69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/**
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* @file missing.h
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* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* When glibc offers the syscall, this will go away.
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*/
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#ifndef HAVE_MISSING_H
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#define HAVE_MISSING_H
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#include <time.h>
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#include <sys/syscall.h>
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#include <sys/timex.h>
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#include <unistd.h>
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#ifndef ADJ_NANO
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#define ADJ_NANO 0x2000
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#endif
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#ifndef ADJ_SETOFFSET
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#define ADJ_SETOFFSET 0x0100
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#endif
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#ifndef CLOCK_INVALID
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#define CLOCK_INVALID -1
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#endif
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#define CLOCKFD 3
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#define FD_TO_CLOCKID(fd) ((~(clockid_t) (fd) << 3) | CLOCKFD)
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#define CLOCKID_TO_FD(clk) ((unsigned int) ~((clk) >> 3))
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static inline int clock_adjtime(clockid_t id, struct timex *tx)
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{
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return syscall(__NR_clock_adjtime, id, tx);
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}
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#ifdef __uClinux__
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static inline int timerfd_create(int clockid, int flags)
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{
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return syscall(__NR_timerfd_create, clockid, flags);
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}
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static inline int timerfd_settime(int fd, int flags,
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const struct itimerspec *new_value,
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struct itimerspec *old_value)
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{
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return syscall(__NR_timerfd_settime, fd, flags, new_value, old_value);
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}
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#endif
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#endif
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