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sigsetops.3: RETURN VALUE: mention that 'errno' is set on error 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2013-04-19 10:10:10 +02:00
parent 433356dcd1
commit 72cc8811ba
1 changed files with 4 additions and 1 deletions
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5
man3/sigsetops.3
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@ -28,7 +28,7 @@
.\" 2007-10-26 mdw added wording that a sigset_t must be initialized
.\" prior to use
.\"
.TH SIGSETOPS 3 2008-09-01 "Linux" "Linux Programmer's Manual"
.TH SIGSETOPS 3 2013-04-19 "Linux" "Linux Programmer's Manual"
.SH NAME
sigemptyset, sigfillset, sigaddset, sigdelset, sigismember \- POSIX
signal set operations.
@ -120,6 +120,9 @@ is a member of
0 if
.I signum
is not a member, and \-1 on error.
On error, these functions set
.I errno
to indicate the cause.
.SH ERRORS
.TP
.B EINVAL