1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
3 The GNU C Library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Lesser General Public
5 License as published by the Free Software Foundation; either
6 version 2.1 of the License, or (at your option) any later version.
8 The GNU C Library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Lesser General Public License for more details.
13 You should have received a copy of the GNU Lesser General Public
14 License along with the GNU C Library; if not, see
15 <http://www.gnu.org/licenses/>. */
20 #include <sys/syscall.h>
22 #include "kernel-posix-cpu-timers.h"
25 /* We can simply use the syscall. The CPU clocks are not supported
26 with this function. */
28 clock_nanosleep (clockid_t clock_id
, int flags
, const struct timespec
*req
,
31 INTERNAL_SYSCALL_DECL (err
);
34 if (clock_id
== CLOCK_THREAD_CPUTIME_ID
)
36 if (clock_id
== CLOCK_PROCESS_CPUTIME_ID
)
37 clock_id
= MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED
);
40 r
= INTERNAL_SYSCALL (clock_nanosleep
, err
, 4, clock_id
, flags
, req
, rem
);
44 int oldstate
= LIBC_CANCEL_ASYNC ();
46 r
= INTERNAL_SYSCALL (clock_nanosleep
, err
, 4, clock_id
, flags
, req
,
49 LIBC_CANCEL_RESET (oldstate
);
53 return (INTERNAL_SYSCALL_ERROR_P (r
, err
)
54 ? INTERNAL_SYSCALL_ERRNO (r
, err
) : 0);