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Improved signal handling.

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Sending SIGTERM triggers a normal shutdown of all threads that waits
until they have processed their remaining data. However, sending a 2nd
SIGTERM while waiting for them to finish will immediately kill them
all.
This commit is contained in:
Robin Sommer 2012-02-03 03:03:38 -08:00
parent ffb4094d36
commit 4879cb7b0d
5 changed files with 56 additions and 0 deletions
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7
src/main.cc
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@ -333,6 +333,13 @@ RETSIGTYPE sig_handler(int signo)
{
set_processing_status("TERMINATING", "sig_handler");
signal_val = signo;
if ( thread_mgr->Terminating() && (signal_val == SIGTERM || signal_val == SIGINT) )
// If the thread manager is already terminating (i.e.,
// waiting for child threads to exit), another term signal
// will send the threads a kill.
thread_mgr->KillThreads();
return RETSIGVAL;
}