Just bringing this up again as I'm seeing some unexpected behavior on
startup with this on Linux and wanted to know if it's still expected or
something to investigate. I can look into it if this should be working.
andrew@host:~$ lldb /usr/bin/python
Current executable set to '/usr/bin/python' (x86_64).
(lldb) r
Process 22284 launching
Process 22284 launched: '/usr/bin/python' (x86_64)
Process 22284 stopped
Python 2.7.5+ (default, Feb 27 2014, 19:37:08)
[GCC 4.8.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> (lldb)
^^^^^
I would expect to be at a Python prompt here, not lldb. Ctrl-C does
nothing.
error: No auto repeat.
(lldb) process interrupt
Process 22284 stopped
* thread #1: tid = 22284, 0x00007f869ef0adc3 libc.so.6`__select + 19, name
= 'python', stop reason = signal SIGSTOP
frame #0: 0x00007f869ef0adc3 libc.so.6`__select + 19
libc.so.6`__select + 19:
-> 0x7f869ef0adc3: cmpq $-0xfff, %rax
0x7f869ef0adc9: jae 0x7f869ef0adff ; __select + 79
0x7f869ef0adcb: retq
0x7f869ef0adcc: subq $0x8, %rsp
(lldb) c
Process 22284 resuming
>>>
^^^^^
Now at a Python prompt, hitting Ctrl-C works as expected.
>>> Process 22284 stopped
* thread #1: tid = 22284, 0x00007f869ef0adc3 libc.so.6`__select + 19, name
= 'python', stop reason = signal SIGSTOP
frame #0: 0x00007f869ef0adc3 libc.so.6`__select + 19
libc.so.6`__select + 19:
-> 0x7f869ef0adc3: cmpq $-0xfff, %rax
0x7f869ef0adc9: jae 0x7f869ef0adff ; __select + 79
0x7f869ef0adcb: retq
0x7f869ef0adcc: subq $0x8, %rsp
(lldb)
On Mon, Feb 24, 2014 at 8:07 AM, Matthew Gardiner <[email protected]> wrote:
> [email protected] wrote:
>
>> Control-C is currently broken in TOT lldb. It pops the input reader for
>> the program you are debugging off the stack, but doesn't interrupt it,
>> leaving you in a kind of odd state...
>>
>> Greg's on this.
>>
>> Jim
>>
> Thanks for this, Jim.
>
> However, this leaves me a bit puzzled. Surely, if lldb *already* has a
> command intended to SIGTRAP the inferior (i.e. process interrupt), then why
> is Control-C broken? What is Control-C's intended purpose in lldb?
>
>
> Matt
>
>
>
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