1 /* Synchronous I/O multiplexing. Linux 32-bit time fallback.
2 Copyright (C) 2020-2021 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
__pselect32(int nfds,fd_set * readfds,fd_set * writefds,fd_set * exceptfds,const struct __timespec64 * timeout,const sigset_t * sigmask)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
42