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* [Bug mi/12736] New: In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet
@ 2011-05-05 18:55 marc.khouzam at ericsson dot com
2011-05-05 18:56 ` [Bug mi/12736] " marc.khouzam at ericsson dot com
2011-11-07 21:16 ` tromey at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: marc.khouzam at ericsson dot com @ 2011-05-05 18:55 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=12736
Summary: In non-stop, "-exec-continue --thread-group" will
resume all inferiors if the specified inferior is not
executing yet
Product: gdb
Version: 7.2
Status: NEW
Severity: minor
Priority: P2
Component: mi
AssignedTo: unassigned@sourceware.org
ReportedBy: marc.khouzam@ericsson.com
Created attachment 5709
--> http://sourceware.org/bugzilla/attachment.cgi?id=5709
Proposed fix
If I have an inferior started, and I create a second inferior, MI accepts an
-exec-continue command for the second inferior, even though it wasn't started
yet. This happens in non-stop mode only. What GDB/MI does instead is use the
pid 0, which causes all threads to resume, even for other inferiors. I saw
this in 7.2, 7.3 and HEAD. Below is a small session showing the problem.
Attached is a proposed fix which adds a check before trying to 'continue' an
inferior that was not started.
> gdb.7.2.1 ~/testing/loopfirst
GNU gdb (GDB) 7.2.0.20110403-cvs
(gdb) set target-async on
(gdb) set non-stop on
(gdb) start
Temporary breakpoint 1 at 0x804850d: file loopfirst.cc, line 5.
Starting program: /home/lmckhou/testing/loopfirst
Temporary breakpoint 1, main () at loopfirst.cc:5
5 int max = 900;
(gdb) add-inferior -exec /home/lmckhou/testing/loopfirst
Added inferior 2
Reading symbols from /home/lmckhou/testing/loopfirst...done.
(gdb) inf inf
Num Description Executable
2 <null> /home/lmckhou/testing/loopfirst
* 1 process 9593 /home/lmckhou/testing/loopfirst
(gdb) inf thr
* 1 process 9593 main () at loopfirst.cc:5
(gdb) interpreter-exec mi "-exec-continue --thread-group i2"
^done
(gdb) inf thr
1 process 9593 (running)
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* [Bug mi/12736] In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet
2011-05-05 18:55 [Bug mi/12736] New: In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet marc.khouzam at ericsson dot com
@ 2011-05-05 18:56 ` marc.khouzam at ericsson dot com
2011-11-07 21:16 ` tromey at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: marc.khouzam at ericsson dot com @ 2011-05-05 18:56 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=12736
Marc Khouzam <marc.khouzam at ericsson dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #5709|0 |1
is patch| |
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug mi/12736] In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet
2011-05-05 18:55 [Bug mi/12736] New: In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet marc.khouzam at ericsson dot com
2011-05-05 18:56 ` [Bug mi/12736] " marc.khouzam at ericsson dot com
@ 2011-11-07 21:16 ` tromey at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: tromey at redhat dot com @ 2011-11-07 21:16 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=12736
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
--- Comment #1 from Tom Tromey <tromey at redhat dot com> 2011-11-07 21:16:20 UTC ---
If this is still an issue, please submit your patch to gdb-patches.
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2011-05-05 18:55 [Bug mi/12736] New: In non-stop, "-exec-continue --thread-group" will resume all inferiors if the specified inferior is not executing yet marc.khouzam at ericsson dot com
2011-05-05 18:56 ` [Bug mi/12736] " marc.khouzam at ericsson dot com
2011-11-07 21:16 ` tromey at redhat dot com
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