Commit Graph

10 Commits

Author SHA1 Message Date
Corinna Vinschen abbde48704 * Makefile.in (DLL_OFILES): Add kernel32.o.
* autoload.cc (WSACloseEvent): Remove.
	(WSACreateEvent): Remove.
	* cygheap.cc (cygheap_init): Drop initializing shared_prefix.
	* cygheap.h (struct init_cygheap): Drop shared_prefix and
	shared_prefix_buf members.
	* fhandler_socket.cc (sock_shared_name): New static function.
	(search_wsa_event_slot): Convert name buffers to WCHAR.  Call
	NtCreateMutant/NtOpenMutant to create mutexes in session local
	namespace.
	(fhandler_socket::init_events): Ditto.  Fix debug output.
	(fhandler_socket::release_events): Close mutexes using NtClose.
	(fhandler_socket::dup): Ditto.
	* kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific
	way.
	* mmap.cc (MapView): Make static.
	* ntdll.h: Fix status code sorting.
	(STATUS_OBJECT_NAME_EXISTS): Define.
	(SEMAPHORE_QUERY_STATE): Define.
	(CYG_SHARED_DIR_ACCESS): Define.
	(CYG_MUTANT_ACCESS): Define.
	(CYG_EVENT_ACCESS): Define.
	(CYG_SEMAPHORE_ACCESS): Define.
	(enum _PROCESSINFOCLASS): Define ProcessSessionInformation.
	(struct _PROCESS_SESSION_INFORMATION): Define.
	(NtCreateSemaphore): Declare.
	(NtOpenSemaphore): Declare.
	* flock.cc: Use CYG_xxx_ACCESS access masks where appropriate.
	* posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex.
	Create in cygwin-shared subdir.
	(ipc_cond_init): Ditto for event.
	(ipc_mutex_close): Use NtClose.
	(ipc_cond_close): Ditto.
	(mq_open): Drop "cyg" prefix from mqh_uname.
	* shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here.
	(_cygwin_testing): Declare extern on file level.
	(get_shared_parent_dir): Change name of shared directory.  Add name
	to api_fatal output.
	(get_session_parent_dir): New function.
	(shared_name): Simplify.
	(shared_info::initialize): Call get_session_parent_dir.
	* shared_info.h (get_session_parent_dir): Declare.
	* smallprint.cc (__small_vswprintf): Fix bug in multibyte string
	conversion.
	* thread.cc (semaphore::semaphore): Align semaphore name to object
	names in posix IPC functions.
	* include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
2008-04-21 12:46:58 +00:00
Christopher Faylor b13e6864f5 Remove unneeded header files from source files throughout. 2008-04-07 18:45:59 +00:00
Corinna Vinschen fabfb1a1ee Throughout, call fcntl64 instead of fcntl or fcntl_worker.
* fcntl.cc (fcntl_worker): Remove.
	(fcntl64): Add fault handler.  Move fcntl_worker stuff here.  Add case
	for locking and call fhandler's lock method directly.  Make sure that
	F_FLOCK flag isn't set in lock call.
	(_fcntl): Add fault handler.
	* fhandler.cc (fhandler_base::fcntl): Drop lock cases.
	* flock.cc (flock): Add fault handler.  Simplify code.  Call fhandlers
	lock method directly instead of fcntl_worker.  Add debug output.
	(lockf): Add fault handler.  Call fhandlers lock method directly
	instead of fcntl_worker.  Add debug output.
	* winsup.h (fcntl_worker): Drop declaration.
	(fcntl64): Declare.
2008-04-01 10:22:33 +00:00
Corinna Vinschen 547ad329b6 * posix_ipc.cc (ipc_names): Rename max_len to prefix_len. Store
the prefix len in it.
	(check_path): Take length parameter.  Use this length insetad of
	calling strlen.  Allow PATH_MAX length paths.
	(ipc_mutex_init): Use MAX_PATH instead of CYG_MAX_PATH.
	(ipc_cond_init): Ditto.
	(shm_open): Allocate local name buffer not bigger than necessary.  Call
	check_path with additional length argument.
	(shm_unlink): Ditto.
	(mq_open): Ditto.
	(mq_unlink): Ditto.
	(sem_open): Ditto.
	(sem_unlink): Ditto.
2007-11-27 17:04:19 +00:00
Christopher Faylor 7b44665a7b * fork.cc: White space.
* net.cc: Ditto.
* posix_ipc.cc: Ditto.
2007-07-07 16:43:03 +00:00
Corinna Vinschen e6fbf13e48 * cygheap.cc (cygheap_init): Fix formatting. Remove comment. Set
shared_prefix depending only on terminal service capability.
	* dcrt0.cc (dll_crt0_1): Don't call set_cygwin_privileges here.
	* fhandler_fifo.cc (fhandler_fifo::open): Create the mutex as global
	object.
	* posix_ipc.cc (ipc_mutex_init): Use cygheap->shared_prefix.
	(ipc_cond_init): Ditto.
	* sec_helper.cc (privilege_name): Make static.  Use LookupPrivilegeName
	directly to be independent of the state of cygheap.
	(set_privilege): Take a LUID as parameter instead of an index value.
	Only print debug output in case of failure.
	(set_cygwin_privileges): Add comment.  Use LookupPrivilegeValue to
	get privilege LUIDs.
	(init_global_security): Call set_cygwin_privileges here.
	* security.h (privilege_name): Drop declaration.
	(set_privilege): Declare according to above change.
	(set_process_privilege): Call privilege_luid to get LUID.
	(_push_thread_privilege): Ditto.
	* shared.cc (open_shared): Add comment.  On systems supporting the
	SeCreateGlobalPrivilege, try to create/open global shared memory first.
	Fall back to local shared memory if that fails.
	* thread.cc (semaphore::semaphore): Use cygheap->shared_prefix.
	* wincap.h (wincapc::has_create_global_privilege): New element.
	* wincap.cc: Implement above element throughout.
2007-03-29 16:37:36 +00:00
Corinna Vinschen 8fbd574ef0 * cygwin.din (sem_unlink): Export.
* posix_ipc.cc: Include thread.h and semaphore.h.  Remove TODO
	comment.
	(ipc_names): Add max_len member.  Set to maximum length of the path
	before tacking on the prefix path.  Set prefix path for named semaphors
	to /dev/shm, as on Linux.
	(enum ipc_type_t): Change sem to semaphore to avoid name conflicts.
	(check_path): Detect empty paths.  Use ipc_names's max_len member.
	Use __small_sprintf to create full object path name.  Special case
	semaphores.
	(ipc_cond_init): Drop superfluous strcpy.
	(class ipc_flock): New class to simplify file locking in subsequent
	code.
	(struct mq_hdr): Raise size of mqh_uname to allow adding a unique
	LUID to the name.
	(mq_open): Fix formatting.  Create unique synchronization object names
	using AllocateLocallyUniqueId.
	(struct sem_finfo): New structure defining named semaphore file content.
	(sem_open): Move here.  Rework implementation to allow kernel
	persistent implementation of POSIX named semaphores.
	(_sem_close): Implement sem_close.
	(sem_close): Move here.  Just call _sem_close with do_close parameter
	set to true.
	(sem_unlink): New function.
	* pthread.cc (mangle_sem_name): Remove.
	(sem_open): Move to posix_ipc.cc.
	(sem_close): Ditto.
	* syscalls.cc (close_all_files): Call semaphore::terminate here.
	* thread.cc: Fix formatting.  Rearrange semaphore functions so that
	they are close together.
	(semaphore::semaphore): Rework to play nicely with new named semaphore
	implementation.
	(semaphore::_terminate): Call _sem_close if semaphore is a named
	semaphore.
	(semaphore::destroy): Don't destroy named semaphores.  Return EINVAL
	instead.
	(semaphore::close): Only destroy named semaphores.  Return EINVAL
	otherwise.
	(semaphore::open): Rework to play nicely with new named semaphore
	implementation.  Loop through existing semaphores to be able to
	return same sem_t pointer as a former call on the same named semaphore.
	(semaphore::getinternal): New function called from _sem_close.
	* thread.h (class List): Make mx and head public.
	(class semaphore): Fix formatting.  Align method declarations with
	implementation in thread.cc.  Add members used for named semaphores.
	(semaphore::terminate): New static method.
	* include/semaphore.h: Redefine SEM_FAILED.  Fix formatting.
	(sem_unlink): Add declaration.
	* include/cygwin/version.h: Bump API minor number.
2007-02-20 15:48:04 +00:00
Corinna Vinschen eb8a6636bf * posix_ipc.cc (mq_open): Avoid compiler warning. Initialize mqhdr
before using it in file exists case.
	* include/mqueue.h (mqd_t): Make non-pointer type.
2007-02-15 17:49:25 +00:00
Corinna Vinschen 93162be554 * posix_ipc.cc (ipc_mutex_init): Create global object name.
(ipc_cond_init): Ditto.
	(struct mq_hdr): Add mqh_uname member to store synchronization object
	name.
	(mq_open): Create unique synchronization object name and store in
	mq_hdr->mqh_uname.  Use this name in calls to ipc_mutex_init and
	ipc_cond_init.
2007-02-15 11:28:46 +00:00
Corinna Vinschen 7b487ba942 * Makefile.in (DLL_OFILES): Add posix_ipc.o.
* cygwin.din (mq_close): Export.
	(mq_getattr): Export.
	(mq_notify): Export.
	(mq_open): Export.
	(mq_receive): Export.
	(mq_send): Export.
	(mq_setattr): Export.
	(mq_timedreceive): Export.
	(mq_timedsend): Export.
	(mq_unlink): Export.
	* posix_ipc.cc: New file implementing the above functions.  Move
	shm_open and shm_unlink from syscalls.cc here.
	* sysconf.cc (sca): Set value of _SC_MQ_OPEN_MAX to MQ_OPEN_MAX,
	_SC_MQ_PRIO_MAX to MQ_PRIO_MAX, _SC_MESSAGE_PASSING to
	_POSIX_MESSAGE_PASSING.
	* include/limits.h (MQ_OPEN_MAX): Define.
	(MQ_PRIO_MAX): Define.
	* include/mqueue.h: New file.
	* include/cygwin/version.h: Bump API minor number.
2007-02-14 10:06:46 +00:00