Document that abort() is async signal safe now that it doesn't flush

stdio buffers

While here replace "SUSv[67]" with "POSIX Issue [67]" and update
signal(3) to mention that pselect() and ppoll() are async signal safe
like sigaction(2) already does.

ok guenther

diff --git a/lib/libc/gen/signal.3 b/lib/libc/gen/signal.3
index dcdd2e1..d4599bd 100644 (file)
--- a/lib/libc/gen/signal.3
+++ b/lib/libc/gen/signal.3
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: signal.3,v 1.45 2014/07/18 19:24:42 matthew Exp $
+.\"    $OpenBSD: signal.3,v 1.46 2014/07/19 08:55:22 matthew Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 18 2014 $
+.Dd $Mdocdate: July 19 2014 $
 .Dt SIGNAL 3
 .Os
 .Sh NAME
@@ -242,8 +242,7 @@ invoke them, without restriction, from signal-catching functions:
 Base Interfaces:
 .Pp
 .Fn _exit ,
-.\" SUSv7 says abort() is safe, but since it flushes stdio buffers,
-.\" that's not practical
+.Fn abort ,
 .Fn accept ,
 .Fn access ,
 .Fn alarm ,
@@ -309,6 +308,7 @@ Base Interfaces:
 .Fn pause ,
 .Fn pipe ,
 .Fn poll ,
+.Fn pselect ,
 .Fn read ,
 .Fn readlink ,
 .Fn readlinkat ,
@@ -368,11 +368,10 @@ Base Interfaces:
 .Fn write .
 .Pp
 .\" unimplemented functions that should be async-sig-safe, if we had them
-.\" SUSv[56] additions
-.\" .Fn pselect ,
+.\" POSIX Issue 6 additions
 .\" .Fn sockatmark .
 .\"
-.\" SUSv7 additions
+.\" POSIX Issue 7 additions
 .\" .Pp
 .\" .Fn fexecve .
 .\"
@@ -404,6 +403,7 @@ Extension Interfaces:
 .Fn getentropy ,
 .Fn getresgid ,
 .Fn getresuid ,
+.Fn ppoll ,
 .Fn setresgid ,
 .Fn setresuid ,
 .Fn strlcat ,

diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 5512393..bcbeff8 100644 (file)
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: sigaction.2,v 1.57 2014/07/18 19:24:42 matthew Exp $
+.\"    $OpenBSD: sigaction.2,v 1.58 2014/07/19 08:55:22 matthew Exp $
 .\"    $NetBSD: sigaction.2,v 1.7 1995/10/12 15:41:16 jtc Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"    @(#)sigaction.2 8.2 (Berkeley) 4/3/94
 .\"
-.Dd $Mdocdate: July 18 2014 $
+.Dd $Mdocdate: July 19 2014 $
 .Dt SIGACTION 2
 .Os
 .Sh NAME
@@ -470,8 +470,7 @@ invoke them, without restriction, from signal-catching functions:
 Base Interfaces:
 .Pp
 .Fn _exit ,
-.\" SUSv7 says abort() is safe, but since it flushes stdio buffers,
-.\" that's not practical
+.Fn abort ,
 .Fn accept ,
 .Fn access ,
 .Fn alarm ,
@@ -598,10 +597,10 @@ Base Interfaces:
 .Fn write .
 .Pp
 .\" unimplemented functions that should be async-sig-safe, if we had them
-.\" SUSv[56] additions
+.\" POSIX Issue 6 additions
 .\" .Fn sockatmark .
 .\"
-.\" SUSv7 additions
+.\" POSIX Issue 7 additions
 .\" .Pp
 .\" .Fn fexecve .
 .\"