nil/include/chsem.h File Reference

Nil RTOS semaphores header file. More...

Go to the source code of this file.

Macros
Semaphores macros
#define	__SEMAPHORE_DATA(name, n)   {n}
	Data part of a static semaphore initializer. More...
#define	SEMAPHORE_DECL(name, n)   semaphore_t name = __SEMAPHORE_DATA(name, n)
	Static semaphore initializer. More...
Macro Functions
#define	chSemObjectInit(sp, n)   ((sp)->cnt = (n))
	Initializes a semaphore with the specified counter value. More...
#define	chSemReset(sp, n)   chSemResetWithMessage(sp, n, MSG_RESET)
	Performs a reset operation on the semaphore. More...
#define	chSemResetI(sp, n)   chSemResetWithMessageI(sp, n, MSG_RESET)
	Performs a reset operation on the semaphore. More...
#define	chSemWait(sp)   chSemWaitTimeout(sp, TIME_INFINITE)
	Performs a wait operation on a semaphore. More...
#define	chSemWaitS(sp)   chSemWaitTimeoutS(sp, TIME_INFINITE)
	Performs a wait operation on a semaphore. More...
#define	chSemFastWaitI(sp)   ((sp)->cnt--)
	Decreases the semaphore counter. More...
#define	chSemFastSignalI(sp)   ((sp)->cnt++)
	Increases the semaphore counter. More...
#define	chSemGetCounterI(sp)   ((sp)->cnt)
	Returns the semaphore counter current value. More...

Functions
msg_t	chSemWaitTimeout (semaphore_t *sp, sysinterval_t timeout)
	Performs a wait operation on a semaphore with timeout specification. More...
msg_t	chSemWaitTimeoutS (semaphore_t *sp, sysinterval_t timeout)
	Performs a wait operation on a semaphore with timeout specification. More...
void	chSemSignal (semaphore_t *sp)
	Performs a signal operation on a semaphore. More...
void	chSemSignalI (semaphore_t *sp)
	Performs a signal operation on a semaphore. More...
void	chSemResetWithMessage (semaphore_t *sp, cnt_t n, msg_t msg)
	Performs a reset operation on the semaphore. More...
void	chSemResetWithMessageI (semaphore_t *sp, cnt_t n, msg_t msg)
	Performs a reset operation on the semaphore. More...

Detailed Description

Nil RTOS semaphores header file.

Definition in file nil/include/chsem.h.