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Update.

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2000-07-18 Kaz Kylheku <kaz@ashi.footprints.net>

	* spinlock.c (__pthread_alt_lock, __pthread_alt_timedlock): Fixed
	bug whereby thr field of waitnode structure would not be correctly
	set unless a null self pointer is passed to the functions.
	Eliminated redundant calls to thread_self().
This commit is contained in:
Ulrich Drepper
2000-07-18 17:18:38 +00:00
parent e862aada83
commit e6574c9ca2
9 changed files with 29 additions and 25 deletions
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7
linuxthreads/ChangeLog
View File

@@ -1,3 +1,10 @@
2000-07-18 Kaz Kylheku <kaz@ashi.footprints.net>
* spinlock.c (__pthread_alt_lock, __pthread_alt_timedlock): Fixed
bug whereby thr field of waitnode structure would not be correctly
set unless a null self pointer is passed to the functions.
Eliminated redundant calls to thread_self().
2000-07-18 Jakub Jelinek <jakub@redhat.com>
* pthread.c (__pthread_initialize_manager): Lock

11
linuxthreads/spinlock.c
View File

@@ -345,7 +345,7 @@ static void wait_node_dequeue(struct wait_node **pp_head,
if (pp_node == pp_head) {
long oldvalue = (long) p_node;
long newvalue = (long) p_node->next;
if (__compare_and_swap((long *) pp_node, oldvalue, newvalue))
return;
@@ -388,7 +388,7 @@ void __pthread_alt_lock(struct _pthread_fastlock * lock,
wait_node.abandoned = 0;
wait_node.next = (struct wait_node *) lock->__status;
wait_node.thr = self = thread_self();
wait_node.thr = self;
suspend_needed = 1;
}
@@ -408,7 +408,8 @@ void __pthread_alt_lock(struct _pthread_fastlock * lock,
newstatus = 1;
} else {
if (self == NULL)
wait_node.thr = self = thread_self();
self = thread_self();
wait_node.thr = self;
newstatus = (long) &wait_node;
}
wait_node.abandoned = 0;
@@ -461,7 +462,7 @@ int __pthread_alt_timedlock(struct _pthread_fastlock * lock,
p_wait_node->abandoned = 0;
p_wait_node->next = (struct wait_node *) lock->__status;
p_wait_node->thr = self = thread_self();
p_wait_node->thr = self;
}
WRITE_MEMORY_BARRIER();
@@ -478,7 +479,7 @@ int __pthread_alt_timedlock(struct _pthread_fastlock * lock,
newstatus = 1;
} else {
if (self == NULL)
p_wait_node->thr = self = thread_self();
p_wait_node->thr = self;
newstatus = (long) p_wait_node;
}
p_wait_node->abandoned = 0;