1 files changed, 70 insertions, 0 deletions
diff --git a/c/src/exec/posix/include/intr.h b/c/src/exec/posix/include/intr.h
new file mode 100644
index 0000000000..9394ab22a3
--- /dev/null
+++ b/c/src/exec/posix/include/intr.h
@@ -0,0 +1,70 @@
+/* intr.h
+ *
+ *  XXX: It is unclear if the type "intr_t" should be defined when
+ *       _POSIX_INTERRUPT_CONTROL is not.
+ */
+
+#ifndef __POSIX_INTERRUPTS_h
+#define __POSIX_INTERRUPTS_h
+
+#include <rtems/posix/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
+
+#endif
+/* end of include file */