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- /****************************************************************************
- * include/nuttx/pthread.h
- * Non-standard, NuttX-specific pthread-related declarations.
- *
- * Copyright (C) 2011, 2015-2016 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- #ifndef __INCLUDE_NUTTX_PTHREAD_H
- #define __INCLUDE_NUTTX_PTHREAD_H
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <pthread.h>
- #include <sched.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /* Default pthread attribute initializer */
- #if CONFIG_RR_INTERVAL == 0
- # define PTHREAD_DEFAULT_POLICY SCHED_FIFO
- #else
- # define PTHREAD_DEFAULT_POLICY SCHED_RR
- #endif
- /* A lot of hassle to use the old-fashioned struct initializers. But this
- * gives us backward compatibility with some very old compilers.
- */
- #if defined(CONFIG_SCHED_SPORADIC) && defined(CONFIG_SMP)
- # define PTHREAD_ATTR_INITIALIZER \
- { \
- PTHREAD_DEFAULT_PRIORITY, /* priority */ \
- PTHREAD_DEFAULT_POLICY, /* policy */ \
- PTHREAD_EXPLICIT_SCHED, /* inheritsched */ \
- PTHREAD_CREATE_JOINABLE, /* detachstate */ \
- 0, /* low_priority */ \
- 0, /* max_repl */ \
- 0, /* affinity */ \
- NULL, /* stackaddr */ \
- PTHREAD_STACK_DEFAULT, /* stacksize */ \
- {0, 0}, /* repl_period */ \
- {0, 0} /* budget */ \
- }
- #elif defined(CONFIG_SCHED_SPORADIC)
- # define PTHREAD_ATTR_INITIALIZER \
- { \
- PTHREAD_DEFAULT_PRIORITY, /* priority */ \
- PTHREAD_DEFAULT_POLICY, /* policy */ \
- PTHREAD_EXPLICIT_SCHED, /* inheritsched */ \
- PTHREAD_CREATE_JOINABLE, /* detachstate */ \
- 0, /* low_priority */ \
- 0, /* max_repl */ \
- NULL, /* stackaddr */ \
- PTHREAD_STACK_DEFAULT, /* stacksize */ \
- {0, 0}, /* repl_period */ \
- {0, 0}, /* budget */ \
- }
- #elif defined(CONFIG_SMP)
- # define PTHREAD_ATTR_INITIALIZER \
- { \
- PTHREAD_DEFAULT_PRIORITY, /* priority */ \
- PTHREAD_DEFAULT_POLICY, /* policy */ \
- PTHREAD_EXPLICIT_SCHED, /* inheritsched */ \
- PTHREAD_CREATE_JOINABLE, /* detachstate */ \
- 0, /* affinity */ \
- NULL, /* stackaddr */ \
- PTHREAD_STACK_DEFAULT, /* stacksize */ \
- }
- #else
- # define PTHREAD_ATTR_INITIALIZER \
- { \
- PTHREAD_DEFAULT_PRIORITY, /* priority */ \
- PTHREAD_DEFAULT_POLICY, /* policy */ \
- PTHREAD_EXPLICIT_SCHED, /* inheritsched */ \
- PTHREAD_CREATE_JOINABLE, /* detachstate */ \
- NULL, /* stackaddr */ \
- PTHREAD_STACK_DEFAULT, /* stacksize */ \
- }
- #endif
- /****************************************************************************
- * Public Data
- ****************************************************************************/
- #ifdef __cplusplus
- #define EXTERN extern "C"
- extern "C"
- {
- #else
- #define EXTERN extern
- #endif
- /* Default pthread attributes. This global can only be shared within the
- * kernel- or within the user- address space.
- */
- EXTERN const pthread_attr_t g_default_pthread_attr;
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- #undef EXTERN
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCLUDE_NUTTX_PTHREAD_H */
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