eive-obsw/thirdparty/libcsp/src/arch/windows/csp_semaphore.c

75 lines
1.7 KiB
C

#include <Windows.h>
#include <csp/csp.h>
#include <csp/arch/csp_semaphore.h>
int csp_mutex_create(csp_mutex_t * mutex) {
HANDLE mutexHandle = CreateMutex(NULL, FALSE, FALSE);
if( mutexHandle == NULL ) {
return CSP_MUTEX_ERROR;
}
*mutex = mutexHandle;
return CSP_MUTEX_OK;
}
int csp_mutex_remove(csp_mutex_t * mutex) {
if( !CloseHandle(*mutex) ) {
return CSP_MUTEX_ERROR;
}
return CSP_MUTEX_OK;
}
int csp_mutex_lock(csp_mutex_t * mutex, uint32_t timeout) {
if(WaitForSingleObject(*mutex, timeout) == WAIT_OBJECT_0) {
return CSP_MUTEX_OK;
}
return CSP_MUTEX_ERROR;
}
int csp_mutex_unlock(csp_mutex_t * mutex) {
if( !ReleaseMutex(*mutex) ) {
return CSP_MUTEX_ERROR;
}
return CSP_MUTEX_OK;
}
int csp_bin_sem_create(csp_bin_sem_handle_t * sem) {
HANDLE semHandle = CreateSemaphore(NULL, 1, 1, NULL);
if( semHandle == NULL ) {
return CSP_SEMAPHORE_ERROR;
}
*sem = semHandle;
return CSP_SEMAPHORE_OK;
}
int csp_bin_sem_remove(csp_bin_sem_handle_t * sem) {
if( !CloseHandle(*sem) ) {
return CSP_SEMAPHORE_ERROR;
}
return CSP_SEMAPHORE_OK;
}
int csp_bin_sem_wait(csp_bin_sem_handle_t * sem, uint32_t timeout) {
if( WaitForSingleObject(*sem, timeout) == WAIT_OBJECT_0 ) {
return CSP_SEMAPHORE_OK;
}
return CSP_SEMAPHORE_ERROR;
}
int csp_bin_sem_post(csp_bin_sem_handle_t * sem) {
if( !ReleaseSemaphore(*sem, 1, NULL) ) {
return CSP_SEMAPHORE_ERROR;
}
return CSP_SEMAPHORE_OK;
}
int csp_bin_sem_post_isr(csp_bin_sem_handle_t * sem, CSP_BASE_TYPE * task_woken) {
if( task_woken != NULL ) {
*task_woken = 0;
}
return csp_bin_sem_post(sem);
}