068182e26c
First cut of a timerfd implementation. Still TODO: - fork/exec semantics - timerfd_settime TFD_TIMER_CANCEL_ON_SET flag - ioctl(TFD_IOC_SET_TICKS) - bug fixes Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/* sys/timerfd.h: define timerfd_create(2) and friends
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _SYS_TIMERFD_H
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#define _SYS_TIMERFD_H
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#include <time.h>
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#include <sys/_default_fcntl.h>
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#include <asm/socket.h>
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enum
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{
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/* timerfd_create */
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TFD_CLOEXEC = O_CLOEXEC,
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TFD_NONBLOCK = O_NONBLOCK,
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/* timerfd_settime */
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TFD_TIMER_ABSTIME = TIMER_ABSTIME,
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TFD_TIMER_CANCEL_ON_SET = (TIMER_ABSTIME << 1)
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};
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#define TFD_CLOEXEC TFD_CLOEXEC
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#define TFD_NONBLOCK TFD_NONBLOCK
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#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME
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#define TFD_TIMER_CANCEL_ON_SET TFD_TIMER_CANCEL_ON_SET
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#define TFD_IOC_SET_TICKS _IOW('T', 0, __uint64_t)
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int timerfd_create (clockid_t, int);
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extern int timerfd_settime (int, int, const struct itimerspec *,
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struct itimerspec *);
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extern int timerfd_gettime (int, struct itimerspec *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_TIMERFD_H */
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