(root)/
glibc-2.38/
sysdeps/
unix/
sysv/
linux/
pselect32.c
       1  /* Synchronous I/O multiplexing.  Linux 32-bit time fallback.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <sys/select.h>
      20  #include <sysdep-cancel.h>
      21  
      22  #ifndef __ASSUME_TIME64_SYSCALLS
      23  
      24  int
      25  __pselect32 (int nfds, fd_set *readfds, fd_set *writefds,
      26  	     fd_set *exceptfds, const struct __timespec64 *timeout,
      27  	     const sigset_t *sigmask)
      28  {
      29    struct timespec ts32, *pts32 = NULL;
      30    if (timeout != NULL)
      31      {
      32        ts32 = valid_timespec64_to_timespec (*timeout);
      33        pts32 = &ts32;
      34      }
      35  
      36    return SYSCALL_CANCEL (pselect6, nfds, readfds, writefds, exceptfds,
      37  			 pts32,
      38  			 ((__syscall_ulong_t[]){ (uintptr_t) sigmask,
      39  						 __NSIG_BYTES }));
      40  }
      41  #endif