49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
// Copyright(c) 2020 ZettaScale Technology and others
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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// v. 1.0 which is available at
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// http://www.eclipse.org/org/documents/edl-v10.php.
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//
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// SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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#ifndef DDSRT_SCHED_H
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#define DDSRT_SCHED_H
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/**
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* @brief Thread scheduling classes
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* @{
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*/
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typedef enum {
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/** Schedule processes and threads according a platform default.
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* DDSRT_SCHED_REALTIME for timesharing platforms and
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* DDSRT_SCHED_TIMESHARE for realtime platforms
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*/
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DDSRT_SCHED_DEFAULT,
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/** Schedule processes and threads on realtime basis,
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* on most platforms implying:
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* - Fixed Priority
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* - Preemption
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* - Either "First In First Out" or "Round Robin"
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*/
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DDSRT_SCHED_REALTIME,
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/** Schedule processes and threads on timesharing basis,
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* on most platforms implying:
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* - Dynamic Priority to guarantee fair share
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* - Preemption
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*/
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DDSRT_SCHED_TIMESHARE
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} ddsrt_sched_t;
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/** @} */
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#if defined (__cplusplus)
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}
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#endif
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#endif /* DDSRT_SCHED_H */
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