Commit Graph

197 Commits

Author SHA1 Message Date
Corinna Vinschen 230a3c86d1 * mmap.cc: Convert usage of dynamically growing cmalloced arrays to
cmalloced linked lists throughout.
	(class mmap_record): Add LIST_ENTRY element.
	(mmap_record::match): New method, taking over match algorithm from
	list::search_record.
	(class mmap_list): Rename from class list.  Add LIST_ENTRY.  Convert
	recs to a LIST_HEAD.  Drop nrecs and maxrecs members.
	(mmap_list::get_record): Drop entirely.
	(mmap_list::free_recs): Drop entirely.
	(mmap_list::del_record): Take mmap_record to delete as parameter.
	(mmap_list::search_record): Convert to mmap_record::match.
	(class mmap_areas): Rename from class map.  Convert lists to LIST_HEAD.
	(mmap_areas::get_list): Drop entirely.
	(mmap_areas::del_list): Take mmap_list to delete as parameter.
	(mprotect): Fix indentation.
2007-11-27 10:09:05 +00:00
Corinna Vinschen 4090f565a8 * mmap.cc (fh_disk_file): Delete as global static variable and...
(mmap64): ...define as local pointer to make mmap thread-safe.
	Accommodate throughout.  Only initialize fh_disk_file after file could
	be opened with GENERIC_EXECUTE access.  Call fstat_by_handle instead of
	fstat to avoid overhead.
2007-09-18 15:59:50 +00:00
Corinna Vinschen 7d2ade3341 * mmap.cc: Call NtClose instead of CloseHandle throughout.
(CreateMapping): Drop unused last argument.  Accommodate throughout.
	(mmap64): Re-open file with execute permissions using NtOpenFile.
2007-08-13 19:44:31 +00:00
Corinna Vinschen cce28460fe * cygheap.h (init_cygheap::luid): Remove.
* mmap.cc (mlock): Accommodate parameter change in call to
	push_thread_privilege.
	(munlock): Ditto.
	* ntdll.h (STATUS_NOT_ALL_ASSIGNED): Define.
	(NtAdjustPrivilegesToken): Declare.
	* sec_helper.cc (cygpriv): Reorder to match numerical privilege order.
	(privilege_luid): Take job of privilege_luid_by_name, using new
	cygpriv.
	(privilege_luid_by_name): Remove.
	(privilege_name): Accommodate new cygpriv array.
	(set_privilege): Call NtAdjustPrivilegesToken to avoid using advapi32.
	Accommodate changes to privilege_name.
	(set_cygwin_privileges): Simplify.  Don't try to set
	SE_CREATE_GLOBAL_PRIVILEGE on systems not supporting it.
	* security.cc (sys_privs): Reorder to match numerical privilege order.
	Use real privilege values as defined in security.h.
	(get_system_priv_list): Drop unused grp_list argument.  Create
	list of privileges according to new wincapc::max_sys_priv value.
	(get_priv_list): Call privilege_luid instead of privilege_luid_by_name.
	Make priv a local value instead of a pointer.
	(create_token): Accommodate parameter change in call to
	push_self_privilege.
	(lsaauth): Ditto.
	(check_access): Use privilege values directly instead of calling
	privilege_luid.
	* security.h: Define real privilege values.
	(cygpriv_idx): Remove.
	(privilege_luid): Change declaration.
	(privilege_luid_by_name): Drop declaration.
	(set_privilege): Change declaration.
	(set_process_privilege): Drop definition.
	(_push_thread_privilege): Accomodate new set_privilege parameters.
	* wincap.h (wincapc::max_sys_priv): New element.
	* wincap.cc: Implement above element throughout.
	(wincap_2000sp4): New wincaps structure.
	(wincap_xpsp1): Ditto.
	(wincap_xpsp2): Ditto.
	(wincapc::init): Use new wincaps.
	(wincapc::max_sys_priv): New element.
2007-07-19 08:33:22 +00:00
Corinna Vinschen 457c7938f0 * fhandler_disk_file.cc (fhandler_disk_file::fchmod): Drop comment.
* mmap.cc (gen_access): Remove.
	(mmap_record::gen_access): Remove.
	(mmap64): Don't mention 9x any longer.
	* syscalls.cc (statvfs): Drop status code consideration for 9x.
	* libc/minires-os-if.c (get_registry_dns_items): Don't mention 9x any
	longer.
	(get_registry_dns): Drop getting registry key on 9x.  Drop is9x
	variable.
2007-02-26 12:22:41 +00:00
Corinna Vinschen 3af640487f * fhandler_console.cc (fhandler_console::read): Drop 9x specific
handling of AltGr key.
	* mmap.cc: Take NT for granted throughout.
	* wincap.cc: Remove map_view_of_file_ex_sucks, altgr_is_ctrl_alt,
	has_working_copy_on_write, share_mmaps_only_by_name,
	virtual_protect_works_on_shared_pages, has_mmap_alignment_bug and
	has_working_virtual_lock throughout.
	* wincap.h: Ditto.
2007-02-22 17:35:14 +00:00
Corinna Vinschen bd8f891e8a Throughout replace all usage of wincap.shared with the constant
FILE_SHARE_VALID_FLAGS.
	* fhandler.cc (fhandler_base::open_9x): Drop local variable shared.
	* wincap.cc: Remove shared member throughout.
	* wincap.h: Ditto.
2007-02-22 11:17:01 +00:00
Corinna Vinschen 570858c30f * Makefile.in (DLL_IMPORTS): Add libntdll.a.
* autoload.cc: Remove all symbols from advapi32.dll, kernel32.dll and
	ntdll.dll available on all platforms since NT4.

	Throughout remove all usage of wincap.is_winnt.
	* dcrt0.cc (dll_crt0_0): Remove call to mmap_init.
	* fhandler.h (class fhandler_base): Remove has_changed flag.
	(fhandler_disk_file::touch_ctime): Remove declaration.
	(fhandler_disk_file::readdir_9x): Ditto.
	(fhandler_disk_file::touch_ctime): Remove.
	(fhandler_disk_file::readdir_9x): Remove.
	(fhandler_disk_file::closedir): Call NtClose instead of CloseHandle.
	* mmap.cc: Throughout call CreateMapping and MapView directly.
	(VirtualProt9x): Remove.
	(VirtualProtNT): Remove.
	(VirtualProtEx9x): Remove.
	(VirtualProtExNT): Remove.
	(VirtualProtect): Remove define.
	(VirtualProtectEx): Remove define.
	(CreateMapping9x): Remove.
	(CreateMappingNT): Rename to CreateMapping.
	(MapView9x): Remove.
	(MapViewNT): Rename to MapView.
	(struct mmap_func_t): Remove definition.
	(mmap_funcs_9x): Remove.
	(mmap_funcs_nt): Remove.
	(mmap_func): Remove.
	(mmap_init): Remove.
	* net.cc (getdomainname): Drop comment. Use NT4 registry key only.
	(get_95_ifconf): Remove.
	* pinfo.cc (winpids::enumNT): Rename to winpids::enum_processes.
	(winpids::enum9x): Remove.
	(winpids::set): Just call enum_processes directly.
	(winpids::enum_init): Ditto.
	* pinfo.h (class winpids): Drop enum_processes pointer.  Rename
	enumNT to enum_processes.  Drop enum9x declaration.  Drop initialization
	of enum_processes throughout.
	* registry.cc (get_registry_hive_path): Just create NT key.
	(load_registry_hive): Only load NT specific file.
	* syscalls.cc (unlink_9x): Remove.
	(unlink): Just call unlink_nt.
	* wincap.cc: Remove is_winnt flag throughout.
	* wincap.h: Ditto.
	* winsup.h: Remove mmap_init declaration.
2007-02-22 10:54:47 +00:00
Christopher Faylor 510a85cbf9 Remove extraneous whitespace.
* pinfo.cc (commune_process): Use default argument to lock_process.
* sigproc.cc: Update copyright.
* select.cc: Ditto.
2007-02-20 00:16:18 +00:00
Corinna Vinschen 59e3b6ca7d * cygmalloc.h (MALLOC_FAILURE_ACTION): Define empty.
* cygwin.din (posix_madvise): Export.
	(posix_memalign): Export.
	* fhandler.cc (fhandler_base::fpathconf): Return useful values in
	_PC_VDISABLE, _PC_SYNC_IO and _PC_SYMLINK_MAX cases.
	* malloc_wrapper.cc (malloc): Set errno here since it's not set in
	dlmalloc.c anymore.
	(realloc): Ditto.
	(calloc): Ditto.
	(memalign): Ditto.
	(valloc): Ditto.
	(posix_memalign): New function.
	* mmap.cc (posix_madvise): New function.
	* sysconf.cc (get_open_max): New function.
	(get_page_size): Ditto.
	(get_nproc_values): Ditto.
	(get_avphys): Ditto.
	(sc_type): New type.
	(sca): New array to map _SC_xxx options to sysconf return values.
	(sysconf): Reimplement using sca array.
	* include/limits.h: Add all missing values as defined by SUSv3.
	* include/pthread.h (PTHREAD_DESTRUCTOR_ITERATIONS): Move definition
	to sys/limits.h.
	(PTHREAD_KEYS_MAX): Ditto.
	* include/semaphore.h (SEM_VALUE_MAX): Ditto.
	* include/cygwin/stdlib.h (posix_memalign): Declare.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/mman.h: Add posix_madvise flags.
	(posix_madvise): Declare.
	* include/sys/termios.h (_POSIX_VDISABLE): Move definition to
	sys/limits.h.
2007-02-07 17:22:40 +00:00
Corinna Vinschen 2397d888b1 * mmap.cc (list::hash): Fix type to __ino64_t.
(list::get_hash): Ditto.
	(list::set): Add struct stat parameter.  Use that instead of calling
	fstat.
	(map::get_list_by_fd): Ditto.
	(map::add_list): Ditto.
	(mmap_is_attached_or_noreserve): Call get_list_by_fd appropriately.
	(mmap_worker): Add pameters for map list and file stat information.
	Propagate to called functions.
	(mmap64): Use fstat on files early.  Replace call to GetFileSize.
	Call get_list_by_fd and mmap_worker appropriately.
2007-01-18 17:15:59 +00:00
Corinna Vinschen 9f3e3df961 * mmap.cc (MapView9x): Note possible uselessness of retrying.
(MapViewNT): Ditto.
	(mmap64): Fix pre-reservation to work for non NULL, non MAP_FIXED.
2007-01-17 10:49:24 +00:00
Corinna Vinschen 3452cdd3c5 * mmap.cc (mmap64): Pre-Reserve space for the whole mapping to get a
useful, valid address before the actual mappings take place.
	Fix typo in comment.
2007-01-10 09:30:38 +00:00
Corinna Vinschen d5b45d2f38 * mmap.cc: Do bookkeeping in 4K pages, rather than in 64K chunks. 2007-01-09 11:18:57 +00:00
Corinna Vinschen c2b10dc4d8 * cygheap.h (struct user_heap_info): Add slop member.
* heap.cc (heap_init): Add slop factor to heap allocation.  Add
	comment.
	* mmap.cc (MapViewNT): Allocate memory maps top down.
	(fhandler_dev_zero::mmap): Ditto.
	* shared.cc (shared_info::heap_slop_size): New method.
	(shared_info::heap_chunk_size): Don't use debug_printf at early stage.
	* shared_info.h (SHARED_INFO_CB): Accomodate change to shared_info.
	(CURR_SHARED_MAGIC): Ditto.
	(class shared_info): Add heap_slop member.  Declare heap_slop_size.
	* wincap.h: Define heapslop throughout.
	* wincap.cc: Ditto.
2006-10-31 18:41:16 +00:00
Corinna Vinschen 70e476d27b 2006-07-25 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/version.h: Bump DLL version to 1.7.0.

2006-07-25  Corinna Vinschen  <corinna@vinschen.de>

	* select.h: Remove.
	* fhandler_socket.cc: Don't include select.h.
	* select.cc: Ditto.

2006-07-25  Corinna Vinschen  <corinna@vinschen.de>

	* cygtls.h: Drop socket related includes.
	(struct _local_storage): Remove exitsock and exitsock_sin. Add
	select_sockevt.
	* cygtls.cc: Accomodate above change throughout.
	* fhandler.h (class fhandler_socket): Make wsock_evt public.
	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Accomodate
	reordering members.
	(fhandler_socket::evaluate_events): Drop FD_CONNECT event as soon as
	it gets read once.  Never remove FD_WRITE event here.
	(fhandler_socket::wait_for_events): Wait 50 ms instead of INFINITE for
	socket events.
	(fhandler_socket::accept): Fix conditional.  Set wsock_events members
	of accepted socket to useful start values.
	(fhandler_socket::recv_internal): Always drop FD_READ/FD_OOB events from
	wsock_events after the call to WSARecvFrom.
	(fhandler_socket::send_internal): Drop FD_WRITE event from wsock_events
	if the call to WSASendTo fails with WSAEWOULDBLOCK.  Fix return value
	condition.
	* select.cc (struct socketinf): Change to accomodate using socket event
	handling.
	(peek_socket): Use event handling for peeking socket.
	(thread_socket): Ditto.
	(start_thread_socket): Ditto.
	(socket_cleanup): Same here.
	* tlsoffsets.h: Regenerate.

2006-07-20  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_socket): Rearrange slightly to keep
	event handling methods and members together.  Drop owner status flag.
	Split wait method.  Rename event handling methods for readability.
	* fhandler_socket.cc (struct wsa_event): Add owner field.
	(LOCK_EVENTS): New macro.
	(UNLOCK_EVENTS): Ditto.
	(fhandler_socket::init_events): rename from prepare.
	(fhandler_socket::evaluate_events): First half of former wait method.
	Do everything but wait.  Allow specifiying whether or not events from
	event_mask should be erased from wsock_events->events.  Simplify
	OOB handling.  Allow sending SIGURG to any process (group).
	(fhandler_socket::wait_for_events): Second half of former wait method.
	Call evaluate_events and wait in a loop if socket is blocking.
	(fhandler_socket::release_events): Rename from release.
	(fhandler_socket::connect): Accomodate above name changes.
	(fhandler_socket::accept): Ditto.
	(fhandler_socket::recv_internal): Ditto.
	(fhandler_socket::send_internal): Ditto.
	(fhandler_socket::close): Ditto.
	(fhandler_socket::fcntl): Always set owner to given input value on
	F_SETOWN.  Handle F_GETOWN.
	* net.cc (fdsock): Accomodate above name changes.

2006-07-20  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::wait): Set Winsock errno to
	WSAEWOULDBLOCK instead of WSAEINPROGRESS.

2006-07-18  Brian Ford  <Brian.Ford@FlightSafety.com>
	    Corinna Vinschen  <corinna@vinschen.de>

	* winsup.h (mmap_region_status): New enum.
	(mmap_is_attached_or_noreserve_page): Adjust prototype and rename
	as below.
	* mmap.cc (mmap_is_attached_or_noreserve_page):  Rename
	mmap_is_attached_or_noreserve.  Add region length parameter.
	Return enum above.
	* exceptions.cc (_cygtls::handle_exceptions): Accomodate above.
	* fhandler.cc (fhandler_base::raw_read): Call above for NOACCESS
	errors and retry on success to allow reads into untouched
	MAP_NORESERVE buffers.

2006-07-18  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din (posix_openpt): Export.
	* tty.cc (posix_openpt): New function.
	* include/cygwin/stdlib.h (posix_openpt): Declare.
	* include/cygwin/version.h: Bump API minor number.

2006-07-14  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (get_token_group_sidlist): Always add the interactive
	group to the token.  Add comment.  Create logon_id group SID by
	copying it from incoming group list.
	(create_token): Add subauth_token parameter.  Use information in
	subauth_token if present.  Tweak SourceIdentifier if subauth_token
	is present for debugging purposes.
	* security.h (create_token): Add subauth_token parameter in declaration.
	* syscalls.cc (seteuid32): Call subauth first.  Call create_token
	regardless.  Use subauth token in call to create_token if subauth
	succeeded.

2006-07-13  Corinna Vinschen  <corinna@vinschen.de>

	* include/netinet/in.h: Update copyright.

2006-07-13  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::wait): Rework function so that
	WaitForMultipleObjects is really only called when necessary.

2006-07-12  Corinna Vinschen  <corinna@vinschen.de>

	* include/netdb.h: Declare rcmd, rcmd_af, rexec, rresvport,
	rresvport_af, iruserok, iruserok_sa, ruserok.

2006-07-12  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (DLL_OFILES): Drop iruserok.o.  Add rcmd.o.
	* autoload.cc (rcmd): Drop definition.
	* cygwin.din: Export bindresvport, bindresvport_sa, iruserok_sa,
	rcmd_af, rresvport_af.
	* net.cc (cygwin_rcmd): Remove.
	(last_used_bindresvport): Rename from last_used_rrecvport.
	(cygwin_bindresvport_sa): New function implementing bindresvport_sa.
	(cygwin_bindresvport): New function implementing bindresvport.
	(cygwin_rresvport): Remove.
	* include/cygwin/version.h: Bump API minor number.
	* include/netinet/in.h: Declare bindresvport and bindresvport_sa.
	* libc/iruserok.c: Remove file.
	* libc/rcmd.cc: New file implementing rcmd, rcmd_af, rresvport,
	rresvport_af, iruserok_sa, iruserok and ruserok.

2006-07-12  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::getsockname): Return valid
	result for unbound sockets.

2006-07-11  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Handle
	wsock_mtx and wsock_evt on fork, thus handling close_on_exec correctly.
	(fhandler_socket::fixup_after_exec): Drop misguided attempt to handle
	close_on_exec here.
	(fhandler_socket::dup): Call fixup_after_fork with NULL parent.
	Add comment.
	(fhandler_socket::set_close_on_exec): Handle wsock_mtx and wsock_evt.

2006-07-10  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_socket): Add wsock_mtx, wsock_evt
	and wsock_events members.  Remove closed status flag, add listener
	status flag.  Accomodate new implementation of socket event handling
	methods.  Declare recv* and send* functions ssize_t as the POSIX
	equivalents.
	(fhandler_socket::recv_internal): Declare.
	(fhandler_socket::send_internal): Ditto.
	* fhandler_socket.cc (EVENT_MASK): Define mask of selected events.
	(fhandler_socket::fhandler_socket): Initialize new members.
	(fhandler_socket::af_local_setblocking): Don't actually set the
	socket to blocking mode.  Keep sane event selection.
	(fhandler_socket::af_local_unsetblocking): Don't actually set the
	socket to previous blocking setting, just remember it.
	(struct wsa_event): New structure to keep event data per shared
	socket.
	(NUM_SOCKS): Define number of shared sockets concurrently handled by
	all active Cygwin processes.
	(wsa_events): New shared datastructure keeping all wsa_event records.
	(socket_serial_number): New shared variable to identify shared sockets.
	(wsa_slot_mtx): Global mutex to serialize wsa_events access.
	(search_wsa_event_slot): New static function to select a new wsa_event
	slot for a new socket.
	(fhandler_socket::prepare): Rewrite.  Prepare event selection
	per new socket.
	(fhandler_socket::wait): Rewrite.  Wait for socket events in thread
	safe and multiple process safe.
	(fhandler_socket::release): Rewrite.  Close per-socket descriptor
	mutex handle and event handle.
	(fhandler_socket::dup): Duplicate wsock_mtx and wsock_evt.  Fix
	copy-paste error in debug output.
	(fhandler_socket::connect): Accomodate new event handling.
	(fhandler_socket::listen): Set listener flag on successful listen.
	(fhandler_socket::accept): Accomodate new event handling.
	(fhandler_socket::recv_internal): New inline method centralizing
	common recv code.
	(fhandler_socket::recvfrom): Call recv_internal now.
	(fhandler_socket::recvmsg): Ditto.  Streamline copying from iovec
	to WSABUF.
	(fhandler_socket::send_internal): New inline method centralizing
	common send code.
	(fhandler_socket::sendto): Call send_internal now.
	(fhandler_socket::sendmsg): Ditto.  Streamline copying from iovec
	to WSABUF.
	(fhandler_socket::close): Call release now.
	(fhandler_socket::ioctl): Never actually switch to blocking mode.
	Just keep track of the setting.
	* net.cc (fdsock): Call prepare now.
	(cygwin_connect): Revert again to event driven technique.
	(cygwin_accept): Ditto.
	* poll.cc (poll): Don't call recvfrom on a listening socket.
	Remove special case for failing recvfrom.
	* include/sys/socket.h: Declare recv* and send* functions ssize_t as
	requested by POSIX.

2006-07-07  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (cygwin_inet_ntop): Fix data type of forth parameter.

2006-07-06  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/in6.h (struct in6_addr): Fix typo.

2006-07-06  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din: Export in6addr_any, in6addr_loopback, freeaddrinfo,
	gai_strerror, getaddrinfo, getnameinfo.
	* fhandler_socket.cc: Include cygwin/in6.h.
	(get_inet_addr): Accomodate AF_INET6 usage.
	(fhandler_socket::connect): Ditto.
	(fhandler_socket::listen): Ditto.
	(fhandler_socket::sendto): Ditto.
	* net.cc: Include cygwin/in6.h.
	(in6addr_any): Define.
	(in6addr_loopback): Define.
	(cygwin_socket): Accomodate AF_INET6 usage.
	(socketpair): Bind socketpairs only to loopback for security.
	(inet_pton4): New static function.
	(inet_pton6): Ditto.
	(cygwin_inet_pton): New AF_INET6 aware inet_pton implementation.
	(inet_ntop4): New static function.
	(inet_ntop6): Ditto.
	(cygwin_inet_ntop): New AF_INET6 aware inet_ntop implementation.
	(ga_aistruct): New static function.
	(ga_clone): Ditto.
	(ga_echeck): Ditto.
	(ga_nsearch): Ditto.
	(ga_port): Ditto.
	(ga_serv): Ditto.
	(ga_unix): Ditto.
	(gn_ipv46): Ditto.
	(ipv4_freeaddrinfo): Ditto.
	(ipv4_getaddrinfo): Ditto.
	(ipv4_getnameinfo): Ditto.
	(gai_errmap_t): New structure holding error code - error string mapping.
	(cygwin_gai_strerror): New function implementing gai_strerror.
	(w32_to_gai_err): New static function.
	(get_ipv6_funcs): Ditto.
	(load_ipv6_funcs): Ditto.
	(cygwin_freeaddrinfo): New function implementing freeaddrinfo.
	(cygwin_getaddrinfo): New function implementing getaddrinfo.
	(cygwin_getnameinfo): New function implementing getnameinfo.
	* include/netdb.h: Include stdint.h and cygwin/socket.h.  Define
	data types and macros used by getaddrinfo and friends.  Declare
	freeaddrinfo, gai_strerror, getaddrinfo and getnameinfo.
	* include/cygwin/in.h: Add IPv6 related IPPROTOs. Remove definition
	of struct sockaddr_in6.  Include cygwin/in6.h instead.
	* include/cygwin/in6.h: New header file defining IPv6 releated
	data types and macros.
	* include/cygwin/socket.h: Enable AF_INET6 and PF_INET6.  Add
	IPv6 related socket options.
	* include/cygwin/version.h: Bump API minor number.

2006-07-06  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (DsGetDcNameA): Define.
	(NetGetAnyDCName): Define.
	* security.cc: Include dsgetdc.h.
	(DsGetDcNameA): Declare.
	(DS_FORCE_REDISCOVERY): Define.
	(get_logon_server): Add bool parameter to control rediscovery of DC.
	Use DsGetDcNameA function if supported, NetGetDCName/NetGetAnyDCName
	otherwise.
	(get_server_groups): Rediscover DC if get_user_groups fails and
	try again.
	(get_reg_security): Use correct error code macro when testing
	RegGetKeySecurity return value.
	* security.h (get_logon_server): Remove default vaue from wserver
	parameter.  Add rediscovery parameter.
	* uinfo.cc (cygheap_user::env_logsrv): Accomodate rediscovery parameter
	in call to get_logon_server.
2006-07-25 19:23:23 +00:00
Corinna Vinschen add2f65f37 * mmap.cc (msync): Disable rounding up len. Fix bug in access check
loop.
2006-07-19 08:58:09 +00:00
Christopher Faylor f62412f235 GCC 4.1 fixes.
* cygheap.h (cygheap_user): Remove unneeded class names from function
declaration.
* fhandler.h (fhandler_base): Ditto.
(fhandler_dev_floppy): Ditto.
(fhandler_console): Ditto.
* wininfo.h (wininfo): Ditto.
* exceptions.cc (sigpacket::process): Avoid compiler errors about gotos and
initialization.
* fhandler_fifo.cc (fhandler_fifo::open): Ditto.
* fhandler_floppy.cc (fhandler_dev_floppy::ioctl): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::ioctl): Ditto.
* mmap.cc (mmap64): Ditto.
* pipe.cc (fhandler_pipe::open): Ditto.
* spawn.cc (spawn_guts): Ditto.
* sec_helper.cc: Fix some comments.
(get_null_sd): Move file-scope static to only function where it is used.
2006-07-17 19:30:30 +00:00
Corinna Vinschen 2e19497afc * mmap.cc (mmap64): Drop MAP_NORESERVE flag for non-anonymous,
non-private mappings.
	(mmap_record::unmap_pages): Only check noreserve flag which now implies
	anonymous and private.
	(mprotect): Ditto.
	(fixup_mmaps_after_fork): Ditto.
2006-07-13 10:29:21 +00:00
Corinna Vinschen f6105f89d5 * exceptions.cc (_cygtls::handle_exceptions): Call new
mmap_is_attached_or_noreserve_page function in case of access violation
	and allow application to retry access on noreserve pages.
	* mmap.cc (mmap_is_attached_or_noreserve_page): Changed from
	mmap_is_attached_page.  Handle also noreserve pages now.  Change
	comment accordingly.
	* winsup.h (mmap_is_attached_or_noreserve_page): Declare instead of
	mmap_is_attached_page.
2006-07-13 08:33:34 +00:00
Corinna Vinschen d44b979536 * mmap.cc (mmap_record::alloc_page_map): Don't call VirtualProtect
on maps created with MAP_NORESERVE.
2006-07-12 20:15:00 +00:00
Christopher Faylor 34f5d0879c white space 2006-05-28 15:50:14 +00:00
Corinna Vinschen 0ae86d187c * Update copyrights. 2006-01-12 15:53:51 +00:00
Corinna Vinschen b773a592d3 * dcrt0.cc (dll_crt0_0): Remove call to wincap.init.
* init.cc (dll_entry): Rename is_wow64_proc to wow64_test_stack_marker.
	Call wincap.init here before doing anything else.  Use wincap.is_wow64
	to determine if we're running in a WOW64 emulator.
	* mmap.cc (MapViewNT): Don't use AT_ROUND_TO_PAGE in WOW64, it's
	apparently not supported.
	(mmap64): Don't create mappings beyond EOF, which would need to use
	AT_ROUND_TO_PAGE, on WOW64.
	* wincap.cc (wincap): Throw into the .cygwin_dll_common section.
	(wincapc::init): Determine if running in WOW64 and set wow_64 flag.
	* wincap.h (class wincapc): Add wow64 member.
	(wincapc::is_wow64): New method.
2006-01-10 18:11:32 +00:00
Christopher Faylor de935f6d9f whitespace cleanup to force snapshot. 2005-12-22 05:57:54 +00:00
Corinna Vinschen edd79f2da4 * mmap.cc (fhandler_dev_zero::mmap): Call VirtualFree(MEM_RELEASE)
with zero length parameter, otherwise it fails.
	(fhandler_dev_zero::munmap): Ditto.
2005-12-19 15:25:23 +00:00
Corinna Vinschen 8b1ba065a6 * mmap.cc (fhandler_dev_zero::fixup_mmap_after_fork): Use
system_printf like any other fixup_mmap_after_fork.
2005-12-15 09:04:28 +00:00
Corinna Vinschen 2193d02b4d * mmap.cc (gen_create_protect): Always generate WRITECOPY protection
for private maps.
	(fixup_mmaps_after_fork): Fix calculation of WRITECOPY protection for
	VirtualProtect.  Add some words to the comment.
2005-12-12 10:00:32 +00:00
Corinna Vinschen 5a101414ed * exceptions.cc (_cygtls::handle_exceptions): In case of a
STATUS_ACCESS_VIOLATION, check if the page is a mmaped page beyond
	a file's EOF.  Generate SIGBUS instead of SIGSEGV then.
	* mmap.cc (__PROT_ATTACH): New define.
	(__PROT_FILLER): Ditto.
	(fh_anonymous): Rename from fh_paging_file;
	(fh_disk_file): New global static variable.
	(attached): New inline function.
	(filler): Ditto.
	(gen_create_protect): Split off from gen_protect to use the file's
	access mode to create mapping always with maximum allowed protections.
	(gen_protect): Accomodate pages attached beyond EOF.  Use symbolic
	values instead of numerics when possible.  Drop create parameter.
	(gen_access): Use file's access mode instead of protection.
	(CreateMapping9x): Create named mapping names so that different
	creation access modes result in different mappings.
	(CreateMappingNT): Only reserve attached pages, don't commit them.
	(MapViewNT): Ditto.  Set AT_ROUND_TO_PAGE for all non-NULL base
	addresses.
	(mmap_func_t): Define CreateMapping and MapView function pointers
	with additional openflags parameter.
	(class mmap_record): Add openflags member.
	(mmap_record::mmap_record): Add openflags parameter.
	(mmap_record::get_openflags): New accessor.
	(mmap_record::attached): Call global attached function.
	(mmap_record::filler): Call global filler function.
	(mmap_record::gen_create_protect): Call global gen_create_protect
	function.
	(mmap_record::gen_protect): Drop create parameter.
	(mmap_record::alloc_fh): Set fhandler's access flags.
	(list::search_record): Accomodate filler pages.
	(list::set): Use inode number as hash value.
	(map::get_list_by_fd): Check hash value against file's inode number.
	(mmap_is_attached_page): New function to evaluate if a given address
	is on a attached page.  Called from _cygtls::handle_exceptions.
	(mmap_worker): New function to do mapping and bookkeeping in a
	single call.
	(mmap64): Use roundup2 to round length to pagesize alignment.
	Initialize global fhandlers.  Simplify anonymous initialization.
	Add SUSv3 compatible check of file open mode vs. requested protection.
	Try creating new file handles to allow maximum page protection.
	Allow creating attached pages in case of mapping beyond EOF.
	Close new file handle if one has been created.
	(munmap): Align len to pagesize.
	(msync): Rework argument checks. Align len to pagesize.
	(mprotect): Ditto.  Accomodate attached pages.
	(mlock): Use roundup/rounddown macros instead of homemade expressions.
	(munlock): Add page alignment as in mlock.
	(fhandler_dev_zero::munmap): Fix unmapping of non-private mappings.
	(fhandler_dev_zero::fixup_mmap_after_fork): Accomodate filler pages.
	(fixup_mmaps_after_fork): Don't fail if attached pages couldn't be
	created in child.  Avoid superfluous call to VirtualFree.  Check for
	original allocation protection to fix PAGE_WRITECOPY protection.
	* ntdll.h: Revert deletion of AT_ROUND_TO_PAGE define.
	* winsup.h (mmap_is_attached_page): Declare.
2005-12-07 11:16:47 +00:00
Christopher Faylor 09b0109620 Remove unneeded whitespace.
* cygtls.cc (_cygtls::set_state): Delete.
(_cygtls::reset_exception): Ditto.
(_cygtls::init_thread): Set initialized state directly here.
(_cygtls::push): Remove exception argument.  Don't treat exceptions specially.
* cygtls.h (_cygtls::push): Ditto.
(_cygtls::isinitialized): Don't treat exceptions specially.
(_cygtls::reset_exception): Delete.
(_cygtls::set_state): Ditto.
(_cygtls::handle_exceptions): Don't push ebp on the stack prior to calling
sig_send.  Just set incyg instead.
(_cygtls::interrupt_setup): Accommodate _cygtls::push argument change.
(_cygtls::interrupt_now): Ditto.
(setup_handler): Don't treat exceptions specially.
* gendef (longjmp): Always zero incyg flag.
2005-12-05 20:20:18 +00:00
Corinna Vinschen b534221080 * mmap.cc: Make debug output more consistently. Fix some comments.
(gen_protect): Convert to inline function.
	(gen_access): Ditto.
	(mmap_record::gen_protect): Add create parameter as in global function.
	(mmap_record::alloc_page_map): Change condition so that always the
	correct protection setting is set after mapping has been established.
	(mmap64): For anonymous mappings set offset always to 0.
	(fixup_mmaps_after_fork): Always call fixup_mmap_after_fork method
	with the MAP_FIXED flag set.
2005-12-01 20:35:13 +00:00
Corinna Vinschen b0c3293ecc * mmap.cc (list::try_map): New method, implementing trying to map
within another already existing map, moved from mmap64 here.
	(mmap64): Just call try_map now.
	(fhandler_dev_zero::fixup_mmap_after_fork): Always create new private
	map with PAGE_READWRITE protection.
	(fixup_mmaps_after_fork): Fix comment.
2005-11-30 15:05:48 +00:00
Corinna Vinschen a020c74a8d * fhandler.h (fhandler_dev_zero::mmap): Add method.
(fhandler_dev_zero::munmap): Ditto.
	(fhandler_dev_zero::msync): Ditto.
	(fhandler_dev_zero::fixup_mmap_after_fork): Ditto.
	* mmap.cc: Implement anonymous mapping using fhandler_dev_zero class.
	Implement private anonymous maps using VirtualAlloc/VirtualFree.  Fix
	or add some more comments.
	(fh_paging_file): Change to type fhandler_dev_zero.
	(priv): New static inline function to avoid having lots of flag bit
	tests in the code.  Use throughout were appropriate.
	(fixed): Ditto.
	(anonymous): Ditto.
	(noreserve): Ditto.
	(autogrow): Ditto.
	(gen_protect): Never generate PAGE_WRITECOPY protection for
	private anonymous maps.
	(gen_access): Drop FILE_MAP_EXECUTE handling since it's not supported
	correctly on 9x.
	(VirtualProt9x): Move comment from mmap64 here.
	(mmap_record::mmap_record): Gegerate correct device entry for
	anonymous maps, though unused right now.
	(mmap_record::priv): Call global priv function.
	(mmap_record::fixed): Call global fixed function.
	(mmap_record::anonymous): Call global anonymous function.
	(mmap_record::noreserve): Call global noreserve function.
	(mmap_record::autogrow): Call global autogrow function.
	(list::anonymous): New method.  Use throughout were appropriate.
	(mmap_record::compatible_flags): Drop now useless ifdef.
	(mmap_record::alloc_page_map): Accomodate private anonymous maps.
	(mmap_record::map_pages): Accomodate MAP_NORESERVE mappings.
	(mmap_record::unmap_pages): Accomodate private anonymous maps.
	(mmap64): Simplify argument check.  Don't remove the MAP_PRIVATE flag
	for anonymous mappings on 9x anymore since that's now handled
	gracefully.
	(mprotect): Accomodate MAP_NORESERVE mappings.  Fix case when
	non-mmap areas are just MEM_RESERVEd.
	(fhandler_dev_zero::mmap): Implement anonymous mapping here.
	(fhandler_dev_zero::munmap): Ditto.
	(fhandler_dev_zero::msyn): Ditto.
	(fhandler_dev_zero::fixup_mmap_after_fork): Ditto.
	(fixup_mmaps_after_fork): Accomodate private anonymous maps.  Enhance
	debug output in case VirtualProtect fails.
	* include/sys/mman.h: Really define MAP_NORESERVE now.
2005-11-29 16:28:05 +00:00
Corinna Vinschen f90e23f271 * autoload.cc (NtCreateSection): Define.
* cygheap.cc (_csbrk): Call getpagesize instead of getshmlba.
	* dcrt0.cc (dll_crt0_0): Call mmap_init.
	* external.cc (cygwin_internal): Call getpagesize instead of getshmlba.
	* fhandler.h (fhandler_base::mmap): Change access to prot parameter.
	(fhandler_base::fixup_mmap_after_fork): Ditto.
	(fhandler_disk_file::mmap): Ditto.
	(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
	(fhandler_dev_mem::mmap): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::write): Call getsystempagesize
	instead of getpagesize.
	(fhandler_dev_mem::read): Ditto.
	(fhandler_dev_mem::fstat): Ditto.
	(fhandler_dev_mem::mmap): Move to mmap.cc.
	(fhandler_dev_mem::munmap): Ditto.
	(fhandler_dev_mem::msync): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
	* fhandler_proc.cc (format_proc_meminfo): Call getsystempagesize
	instead of getpagesize.
	* fhandler_process.cc (format_process_stat): Ditto.
	(format_process_status): Ditto.
	(get_mem_values): Ditto.
	* mmap.cc: Fix formatting.  Try to make more readable and modular.
	Take advantage of pagesize==granularity.
	(gen_protect): New static function to evaluate Windows
	protection bits from POSIX protection and flags.
	(gen_access): Ditto for Windows access mode.
	(VirtualProt9x): Wrapper function to call VirtualProtect on 9x.
	(VirtualProtNT): Ditto for NT.
	(VirtualProtEx9x): Ditto for VirtualProtectEx on 9x.
	(VirtualProtExNT): Ditto for NT.
	(CreateMapping9x): Wrapper function for creating a mapping handle on 9x.
	(CreateMappingNT): Ditto for NT.
	(MapView9x): Wrapper function to map a view on 9x.
	(MapViewNT): Ditto for NT.
	(mmap_funcs_9x): Structure containing function pointers to wrapper
	functions for 9x.
	(mmap_funcs_nt): Ditto for NT.
	(mmap_func): Pointer to wrapper functions used in subsequent code.
	(mmap_init): Initialize mmap_func depending on OS.
	(class mmap_record): Use sensible member names.  Add POSIX protection
	member. Drop Windows access flags member.  Constify more methods.
	Use accessors instead of direct member access inside of own methods.
	(mmap_record::gen_protect): Class wrapper to evaluate matching
	Windows protection bits.
	(mmap_record::gen_access): Ditto for Windows access flags.
	(mmap_record::compatible_flags): New function to check if flags are
	compatible with flags of existing map.
	(list::add_record): Drop offset and length arguments.
	(class map): Change counters to unsigned.  Match usage throughout.
	(mmapped_areas): Convert from pointer to global struct.
	(mmap_record::alloc_page_map): Simplify.
	(mmap_record::map_pages): Ditto.
	(mmap_record::fixup_page_map): Delete.
	(mmap64): Simplify.  Add workaround for Windows 98 bug.  Fix bug on
	NT that existing anonymous mappings weren't searched for a match.
	(munmap): Add workaround for Windows 98 bug.
	(msync): Simplify.
	(mprotect): Handle existing maps correctly.
	(mlock): Add local pagesize variable and enlightening comment.
	(fhandler_disk_file::mmap): Main functionality now in CreateMapping/
	MapView wrapper functions.
	(fhandler_disk_file::fixup_mmap_after_fork): Call MapView wrapper.
	(fhandler_dev_mem::mmap): Moved from fhandler_mem.cc.  Simplify by
	calling MapViewNT.
	(fhandler_dev_mem::munmap): Moved from fhandler_mem.cc.
	(fhandler_dev_mem::msync): Ditto.
	(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.  Call MapViewNT.
	(fixup_mmaps_after_fork): Restructure and hopefully speed up loop for
	setting protection and memory content on MAP_PRIVATE maps.
	* ntdll.h (AT_ROUND_TO_PAGE): Remove define.
	(AT_EXTENDABLE_FILE): Add define.
	(NtCreateSection): Add prototype.
	* syscalls.cc (getpagesize): Return granularity as pagesize now.
	(getsystempagesize): New function to retrieve "real" pagesize.
	(getshmlba): Delete since it's replaced by getpagesize now.
	* wincap.h (wincaps::has_mmap_alignment_bug): New element.
	* wincap.cc: Implement above element throughout.
	* winsup.h (getshmlba): Drop prototype.
	(getsystempagesize): Add prototype.
	(mmap_init): Ditto.
	* include/sys/mman.h: (Not yet) define MAP_NORESERVE.
2005-11-28 22:32:29 +00:00
Corinna Vinschen 1f5c3042d5 * autoload.cc (NtLockVirtualMemory): Import.
(NtUnlockVirtualMemory): Import.
	(GetProcessWorkingSetSize): Import.
	(SetProcessWorkingSetSize): Import.
	* cygwin.din (mlock): Export.
	(munlock): Export.
	* mmap.cc (mlock): New function.
	(munlock): Ditto.
	* ntdll.h (STATUS_WORKING_SET_QUOTA): Define.
	(LOCK_VM_IN_WSL): Define.
	(LOCK_VM_IN_RAM): Define.
	(NtLockVirtualMemory): Declare.
	(NtUnlockVirtualMemory): Declare.
	* sysconf.cc (sysconf): Implement _SC_MEMLOCK_RANGE.
	* wincap.h: Implement has_working_virtual_lock throughout.
	* wincap.cc: Ditto.
	* include/cygwin/version.h: Bump API minor version.
	* include/sys/mman.h (mlock): Declare,
	(munlock): Declare.
2005-10-18 18:51:33 +00:00
Christopher Faylor 0c55f6ed60 Eliminate (void) cast on standalone function calls throughout. 2005-07-06 20:05:03 +00:00
Christopher Faylor 2f9ae2ed94 Change foo (void) to foo () for all c++ functions throughout. Remove all
fhandler_*::dump functions throughout.
* fhandler.h (fhandler_dev_mem::close): Remove pass-through function in favor
of virtual method.
(handler_dev_raw::close): Ditto.
(fhandler_dev_clipboard::fixup_after_exec): New method.
* fhandler_dev_mem.cc (fhandler_dev_mem::close): Eliminate pass through
* fhandler_dev_raw.cc (fhandler_dev_raw::close): Ditto.
* fhandler_clipboard.cc (fhandler_dev_clipboard::close): Don't go to extra
effort when execing.
(fhandler_dev_clipboard::fixup_after_exec): New function.
* fhandler_console.cc (fhandler_console::close): Don't do "extra stuff" when we
know we're execing.
* fhandler_disk_file.cc (fhandler_disk_file::close): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::close): Ditto.
* fhandler_fifo.cc (fhandler_fifo.cc::close): Ditto.  function in favor of base
function.
* fhandler_random.cc (fhandler_dev_random::close): Ditto.
* fhandler_registry.cc (fhandler_registry::close): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::close): Ditto.
* fhandler_virtual.cc (fhandler_virtual::close): Ditto.
* pinfo.cc (proc_waiter): Remove unneeded hExeced declaration.
* sigproc.cc: Ditto.
* winsup.h (hExeced): Define here.
* fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Just call close()
to reinitialize things to known state.
2005-07-05 03:16:46 +00:00
Corinna Vinschen 989ea1c99e * mmap.cc (mmap64): Make granularity an automatic variable. 2005-05-19 08:43:17 +00:00
Corinna Vinschen 692fccabfb * mmap.cc (mmap64): Avoid compiler warning.
* ntea.cc (NTReadEA): Ditto.
	* hires.h (hires_base): Remove useless usecs function.
2005-05-18 17:23:17 +00:00
Christopher Faylor 05726ddd86 white space and minor comment cleanup. 2005-05-02 03:50:11 +00:00
Corinna Vinschen 7460bfd32b * cygerrno.h (__seterrno_from_nt_status): Define. Always set Win32
error code as well as errno. Use throughout where errno is set from
	NT status.
	(set_errno): Evaluate val only once.
	* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Fix typo in
	debug output.
	* fhandler_mem.cc (fhandler_dev_mem::open): Rely on
	__seterrno_from_nt_status setting Win32 error code in debug output.
	* fhandler_proc.cc (format_proc_uptime): Ditto.
	(format_proc_stat): Ditto.
	* fhandler_process.cc (format_process_stat): Ditto.
	* sysconf.cc (sysconf): Ditto.
2005-04-13 16:41:33 +00:00
Corinna Vinschen d2428633a6 * mmap.cc (mmap64): Handle MAP_AUTOGROW flag.
(fhandler_disk_file::mmap): Ditto. Clean conditional for readability.
	* include/sys/mman.h: Add MAP_AUTOGROW flag.
	* include/cygwin/version.h: Bump API minor version.
2005-03-08 09:18:47 +00:00
Corinna Vinschen 4717214c20 * fhandler_clipboard.cc (fhandler_dev_clipboard::write): Never set
errno to 0.
	(fhandler_dev_clipboard::read): Ditto.
	* fhandler_windows.cc (fhandler_windows::read): Ditto.
	* scandir.cc (scandir): Ditto.
	* syscalls.cc (_fstat64_r): Ditto.
	(_fstat_r): Ditto.
	(_stat64_r): Ditto.
	(_stat_r): Ditto.

	* mmap.cc (mmap64): Fix /dev/zero mapping.
2005-03-01 11:51:29 +00:00
Corinna Vinschen 6d11044c63 * fhandler.h (class fhandler_base): Declare fixup_mmap_after_fork
with additional flags parameter.  Change offset parameter to _off64_t.
	(class fhandler_disk_file): Ditto.
	(class fhandler_dev_mem): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork):
	Accomodate new parameters.
	* mmap.cc: Include ntdll.h.
	(class mmap_record): Add flags member.
	(mmap_record::mmap_record): Add flags parameter.
	(mmap_record::get_flags): New method.
	(class map): Add next_anon_addr member to store next anonymous mapping
	address suggestion.
	(map::get_next_anon_addr): New method.
	(map::set_next_anon_addr): New method.
	(mmap64): Don't align offset and length to granularity in case of
	MAP_ANONYMOUS on NT.  Check for already existing mapping only on 9x.
	Call mmap_record::mmap_record with additional flags argument.
	(fhandler_base::fixup_mmap_after_fork): Accomodate new parameters.
	(fhandler_disk_file::mmap): Use NtMapViewOfSection with
	AT_ROUND_TO_PAGE flag for anonymous mappings on NT.  If addr is NULL,
	try to map adjacent to previous mapping.
	(fhandler_disk_file::fixup_mmap_after_fork): Add flags argument.
	Change offset parameter to _off64_t.  Use NtMapViewOfSection to
	re-create anonymous mappings on NT.
	(fixup_mmaps_after_fork): Accomodate new parameters when calling
	fhandler's fixup_mmaps_after_fork function.
	* ntdll.h (AT_ROUND_TO_PAGE): New define.
2005-02-25 21:23:15 +00:00
Corinna Vinschen a3079b47fe * mmap.cc (mmap64): Handle MAP_FIXED request on non-granulation
boundary.
2005-02-25 11:47:17 +00:00
Corinna Vinschen c68de3a262 * mmap.cc (class mmap_record): Declare new map_pages method with
address parameter.
	(mmap_record::map_pages): New method with address parameter.
	(mmap64): Evaluate access mode before checking if already existing
	mapping can be used.
	Only use existing mapping if requested access mode matches the one
	in the existing mapping.
	Add check for existing mapping for MAP_FIXED case.
2005-02-25 11:15:22 +00:00
Christopher Faylor 731028b326 copyright 2005-02-20 04:25:33 +00:00
Christopher Faylor 169c465a83 Reorganize header file inclusion throughout so that cygerrno.h comes first.
* fhandler.h (select_record::thread_errno): Save any encountered errno here.
(select_record::set_select_errno): New function.
(select_record::saw_error): New function.
(select_record::select_record): Initialize thread_errno to zero.
* select.cc (set_handle_or_return_if_not_open): Set thread_errno on failure.
(select_stuff::wait): Record errno for later resurrection in calling thread.
(peek_serial): Ditto.
2005-01-12 22:40:46 +00:00
Christopher Faylor d584454c82 * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess is
starting.
* child_info.h (init_child_info): Remove pid argument from declaration.
* cygheap.h (init_cygheap::pid): New element.
* dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter
in child_info struct.  Set forkee to 'true' rather than cygpid since the pid
value was never used.
(dll_crt0_1): Ditto.
(_dll_crt0): Ditto.
* fork.cc (fork_child): Don't wait for sigthread.  This is handled in the fork
call now.
(fork_parent): Remove obsolete pid argument from init_child_info call.  Don't
do anything special with cygpid when DEBUGGING.
(fork): Delay all signals during fork.
(fork_init): Don't do anything special when DEBUGGING.
* pinfo.cc (set_myself): Remove pid parameter.  Use new pid field in cygheap.
(pinfo_init): Don't pass pid argument to set_myself.
* sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as
sendsig.
(init_child_info): Eliminate handling of pid.
(wait_sig): Implement method to temporarily hold off sending signals.
* sigproc.h (__SIGHOLD): New enum.
(__SIGNOHOLD): Ditto.
* spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info
call.
2004-09-12 03:47:57 +00:00
Christopher Faylor 0cd9f74fa5 Regularize most strace_prints throughout so that %E is always preceded by a
comma and elminate most uses of "foo = %s" to "foo %s".
2004-09-03 01:53:12 +00:00
Corinna Vinschen e348b39a71 * mmap.cc (mmap_record::alloc_page_map): Mark pages as allocated even
on Windows 9x, FWIW.
2004-07-16 14:32:03 +00:00
Corinna Vinschen 0c0ad23a2c * mmap.cc (mprotect): When MAP_WRITE protection is requested, use
READWRITE or WRITECOPY protection, whatever has been used when the
	page has been allocated initially.
2004-07-15 17:00:44 +00:00
Corinna Vinschen 5ba42c7f4c * mmap.cc (class mmap_record): Fix return type of get_offset.
(mmap_record::fixup_page_map): Fix off by one error.
	(list::search_record): Use long as type of "start" argument in both,
	declaration and definition.  Use long as type for local variable "i".
2004-07-15 09:21:16 +00:00
Corinna Vinschen 4e23c18123 * miscfuncs.cc (check_invalid_virtual_addr): Assure the last page
in the range is always tested.  Add appropriate const.
	* mmap.cc (mmap_record::aloc_fh): Remove unused static path_conf object.
2004-02-26 11:32:20 +00:00
Corinna Vinschen f9e19c0931 * miscfuncs.cc (check_invalid_virtual_addr): New function.
* winsup.h (check_invalid_virtual_addr): Declare.
	* mmap.cc (munmap): Call check_invalid_virtual_addr instead of
	IsBadReadPtr.
2004-02-25 10:54:31 +00:00
Christopher Faylor cec4879206 * debug.h (console_printf): Define for non-debugging condition.
* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument.
(setup_handler): Ditto.  Always lock sig stack prior to determining interrupt
method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
2004-02-09 04:04:24 +00:00
Christopher Faylor 2e008fb91f Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,
throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device.  Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially.  Use
saved cygheap value if it exists.  Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
2003-12-07 22:37:12 +00:00
Corinna Vinschen 145b4dc249 Substitute 0x7fffffff and 0xffffffff by INT32_MAX and UINT32_MAX
throughout, except in assembler code.
2003-12-03 16:35:52 +00:00
Christopher Faylor 9a4d574b8d Eliminate use of sigframe and sigthread throughout.
* Makefile.in (DLL_OFILES): Add sigfe.o.  Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that.  Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup.  Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file.  Generates def file and sigfe.s file.
* gentls_offsets: New file.  Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls.  Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file.  Autogenerated.
* config/i386/longjmp.c: Remove.  File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
2003-11-28 20:55:59 +00:00
Robert Collins 95d02d5b9b 2003-11-11 Robert Collins <rbtcollins@hotmail.com>
Ron Parker <rdparker@butlermfg.com>

	* bsdlib.cc: Update throughout to use CYG_MAX_PATH rather than MAX_PATH.
	* cygheap.h: Ditto.
	* dcrt0.cc: Ditto.
	* delqueue.cc: Ditto.
	* dlfcn.cc: Ditto.
	* dll_init.cc: Ditto.
	* dll_init.h: Ditto.
	* dtable.cc: Ditto.
	* environ.cc: Ditto.
	* environ.h: Ditto.
	* exceptions.cc: Ditto.
	* external.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_proc.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* fhandler_raw.cc: Ditto.
	* fhandler_registry.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	* miscfuncs.cc: Ditto.
	* mmap.cc: Ditto.
	* netdb.cc: Ditto.
	* path.cc: Ditto.
	* path.h: Ditto.
	* pinfo.cc: Ditto.
	* pinfo.h: Ditto.
	* pthread.cc: Ditto.
	* registry.cc: Ditto.
	* shared.cc: Ditto.
	* shared_info.h: Ditto.
	* smallprint.c: Ditto.
	* spawn.cc: Ditto.
	* strace.cc: Ditto.
	* syscalls.cc: Ditto.
	* thread.h: Ditto.
	* uinfo.cc: Ditto.
	* winsup.h: Ditto.
	* include/limits.h: Ditto.
	* include/cygwin/config.h: Ditto.
	* include/sys/param.h: Ditto.
2003-11-14 23:40:06 +00:00
Corinna Vinschen 6ef3b76be2 * syscalls.cc (getshmlba): New function.
* external.cc (cygwin_internal): Add CW_GET_SHMLBA handling.
	* mmap.cc (mmap64): Call getshmlba to evaluate granularity.
	* winsup.h (getshmlba): Add declaration.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_SHMLBA.
2003-11-06 14:33:16 +00:00
Corinna Vinschen 186a0e42de * mmap.cc (munmap): Use correct address and length parameters when
calling fhandler's munmap.
2003-09-26 08:50:12 +00:00
Christopher Faylor 7ac6173643 * devices.cc: New file.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file.  Reorganize headers so that path.h precedes
fhandler.h throughout.  Remove device argument and unit arguments from fhandler
constructors throughout.  Remove pc arguments to fhandler functions and use
internal pc element instead, throughout.  Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class.  Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices.  Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name.  Move
out of dtable class.  Don't accept a path_conv argument.  Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler.  Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler.  Move out of dtable class.
Simplify arguments to just take new 'device' type and a name.  Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element.  Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access.  Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe.  Change arguments to accept
fhandler_pipe array.  Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately.  Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument.  Call build_fh_name to construct
fhandler.  Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access.  Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff.  Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff.  Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here.  Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
2003-09-25 00:37:18 +00:00
Corinna Vinschen 807dfb3d4a * mmap.cc (mmap64): Change address types from caddr_t to void *
according to SUSv3.
	(mmap): Ditto.
	(munmap): Ditto.
	(msync): Ditto.
	(mprotect): Ditto.  Move to before the fhandler methods.
	* include/sys/mman.h: Change prototypes accordingly.
2003-09-09 09:41:18 +00:00
Corinna Vinschen 4544f7f6a2 * mmap.cc: Restructure. Add, remove and rewrite comments throughout
for better readability.  Change function names for better
	understanding.
	(MAP_SET): Accomodate name change from map_map_ to page_map_.
	(MAP_CLR): Ditto.
	(MAP_ISSET): Ditto.
	(mmap_record::page_map_): Rename from page_map_.
	(mmap_record::get_map): Remove.
	(mmap_record::alloc_page_map): Rename from alloc_map. Return bool
	indicating success of cygheap memory allocation.
	(mmap_record::free_page_map): Rename from free_map.
	(mmap_record::fixup_page_map): Rename from fixup_map.
	(mmap_record::find_unused_pages): Rename from find_empty.
	(mmap_record::map_pages): Rename from map_map.
	(mmap_record::unmap_pages): Rename from unmap_map.
	(class list): Make all class members private.
	(list::list): Remove.
	(list::~list): Remove.
	(list::get_fd): New attribute reader.
	(list::get_hash): Ditto.
	(list::get_record): Ditto.
	(list::add_record): Manage all allocation for mmap_records.  Check
	for failed memory allocation and return NULL if so.
	(list::set): New function.
	(list::del_record): Rename from erase. Return true if last mmap_record
	has been deleted, false otherwise. Check for legal incoming index
	value.
	(list::erase): Remove erase/0.
	(list::search_record): Rename from match.
	(map::map): Remove.
	(map::~map): Remove.
	(map::add_list): Manage all allocation for lists.  Check for failed
	memory allocation and return NULL if so.
	(map::get_list): New method.
	(map::del_list): Rename from erase. Check for legal incoming index
	value.
	(mmap64): Check for failed mmap_record memory allocation.  Return
	with MAP_FAILED and errno set to ENOMEM if so.
	(munmap): Rearrange loop using new list and mmap_record accessor
	functions.  Rename loop index variables for better understanding.
	Check if list can be deleted after last mmap_record in it has been
	deleted.
	(msync): Rearrange loop using new list and mmap_record accessor
	functions.  Rename loop index variables for better understanding.
	(fixup_mmaps_after_fork): Ditto.
2003-09-04 10:27:51 +00:00
Christopher Faylor 5c6497b43f * cygheap.h (enum cygheap_types): Add HEAP_MMAP.
(CYGHEAPSIZE): Add another 64K.
* mmap.cc: Use cmalloc, ccalloc and crealloc with HEAP_MMAP type throughout.
2003-08-23 00:03:54 +00:00
Corinna Vinschen 92d897cde2 * mmap.cc (mmap64): Avoid crash if file size is less than requested
map length.
2003-08-15 12:05:08 +00:00
Christopher Faylor df04ae29b2 * exceptions.cc (ctrl_c_handler): Send SIGHUP when events occur only if there
is a tty associated with the process.  Send SIGHUP on CTRL_LOGOFF_EVENT.
* fhandler_tty.cc (fhandler_tty_slave::open): Adjust console open handle
counter regardless of whether this is a pty or tty.
(fhandler_tty_slave::open): Ditto.
(fhandler_tty_slave::dup): Ditto.
(fhandler_tty_common::set_close_on_exec): Ditto.
(fhandler_tty_master::init_console): Decrement console open handle counter
after init since it will now be handled by all tty open.
* syscalls.cc (setsid): Rework debugging output slightly.
2003-07-26 04:53:59 +00:00
Corinna Vinschen d432ac751b * mmap.cc: Use proper format specifiers for _off64_t and size_t in
format strings passed to syscall_printf () and debug_printf ()
	throughout.
2003-07-21 13:06:49 +00:00
Corinna Vinschen f2d3c47b14 * mmap.cc (list::match): Add parameters to return valid address and
length back to munmap().  Evaluate intersection between given
	area and mapped area and return it, if any.
	(mmap64): On regular files, don't allow mappings beginning beyond
	EOF.  Return with errno set to ENXIO instead.
	(munmap): Rewrite SUSv3 conformant.  Check if given memory area is
	valid.  Unmap all maps inside given memory area.  Don't return error
	if no mapping has been unmapped.
2003-07-05 18:59:35 +00:00
Corinna Vinschen 6694f3054e * mmap.cc (fhandler_disk_file::mmap): Fix address test. 2003-07-04 09:06:54 +00:00
Corinna Vinschen 6556178009 * mmap.cc (mmap64): Allow MAP_FIXED with pagesize granularity (4K).
If a non-zero addr is given, align it to the next lower 64K boundary.
	(fhandler_disk_file::mmap): If a non-zero address is given, try
	mapping using the given address first.  If it fails and flags is not
	MAP_FIXED, try again with NULL address.
2003-07-03 20:53:26 +00:00
Christopher Faylor c433f4617f Throughout, remove "include <errno.h>" from files which already include
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h.  Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent.  Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL.  Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
2003-06-16 03:24:13 +00:00
Corinna Vinschen 1727fba007 * dir.cc: Change __off32_t to _off_t and __off64_t to _off64_t
throughout.
	* fhandler.cc: Ditto.
	* fhandler.h: Ditto.
	* fhandler_clipboard.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_dsp.cc: Ditto.
	* fhandler_floppy.cc: Ditto.
	* fhandler_mem.cc: Ditto.
	* fhandler_proc.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* fhandler_random.cc: Ditto.
	* fhandler_registry.cc: Ditto.
	* fhandler_tape.cc: Ditto.
	* fhandler_termios.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	* fhandler_zero.cc: Ditto.
	* mmap.cc: Ditto.
	* pipe.cc: Ditto.
	* syscalls.cc: Ditto.
	* winsup.h: Ditto.
	* include/cygwin/stat.h: Ditto.
	* include/cygwin/types.h: Ditto.  Remove definition of __off32_t
	and __off64_t.
2003-04-01 16:11:41 +00:00
Christopher Faylor a113a3c540 whitespace cleanup 2003-03-09 20:31:07 +00:00
Christopher Faylor c367dfd02c Do some minor reformatting of 'extern "C"' use throughout.
* autoload.cc (GetSystemTimes): Define new autoload function.
* fhandler_proc.cc (proc_listing): Add cpuinfo and partitions entries.
(fhandler_proc::fill_filebuf): Add PROC_CPUINFO and PROC_PARTITIONS cases.
(format_proc_uptime): Use GetSystemTimes if available.
(read_value): New macro.
(print): New macro.
(cpuid): New function.
(can_set_flag): New function.
(format_proc_cpuinfo): New function.
(format_proc_partitions): New function.
2003-03-09 20:10:25 +00:00
Corinna Vinschen 6b9a9ce6ba * mmap.cc (mmap64): Fix returned address by taking the granularity
into account.
2003-02-25 12:46:39 +00:00
Corinna Vinschen 4d9ba012a9 * mmap.cc (mprotect): Add missing break. 2003-02-14 21:15:16 +00:00
Corinna Vinschen 4136fdb16b * mmap.cc (mmap_record::alloc_map): De-inline. Add offset and length
parameter.  Only protect pages actually unused currently.  Do job
	of map_map() when initializing a map.
	(mmap_record::map_map): Reduce functionality for the reuse case
	of private anonymous mapping.
	(mmap_record::fixup_map): Format change.
	(list::add_record): Add offset and length parameter to call
	mmap_record::alloc_map() correctly.
	(mmap64): Rename `l' variable to `map_list'.  Accomodate above changes.
	(munmap): Rename `l' variable to `map_list'.
	(msync): Ditto.
	(fhandler_disk_file::mmap): Streamline code.
	(mprotect): Ditto.
	(fixup_mmaps_after_fork): Rename `l' variable to `map_list'.
2003-02-07 20:57:30 +00:00
Corinna Vinschen 41429bc99b * mmap.cc (fixup_mmaps_after_fork): Add ERROR_NOACCESS to the list of
ReadProcessMemory() error codes that trigger a retry with temporary
	PAGE_READONLY access.  Note that this can occur on NT 4.0.
2003-01-16 14:11:10 +00:00
Corinna Vinschen ce542f7867 * autoload.cc: Fix copyright date.
* fhandler_dsp.cc: Ditto.
	* mmap.cc: Ditto.
	* net.cc: Ditto.
	* ntdll.h: Ditto.
	* signal.cc: Ditto.
	* syscalls.cc: Ditto.
	* uname.cc: Ditto.
	* wait.cc: Ditto.
2003-01-15 10:21:23 +00:00
Corinna Vinschen 15996b6f08 * mmap.cc (fixup_mmaps_after_fork): Copy protection to child process.
Change ambiguous debug output.
2003-01-14 21:01:43 +00:00
Corinna Vinschen 857b65ddba * mmap.cc (mmap_record::access): Change argument type to caddr_t
for strictness.
	(mprotect): Protect against calling VirtualProtect() for shared
	pages on 9x/Me.
	(fixup_mmaps_after_fork): If ReadProcessMemory() fails, try to
	change protection of parent page to PAGE_READONLY, then try again.
	Revert protection afterwards.
2003-01-14 20:40:09 +00:00
Christopher Faylor 5ec14fe40a Change _function() to function() throughout.
* cygwin.din: Remove last vestiges (?) of newlib wrappers.
* cygthread.cc (cygthread::detach): Always wait for event or suffer an
apparently inavoidable race.
* dcrt0.cc (dll_crt0_1): Allocate threads after stack has been relocated.
* debub.cc (lock_debug): Don't acquire lock on exit.
* fork.cc (fork_child): Recreate mmaps before doing anything else since Windows
has a habit of using blocks of memory in the child that could previously have
been occupied by shared memory in the parent.
* mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here and
provide some details about what went wrong.
(fixup_mmaps_after_fork): Remove error message.
* shared.cc (open_shared): Move warning message so that more detail is
possible.
* sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a race.
(sigproc_terminate): Specifically wait for process thread to terminate.
2002-10-21 01:00:58 +00:00
Corinna Vinschen f4b098d95e * errno.cc (errmap): Map ERROR_INVALID_ADDRESS to new errno code
EOVERFLOW.
	(_sys_errlist): Add entries for EILSEQ and EOVERFLOW.
	(strerror): Ditto.
	* mmap.cc (map_map): Set errno in case of error.
	(mmap64): Remove setting errno explicitely to ENOMEM.
2002-09-24 14:17:50 +00:00
Corinna Vinschen 6b579509ea * mmap.cc (map_map): Add debug output.
(mmap64): Evaluate gran_len correctly even if offset isn't 0.
2002-09-24 13:48:07 +00:00
Christopher Faylor f0227ea3c7 More GNUify non-GNU formatted functions calls throughout. 2002-09-23 00:31:31 +00:00
Christopher Faylor c90e1cf179 * fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller has
already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto.  GNUify non-GNU formatted functions calls
throughout.
2002-09-22 03:38:57 +00:00
Corinna Vinschen 5b509758a0 * mmap.cc (list::match): Check using pagesize aligned size. 2002-06-27 13:01:35 +00:00
Christopher Faylor 6b7cd251c7 Remove unneeded sigproc.h includes throughout.
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
2002-06-02 06:07:01 +00:00
Christopher Faylor 2402700d07 * autoload.cc (LoadFuncEx): Define via new LoadFuncEx2 macro.
(LoadFuncEx2): Adapted from LoadFuncEx.  Provides control of return value for
nonexistent function.
(NtQueryObject): Declare.
(IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not
available.
* debug.h (being_debugged): Just rely on IsDebuggerPresent return value.
* dtable.cc (handle_to_fn): New function.
(dtable::init_std_file_from_handle): Attempt to derive std handle's name via
handle_to_fn.
(dtable::build_fhandler_from_name): Fill in what we can in path_conv structure
when given a handle and path doesn't exist.
* fhandler.cc (fhandler_base::open): Don't set the file pointer here.  Use
pc->exists () to determine if file exists rather than calling GetFileAttributes
again.
* fhandler.h (fhandler_base::exec_state_isknown): New method.
(fhandler_base::fstat_helper): Add extra arguments to declaration.
(fhandler_base::fstat_by_handle): Declare new method.
(fhandler_base::fstat_by_name): Declare new method.
* fhandler_disk_file (num_entries): Make __stdcall.
(fhandler_base::fstat_by_handle): Define new method.
(fhandler_base::fstat_by_name): Define new method.
(fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate.
(fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat
structure.  Move handle or name specific stuff to new methods above.
(fhandler_disk_file::open): Use real_path->exists rather than calling
GetFileAttributes again.
* ntdll.h (FILE_NAME_INFORMATION): Define new structure.
(OBJECT_INFORMATION_CLASS): Partially define new enum.
(OBJECT_NAME_INFORMATION): Define new structure.
(NtQueryInformationFile): New declaration.
(NtQueryObject): New declaration.
* path.cc (path_conv::fillin): Define new method.
* path.h (path_conv::fillin): Declare new method.
(path_conv::drive_thpe): Rename from 'get_drive_type'.
(path_conv::volser): Declare new method.
(path_conv::volname): Declare new method.
(path_conv::root_dir): Declare new method.
* syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
2002-05-28 01:55:40 +00:00
Christopher Faylor d7b4a30001 Remove unneeded sync.h, where appropriate, throughout. Remove unneeded heap.h,
where appropriate, throughout.  Remove unneeded exceptions.h, where
appropriate, throughout.  Remove unneeded perprocess.h, where appropriate,
throughout.
2002-05-25 02:22:50 +00:00
Christopher Faylor ff93854697 * dtable.cc (dtable::build_fhandler_from_name): Just pass posix path along to
set_name via return_and_clear_normalized_path.
(dtable::build_fhandler): New method with const char * argument.
(dtable::reset_unix_path_name): Eliminate.
(dtable::dup_worker): Use correct build_fhandler method.
* mmap.cc (mmap_record::alloc_fh): Ditto.
* dtable.h (dtable::build_fhandler): New method.
(dtable::reset_unix_path_name): Eliminate.
* fhandler.cc (fhandler_base::set_name): Assume that unix_name has already been
cmalloced.
(fhandler_base::reset_unix_path_name): Eliminate.
(fhandler_base::~fhandler_base): Coercion for cfree.
* fhandler.h (fhandler_base::unix_path_name): Make const char *.
(fhandler_base::win32_path_name): Ditto.
(fhandler_base::reset_unix_path_name): Eliminate.
* fhandler_disk_file.cc (fhandler_cygdrive::set_drives): Accommodate const char
*ness of win32_path_name.
* fhandler_socket.cc (fhandler_socket::fstat): Accommodate new set_name
requirements.
* path.cc (path_conv::return_and_clear_normalized_path): New method.
(path_conv::clear_normalized_path): Eliminate.
(path_conv::~path_conv): Ditto.
(path_conv::check): Accommodate new build_fhandler method.
* path.h (path_conv::~path_conv): Eliminate.
(path_conv::clear_normalized_path): Ditto.
(path_conv::return_and_clear_normalized_path): Declare new method.
2002-05-24 05:44:10 +00:00
Corinna Vinschen bbe0913914 * mmap.cc (mmap_record::map_map): Return -1 if VirtualProtect fails.
(list::erase): New method with no argument.  Erase latest record
	added.
	(mmap64): Fail if map_map() fails.
2002-03-13 20:54:57 +00:00
Corinna Vinschen 2817e0dc89 * mmap.cc (msync): Check area given by addr and len for being a
contigeous mmap'd region.
2002-03-11 20:23:09 +00:00
Corinna Vinschen 713fb38b7c * fork.cc (fork_child): Call fixup_mmaps_after_fork() before
closing parent process handle.  Call fixup_mmaps_after_fork()
	with parent process handle as parameter.
	* mmap.cc (mmap_record::access): New method.
	(fixup_mmaps_after_fork): Take process handle as parameter.
	In case of FILE_MAP_COPY access, copy valid memory regions to child.
	* pinfo.h (fixup_mmaps_after_fork): Change prototype accordingly.
2002-03-11 17:57:22 +00:00
Corinna Vinschen acb5617538 * cygwin.din (fstat64): New symbol.
(ftruncate64): Ditto.
	(lseek64): Ditto.
	(lstat64): Ditto.
	(mmap64): Ditto.
	(seekdir64): Ditto.
	(stat64): Ditto.
	(telldir64): Ditto.
	(truncate64): Ditto.
	* dir.cc (telldir64): New function.
	(telldir): Call telldir64().
	(seekdir64): New function.
	(seekdir): Call seekdir64().
	* fhandler.h: Redefine all methods using __off32_t to use __off64_t.
	* fhandler.cc: Use __off64_t and struct __stat64 throughout.
	* fhandler_clipboard.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_dsp.cc: Ditto.
	* fhandler_floppy.cc: Ditto.
	* fhandler_mem.cc: Ditto.
	* fhandler_random.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_tape.cc: Ditto.
	* fhandler_zero.cc: Ditto.
	* pipe.cc: Ditto.
	* glob.c: Ditto, call lstat64 and stat64 in Cygwin.
	* mmap.cc: Use __off64_t throughout.
	(mmap64): New function.
	* sec_acl.cc (acl_worker): Use struct __stat64, call stat64 and lstat64.
	* syscalls.cc (lseek64): New function.
	(stat64_to_stat32): Ditto.
	(fstat64): Ditto.
	(stat64): Ditto.
	(lstat64): Ditto.
	(ftruncate64): Ditto.
	(truncate64): Ditto.
	(_fstat): Call fstat64.
	(_stat): Call stat64.
	(cygwin_lstat): Rename to avoid declaration problem.  Call lstat64.
	(stat_worker): Use struct __stat64.
	(access): Ditto.
	(ftruncate): Call ftruncate64.
	(truncate): Call truncate64.
	* wincap.cc: Set flag has_64bit_file_access appropriately.
	* wincap.h: Add flag has_64bit_file_access.
	* winsup.h (ILLEGAL_SEEK): Define as __off64_t.
	(stat_dev): Declare using struct __stat64.
	(stat_worker): Ditto.
	* include/cygwin/stat.h (struct __stat32): Define if compiling Cygwin.
	(struct __stat64): Ditto.
	(struct stat): Revert definition with explicitly sized datatypes.
	Eliminate sized field names.
	* include/cygwin/types.h (blksize_t): New type.
	(__blkcnt32_t): Ditto.
	(__blkcnt64_t): Ditto.
	(blkcnt_t): Ditto.
2002-02-25 17:47:51 +00:00
Christopher Faylor 083abe5428 * sync.h (new_muto): Just accept an argument which denotes the name of the
muto.  Use this argument to construct static storage.
* cygheap.cc (cygheap_init): Reflect above change.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* cygheap.h (cwdstuff): Change name of lock element to make it less generic.
* path.cc (cwdstuff::get_hash): Ditto.
(cwdstuff::get_initial): Ditto.
(cwdstuff::set): Ditto.
(cwdstuff::get): Ditto.
* sigproc.cc (proc_subproc): Ditto.
* debug.cc (lock_debug): Change to method.  Use method rather than macro
throughout.
* tty.h (tty_min::kill_pgrp): Declare new method.
* fhandler_termios.cc (tty_min::kill_pgrp): New method.
(fhandler_termios::line_edit): Use new method for killing process.
* dcrt0.cc (do_exit): Ditto.
* dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info
from a debugger.
* tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if
appropriate.  # dtable.cc (dtable::stdio_init): Make this a method.
(dtable::init_std_file_from_handle): Don't set fd unless it's not open.
(dtable::build_fhandler_from_name): Move name setting to
dtable::build_fhandler.
(dtable::build_fhandler): Add win32 name parameter.
* dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init.
* dtable.h (dtable): Reflect build_fhandler parameter change.
* mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler.
* net.cc (fdsock): Remove set_name call since it is now handled by
build_fhandler.
* sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-22 19:33:41 +00:00
Corinna Vinschen b31c68c447 * child_info.h, cygheap.h, fhandler_clipboard.cc, fhandler_dsp.cc,
fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
	fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
	pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
	security.h, thread.h, uinfo.cc, include/cygwin/acl.h: Fix copyright.
2002-02-10 13:50:13 +00:00
Corinna Vinschen de4e0d3001 * (child_info.h, cygheap.h, dcrt0.cc, dir.cc, fhandler.cc, fhandler.h,
fhandler_clipboard.cc, fhandler_disk_file.cc, fhandler_dsp.cc,
	fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
	fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
	pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
	security.h, spawn.cc, syscalls.cc, thread.h, uinfo.cc, winsup.h):
	Change usage of uid_t to __uid16_t, gid_t to __gid16_t and
	off_t to __off32_t throughout.  Use INVALID_UID, INVALID_GID and
	INVALID_SEEK instead casting -1 to the appropriate type.
	* winsup.h: Define INVALID_UID, INVALID_GID and INVALID_SEEK.
	* include/cygwin/acl.h: Define internal __aclent16_t and __aclent32_t
	types.  Don't declare acl functions when compiling Cygwin.
	* include/cygwin/grp.h: Declare getgrgid() and getgrnam() with
	correct types for internal usage.
2002-02-10 13:38:51 +00:00