[libc] move `struct sigevent` to libc_signal.h file.

1 files changed, 14 insertions, 0 deletions

diff --git a/include/libc/libc_signal.h b/include/libc/libc_signal.h
index 759647cdd1..cc4552f990 100644
--- a/include/libc/libc_signal.h
+++ b/include/libc/libc_signal.h
@@ -30,12 +30,26 @@
 extern "C" {
 #endif
 
+/*  Signal Generation and Delivery, P1003.1b-1993, p. 63
+    NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
+          sigev_notify_attributes to the sigevent structure.  */
+
 union sigval 
 {
     int    sival_int;    /* Integer signal value */
     void  *sival_ptr;    /* Pointer signal value */
 };
 
+struct sigevent
+{
+    int          sigev_notify;               /* Notification type */
+    int          sigev_signo;                /* Signal number */
+    union sigval sigev_value;                /* Signal value */
+    void         (*sigev_notify_function)( union sigval );
+                                             /* Notification function */
+    void         *sigev_notify_attributes;   /* Notification Attributes, really pthread_attr_t */
+};
+
 struct siginfo
 {
     rt_uint8_t si_signo;