1  /* Copyright (C) 1996-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <signal.h>
      19  #include <sysdep-cancel.h>
      20  
      21  /* Change the set of blocked signals to SET,
      22     wait until a signal arrives, and restore the set of blocked signals.  */
      23  int
      24  __sigsuspend (const sigset_t *set)
      25  {
      26    return SYSCALL_CANCEL (rt_sigsuspend, set, __NSIG_BYTES);
      27  }
      28  libc_hidden_def (__sigsuspend)
      29  weak_alias (__sigsuspend, sigsuspend)
      30  strong_alias (__sigsuspend, __libc_sigsuspend)