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-rw-r--r--man3/sigsetops.335
1 files changed, 17 insertions, 18 deletions
diff --git a/man3/sigsetops.3 b/man3/sigsetops.3
index 4172dbc..7fc1140 100644
--- a/man3/sigsetops.3
+++ b/man3/sigsetops.3
@@ -9,7 +9,7 @@
.\" 2007-10-26 mdw added wording that a sigset_t must be initialized
.\" prior to use
.\"
-.TH SIGSETOPS 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH SIGSETOPS 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
sigemptyset, sigfillset, sigaddset, sigdelset, sigismember \- POSIX
signal set operations
@@ -19,21 +19,21 @@ Standard C library
.SH SYNOPSIS
.nf
.B #include <signal.h>
-.PP
+.P
.BI "int sigemptyset(sigset_t *" set );
.BI "int sigfillset(sigset_t *" set );
-.PP
+.P
.BI "int sigaddset(sigset_t *" set ", int " signum );
.BI "int sigdelset(sigset_t *" set ", int " signum );
-.PP
+.P
.BI "int sigismember(const sigset_t *" set ", int " signum );
.fi
-.PP
+.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
-.PP
+.P
.BR sigemptyset (),
.BR sigfillset (),
.BR sigaddset (),
@@ -44,17 +44,17 @@ Feature Test Macro Requirements for glibc (see
.fi
.SH DESCRIPTION
These functions allow the manipulation of POSIX signal sets.
-.PP
+.P
.BR sigemptyset ()
initializes the signal set given by
.I set
to empty, with all signals excluded from the set.
-.PP
+.P
.BR sigfillset ()
initializes
.I set
to full, including all signals.
-.PP
+.P
.BR sigaddset ()
and
.BR sigdelset ()
@@ -62,13 +62,13 @@ add and delete respectively signal
.I signum
from
.IR set .
-.PP
+.P
.BR sigismember ()
tests whether
.I signum
is a member of
.IR set .
-.PP
+.P
Objects of type
.I sigset_t
must be initialized by a call to either
@@ -93,7 +93,7 @@ The results are undefined if this is not done.
and
.BR sigdelset ()
return 0 on success and \-1 on error.
-.PP
+.P
.BR sigismember ()
returns 1 if
.I signum
@@ -102,7 +102,7 @@ is a member of
0 if
.I signum
is not a member, and \-1 on error.
-.PP
+.P
On error, these functions set
.I errno
to indicate the error.
@@ -132,7 +132,6 @@ T{
.BR sigandset ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH VERSIONS
.SS GNU
If the
@@ -140,7 +139,7 @@ If the
feature test macro is defined, then \fI<signal.h>\fP
exposes three other functions for manipulating signal
sets:
-.PP
+.P
.nf
.BI "int sigisemptyset(const sigset_t *" set );
.BI "int sigorset(sigset_t *" dest ", const sigset_t *" left ,
@@ -148,12 +147,12 @@ sets:
.BI "int sigandset(sigset_t *" dest ", const sigset_t *" left ,
.BI " const sigset_t *" right );
.fi
-.PP
+.P
.BR sigisemptyset ()
returns 1 if
.I set
contains no signals, and 0 otherwise.
-.PP
+.P
.BR sigorset ()
places the union of the sets
.I left
@@ -169,7 +168,7 @@ and
in
.IR dest .
Both functions return 0 on success, and \-1 on failure.
-.PP
+.P
These functions are nonstandard (a few other systems provide similar
functions) and their use should be avoided in portable applications.
.SH STANDARDS