generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add pthread_rwlock_t implementation to the C library (DO NOT MERGE)

Browse Source 
Change-Id: I756d8c26afc37cd7b71117ddbaa02a2cb40fdecb
This commit is contained in:
David 'Digit' Turner
2010-05-11 16:39:22 -07:00
committed by Mathias Agopian
parent 8e1ee7fd01
commit 8a1d2cf142
4 changed files with 391 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
libc/include/pthread.h
View File

@@ -219,6 +219,41 @@ int pthread_cond_timeout_np(pthread_cond_t *cond,
*/
int pthread_mutex_lock_timeout_np(pthread_mutex_t *mutex, unsigned msecs);
/* read-write lock support */
typedef int pthread_rwlockattr_t;
typedef struct {
pthread_mutex_t lock;
pthread_cond_t cond;
int numLocks;
int writerThreadId;
int pendingReaders;
int pendingWriters;
void* reserved[4]; /* for future extensibility */
} pthread_rwlock_t;
#define PTHREAD_RWLOCK_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, 0, NULL, 0, 0 }
int pthread_rwlockattr_init(pthread_rwlockattr_t *attr);
int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);
int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr, int pshared);
int pthread_rwlockattr_getpshared(pthread_rwlockattr_t *attr, int *pshared);
int pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
int pthread_rwlock_destroy(pthread_rwlock_t *rwlock);
int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_timedrdlock(pthread_rwlock_t *rwlock, const struct timespec *abs_timeout);
int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_timedwrlock(pthread_rwlock_t *rwlock, const struct timespec *abs_timeout);
int pthread_rwlock_unlock(pthread_rwlock_t *rwlock);
int pthread_key_create(pthread_key_t *key, void (*destructor_function)(void *));
int pthread_key_delete (pthread_key_t);
int pthread_setspecific(pthread_key_t key, const void *value);