sigsuspend.c 834 B

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * sigsuspend() for uClibc
  4. *
  5. * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  6. *
  7. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  8. */
  9. #include "syscalls.h"
  10. #include <signal.h>
  11. #undef sigsuspend
  12. libc_hidden_proto(sigsuspend)
  13. #ifdef __NR_rt_sigsuspend
  14. # define __NR___rt_sigsuspend __NR_rt_sigsuspend
  15. static inline _syscall2(int, __rt_sigsuspend, const sigset_t *, mask, size_t, size);
  16. int sigsuspend(const sigset_t * mask)
  17. {
  18. return __rt_sigsuspend(mask, _NSIG / 8);
  19. }
  20. #else
  21. # define __NR___syscall_sigsuspend __NR_sigsuspend
  22. static inline _syscall3(int, __syscall_sigsuspend, int, a, unsigned long int, b,
  23. unsigned long int, c);
  24. int sigsuspend(const sigset_t * set)
  25. {
  26. return __syscall_sigsuspend(0, 0, set->__val[0]);
  27. }
  28. #endif
  29. libc_hidden_def(sigsuspend)