pthread_mutexattr_getpshared 语法

int	pthread_mutexattr_getpshared(pthread_mutexattr_t *mattr,

    int *pshared);

#include <pthread.h>



pthread_mutexattr_t mattr;

int pshared, ret;



/* get pshared of mutex */

ret = pthread_mutexattr_getpshared(&mattr, &pshared); 

此函数可为属性对象 mattr 获取 pshared 的当前值。该值为 PTHREAD_PROCESS_SHARED 或 PTHREAD_PROCESS_PRIVATE。