Set signal handling actions.
handle signal_name [ handle_keyword ] signal_name |
The name of the signal to handle. |
handle_keyword |
The action to take on the signal. Must be one of the following: stop. The debugger should stop your program when this signal occurs. This implies the print keyword as well. nostop. The debugger should not stop your program when this signal occurs. It may still print a message telling you that the signal has occurred. print. The debugger should print a message when this signal occurs. noprint. The debugger should not mention the occurrence of the signal at all. This implies the nostop keyword as well. pass. The debugger should allow your program to handle this signal. Your program can handle the signal, or else it may terminate if the signal is fatal and not handled. pass and noignore have the same effect. nopass. The debugger should not allow your program to see this signal. nopass and ignore are synonyms. ignore. The debugger should not allow your program to see this signal. nopass and ignore are synonyms. noignore. The debugger should allow your program to see this signal; your program can handle the signal, or else it may terminate if the signal is fatal and not handled. pass and noignore have the same effect. |
This command defines how the debugger handles signals.
The debugger can detect any occurrence of a signal in your program. You can define in advance how the debugger should handle each kind of signal. Normally, the debugger is set up to let some signals like SIGUSR1 be silently passed to the debuggee, but to stop your program immediately whenever an error signal happens. This command changes these settings.
(idb) info handle ILL Unrecognized or ambiguous flag word: "ILL". (idb) handle SIGILL nostop noprint Signal Stop Print Pass to program Description SIGILL No No No Illegal instruction (idb) info handle SIGSEGV Signal Stop Print Pass to program Description SIGSEGV Yes Yes Yes Segmentation fault (idb) info handle SIGALRM pass Signal Stop Print Pass to program Description SIGALRM No No Yes Alarm clock
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