74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2019 Philippe Gerum <rpm@xenomai.org>
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*/
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#ifndef _EVL_ESHI_EVENT_H
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#define _EVL_ESHI_EVENT_H
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#include <time.h>
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#include <errno.h>
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#include <evl/atomic.h>
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#include <evl/mutex.h>
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struct evl_event {
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unsigned int magic;
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union {
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struct {
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int fd;
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pthread_cond_t cond;
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} active;
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struct {
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const char *name;
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int clockfd;
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int flags;
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} uninit;
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};
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};
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#define __EVENT_UNINIT_MAGIC 0x01770177
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#define EVL_EVENT_INITIALIZER(__name, __clockfd, __flags) { \
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.magic = __EVENT_UNINIT_MAGIC, \
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.uninit = { \
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.name = (__name), \
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.clockfd = (__clockfd), \
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.flags = (__flags), \
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} \
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}
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#define evl_new_event(__evt, __fmt, __args...) \
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evl_create_event(__evt, EVL_CLOCK_MONOTONIC, \
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0, __fmt, ##__args)
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#ifdef __cplusplus
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extern "C" {
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#endif
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int evl_create_event(struct evl_event *evt,
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int clockfd, int flags,
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const char *fmt, ...);
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int evl_open_event(struct evl_event *evt,
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const char *fmt, ...);
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int evl_wait_event(struct evl_event *evt,
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struct evl_mutex *mutex);
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int evl_timedwait_event(struct evl_event *evt,
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struct evl_mutex *mutex,
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const struct timespec *timeout);
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int evl_signal_event(struct evl_event *evt);
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int evl_broadcast_event(struct evl_event *evt);
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int evl_close_event(struct evl_event *evt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _EVL_ESHI_EVENT_H */
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