| /* Copyright (C) 2003-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <time.h> |
| #include <errno.h> |
| |
| #include <sysdep-cancel.h> |
| #include <kernel-features.h> |
| #include "kernel-posix-cpu-timers.h" |
| |
| |
| /* We can simply use the syscall. The CPU clocks are not supported |
| with this function. */ |
| int |
| __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, |
| struct timespec *rem) |
| { |
| INTERNAL_SYSCALL_DECL (err); |
| int r; |
| |
| if (clock_id == CLOCK_THREAD_CPUTIME_ID) |
| return EINVAL; |
| if (clock_id == CLOCK_PROCESS_CPUTIME_ID) |
| clock_id = MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED); |
| |
| if (SINGLE_THREAD_P) |
| r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, rem); |
| else |
| { |
| int oldstate = LIBC_CANCEL_ASYNC (); |
| |
| r = INTERNAL_SYSCALL (clock_nanosleep, err, 4, clock_id, flags, req, |
| rem); |
| |
| LIBC_CANCEL_RESET (oldstate); |
| } |
| |
| return (INTERNAL_SYSCALL_ERROR_P (r, err) |
| ? INTERNAL_SYSCALL_ERRNO (r, err) : 0); |
| } |
| weak_alias (__clock_nanosleep, clock_nanosleep) |
