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

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* 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
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3
winsup/cygwin/include/cygwin/version.h
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@ -221,13 +221,14 @@ details. */
optreset, __check_rhosts_file, __rcmd_errstr.
95: Export shmat, shmctl, shmdt, shmget.
96: CW_GET_ERRNO_FROM_WINERROR addition to external.cc
97: Export sem_open, sem_close, sem_timedwait, sem_getvalue.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 96
#define CYGWIN_VERSION_API_MINOR 97
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible