sema_destroy man page on Tru64

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sema_destroy(3scl)					    sema_destroy(3scl)

NAME
       sema_destroy - Destroys a semaphore.

LIBRARY
       SCL Threads Library (libthread.so)

SYNOPSIS
       #include <synch.h>

       int sema_destroy(
			 sema_t *semp );

PARAMETERS
       Pointer to the semaphore to be destroyed.

DESCRIPTION
       This routine destroys the specified semaphore.

SCL IMPLEMENTATION NOTES
       sema_destroy(3scl) is implemented by calling sem_destroy(3).

       On Solaris, sema_destroy() seems to return 0 if the specified semaphore
       is invalid (un-initialized). Thus  if  sem_destroy(3)  returns  EINVAL,
       sema_destroy(3scl) returns 0 and writes an error-mapping message to the
       SCL errorlog.

RETURN VALUES
       If an error condition occurs, this routine  returns  an	integer	 value
       indicating the type of error.

       Additional  error  return  information  may be written to the SCL error
       log.  Refer to scl_error_log(4scl) for details.

       Possible return values are as follows: Successful completion. Or:

       Error EINVAL from sem_destroy(3). An error-mapping message  is  written
       to  the SCL errorlog.  An internal implementation error occurred. Refer
       to the SCL errorlog for additional information.

       Note: EFAULT is not returned if semp is an illegal address. An  illegal
       address	generates  a  SIGSEGV  signal, which by default will abort the
       process and generate a core dump.

ERRORS
       None.

RELATED INFORMATION
       Functions:  scl_intro(3scl),  scl_thread_intro(3scl),   sem_destroy(3),
       sema_init(3scl), sema_post(3scl), sema_trywait(3scl), sema_wait(3scl)

       Files: scl_error_log(4scl)

       Manuals: Solaris Compatibility Libraries User's Guide

							    sema_destroy(3scl)
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