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sigprocmask.2: RETURN VALUE: mention that 'errno' is set on error 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2013-04-19 08:45:03 +02:00
parent 947683f353
commit 2cbd0ac5b8
1 changed files with 4 additions and 1 deletions
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man2/sigprocmask.2
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@ -26,7 +26,7 @@
.\" .\"
.\" 2005-09-15, mtk, Created new page by splitting off from sigaction.2 .\" 2005-09-15, mtk, Created new page by splitting off from sigaction.2
.\" .\"
.TH SIGPROCMASK 2 2012-04-15 "Linux" "Linux Programmer's Manual" .TH SIGPROCMASK 2 2013-04-19 "Linux" "Linux Programmer's Manual"
.SH NAME .SH NAME
sigprocmask \- examine and change blocked signals sigprocmask \- examine and change blocked signals
.SH SYNOPSIS .SH SYNOPSIS
@ -93,6 +93,9 @@ is unspecified in a multithreaded process; see
.SH RETURN VALUE .SH RETURN VALUE
.BR sigprocmask () .BR sigprocmask ()
returns 0 on success and \-1 on error. returns 0 on success and \-1 on error.
In the event of an error,
.I errno
is set to indicate the cause.
.SH ERRORS .SH ERRORS
.TP .TP
.B EFAULT .B EFAULT