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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [include/] [intr.h] - Rev 30
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/* intr.h * * XXX: It is unclear if the type "intr_t" should be defined when * _POSIX_INTERRUPT_CONTROL is not. * * $Id: intr.h,v 1.2 2001-09-27 11:59:13 chris Exp $ */ #ifndef __POSIX_INTERRUPTS_h #define __POSIX_INTERRUPTS_h #ifdef __cplusplus extern "C" { #endif #include <sys/features.h> #include <sys/types.h> #include <sys/time.h> #if defined(_POSIX_INTERRUPT_CONTROL) /* * 22.2 Concepts, P1003.4b/D8, p. 73 */ typedef int intr_t; /* * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 */ /* * Return codes from an interrupt handler */ #define INTR_HANDLED_NOTIFY 0 /* ISR handled this interrupt, notify */ /* the thread that registered the */ /* ISR that the interrupt occurred. */ #define INTR_HANDLED_DO_NOT_NOTIFY 1 /* ISR handled this interrupt, but */ /* do NOT perform notification. */ #define INTR_NOT_HANDLED 2 /* ISR did not handle this interrupt, */ /* let the next handler try. */ int intr_capture( intr_t intr, int (*intr_handler)( void *area ), volatile void *area, size_t areasize ); int intr_release( intr_t intr, int (*intr_handler)( void *area ) ); int intr_lock( intr_t intr ); int intr_unlock( intr_t intr ); /* * 22.3.2 Await Interrupt Notification, P1003.4b/D8, p. 76 */ int intr_timed_wait( int flags, const struct timespec *timeout ); #endif #ifdef __cplusplus } #endif #endif /* end of include file */
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