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39 lines
918 B
C
39 lines
918 B
C
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#ifndef TIMERFD_CTX_H_
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#define TIMERFD_CTX_H_
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#include "fix.h"
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#include <stdatomic.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <time.h>
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typedef struct {
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int kq; // non owning
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int flags;
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pthread_mutex_t mutex;
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int clockid;
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/*
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* Next expiration time, absolute (clock given by clockid).
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* If it_interval is != 0, it is a periodic timer.
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* If it_value is == 0, the timer is disarmed.
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*/
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struct itimerspec current_itimerspec;
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uint64_t nr_expirations;
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} TimerFDCtx;
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errno_t timerfd_ctx_init(TimerFDCtx *timerfd, int kq, int clockid);
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errno_t timerfd_ctx_terminate(TimerFDCtx *timerfd);
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errno_t timerfd_ctx_settime(TimerFDCtx *timerfd, int flags,
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struct itimerspec const *new, struct itimerspec *old);
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errno_t timerfd_ctx_gettime(TimerFDCtx *timerfd, struct itimerspec *cur);
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errno_t timerfd_ctx_read(TimerFDCtx *timerfd, uint64_t *value);
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#endif
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