1 #ifndef __ASM_SEMAPHORE_H__
2 #define __ASM_SEMAPHORE_H__
4 #include <cyg/hal/drv_api.h>
10 #define DECLARE_MUTEX(x) struct semaphore x = { { 0 } };
11 #define DECLARE_MUTEX_LOCKED(x) struct semaphore x = { { 1 } };
13 #define init_MUTEX(sem) cyg_drv_mutex_init((cyg_drv_mutex_t *)sem)
14 #define init_MUTEX_LOCKED(sem) do { cyg_drv_mutex_init((cyg_drv_mutex_t *)sem); cyg_drv_mutex_lock((cyg_drv_mutex_t *)sem); } while(0)
15 #define down(sem) cyg_drv_mutex_lock((cyg_drv_mutex_t *)sem)
16 #define down_interruptible(sem) ({ cyg_drv_mutex_lock((cyg_drv_mutex_t *)sem), 0; })
17 #define down_trylock(sem) cyg_drv_mutex_trylock((cyg_drv_mutex_t *)sem)
18 #define up(sem) cyg_drv_mutex_unlock((cyg_drv_mutex_t *)sem)
20 #endif /* __ASM_SEMAPHORE_H__ */