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Denys Vlasenko 114aefd618 Pass addr=0 instead of 1 into restarting ptrace calls

While we are at it, fold do_ptrace into its lone caller.
We no longer set tcp->ptrace_errno = ESRCH on ESRC error in upeek.
Other code paths where ptrace fails wern't doing it, and the code which
checks tcp->ptrace_errno even assumes it is never set to ESRCH.
(It was me who added this code sometime ago, so it was my fault
that it was a bit messy)

I ran sigkill_rain test and verified that unfinished syscalls are
still handled correctly.

* util.c (ptrace_restart): Do not pass addr=1 to ptrace(), pass 0 instead.
I have no idea why we were passing 1. Ptrace documentation says
that addr parameter is ignored.
(do_ptrace): Remove this function.
(upeek): Use ptrace() instead of do_ptrace().
* defs.h: Remove do_ptrace() declaration.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2012-03-08 12:13:44 +01:00

debian

Prepare for 4.6 release

2011-03-14 15:39:36 +00:00

linux

Remove stray sys_swapon() declaration

2012-02-28 16:39:44 +01:00

Remove parts of automake machinery which are not needed on Linux

2012-02-25 15:34:10 +01:00

test

Fix a case of broken output if last seen syscall was exit

2012-01-28 01:25:03 +01:00

tests

tests: finish ptrace_setoptions_* merge

2011-06-21 15:03:17 +00:00

.gitignore

linux/ioctlent: unify them all

2011-03-14 15:32:38 +00:00

.mailmap

Generate much of the CREDITS file from git log

2011-02-24 01:51:15 +00:00

AUTHORS

2002-12-22 Roland McGrath <roland@redhat.com>

2002-12-30 00:51:30 +00:00

bjm.c

Compress blank lines

2012-02-25 15:41:21 +00:00

block.c

Automated removal of non-Linux code

2012-02-25 02:24:03 +01:00

ChangeLog-CVS

Generate ChangeLog from git log

2009-07-08 21:01:21 +00:00

configure.ac

Compress blank lines

2012-02-25 15:41:21 +00:00

update copyright

2002-03-31 18:43:00 +00:00

count.c

Trivial tweaks to error messages

2012-03-08 11:54:10 +01:00

CREDITS.in

* CREDITS.in: Fix typo.

2011-03-15 15:46:52 +00:00

defs.h

Pass addr=0 instead of 1 into restarting ptrace calls

2012-03-08 12:13:44 +01:00

desc.c

Alias a few more syscall printing functions

2012-02-27 14:18:02 +01:00

errnoent.sh

Mark shell scripts as executable

2009-09-18 12:07:03 +00:00

file.c

Assorted trivial optimizations

2012-02-27 14:37:48 +01:00

git-set-file-times

* git-set-file-times: Import from rsync.

2009-10-09 23:07:28 +00:00

gitlog-to-changelog

gitlog-to-changelog: update from gnulib

2011-11-05 13:32:27 +00:00

HACKING-scripts

HACKING-scripts: new doc file by Mike Frysinger

2009-02-23 07:56:01 +00:00

INSTALL

Remove and update documentation

2012-02-25 15:29:21 +01:00

io.c

Compress blank lines

2012-02-25 15:41:21 +00:00

ioctl.c

Remove a few more code parts which are unused on Linux

2012-02-25 15:19:02 +01:00

ioctlsort.c

Compress blank lines

2012-02-25 15:41:21 +00:00

ipc.c

Compress blank lines

2012-02-25 15:41:21 +00:00

make-dist

Generate an xz tar archive of the distribution

2011-02-27 14:05:58 +00:00

Makefile.am

Remove parts of automake machinery which are not needed on Linux

2012-02-25 15:34:10 +01:00

mem.c

Compress blank lines

2012-02-25 15:41:21 +00:00

net.c

Style fixes, no code changes

2012-02-27 13:56:59 +01:00

NEWS

Prepare for 4.6 release

2011-03-14 15:39:36 +00:00

pathtrace.c

Compress blank lines

2012-02-25 15:41:21 +00:00

process.c

Assorted trivial optimizations

2012-02-27 14:37:48 +01:00

quota.c

Compress blank lines

2012-02-25 15:41:21 +00:00

README

Remove and update documentation

2012-02-25 15:29:21 +01:00

README-hacking

Generate ChangeLog from git log

2009-07-08 21:01:21 +00:00

README-linux

Cleanup trailing whitespaces and indentation that uses spaces before tabs

2009-07-08 14:57:27 +00:00

README-linux-ptrace

README-linux-ptrace: correct the description of suppressed signals

2012-02-09 19:57:52 +01:00

resource.c

Assorted trivial optimizations

2012-02-27 14:37:48 +01:00

scsi.c

Automated removal of non-Linux code

2012-02-25 02:24:03 +01:00

signal.c

Compress blank lines

2012-02-25 15:41:21 +00:00

signalent.sh

Mark shell scripts as executable

2009-09-18 12:07:03 +00:00

sock.c

Compress blank lines

2012-02-25 15:41:21 +00:00

strace-graph

Cleanup trailing whitespaces and indentation that uses spaces before tabs

2009-07-08 14:57:27 +00:00

strace.1

Remove and update documentation

2012-02-25 15:29:21 +01:00

strace.c

Trivial tweaks to error messages

2012-03-08 11:54:10 +01:00

strace.spec

Remove and update documentation

2012-02-25 15:29:21 +01:00

stream.c

Compress blank lines

2012-02-25 15:41:21 +00:00

syscall.c

Trivial tweaks to error messages

2012-03-08 11:54:10 +01:00

syscallent.sh

Stop using nargs == -1 in syscallent tables

2011-08-23 13:24:17 +02:00

system.c

Compress blank lines

2012-02-25 15:41:21 +00:00

term.c

Compress blank lines

2012-02-25 15:41:21 +00:00

time.c

Compress blank lines

2012-02-25 15:41:21 +00:00

TODO

Merge iov fixes from Richard Kettlewell

2001-07-10 13:48:44 +00:00

util.c

Pass addr=0 instead of 1 into restarting ptrace calls

2012-03-08 12:13:44 +01:00

xlate.el

Initial revision

1999-02-19 00:21:36 +00:00

README

This is strace, a system call tracer for Linux.

strace is released under a Berkeley-style license at the request
of Paul Kranenburg; see the file COPYRIGHT for details.

See the file CREDITS for a list of authors and other contributors.

See the file INSTALL for compilation and installation instructions.

See the file NEWS for information on what has changed in recent
versions.

You can get the latest version of strace from its homepage at
http://sourceforge.net/projects/strace/ .

Please send bug reports and enhancements to the strace
mailinglist at strace-devel@lists.sourceforge.net.

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