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PTHREAD_GETNAME_NP(3) FreeBSD Library Functions Manual PTHREAD_GETNAME_NP(3) NAME pthread_getname_np, pthread_setname_np - get and set descriptive name of a thread LIBRARY POSIX Threads Library (libpthread, -lpthread) SYNOPSIS #include <pthread.h> int pthread_getname_np(pthread_t thread, char *name, size_t len); int pthread_setname_np(pthread_t thread, const char *name, void *arg); DESCRIPTION The pthread_getname_np() function obtains the descriptive name of a thread. It takes the following arguments: thread The thread whose descriptive name will be obtained. name The buffer to be filled with the descriptive name of the thread. len The size of the buffer name in bytes. The pthread_setname_np() function sets the descriptive name of a thread. It takes the following arguments: thread The thread whose descriptive name will be set. name The printf(3) format string to be used to construct the descriptive name of the thread. The resulted descriptive name should be shorter than PTHREAD_MAX_NAMELEN_NP. arg The printf(3) argument used with name. RETURN VALUES Both functions return 0 on success. Otherwise, an error number is returned to indicate the error. COMPATIBILITY Both functions are non-standard extensions. ERRORS Both functions may fail if: [EINVAL] Invalid parameter. [ESRCH] Non-existent thread. The pthread_setname_np() function may also fail if: [ENOMEM] There was insufficient memory for the operation. SEE ALSO pthread_attr_get_np(3), pthread_attr_getname_np(3) FreeBSD 14.1-RELEASE-p8 July 9, 2010 FreeBSD 14.1-RELEASE-p8