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* Replaced all instances of benaphores in the kernel code by mutexes.

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* Removed kernel benaphores.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25690 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-05-29 02:08:23 +00:00
parent 1c18a5df87
commit 2b07b8e0f1
61 changed files with 490 additions and 645 deletions
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headers/private/kernel/lock.h
-37
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@@ -38,12 +38,6 @@ typedef struct recursive_lock {
} recursive_lock;
typedef struct benaphore {
sem_id sem;
int32 count;
} benaphore;
struct rw_lock_waiter;
typedef struct rw_lock {
@@ -81,37 +75,6 @@ extern status_t recursive_lock_lock(recursive_lock *lock);
extern void recursive_lock_unlock(recursive_lock *lock);
extern int32 recursive_lock_get_recursion(recursive_lock *lock);
extern status_t benaphore_init(benaphore *ben, const char *name);
extern void benaphore_destroy(benaphore *ben);
static inline status_t
benaphore_lock(benaphore *ben)
{
#ifdef KDEBUG
return acquire_sem(ben->sem);
#else
if (atomic_add(&ben->count, -1) <= 0)
return acquire_sem(ben->sem);
return B_OK;
#endif
}
static inline status_t
benaphore_unlock(benaphore *ben)
{
#ifdef KDEBUG
return release_sem(ben->sem);
#else
if (atomic_add(&ben->count, 1) < 0)
return release_sem(ben->sem);
return B_OK;
#endif
}
extern void rw_lock_init(rw_lock* lock, const char* name);
// name is *not* cloned nor freed in rw_lock_destroy()
extern void rw_lock_init_etc(rw_lock* lock, const char* name, uint32 flags);