87 lines
1.7 KiB
C
87 lines
1.7 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_FLAGS_H
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#define _EVL_FLAGS_H
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#include <time.h>
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#include <evl/atomic.h>
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#include <linux/types.h>
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#include <uapi/evl/types.h>
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#include <uapi/evl/monitor.h>
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#include <uapi/evl/clock.h>
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#include <uapi/evl/factory.h>
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struct evl_flags {
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unsigned int magic;
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union {
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struct {
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const char *name;
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int clockfd;
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int initval;
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int flags;
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} uninit;
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struct {
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fundle_t fundle;
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struct evl_monitor_state *state;
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int efd;
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} active;
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} u;
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};
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#define __FLAGS_UNINIT_MAGIC 0xfebcfebc
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#define EVL_FLAGS_INITIALIZER(__name, __clockfd, __initval, __flags) { \
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.magic = __FLAGS_UNINIT_MAGIC, \
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.u = { \
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.uninit = { \
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.name = (__name), \
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.clockfd = (__clockfd), \
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.initval = (__initval), \
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.flags = (__flags), \
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} \
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} \
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}
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#define evl_new_flags(__flg, __fmt, __args...) \
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evl_create_flags(__flg, EVL_CLOCK_MONOTONIC, 0, \
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EVL_CLONE_PRIVATE, __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_flags(struct evl_flags *flg,
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int clockfd, int initval, int flags,
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const char *fmt, ...);
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int evl_open_flags(struct evl_flags *flg,
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const char *fmt, ...);
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int evl_close_flags(struct evl_flags *flg);
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int evl_wait_flags(struct evl_flags *flg,
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int *r_bits);
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int evl_timedwait_flags(struct evl_flags *flg,
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const struct timespec *timeout,
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int *r_bits);
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int evl_post_flags(struct evl_flags *flg,
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int bits);
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int evl_trywait_flags(struct evl_flags *flg,
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int *r_bits);
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int evl_peek_flags(struct evl_flags *flg,
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int *r_bits);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _EVL_FLAGS_H */
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