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