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NetBSD 6.1.5 - man page for pthread_exit (netbsd section 3)

PTHREAD_EXIT(3) 		   BSD Library Functions Manual 		  PTHREAD_EXIT(3)

NAME
     pthread_exit -- terminate the calling thread

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     void
     pthread_exit(void *value_ptr);

DESCRIPTION
     The pthread_exit() function terminates the calling thread and makes the value value_ptr
     available to any successful join with the terminating thread.  Any cancellation cleanup han-
     dlers that have been pushed and are not yet popped are popped in the reverse order that they
     were pushed and then executed.  After all cancellation handlers have been executed, if the
     thread has any thread-specific data, appropriate destructor functions are called in an
     unspecified order.  Thread termination does not release any application visible process
     resources, including, but not limited to, mutexes and file descriptors, nor does it perform
     any process level cleanup actions, including, but not limited to, calling atexit() routines
     that may exist.

     An implicit call to pthread_exit() is made when a thread other than the thread in which
     main() was first invoked returns from the start routine that was used to create it.  The
     function's return value serves as the thread's exit status.

     The behavior of pthread_exit() is undefined if called from a cancellation handler or
     destructor function that was invoked as the result of an implicit or explicit call to
     pthread_exit().

     After a thread has terminated, the result of access to local (auto) variables of the thread
     is undefined.  Thus, references to local variables of the exiting thread should not be used
     for the pthread_exit() value_ptr parameter value.

     The process will exit with an exit status of 0 after the last thread has been terminated.
     The behavior is as if the implementation called exit() with a zero argument at thread termi-
     nation time.

RETURN VALUES
     The pthread_exit() function cannot return to its caller.

ERRORS
     None.

SEE ALSO
     _exit(2), exit(3), pthread_create(3), pthread_join(3)

STANDARDS
     The function conforms to IEEE Std 1003.1-2001 (``POSIX.1'').

BSD					   July 9, 2010 				      BSD


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