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Re: need way to debug tool called by popen--at startup

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Re: need way to debug tool called by popen--at startup

Subject: Re: need way to debug tool called by popen--at startup
From: Greg Guerin <email@hidden>
Date: Thu, 30 Apr 2009 10:31:40 -0700

Jonas Maebe wrote:

Alternatively, you can add a sleep(10) or however long you need at the beginning of the command line tool, so that you do get enough time to attach gdb manually.

The functions sigsuspend() and pause() may also be useful. There are specific signals that always and only pause/continue a process (SIGSTOP, SIGCONT).

Another useful thing is to condition the call to sleep(), pause(), etc. on the presence of a specific environment variable value. Then to force the initial pause, you set the env-var, but normally you don't. This allows one to enable and disable the pause without having to recompile.

  -- GG

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