From ee1de6a067c70fbd8cb73facd64c3b0b275f9f83 Mon Sep 17 00:00:00 2001 From: deischen Date: Wed, 24 Jan 2001 13:03:38 +0000 Subject: Add weak definitions for wrapped system calls. In general: _foo - wrapped system call foo - weak definition to _foo and for cancellation points: _foo - wrapped system call __foo - enter cancellation point, call _foo(), leave cancellation point foo - weak definition to __foo Change use of global _thread_run to call a function to get the currently running thread. Make all pthread_foo functions weak definitions to _pthread_foo, where _pthread_foo is the implementation. This allows an application to provide its own pthread functions. Provide slightly different versions of pthread_mutex_lock and pthread_mutex_init so that we can tell the difference between a libc mutex and an application mutex. Threads holding mutexes internal to libc should never be allowed to exit, call signal handlers, or cancel. Approved by: -arch --- lib/libpthread/thread/thr_sigpending.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'lib/libpthread/thread/thr_sigpending.c') diff --git a/lib/libpthread/thread/thr_sigpending.c b/lib/libpthread/thread/thr_sigpending.c index a118347..98b7d26 100644 --- a/lib/libpthread/thread/thr_sigpending.c +++ b/lib/libpthread/thread/thr_sigpending.c @@ -33,13 +33,15 @@ */ #include #include -#ifdef _THREAD_SAFE #include #include "pthread_private.h" +#pragma weak sigpending=_sigpending + int _sigpending(sigset_t * set) { + struct pthread *curthread = _get_curthread(); int ret = 0; /* Check for a null signal set pointer: */ @@ -48,11 +50,8 @@ _sigpending(sigset_t * set) ret = EINVAL; } else { - *set = _thread_run->sigpend; + *set = curthread->sigpend; } /* Return the completion status: */ return (ret); } - -__strong_reference(_sigpending, sigpending); -#endif -- cgit v1.1