gettid(2) — Справочная страница Linux

gettid(2)                  System Calls Manual                 gettid(2)

НАЗВАНИЕ

       gettid - get thread identification

БИБЛИОТЕКА

       Standard C library (libc, -lc)

СИНТАКСИС

       #define _GNU_SOURCE
       #include <unistd.h>

       pid_t gettid(void);

ОПИСАНИЕ

       gettid() returns the caller's thread ID (TID).  In a single-
       threaded process, the thread ID is equal to the process ID (PID,
       as returned by getpid(2)).  In a multithreaded process, all
       threads have the same PID, but each one has a unique TID.  For
       further details, see the discussion of CLONE_THREAD in clone(2).

ЗНАЧЕНИЕ, ВОЗВРАЩАЕМОЕ ФУНКЦИЕЙ

       On success, returns the thread ID of the calling thread.

ОШИБКИ

       This call is always successful.

СТАНДАРТЫ

       Linux.

ИСТОРИЯ

       Linux 2.4.11, glibc 2.30.

ПРИМЕЧАНИЯ

       The thread ID returned by this call is not the same thing as a
       POSIX thread ID (i.e., the opaque value returned by
       pthread_self(3)).

       In a new thread group created by a clone(2) call that does not
       specify the CLONE_THREAD flag (or, equivalently, a new process
       created by fork(2)), the new process is a thread group leader,
       and its thread group ID (the value returned by getpid(2)) is the
       same as its thread ID (the value returned by gettid()).

СМОТРИТЕ ТАКЖЕ

       capget(2), clone(2), fcntl(2), fork(2), get_robust_list(2),
       getpid(2), ioprio_set(2), perf_event_open(2),
       sched_setaffinity(2), sched_setparam(2), sched_setscheduler(2),
       tgkill(2), timer_create(2)

КОЛОФОН

       This page is part of the man-pages (Linux kernel and C library
       user-space interface documentation) project.  Information about
       the project can be found at 
       ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report
       for this manual page, see
       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
       This page was obtained from the tarball man-pages-6.9.1.tar.gz
       fetched from
       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
       2024-06-26.  If you discover any rendering problems in this HTML
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       part of the original manual page), send a mail to
       man-pages@man7.org

Linux man-pages 6.9.1          2024-05-02                      gettid(2)

Страницы, которые ссылаются на эту страницу: kill(1), strace(1), capget(2), clone(2), fcntl(2), futex(2), getpid(2), get_robust_list(2), ioprio_set(2), PR_SET_NAME(2const), ptrace(2), sched_setaffinity(2), sched_setparam(2), sched_setscheduler(2), seccomp(2), set_tid_address(2), syscalls(2), timer_create(2), tkill(2), id_t(3type), pthread_self(3), sd_event_new(3), proc_pid_status(5), proc_pid_task(5), cgroups(7), cpuset(7), pthreads(7)