pthread_testcancel − request delivery of any pending cancellation request #include<pthread.h> voidpthread_testcancel(void); Compile and link with −pthread. Calling creates a cancellation point within the calling thread, so that a thread that is otherwise executing code that contains no cancellation points will respond to a cancellation request. If cancelability is disabled (using or no cancellation request is pending, then a call to has no effect. 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. This function always succeeds. For an explanation of the terms used in this section, see ┌─────────────────────┬───────────────┬─────────┐ │Interface │ Attribute │ Value │ ├─────────────────────┼───────────────┼─────────┤ │ │ Thread safety │ MT‐Safe │ └─────────────────────┴───────────────┴─────────┘ POSIX.1‐2001, POSIX.1‐2008. See This page is part of release 5.07 of the Linux man‐pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man−pages/.