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-rw-r--r--rt/aio_notify.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/rt/aio_notify.c b/rt/aio_notify.c
index 558b2d2451..04a9dd6db3 100644
--- a/rt/aio_notify.c
+++ b/rt/aio_notify.c
@@ -1,5 +1,5 @@
/* Notify initiator of AIO request.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -58,10 +58,19 @@ __aio_notify_only (struct sigevent *sigev, pid_t caller_pid)
result = -1;
}
else if (sigev->sigev_notify == SIGEV_SIGNAL)
- /* We have to send a signal. */
- if (__aio_sigqueue (sigev->sigev_signo, sigev->sigev_value, caller_pid)
- < 0)
- result = -1;
+ {
+ /* We have to send a signal. */
+#if _POSIX_REALTIME_SIGNALS
+ /* Note that the standard gives us the option of using a plain
+ non-queuing signal here when SA_SIGINFO is not set for the signal. */
+ if (__aio_sigqueue (sigev->sigev_signo, sigev->sigev_value, caller_pid)
+ < 0)
+ result = -1;
+#else
+ /* There are no queued signals on this system at all. */
+ result = raise (sigev->sigev_signo);
+#endif
+ }
return result;
}