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Finish user stack support. Change locking code to be safe in situations with different priorities.

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1998-06-25 19:27  Ulrich Drepper  <drepper@cygnus.com>

	* attr.c: Finish user stack support.  Change locking code to be safe
	in situations with different priorities.
	* cancel.c: Likewise.
	* condvar.c: Likewise.
	* internals.h: Likewise.
	* join.c: Likewise.
	* manager.c: Likewise.
	* mutex.c: Likewise.
	* pthread.c: Likewise.
	* ptlongjmp.c: Likewise.
	* queue.h: Likewise.
	* rwlock.c: Likewise.
	* semaphore.c: Likewise.
	* semaphore.h: Likewise.
	* signals.c: Likewise.
	* spinlock.c: Likewise.
	* spinlock.h: Likewise.
	Patches by Xavier leroy.

1998-06-25  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
	[sg]et_stackaddr prototypes always available.

	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
	_POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
This commit is contained in:
Ulrich Drepper
1998-06-25 19:36:00 +00:00
parent d47aac3999
commit 3387a425e6
23 changed files with 633 additions and 512 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
linuxthreads/cancel.c
View File

@ -53,14 +53,14 @@ int pthread_cancel(pthread_t thread)
pthread_handle handle = thread_handle(thread);
int pid;
acquire(&handle->h_spinlock);
__pthread_lock(&handle->h_lock);
if (invalid_handle(handle, thread)) {
release(&handle->h_spinlock);
__pthread_unlock(&handle->h_lock);
return ESRCH;
}
handle->h_descr->p_canceled = 1;
pid = handle->h_descr->p_pid;
release(&handle->h_spinlock);
__pthread_unlock(&handle->h_lock);
kill(pid, PTHREAD_SIG_CANCEL);
return 0;
}