From 1341f0c56cf70700e997075239b8ad7f108a611f Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 17 Dec 2009 13:54:23 +0100 Subject: further robustification of signal handler Signed-off-by: Denys Vlasenko --- src/Daemon/Daemon.cpp | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'src/Daemon/Daemon.cpp') diff --git a/src/Daemon/Daemon.cpp b/src/Daemon/Daemon.cpp index 8c7d009..5c1a7ac 100644 --- a/src/Daemon/Daemon.cpp +++ b/src/Daemon/Daemon.cpp @@ -399,11 +399,15 @@ static int Lock() static void handle_fatal_signal(int signo) { - s_sig_caught = signo; - // Enable for debug only, malloc & printf are unsafe in signal handlers + // Enable for debugging only, malloc/printf are unsafe in signal handlers //VERB3 log("Got signal %d", signo); + + uint8_t l_sig_caught; + s_sig_caught = l_sig_caught = signo; + /* Using local copy of s_sig_caught so that concurrent signal + * won't change it under us */ if (s_signal_pipe_write >= 0) - write(s_signal_pipe_write, &s_sig_caught, 1); + write(s_signal_pipe_write, &l_sig_caught, 1); } /* Signal pipe handler */ -- cgit