互斥锁

互斥锁初始化

函数原型int pthread_mutex_init(pthread_mutex_t *mutex,const pthread_mutexattr_t *mutexattr)

表头文件:#include <pthread.h>

mutex:互斥锁

mutexattr:PTHREAD_MUTEX_INITIALIZER创建快速互斥锁

PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP:创建递归互斥锁

PTHREAD_ERRORCHECK_MUTEX_INITIALIZER:创建检错互斥锁

成功返回0，失败返回-1

互斥操作函数

int pthread_mutex_lock(pthread_mutex_t *mutex);

int pthread_mutex_trylock(pthread_mutex_t *mutex);

int pthread_mutex_unlock(pthread_mutex_t *mutex);

int pthread_mutex_destroy(pthread_mutex_t *mutex);