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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2012-03-30 11:41:57 +1300 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2016-03-05 08:52:29 +0100 |
| commit | 89cfe0cf65766996cf147ad481c7243d9f10e690 (patch) | |
| tree | 7f4cd27b994e757e43791d2b817a2a26624d1544 | |
| parent | df383cdf95d3312dec52b51f71988cbe06adb0eb (diff) | |
| download | man-pages-89cfe0cf65766996cf147ad481c7243d9f10e690.tar.gz | |
pipe.2: Note treatment of 'pipefd' on error
Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man2/pipe.2 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/man2/pipe.2 b/man2/pipe.2 index 642cd18e24..9ed29056c9 100644 --- a/man2/pipe.2 +++ b/man2/pipe.2 @@ -135,6 +135,20 @@ On success, zero is returned. On error, \-1 is returned, and .I errno is set appropriately. + +On Linux (and other systems), +.BR pipe () +does not modify +.I pipefd +on failure. +A requirement standardizing this behavior was added in POSIX.1-2016. +.\" http://austingroupbugs.net/view.php?id=467 +The Linux-specific +.BR pipe2 () +system call +likewise does not modify +.I pipefd +on failure. .SH ERRORS .TP .B EFAULT |