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From: Vineet Gupta <vgupta@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/vineet/arc-port-latest] hurd: fix usleep(ULONG_MAX)
Date: Tue,  7 Jul 2020 22:04:05 +0000 (GMT)	[thread overview]
Message-ID: <20200707220405.6E2B33861024@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1f3413338e31e65f2927aef02c151745d3b899d0

commit 1f3413338e31e65f2927aef02c151745d3b899d0
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Jun 28 22:39:03 2020 +0000

    hurd: fix usleep(ULONG_MAX)
    
    * sysdeps/mach/usleep.c (usleep): Clamp timeout when rouding up.

Diff:
---
 sysdeps/mach/usleep.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sysdeps/mach/usleep.c b/sysdeps/mach/usleep.c
index 530336ba0b..d53eb04a51 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;


                 reply	other threads:[~2020-07-07 22:04 UTC|newest]

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