[src/trunk]: src/lib/libc/sys Document PT_SYSCALLEMU

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9861f145562e
branches:  trunk
changeset: 769130:9861f145562e
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Wed Aug 31 23:04:33 2011 +0000

description:
Document PT_SYSCALLEMU

diffstat:

 lib/libc/sys/ptrace.2 |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (23 lines):

diff -r d359d66ee4b1 -r 9861f145562e lib/libc/sys/ptrace.2
--- a/lib/libc/sys/ptrace.2     Wed Aug 31 22:58:39 2011 +0000
+++ b/lib/libc/sys/ptrace.2     Wed Aug 31 23:04:33 2011 +0000
@@ -1,7 +1,7 @@
-.\"    $NetBSD: ptrace.2,v 1.34 2010/04/14 08:57:21 jruoho Exp $
+.\"    $NetBSD: ptrace.2,v 1.35 2011/08/31 23:04:33 jmcneill Exp $
 .\"
 .\" This file is in the public domain.
-.Dd April 14, 2010
+.Dd August 31, 2011
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -301,6 +301,9 @@
 .Dq Li "sizeof(struct ptrace_lwpinfo)" .
 .It Dv PT_SYSCALL
 Stops a process before and after executing each system call.
+.It Dv PT_SYSCALLEMU
+Intercept and ignore a system call before it has been executed, for use with
+.Dv PT_SYSCALL .
 .El
 .Pp
 Additionally, the following requests exist but are