/usr/include/csp/arch/csp_semaphore.h is in libcsp-dev 1.4+fdd49b7+dfsg-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /*
Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
Copyright (C) 2012 Gomspace ApS (http://www.gomspace.com)
Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _CSP_SEMAPHORE_H_
#define _CSP_SEMAPHORE_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <csp/csp.h>
/* POSIX interface */
#if defined(CSP_POSIX)
#include <pthread.h>
#include <semaphore.h>
#define CSP_SEMAPHORE_OK 1
#define CSP_SEMAPHORE_ERROR 2
#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
typedef sem_t csp_bin_sem_handle_t;
typedef pthread_mutex_t csp_mutex_t;
#endif // CSP_POSIX
/* MAC OS X interface */
#if defined(CSP_MACOSX)
#include <pthread.h>
#include "posix/pthread_queue.h"
#define CSP_SEMAPHORE_OK PTHREAD_QUEUE_OK
#define CSP_SEMAPHORE_ERROR PTHREAD_QUEUE_EMPTY
#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
typedef pthread_queue_t * csp_bin_sem_handle_t;
typedef pthread_queue_t * csp_mutex_t;
#endif // CSP_MACOSX
#if defined(CSP_WINDOWS)
#include <Windows.h>
#undef interface
#define CSP_SEMAPHORE_OK 1
#define CSP_SEMAPHORE_ERROR 2
#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
typedef HANDLE csp_bin_sem_handle_t;
typedef HANDLE csp_mutex_t;
#endif
/* FreeRTOS interface */
#if defined(CSP_FREERTOS)
#include <FreeRTOS.h>
#include <semphr.h>
#define CSP_SEMAPHORE_OK pdPASS
#define CSP_SEMAPHORE_ERROR pdFAIL
#define CSP_MUTEX_OK CSP_SEMAPHORE_OK
#define CSP_MUTEX_ERROR CSP_SEMAPHORE_ERROR
typedef xSemaphoreHandle csp_bin_sem_handle_t;
typedef xSemaphoreHandle csp_mutex_t;
#endif // CSP_FREERTOS
int csp_mutex_create(csp_mutex_t * mutex);
int csp_mutex_remove(csp_mutex_t * mutex);
int csp_mutex_lock(csp_mutex_t * mutex, uint32_t timeout);
int csp_mutex_unlock(csp_mutex_t * mutex);
int csp_bin_sem_create(csp_bin_sem_handle_t * sem);
int csp_bin_sem_remove(csp_bin_sem_handle_t * sem);
int csp_bin_sem_wait(csp_bin_sem_handle_t * sem, uint32_t timeout);
int csp_bin_sem_post(csp_bin_sem_handle_t * sem);
int csp_bin_sem_post_isr(csp_bin_sem_handle_t * sem, CSP_BASE_TYPE * task_woken);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif // _CSP_SEMAPHORE_H_
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