svn commit: trunk/uClibc/libpthread/linuxthreads

vapier at uclibc.org vapier at uclibc.org
Thu Sep 8 03:00:12 UTC 2005


Author: vapier
Date: 2005-09-07 20:00:11 -0700 (Wed, 07 Sep 2005)
New Revision: 11380

Log:
sync with glibc and remove duplicated SEM_VALUE_MAX define

Modified:
   trunk/uClibc/libpthread/linuxthreads/oldsemaphore.c


Changeset:
Modified: trunk/uClibc/libpthread/linuxthreads/oldsemaphore.c
===================================================================
--- trunk/uClibc/libpthread/linuxthreads/oldsemaphore.c	2005-09-08 02:59:43 UTC (rev 11379)
+++ trunk/uClibc/libpthread/linuxthreads/oldsemaphore.c	2005-09-08 03:00:11 UTC (rev 11380)
@@ -32,9 +32,6 @@
     int sem_spinlock;
 } old_sem_t;
 
-/* Maximum value the semaphore can have.  */
-#define SEM_VALUE_MAX   ((int) ((~0u) >> 1))
-
 static inline int sem_compare_and_swap(old_sem_t *sem, long oldval, long newval)
 {
     return compare_and_swap(&sem->sem_status, oldval, newval, &sem->sem_spinlock);
@@ -63,7 +60,7 @@
 	errno = ENOSYS;
 	return -1;
     }
-  sem->sem_spinlock = 0;
+  sem->sem_spinlock = __LT_SPINLOCK_INIT;
   sem->sem_status = ((long)value << 1) + 1;
   return 0;
 }
@@ -90,7 +87,7 @@
 
     while (1) {
 	/* Register extrication interface */
-	__pthread_set_own_extricate_if(self, &extr); 
+	__pthread_set_own_extricate_if(self, &extr);
 	do {
             oldstatus = sem->sem_status;
             if ((oldstatus & 1) && (oldstatus != 1))
@@ -103,12 +100,13 @@
 	while (! sem_compare_and_swap(sem, oldstatus, newstatus));
 	if (newstatus & 1) {
 	    /* We got the semaphore. */
-	  __pthread_set_own_extricate_if(self, 0); 
+	    __pthread_set_own_extricate_if(self, 0);
+	    self->p_nextwaiting = NULL;
 	    return 0;
 	}
 	/* Wait for sem_post or cancellation */
 	suspend(self);
-	__pthread_set_own_extricate_if(self, 0); 
+	__pthread_set_own_extricate_if(self, 0);
 
 	/* This is a cancellation point */
 	if (self->p_canceled && self->p_cancelstate == PTHREAD_CANCEL_ENABLE) {




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