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[Bug gdb/13211] New: Async / Process group and interrupt not working
- From: "kevin.pouget at gmail dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Wed, 21 Sep 2011 11:35:36 +0000
- Subject: [Bug gdb/13211] New: Async / Process group and interrupt not working
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=13211
Bug #: 13211
Summary: Async / Process group and interrupt not working
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
AssignedTo: unassigned@sourceware.org
ReportedBy: kevin.pouget@gmail.com
Classification: Unclassified
The `interrupt` command seems not to be working correctly when pgid != pid
Testcase:
========
Execute the proc you want to debug from `make`
Check their pgid/pid: `ps -eo pid,pgid,args --sort pgid`
PID PGID COMMAND
11555 11555 make run
11556 11555 ./test
Start GDB with `target-async on` and attach to your process.
Continue it asynchronously `cont&`
Try to interrupt it `interrupt`
Nothing happens!
Reason:
======
in inf-ptrace.c:331,
inf_ptrace_stop tries to kill `-inferior_process_group ()` which is 11556.
`perror` confirms that: "status: No such process"
(I'm not sure 1. why `inferior_process_group` returns the wrong pg, 2. why you
want to kill the entire group, my `make` did nothing wrong!)
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