diff options
Diffstat (limited to 'winsup/cygwin')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 7 | ||||
| -rw-r--r-- | winsup/cygwin/dcrt0.cc | 2 | ||||
| -rw-r--r-- | winsup/cygwin/exceptions.cc | 10 | ||||
| -rw-r--r-- | winsup/cygwin/sigproc.h | 2 | ||||
| -rw-r--r-- | winsup/cygwin/sync.cc | 3 |
5 files changed, 22 insertions, 2 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index d0b40a1..3aee9df 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,10 @@ +Thu Oct 19 13:55:31 2000 Christopher Faylor <cgf@cygnus.com> + + * dcrt0.cc (sigthread::init): Correct overzealous ifdef. + * exceptions.cc (call_handler): Avoid calling sigthread acquire lock. + * sigproc.h (sigthread): Comment out lock for now. + * sync.cc (muto::acquire): Add a minor optimization. + 2000-10-18 DJ Delorie <dj@redhat.com> * Makefile.in: add miscfuncs.cc diff --git a/winsup/cygwin/dcrt0.cc b/winsup/cygwin/dcrt0.cc index fbf7947..c23f1db 100644 --- a/winsup/cygwin/dcrt0.cc +++ b/winsup/cygwin/dcrt0.cc @@ -616,8 +616,8 @@ sigthread::init (const char *s) { #if 0 /* FIXME: Someday we'll need this for inter-thread signalling */ lock = new_muto (FALSE, s); - id = GetCurrentThreadId (); #endif + id = GetCurrentThreadId (); } /* Take over from libc's crt0.o and start the application. Note the diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc index c4b87f0..0054b1a 100644 --- a/winsup/cygwin/exceptions.cc +++ b/winsup/cygwin/exceptions.cc @@ -709,7 +709,9 @@ call_handler (int sig, struct sigaction& siga, void *handler) int res; int using_mainthread_frame; +#if 0 mainthread.lock->acquire (); +#endif if (sigsave.sig) goto set_pending; @@ -723,7 +725,9 @@ call_handler (int sig, struct sigaction& siga, void *handler) { int i; using_mainthread_frame = 0; +#if 0 mainthread.lock->release (); +#endif hth = myself->getthread2signal (); /* Suspend the thread which will receive the signal. But first ensure that @@ -747,14 +751,18 @@ call_handler (int sig, struct sigaction& siga, void *handler) if (m->unstable () || m->owner () == mainthread.id) goto owns_muto; +#if 0 mainthread.lock->acquire (); +#endif if (mainthread.frame) { ebp = mainthread.frame; /* try to avoid a race */ using_mainthread_frame = 1; goto next; } +#if 0 mainthread.lock->release (); +#endif cx.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER; if (!GetThreadContext (hth, &cx)) @@ -816,7 +824,9 @@ out: sigproc_printf ("ResumeThread returned %d", res); } +#if 0 mainthread.lock->release (); +#endif sigproc_printf ("returning %d", interrupted); return interrupted; diff --git a/winsup/cygwin/sigproc.h b/winsup/cygwin/sigproc.h index 2ee39b0..2fc623d 100644 --- a/winsup/cygwin/sigproc.h +++ b/winsup/cygwin/sigproc.h @@ -38,7 +38,9 @@ struct sigthread { DWORD id; DWORD frame; +#if 0 muto *lock; // FIXME: Use for multi-thread signalling someday +#endif void init (const char *s); }; diff --git a/winsup/cygwin/sync.cc b/winsup/cygwin/sync.cc index 86bcc04..5aa798e 100644 --- a/winsup/cygwin/sync.cc +++ b/winsup/cygwin/sync.cc @@ -87,7 +87,7 @@ muto::acquire (DWORD ms) switch (WaitForSingleObject (bruteforce, ms)) { case WAIT_OBJECT_0: - was_waiting = 0; + goto gotit; break; default: InterlockedDecrement (&waiters); @@ -96,6 +96,7 @@ muto::acquire (DWORD ms) } } +gotit: tid = this_tid; /* register this thread. */ return ++visits; /* Increment visit count. */ } |