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* Retry in benaphore_lock() when interrupted.

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* Added TODO in benaphore_lock_etc().


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27359 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-09-07 15:27:14 +00:00
parent 61713fc607
commit 3c529bf7fe
1 changed files with 10 additions and 2 deletions
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headers/private/libroot/libroot_lock.h
+10 -2
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@@ -42,6 +42,8 @@ benaphore_init(benaphore *ben, const char *name)
static inline status_t
benaphore_lock_etc(benaphore *ben, uint32 flags, bigtime_t timeout)
{
// TODO: This function really shouldn't be used, since timeouts screw the
// benaphore behavior.
if (atomic_add(&ben->count, -1) <= 0)
return acquire_sem_etc(ben->sem, 1, flags, timeout);
@@ -52,8 +54,14 @@ benaphore_lock_etc(benaphore *ben, uint32 flags, bigtime_t timeout)
static inline status_t
benaphore_lock(benaphore *ben)
{
if (atomic_add(&ben->count, -1) <= 0)
return acquire_sem(ben->sem);
if (atomic_add(&ben->count, -1) <= 0) {
status_t error;
do {
error = acquire_sem(ben->sem);
} while (error == B_INTERRUPTED);
return error;
}
return B_OK;
}