JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* cygwin.din: Add sem_close, sem_getvalue, sem_open and sem_timedwait.

Browse Source 
* pthread.cc (+mangle_sem_name): New function.
	(sem_open): Ditto.
	(sem_close: Ditto.
	(sem_timedwait): Ditto.
	(sem_getvalue): Ditto.
	* thread.cc (semaphore::semaphore): Rearrange member initialization.
	Use appropriate security attribute for process shared semaphores.
	(semaphore::semaphore): New constructor for named semaphores.
	(semaphore::~semaphore): Care for semaphore name.
	(semaphore::_post): Accomodate failing ReleaseSemaphore. Use value
	returned by ReleaseSemaphore vor currentvalue.
	(semaphore::_getvalue): New method.
	(semaphore::_timedwait): Ditto.
	(semaphore::_fixup_after_fork): Rearrange. Don't fail for process
	shared semaphores.
	(semaphore::open): New method.
	(semaphore::timedwait): Ditto.
	(semaphore::post): Fix return value.  Set errno appropriately.
	(semaphore::getvalue): New method.
	* thread.h (class semaphore): Add prototypes for open, getvalue,
	timedwait, _getvalue, _timedwait.  Add prototypes for new constructor.
	Add name member.
	* include/semaphore.h: Add prototypes for sem_open, sem_close,
	sem_timedwait and sem_getvalue.
	include/cygwin/version.h: Bump API minor number.
This commit is contained in:
Corinna Vinschen
2003-10-27 11:48:29 +00:00
parent d845665e0f
commit 072339664d
7 changed files with 297 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
winsup/cygwin/include/semaphore.h
View File

@ -30,9 +30,13 @@ extern "C"
/* Semaphores */
int sem_init (sem_t * sem, int pshared, unsigned int value);
int sem_destroy (sem_t * sem);
sem_t *sem_open (const char *name, int oflag, ...);
int sem_close (sem_t *sem);
int sem_wait (sem_t * sem);
int sem_trywait (sem_t * sem);
int sem_timedwait (sem_t * sem, const struct timespec *abstime);
int sem_post (sem_t * sem);
int sem_getvalue (sem_t * sem, int *sval);
#ifdef __cplusplus
}