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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [sigdelset.c] - Blame information for rev 30

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1 30 unneback
/*
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 *  3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: sigdelset.c,v 1.2 2001-09-27 11:59:17 chris Exp $
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 */
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#include <pthread.h>
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#include <errno.h>
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#include <rtems/system.h>
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#include <rtems/posix/pthread.h>
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#include <rtems/posix/psignal.h>
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#include <rtems/posix/seterr.h>
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/*
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 *  3.3.3 Manipulate Signal Sets, P1003.1b-1993, p. 69
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 */
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int sigdelset(
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  sigset_t   *set,
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  int         signo
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)
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{
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  if ( !set )
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    set_errno_and_return_minus_one( EINVAL );
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  if ( !signo )
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    return 0;
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  if ( !is_valid_signo(signo) )
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    set_errno_and_return_minus_one( EINVAL );
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  *set &= ~signo_to_mask(signo);
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  return 0;
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}
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