pthread_exit(3) [osx man page]

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

NAME

     pthread_exit -- terminate the calling thread

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 handlers 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 rou-
     tine 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 vari-
     ables 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 termination 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

     pthread_exit() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').

BSD
								   April 4, 1996							       BSD

pthread_exit(3T)														  pthread_exit(3T)

NAME

       pthread_exit() - cause the calling thread to terminate

SYNOPSIS

PARAMETERS

	      value_ptr The calling thread's exit status.

DESCRIPTION

       terminates the calling thread.  The calling thread returns an exit status in value_ptr.	This value is returned to a joining thread calling
       on the terminating thread.  Only threads created with the detachstate attribute value can return an exit status to The  exit  status  of  a
       detached thread is lost when the thread terminates.

       When a thread terminates, process-shared resources are not released.  Examples of process-shared resources include mutexes, condition vari-
       ables, semaphores, message queue descriptors, and file descriptors.  The routines are not called when a thread  terminates  as  this  is  a
       process termination action.

       An  implicit  call to is made when a thread returns from its start routine.  The function's return value serves as the thread's exit status
       (see pthread_create(3T)).  If the main thread returns from without calling the process will exit using the return value from  as  the  exit
       status.	 If  the  main	thread calls the process will continue executing until the last thread terminates or a thread calls After the last
       thread in the process terminates, the process will exit with an exit status of zero.

       Any installed cancellation cleanup handlers will be popped and executed in the reverse order that they were installed.  After the cancella-
       tion  cleanup handlers have been executed, if the thread has any non-NULL thread-specific data values with associated destructor functions,
       the destructor functions are called.  The order in which these destructor functions are called is unspecified.

       Calling from a cancellation cleanup handler or destructor function that was invoked because of  thread  termination  results  in  undefined
       behavior.

       After  a  thread  has terminated, the result of access to local (auto) variables of the thread is undefined.  The terminating thread should
       not use local variables for the value_ptr parameter value.

RETURN VALUE

       None.

ERRORS

       None, this function does not return.

AUTHOR

       was derived from the IEEE POSIX P1003.1c standard.

SEE ALSO

       pthread_create(3T), pthread_join(3T), exit(2), wait(2).

STANDARDS CONFORMANCE

								  Pthread Library						  pthread_exit(3T)