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RocketLink!--> Man page versions:
PTHREAD_CANCEL(3) OpenBSD Programmer's Manual PTHREAD_CANCEL(3)
NAME
pthread_cancel - cancel execution of a thread
SYNOPSIS
#include <pthread.h>
int
pthread_cancel(pthread_t thread);
DESCRIPTION
The pthread_cancel() function requests that thread be canceled. The tar-
get thread's cancelability state and type determines when the cancella-
tion takes effect. When the cancellation is acted on, the cancellation
cleanup handlers for thread are called. When the last cancellation
cleanup handler returns, the thread-specific data destructor functions
will be called for thread. When the last destructor function returns,
thread will be terminated.
The cancellation processing in the target thread runs asynchronously with
respect to the calling thread returning from pthread_cancel().
A status of PTHREAD_CANCELED is made available to any threads joining
with the target. The symbolic constant PTHREAD_CANCELED expands to a con-
stant expression of type (void *) , whose value matches no pointer to an
object in memory nor the value NULL.
RETURN VALUES
If successful, the pthread_cancel() functions will return zero. Other-
wise an error number will be returned to indicate the error.
ERRORS
pthread_cancel() will fail if:
[ESRCH] No thread could be found corresponding to that specified by
the given thread ID.
SEE ALSO
pthread_cleanup_pop(3), pthread_cleanup_push(3), pthread_exit(3),
pthread_join(3), pthread_setcancelstate(3), pthread_setcanceltype(3),
pthread_testcancel(3)
STANDARDS
pthread_cancel() conforms to ISO/IEC 9945-1 ANSI/IEEE (``POSIX'') Std
1003.1 Second Edition 1996-07-12.
OpenBSD 2.6 January 17, 1999 1
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts Institute of Technology, Free Software Foundation, FreeBSD Inc., and others. |
(Corrections, notes, and links courtesy of RocketAware.com)
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