svn commit: r207757 - head/lib/libc/sys
Jilles Tjoelker
jilles at FreeBSD.org
Fri May 7 20:46:22 UTC 2010
Author: jilles
Date: Fri May 7 20:46:22 2010
New Revision: 207757
URL: http://svn.freebsd.org/changeset/base/207757
Log:
sigprocmask(2): pthread_sigmask(3) must be used in threaded processes.
Although libthr's pthread_sigmask() just calls sigprocmask() and this is
unlikely to change, mention this POSIX requirement on applications.
MFC after: 1 week
Modified:
head/lib/libc/sys/sigprocmask.2
Modified: head/lib/libc/sys/sigprocmask.2
==============================================================================
--- head/lib/libc/sys/sigprocmask.2 Fri May 7 20:02:36 2010 (r207756)
+++ head/lib/libc/sys/sigprocmask.2 Fri May 7 20:46:22 2010 (r207757)
@@ -28,7 +28,7 @@
.\" @(#)sigprocmask.2 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
-.Dd June 4, 1993
+.Dd May 7, 2010
.Dt SIGPROCMASK 2
.Os
.Sh NAME
@@ -96,6 +96,11 @@ quietly disallows
or
.Dv SIGSTOP
to be blocked.
+.Pp
+In threaded applications,
+.Xr pthread_sigmask 3
+must be used instead of
+.Fn sigprocmask .
.Sh RETURN VALUES
.Rv -std sigprocmask
.Sh ERRORS
@@ -116,6 +121,7 @@ has a value other than those listed here
.Xr sigpending 2 ,
.Xr sigsuspend 2 ,
.Xr fpsetmask 3 ,
+.Xr pthread_sigmask 3 ,
.Xr sigsetops 3
.Sh STANDARDS
The
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