contrib/opie/libmissing/sigaddset.c

   1 /* sigaddset.c: A replacement for the sigaddset function
   2
   3 %%% copyright-cmetz
   4 This software is Copyright 1996 by Craig Metz, All Rights Reserved.
   5 The Inner Net License Version 2 applies to this software.
   6 You should have received a copy of the license with this software. If
   7 you didn't get a copy, you may request one from <license@inner.net>.
   8
   9         History:
  10
  11         Created by cmetz for OPIE 2.2.
  12 */
  13
  14 #include "opie_cfg.h"
  15
  16 #ifndef _NSIG
  17 #ifdef NSIG
  18 #define _NSIG NSIG
  19 #else /* NSIG */
  20 #define _NSIG 32
  21 #endif /* NSIG */
  22 #endif /* _NSIG */
  23
  24 #include "opie.h"
  25
  26 int sigaddset FUNCTION((set, signum), sigset_t *set AND int signum)
  27 {
  28 #if sizeof(sigset_t) != sizeof(int)
  29 Sorry, we don't currently support your system.
  30 #else /* sizeof(sigset_t) != sizeof(int) */
  31         if (set && (signum > 0) && (signum < _NSIG))
  32                 *set |= 1 << (signum - 1);
  33 #endif /* sizeof(sigset_t) != sizeof(int) */
  34
  35         return 0;
  36 }