From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 28 Jun 2020 22:39:03 +0000 (+0000)
Subject: hurd: fix usleep(ULONG_MAX)
X-Git-Tag: glibc-2.32~155
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f3413338e31e65f2927aef02c151745d3b899d0;p=thirdparty%2Fglibc.git

hurd: fix usleep(ULONG_MAX)

* sysdeps/mach/usleep.c (usleep): Clamp timeout when rouding up.
---

diff --git a/sysdeps/mach/usleep.c b/sysdeps/mach/usleep.c
index 530336ba0b8..d53eb04a517 100644
--- a/sysdeps/mach/usleep.c
+++ b/sysdeps/mach/usleep.c
@@ -25,11 +25,15 @@ int
 usleep (useconds_t useconds)
 {
   mach_port_t recv;
+  useconds_t useconds_up = useconds + 999;
+
+  if (useconds_up < useconds)
+    useconds_up = UINT32_MAX;
 
   recv = __mach_reply_port ();
 
   (void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
-		     0, 0, recv, (useconds + 999) / 1000, MACH_PORT_NULL);
+		     0, 0, recv, useconds_up / 1000, MACH_PORT_NULL);
   __mach_port_destroy (mach_task_self (), recv);
 
   return 0;