WebCurrent Weather. 4:15 AM. 38° F. RealFeel® 31°. Air Quality Fair. Wind SW 9 mph. Wind Gusts 9 mph. Clear More Details. WebOct 5, 2014 · 2. pthread_attr_init is used to initialise a thread attributes structure, which can then be passed to pthread_create. If you are creating threads with default attributes, you …
多线程使用基础篇(二) - pthread_create() pthread_attr_init() pthread_attr …
The program below optionally makes use of pthread_attr_init () and various related functions to initialize a thread attributes object that is used to create a single thread. Once created, the thread uses the pthread_getattr_np (3) function (a nonstandard GNU extension) to retrieve the thread's attributes, and then displays those attributes. WebThe pthread_getattr_np () function initializes the thread attributes object referred to by attr so that it contains actual attribute values describing the running thread thread . The returned attribute values may differ from the corresponding attribute values passed in the attr object that was used to create the thread using pthread_create (3 ... brooks brothers men\u0027s sandals
WebExplanation: The attr argument points to a pthread_attr_t structure whose contents are used at thread creation time to determine attributes for the new thread; this structure is initialized using pthread_attr_init (3) and related functions. If attr is NULL, then the thread is created with default attributes. Which is very unclear. WebAug 9, 2011 · 有两种方式初始化一个互斥锁:第一种,利用已经定义的常量初始化,例如. pthread_mutex_t mymutex = PTHREAD_MUTEX_INITIALIZER; 第二种方式是调用 pthread_mutex_init (mutex,attr) 进行初始化. 当多个线程同时去锁定同一个互斥锁时,失败的那些线程,如果是用 pthread_mutex_lock 函数 ... brooks brothers men\u0027s pants fit guide