Re: [PATCH] wait.2: Add ESRCH for when pid == INT_MIN
flat view
From: Alejandro Colomar (man-pages) <hidden>
Date: 2021-07-10 18:16:01
Hello Richard, On 7/8/21 12:08 PM, Richard Palethorpe wrote:
Please see upstream commit:
commit dd83c161fbcc5d8be637ab159c0de015cbff5ba4
Author: zhongjiang [off-list ref]
Date: Mon Jul 10 15:53:01 2017 -0700
kernel/exit.c: avoid undefined behaviour when calling wait4()
It avoids negating INT_MIN by returning early with ESRCH.
Signed-off-by: Richard Palethorpe <redacted>Patch applied. Thanks, Alex
quoted hunk ↗ jump to hunk
--- man2/wait.2 | 9 +++++++++ 1 file changed, 9 insertions(+)diff --git a/man2/wait.2 b/man2/wait.2 index 5ae955b3f..63d872ee6 100644 --- a/man2/wait.2 +++ b/man2/wait.2@@ -455,6 +455,15 @@ was caught; see The .I options argument was invalid. +.TP +.B ESRCH +(for +.BR wait () +or +.BR waitpid ()) +.I pid +is equal to +.I INT_MIN .SH CONFORMING TO SVr4, 4.3BSD, POSIX.1-2001. .SH NOTES
-- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/