(cygheap_init): Here.
* shared_info.h (mount_info): Add a sys_mount_table_counter field.
(shared_info): Ditto.
* path.cc (mount_info::conv_to_win32_path): Check that our mount table is in
sync with the system mount table and reinitialize it if not.
(mount_info::add_reg_mount): Bump sys_mount_table counters if the system mount
table changes.
(mount_info::del_reg_mount): Ditto.
(mount_info::write_cygdrive_info_to_registry): Ditto.
(mount_info::remove_cygdrive_info_from_registry): Ditto.
* child_info.h (child_info): Move shared_h, console_h to cygheap. Add mount_h.
* cygheap.h (init_cygheap): Add shared_h, console_h.
* cygheap.cc (init_cheap): Initialize heap at a fixed location after the shared
memory regions. Initialize cygheap->user name here.
* dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants. Remove
cygheap_init since it is done in shared_init now.
(_dll_crt0): Initialize mount_h, remove shared_h and console_h initialization.
* fhandler_console.cc (console_shared_h): Eliminate.
(get_tty_stuff): Use cygheap->console_h rather than console_shared_h.
* heap.cc (heap_init): Use page size constant calculated earlier in
initialization.
* shared.cc: Eliminate cygwin_shared_h. Add cygwin_mount_h.
(mount_table_init): New function for initializing a user mount table.
(open_shared_file_map): Use constant for shared memory region. Initialize
cygheap and mount table here.
(open_shared): Improve debugging output.
(shared_info::initialize): Eliminate call to mount.init.
(shared_terminate): Use cygheap->shared_h. Close cygwin_mount_h.
(open_shared_file_map): Eliminate.
* shared_info.h (mount_info): Add a version field.
(shared_align_past): New macro for calculating location for shared memory
regions.
* sigproc.cc (init_child_info): Eliminate shared_h, console_h.
* spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different user.
* syscalls.cc (system_info): New global holding system memory defaults.
(getpagesize): Use system_info.
* uinfo.cc (internal_getlogin): Only fill in user name if nonexistent.
* winsup.h: Declare system_info.
* passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than retrieving
the name again.
signal mask so that stacked signals behave correctly.
(sigdelayed): Avoid a race where a signal could end up calling an incorrect
signal handler if two signals come in close together.
* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to earlier
in interrupt.
((interrupt_setup): i.e., here.
(sig_handle): Don't queue multiple SIGSTOPS.
* fhandler.h (bg_check_types): Enumerate return value of bg_check for clarity.
* signal.cc (kill_pgrp): Minor cleanup.
* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type for
function return. Don't raise signal if a signal is already queued.
* fhandler_console.cc (fhandler_console::read): Use enumerated return type for
bg_check.
* select.cc: Ditto, throughout.
* read.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.
(_read): YA interrupt detect simplification.
* wait.cc (wait4): Ditto.
the new page map.
(mmap_record): Change type of base_address_ to caddr_t.
Add map_map_ member. Add several methods to manipulate map_map_.
(mmap_record::alloc_map): New method.
(mmap_record::free_map): Ditto.
(mmap_record::find_empty): Ditto.
(mmap_record::map_map): Ditto.
(mmap_record::unmap_map): Ditto.
(list::add_record): Change return type to `mmap_record *'.
Allocate page map.
(list::match): New method.
(mmap): Partly rewritten to take care for the new page map. Add some
parameter checking.
(munmap): Ditto.
* signal.cc (sigaction): Don't treat SIGCONT specially.
* exceptions.cc (interrupt_setup): Save sa_flags of interrupted signal for
later use.
(sig_handler): Default any stopping signal to SIGSTOP.
(call_signal_handler): New function.
(sigdelayed0): New function.
* sigproc.cc (sigproc_init): Initialize SIGSTOP sigaction for special behavior.
* sigproc.h: Define call_signal_handler.
* syscalls.cc (_read): Allow restartable signal behavior.
* environ.cc (codepage_init): To here.
* exceptoins.cc (SIG_NONMASKABLE): Remove SIGCONT from consideration since it
is supposed to be maskable.
* signal.cc (sigaction): Ditto.
* sigproc.cc (wait_sig): Ditto.
* winsup.h: Eliminate global declaration of codepage_init.
(setrlimit): Ditto.
Patch by David Sainty <David.Sainty@optimation.co.nz>:
* resource.cc (setrlimit): Prevent failing with an error when the
operation would not have changed anything.
* exceptions.cc (stackdump): Avoid creating stackdump when
`rlim_core' is 0.
* resource.cc: New global variable `rlim_core'.
(getrlimit): New function.
(setrlimit): Ditto.
include/cygwin/version.h: Bump minor API version to 32 due to
adding `getrlimit' and `setrlimit'.
include/sys/resource.h: Add defines, types and prototypes for
`getrlimit' and `setrlimit'.
Christopher Faylor
Earnie Boyd
Corinna Vinschen