pthread_testcancel(3) — Linux manual page

pthread_testcancel(3)    Library Functions Manual   pthread_testcancel(3)

NAME         top

       pthread_testcancel - request delivery of any pending cancelation
       request

LIBRARY         top

       POSIX threads library (libpthread, -lpthread)

SYNOPSIS         top

       #include <pthread.h>

       void pthread_testcancel(void);

DESCRIPTION         top

       Calling pthread_testcancel() creates a cancelation point within
       the calling thread, so that a thread that is otherwise executing
       code that contains no cancelation points will respond to a
       cancelation request.

       If cancelability is disabled (using pthread_setcancelstate(3)), or
       no cancelation request is pending, then a call to
       pthread_testcancel() has no effect.

RETURN VALUE         top

       This function does not return a value.  If the calling thread is
       canceled as a consequence of a call to this function, then the
       function does not return.

ERRORS         top

       This function always succeeds.

ATTRIBUTES         top

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌──────────────────────────────────────┬───────────────┬─────────┐
       │ Interface                            │ Attribute     │ Value   │
       ├──────────────────────────────────────┼───────────────┼─────────┤
       │ pthread_testcancel()                 │ Thread safety │ MT-Safe │
       └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS         top

       POSIX.1-2008.

HISTORY         top

       glibc 2.0.  POSIX.1-2001.

EXAMPLES         top

       See pthread_cleanup_push(3).

SEE ALSO         top

       pthread_cancel(3), pthread_cleanup_push(3),
       pthread_setcancelstate(3), pthreads(7)

COLOPHON         top

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Linux man-pages 6.15            2025-05-17          pthread_testcancel(3)

Pages that refer to this page: pthread_cancel(3),  pthread_cleanup_push(3),  pthread_cleanup_push_defer_np(3),  pthread_key_create(3),  pthread_setcancelstate(3),  pthreads(7)

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