WebThe pthread.h header file contains function declarations and mappings for threading interfaces and defines a number of constants used by those functions. The header includes the sched.h header. When _UNIX03_THREADS is defined, pthread.h also includes the time.h header. For _OPEN_THREADS applications, pthread.h defines the timespec and … WebApr 3, 2024 · pthread.h中的函数. 参考pthrad.h中的函数以及man手册，列举了 pthread 库中的工具函数并做了分类。. pthread库中的重点当然是thread、mutex和condition。. 此外，pthread提供了读写锁、自旋锁的实现，以及控制多线程启动的pthread_barrier和线程全局变量 (thread_local)的实现 ...
pthread_getspecific(3THR) (Multithreaded Programming Guide) - Oracle
#include void *pthread_getspecific(pthread_key_t key); int pthread_setspecific(pthread_key_t key, const void *value); See more The pthread_getspecific() function shall return the value currently bound to the specified keyon behalf of the calling thread. The pthread_setspecific() function shall associate a thread-specific value with a key obtained … See more Performance and ease-of-use of pthread_getspecific() are critical for functions that rely on maintaining state in thread-specific data. Since noerrors are required to be detected by it, and since the only error that could … See more The pthread_getspecific() function shall return the thread-specific data value associated with the given key. If no thread-specific data valueis … See more No errors are returned from pthread_getspecific(). The pthread_setspecific() function shall fail if: ENOMEM 1. Insufficient memory exists to associate the value … See more Web} Note that the key has to be initialized before pthread_getspecific() or pthread_setspecific() can be used. The pthread_key_create() call could either be explicitly made in a module initialization routine, or it can be done implicitly by the first call to a module as in this example. Any attempt to use the key before it is initialized is a ... hayward cat 4000 capacity
pthread_getspecific(3p) - Linux manual page
Webint pthread_setspecific(pthread_key_t key, const void *pointer) void * pthread_getspecific(pthread_key_t key) 写入（pthread_setspecific()）时，将pointer的值（不是所指的内容）与key相关联， 而相应的读出函数则将与key相关联的数据读出来。数据类型都设为void *，因此可以指向任何类型的数据。 WebNov 18, 2011 · Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. Web2 days ago · Viewed 6 times. -1. I am making a program that solves the dining philosophers problem and i get a segmentation fault when i try to lock my mutex. I am not allowed to use global variables so i have to kinda move my mutexes around with pointers, i feel like the way i do it is pretty janky and i'm kinda lost in my own code. here's the important ... hayward cat 4000 cell