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Pipe changes throughout suggested by Eric Fifer <EFifer@sanwaint.com>

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* debug.cc (threadname_init): Pass name of lock as arg 2 of new_muto.
* malloc.cc (malloc_init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* exceptions.cc (events_init): Ditto.
(call_handler): Eliminate special case for hExeced.  Report locked thread in
debugging output.
* fhandler.cc (fhandker_pipe::fhandler_pipe): Propagate device type to base
class.
* fhandler.h (fhandler_pipe): Ditto.
* hinfo.cc (hinfo::build_fhandler): Pass specific type of pipe to constructor.
* spawn.cc (spawn_guts): Eliminate dependency on signal when waiting for
subprocess.
* strace.cc: Remove obsolete #ifdef.
* sync.cc (muto::muto): Save the name of the muto.
(muto:~muto): Also release the muto.
* sync.h: Add a muto name field.
* select.cc (peek_pipe): Avoid doing a PeekNamedPipe on the write end of a
pipe.
This commit is contained in:
Christopher Faylor
2000-03-15 04:49:36 +00:00
parent 31b3dbe174
commit 332600d80c
15 changed files with 106 additions and 88 deletions
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18
winsup/cygwin/exceptions.cc
View File

@ -652,14 +652,6 @@ call_handler (int sig, struct sigaction& siga, void *handler, int nonmain)
HANDLE hth = NULL;
int res;
if (hExeced != NULL && hExeced != INVALID_HANDLE_VALUE)
{
SetEvent (signal_arrived); // For an EINTR case
sigproc_printf ("armed signal_arrived");
exec_exit = sig; // Maybe we'll exit with this value
goto out1;
}
if (!nonmain)
ebp = sigsave.ebp;
else
@ -675,15 +667,16 @@ call_handler (int sig, struct sigaction& siga, void *handler, int nonmain)
sigproc_printf ("suspending mainthread");
res = SuspendThread (hth);
muto *m;
/* FIXME: Make multi-thread aware */
for (muto *m = muto_start.next; m != NULL; m = m->next)
for (m = muto_start.next; m != NULL; m = m->next)
if (m->unstable () || m->owner () == maintid)
goto keep_looping;
break;
keep_looping:
sigproc_printf ("suspended thread owns a muto");
sigproc_printf ("suspended thread owns a muto (%s)", m->name);
if (res)
goto set_pending;
@ -702,7 +695,7 @@ call_handler (int sig, struct sigaction& siga, void *handler, int nonmain)
ebp = cx.Ebp;
}
if (nonmain && interruptible (cx.Eip))
if (hExeced != NULL || (nonmain && interruptible (cx.Eip)))
interrupt_now (&cx, sig, siga, handler);
else if (!interrupt_on_return (ebp, sig, siga, handler))
{
@ -729,7 +722,6 @@ out:
sigproc_printf ("ResumeThread returned %d", res);
}
out1:
sigproc_printf ("returning %d", interrupted);
return interrupted;
}
@ -974,7 +966,7 @@ events_init (void)
api_fatal ("can't create title mutex, %E");
ProtectHandle (title_mutex);
mask_sync = new_muto (FALSE, NULL);
mask_sync = new_muto (FALSE, "mask_sync");
windows_system_directory[0] = '\0';
(void) GetSystemDirectory (windows_system_directory, sizeof (windows_system_directory) - 2);
char *end = strchr (windows_system_directory, '\0');