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| author | Richard Palethorpe <rpalethorpe@suse.com> | 2021-07-28 22:19:56 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2021-08-08 01:02:32 +0200 |
| commit | 136ae439fb6ce5e8a2f87e90ea15bbebf732a8e6 (patch) | |
| tree | 4823c82b214f0d4891e66798ebf7fc721389aa9d | |
| parent | bd9aa1b76246833bad55964d308650ba2a16f19f (diff) | |
| download | man-pages-136ae439fb6ce5e8a2f87e90ea15bbebf732a8e6.tar.gz | |
wait.2: Add ESRCH for when pid == INT_MIN
Please see upstream commit:
commit dd83c161fbcc5d8be637ab159c0de015cbff5ba4
Author: zhongjiang <zhongjiang@huawei.com>
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 <rpalethorpe@suse.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/wait.2 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/man2/wait.2 b/man2/wait.2 index 5ae955b3fd..63d872ee63 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 |