1 # connect gdb to Valgrind gdbserver: 2 target remote | ./vgdb --wait=60 --vgdb-prefix=./vgdb-prefix-nlvgdbsigqueue 3 echo vgdb launched process attached\n 4 monitor v.set vgdb-error 999999 5 # 6 # 7 # simulate control-c 1 second after having seen sleepers program outputting 'main' 8 shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlvgdbsigqueue 1 grep main nlvgdbsigqueue.stderr.out 9 # 10 # send SIGUSR1/SIGUSR1 in a few seconds, after vgdb has attached 11 # vgdb will attach when it will receive the control-c 12 shell ./send_signal USR1 --vgdb-prefix=./vgdb-prefix-nlvgdbsigqueue 0 grep attachedwaitingforsigusr1 nlvgdbsigqueue.stdoutB.out 13 shell ./send_signal USR1 --vgdb-prefix=./vgdb-prefix-nlvgdbsigqueue 1 grep attachedwaitingforsigusr1 nlvgdbsigqueue.stdoutB.out 14 # 15 echo continuing to have vgdb interrupted by simulate_control_c\n 16 continue 17 # 18 # Now vgdb should have received the interrupt, and so has 19 # attached to the sleeping process. 20 # wait for the USR sig to be sent, that will be queued by vgdb. 21 echo attachedwaitingforsigusr1\n 22 # send_signal tries every second the guardcmd 23 # so we must now wait to be (somewhat) sure the 2 SIGUSR1 are emitted 24 shell sleep 4 25 # continue, so as to have vgdb sending queued signals when PTRACE_DETACHing 26 echo continuing to receive first SIGUSR1\n 27 continue 28 # simulate a control c to afterwards stop the execution 29 shell ./simulate_control_c --vgdb-prefix=./vgdb-prefix-nlvgdbsigqueue 1 30 echo continuing to receive second SIGUSR1\n 31 continue 32 kill 33 quit 34
