[Bug gdb/23251] GDB ignores breakpoint when scheduler-locking is on

[Bug gdb/23251] GDB ignores breakpoint when scheduler-locking is on

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=23251

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-11-29
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |WAITING
                 CC|                            |tromey at sourceware dot org

--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
It isn't super clear to me what behavior you're expecting.
I tried this and I got pretty much the same results.
However, here:

(gdb) thread 3
[Switching to thread 3 (Thread 0x7ffff6ff0700 (LWP 4036))]
#0  sub () at ./if.c:9
9               if(i != 0){
(gdb) c
Continuing.
[Thread 0x7ffff6ff0700 (LWP 4036) exited]
No unwaited-for children left.


... maybe you were expecting a stop at line 10?
Unfortunately at this point:

(gdb) p i
$2 = 0

And the reason is that the code does:

            i = 1/i;

And since 'i' is an int, this is 0 by this point (since 1/2 == 0)

I'm putting this into "wait" in case you're still around to clarify
what the issue was.

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