mirror of
https://github.com/ioacademy-jikim/debugging
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41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
# connect gdb to Valgrind gdbserver:
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target remote | ./vgdb --wait=60 --vgdb-prefix=./vgdb-prefix-nlcontrolc
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echo vgdb launched process attached\n
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monitor v.set vgdb-error 999999
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#
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#
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# simulate control-c in a few seconds
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shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 1 grep main nlcontrolc.stderr.out
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#
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continue
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#
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# Here, all tasks should be blocked in a loooonnnng select, all in WaitSys
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info threads
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# We will unblock them by changing their timeout argument
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# To avoid going into the frame where the timeval arg is,
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# it has been defined as global variables, as the nr
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# of calls on the stack differs between 32bits and 64bits,
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# and/or between OS.
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# ensure select finishes in a few milliseconds max:
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p t[0].tv_sec = 0
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p t[1].tv_sec = 0
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p t[2].tv_sec = 0
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p t[3].tv_sec = 0
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#
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# We will change the burning parameters in a few seconds
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shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlcontrolc 1 grep changed nlcontrolc.stdoutB.out
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#
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echo changed burning parameters\n
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continue
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#
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# Threads are burning cpu now
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# We would like to test info threads here, but which thread are Runnable or Yielding
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# is unpredictable.
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# info threads
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p burn = 0
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p loops = 0
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p report_finished = 0
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continue
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# and the process should stop very quickly now
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quit
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