66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* microkernel/event.h */
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/*
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* Copyright (c) 1997-2014 Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EVENT_H
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#define EVENT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <microkernel/command_packet.h>
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/* well-known events */
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#define TICK_EVENT 0
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extern void isr_event_send(kevent_t event);
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extern void fiber_event_send(kevent_t event);
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extern int task_event_set_handler(kevent_t event, kevent_handler_t handler);
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extern int task_event_send(kevent_t event);
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extern int _task_event_recv(kevent_t event, int32_t time);
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#define task_event_recv(event) _task_event_recv(event, TICKS_NONE)
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#define task_event_recv_wait(event) _task_event_recv(event, TICKS_UNLIMITED)
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#ifdef CONFIG_SYS_CLOCK_EXISTS
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#define task_event_recv_wait_timeout(event, time) _task_event_recv(event, time)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* EVENT_H */
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