1 /* Copyright (C) 2003-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
21 #include <sysdep-cancel.h>
22 #include <kernel-features.h>
23 #include "kernel-posix-cpu-timers.h"
26 /* We can simply use the syscall. The CPU clocks are not supported
27 with this function. */
29 __clock_nanosleep (clockid_t clock_id
, int flags
, const struct timespec
*req
,
32 INTERNAL_SYSCALL_DECL (err
);
35 if (clock_id
== CLOCK_THREAD_CPUTIME_ID
)
37 if (clock_id
== CLOCK_PROCESS_CPUTIME_ID
)
38 clock_id
= MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED
);
41 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
);
52 return (INTERNAL_SYSCALL_ERROR_P (r
, err
)
53 ? INTERNAL_SYSCALL_ERRNO (r
, err
) : 0);
55 weak_alias (__clock_nanosleep
, clock_nanosleep
)