pthread_rwlock_wrlock pthread_rwlock_trywrlock pthread_rwlock_timedwrlock //加写锁 pthread_rwlockattr_init pthread_rwlockattr_destory pthread_rwlockattr_getpshared pthread_rwlockattr_setpshared //父子进程间的共享 pthread_rwlockattr_getkin_np pthread_rwlockattr_setkind_np // 读优先还是写优先 t同一时...
intpthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr,intpshared); // 获取pshared属性 intpthread_rwlockattr_getpshared(pthread_rwlockattr_t *attr,int*pshared); 1. 创建 1 2 3 intpthread_rwlock_init(pthread_rwlock_t *rwlock,constpthread_rwlockattr_t *attr); pthread_rwlock_t rwlock =...
int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); 都返回:成功时为0,出错时为正的Exxx值 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr, int *valptr); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t...
pthread_rwlockattr_getpshared() was not successful.valueis set to indicate the error condition. Error Conditions Ifpthread_rwlockattr_getpshared() was not successful, the error condition returned usually indicates one of the following errors. Under some conditions, the value returned could indicate...
pthread_mutexattr_getpshared(const pthread_mutexattr_t* __attr, int* __shared); int pthread_mutexattr_gettype(const pthread_mutexattr_t* __attr, int* __type); int pthread_mutexattr_init(pthread_mutexattr_t* __attr); int pthread_mutexattr_setpshared...
int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); 都返回:成功时为0,出错时为正的Exxx值 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr, int *valptr); ...
rwlock->__data.__nr_writers_queued//当前的等待lock的writer个数是0||PTHREAD_RWLOCK_PREFER_READER_P(rwlock)))//或者iattr->lockkind不是PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP类型,默认是PTHREAD_RWLOCK_DEFAULT_NP{/* Increment the reader counter. Avoid overflow. */if(__glibc_unlikely(++...
对于pthread的属性,有__pthread_attr来描述: struct __pthread_attr ├── struct __sched_param __schedparam │ └── 表示线程的调度参数,通常包括调度优先级。调度参数在实时调度策略(如 SCHED_FIFO 和 SCHED_RR)中使用。 ├── void *__stackaddr ...
_pthread_mutexattr_destroy _pthread_mutexattr_getpshared _pthread_mutexattr_gettype _pthread_mutexattr_init _pthread_mutexattr_setpshared _pthread_mutexattr_settype _pthread_once _pthread_rwlock_destroy _pthread_rwlock_init _pthread_rwlock_rdlock ...
pthread_attr_ Thread attributes objects pthread_mutex_ Mutexes pthread_mutexattr_ Mutex attributes objects. pthread_cond_ Condition variables pthread_condattr_ Condition attributes objects pthread_key_ Thread-specific data keys pthread_rwlock_ Read/write locks pthread_barrier_ Synchronization barriers The ...