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* environ.cc: Eliminate oldstack CYGWIN option.

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* exceptions.cc (sfta): Eliminate obsolete function.
(sgmb): Eliminate obsolete function.
(class stack_info): Remove MS method for walking the stack.
(stack_info::init): Just initialize required fields.
(stack_info::brute_force): Rename to stack_info::walk.
(handle_exceptions): Pass derived frame pointer to sig_send.
(interrupt_setup): Clear saved frame pointer here.
(interrupt_on_return): thestack is no longer a pointer.
(call_handler): Accept a flag to indicate when a signal was sent from other
than the main thread.  Use saved frame pointer for determining where to place
signal handler call.
(sig_handle): Accept "nonmain" argument.  Pass it to call_handler.
* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Change
debugging output slightly.
* (fhandler_tty_common::__release_output_mutex): Ditto.
(fhandler_tty_slave::read): Fix a comment, remove a goto.
* sigproc.cc (sig_send): Accept an optional frame pointer argument for use when
suspending the main process.  sigcomplete_main is an autoreset event now.  Save
frame pointer for non-main operation.
(wait_sig): Make sigcomplete_main an autoreset event.  Eliminate NOSIGQUEUE.
Pass rc to sig_handle to signify if this was a nonmain process.
* sigproc.h: Reflect change to sig_send argument.
* syscalls.cc (swab): Eliminate swab function since it is now available in
newlib.
* winsup.h (signal_dispatch): Change CONTEXT cx to DWORD ebp.
This commit is contained in:
Christopher Faylor
2000-03-09 21:04:05 +00:00
parent 3072163c0f
commit af1dc7ccea
8 changed files with 132 additions and 181 deletions
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4
winsup/cygwin/sigproc.h
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@ -37,7 +37,7 @@ extern HANDLE signal_arrived;
BOOL __stdcall my_parent_is_alive ();
extern "C" int __stdcall sig_dispatch_pending (int force = FALSE) __asm__ ("sig_dispatch_pending");
extern "C" void __stdcall set_process_mask (sigset_t newmask);
int __stdcall sig_handle (int);
int __stdcall sig_handle (int, int);
void __stdcall sig_clear (int);
void __stdcall sig_set_pending (int);
int __stdcall handle_sigsuspend (sigset_t);
@ -48,7 +48,7 @@ void __stdcall subproc_init ();
void __stdcall sigproc_terminate ();
BOOL __stdcall proc_exists (pinfo *);
int __stdcall proc_subproc (DWORD, DWORD);
int __stdcall sig_send (pinfo *, int);
int __stdcall sig_send (pinfo *, int, DWORD ebp = 0);
extern char myself_nowait_dummy[];
extern char myself_nowait_nonmain_dummy[];