1/* Copyright (C) 1995-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
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/sem.h>
20#include <ipc_priv.h>
21#include <sysdep.h>
22#include <errno.h>
23
24/* Perform user-defined atomical operation of array of semaphores. */
25int
26__semtimedop64 (int semid, struct sembuf *sops, size_t nsops,
27 const struct __timespec64 *timeout)
28{
29 int r;
30#if defined __NR_semtimedop_time64
31 r = INLINE_SYSCALL_CALL (semtimedop_time64, semid, sops, nsops, timeout);
32#elif defined __ASSUME_DIRECT_SYSVIPC_SYSCALLS && defined __NR_semtimedop
33 r = INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, timeout);
34#else
35 r = INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid,
36 SEMTIMEDOP_IPC_ARGS (nsops, sops, timeout));
37#endif
38
39#ifndef __ASSUME_TIME64_SYSCALLS
40 if (r == 0 || errno != ENOSYS)
41 return r;
42
43 struct timespec ts32, *pts32 = NULL;
44 if (timeout != NULL)
45 {
46 if (! in_time_t_range (timeout->tv_sec))
47 {
48 __set_errno (EINVAL);
49 return -1;
50 }
51 ts32 = valid_timespec64_to_timespec (*timeout);
52 pts32 = &ts32;
53 }
54# if defined __ASSUME_DIRECT_SYSVIPC_SYSCALLS
55 r = INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, pts32);
56# else
57 r = INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid,
58 SEMTIMEDOP_IPC_ARGS (nsops, sops, pts32));
59# endif
60#endif /* __ASSUME_TIME64_SYSCALLS */
61 return r;
62}
63#if __TIMESIZE != 64
64libc_hidden_def (__semtimedop64)
65
66int
67__semtimedop (int semid, struct sembuf *sops, size_t nsops,
68 const struct timespec *timeout)
69{
70 struct __timespec64 ts64, *pts64 = NULL;
71 if (timeout != NULL)
72 {
73 ts64 = valid_timespec_to_timespec64 (*timeout);
74 pts64 = &ts64;
75 }
76 return __semtimedop64 (semid, sops, nsops, pts64);
77}
78#endif
79weak_alias (__semtimedop, semtimedop)
80