svn commit: r190464 - head/lib/libc/sys
Diomidis Spinellis
dds at FreeBSD.org
Fri Mar 27 04:03:03 PDT 2009
Author: dds
Date: Fri Mar 27 11:03:02 2009
New Revision: 190464
URL: http://svn.freebsd.org/changeset/base/190464
Log:
Document missing requests.
Modified:
head/lib/libc/sys/ptrace.2
Modified: head/lib/libc/sys/ptrace.2
==============================================================================
--- head/lib/libc/sys/ptrace.2 Fri Mar 27 05:48:42 2009 (r190463)
+++ head/lib/libc/sys/ptrace.2 Fri Mar 27 11:03:02 2009 (r190464)
@@ -2,7 +2,7 @@
.\" $NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $
.\"
.\" This file is in the public domain.
-.Dd April 9, 2007
+.Dd March 27, 2009
.Dt PTRACE 2
.Os
.Sh NAME
@@ -77,7 +77,8 @@ special case noted below, all
.Fn ptrace
calls are made by the tracing process, and the
.Fa pid
-argument specifies the process ID of the traced process.
+argument specifies the process ID of the traced process
+or a corresponding thread ID.
The
.Fa request
argument
@@ -311,6 +312,21 @@ with the array size specified by
The return value from
.Fn ptrace
is the count of array entries filled in.
+.It PT_SETSTEP
+This request will turn on single stepping of the specified process.
+.It PT_CLEARSTEP
+This request will turn off single stepping of the specified process.
+.It PT_SUSPEND
+This request will suspend the specified thread.
+.It PT_RESUME
+This request will resume the specified thread.
+.It PT_TO_SCE
+This request will trace the specified process on each system call entry.
+.It PT_TO_SCX
+This request will trace the specified process on each system call exit.
+.It PT_SYSCALL
+This request will trace the specified process
+on each system call entry and exit.
.El
.Pp
Additionally, machine-specific requests can exist.
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