aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/mach/usleep.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/mach/usleep.c')
-rw-r--r--sysdeps/mach/usleep.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sysdeps/mach/usleep.c b/sysdeps/mach/usleep.c
index d09ab12..8ea962c 100644
--- a/sysdeps/mach/usleep.c
+++ b/sysdeps/mach/usleep.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 93, 94, 97, 98, 99 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 93, 94, 97, 98, 99, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,7 +22,7 @@
#include <unistd.h>
/* Sleep USECONDS microseconds, or until a previously set timer goes off. */
-void
+int
usleep (useconds_t useconds)
{
mach_port_t recv;
@@ -31,10 +31,12 @@ usleep (useconds_t useconds)
recv = __mach_reply_port ();
if (__gettimeofday (&before, NULL) < 0)
- return;
+ return -1;
(void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
0, 0, recv, (useconds + 999) / 1000, MACH_PORT_NULL);
__mach_port_destroy (mach_task_self (), recv);
if (__gettimeofday (&after, NULL) < 0)
- return;
+ return -1;
+
+ return 0;
}