How to continue one thread at a time when debugging a multithreaded program in GDB?

Question

I have a program which uses two threads. I have put the break point in both the threads. While running the program under gdb I want to switch between the threads and make th

Answer 1

use break conditions

(gdb) break frik.c:13 thread 28 if bartab > lim

see Debugging with GDB

Edit:

(gdb) break  thread 2
(gdb) break  thread 1
(gdb) thread 1
(gdb) continue
(gdb) ... thread 1 finishes
(gdb) thread 2
(gdb) continue

You can put these commands inside a .gdbrc file.