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pthread_cancel(3c)
Standard C Library Functions pthread_cancel(3C)
NAME
pthread_cancel - cancel execution of a thread
SYNOPSIS
#include <pthread.h>
int pthread_cancel(pthread_t target_thread);
DESCRIPTION
The pthread_cancel() function requests that target_thread be canceled.
By default, cancellation is deferred until target_thread reaches a can‐
cellation point. See cancellation(7).
Cancellation cleanup handlers for target_thread are called when the
cancellation is acted on. Upon return of the last cancellation cleanup
handler, the thread-specific data destructor functions are called for
target_thread. target_thread is terminated when the last destructor
function returns.
A thread acting on a cancellation request runs with all signals
blocked. All thread termination functions, including cancellation
cleanup handlers and thread-specific data destructor functions, are
called with all signals blocked.
The cancellation processing in target_thread runs asynchronously with
respect to the calling thread returning from pthread_cancel().
RETURN VALUES
If successful, the pthread_cancel() function returns 0. Otherwise, an
error number might be returned to indicate the error. It is not an
error for the target thread to be a zombie thread.
ERRORS
The pthread_cancel() function may fail if:
ESRCH No thread was found with an ID corresponding to that specified
by the given thread ID, target_thread.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelMT-Safe _ Stan‐
dardSee standards(7).
SEE ALSO
pthread_cleanup_pop(3C), pthread_cleanup_push(3C), pthread_cond_timed‐
wait(3C), pthread_cond_wait(3C), pthread_exit(3C), pthread_join(3C),
pthread_setcancelstate(3C), pthread_setcanceltype(3C), pthread_testcan‐
cel(3C), setjmp(3C), attributes(7), cancellation(7), condition(7),
standards(7)
NOTES
See cancellation(7) for a discussion of cancellation concepts.
Oracle Solaris 11.4 21 Dec 2016 pthread_cancel(3C)