notifier: Add proxy changed hook

[platform/upstream/connman.git] / src / log.c

diff --git a/src/log.c b/src/log.c
index 5298652..eb480b4 100644 (file)
--- a/src/log.c
+++ b/src/log.c
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -23,8 +23,12 @@
 #include <config.h>
 #endif
 
+#define _GNU_SOURCE
 #include <stdarg.h>
 #include <syslog.h>
+#include <stdlib.h>
+#include <execinfo.h>
+#include <dlfcn.h>
 
 #include "connman.h"
 
@@ -100,6 +104,49 @@ void connman_debug(const char *format, ...)
        va_end(ap);
 }
 
+static void signal_handler(int signo)
+{
+       void *frames[64];
+       char **symbols;
+       size_t n_ptrs;
+       unsigned int i;
+
+       n_ptrs = backtrace(frames, G_N_ELEMENTS(frames));
+       symbols = backtrace_symbols(frames, n_ptrs);
+       if (symbols == NULL) {
+               connman_error("No backtrace symbols");
+               exit(1);
+       }
+
+       connman_error("Aborting (signal %d)", signo);
+       connman_error("++++++++ backtrace ++++++++");
+
+       for (i = 1; i < n_ptrs; i++)
+               connman_error("[%d]: %s", i - 1, symbols[i]);
+
+       connman_error("+++++++++++++++++++++++++++");
+
+       g_free(symbols);
+       exit(1);
+}
+
+static void signal_setup(sighandler_t handler)
+{
+       struct sigaction sa;
+       sigset_t mask;
+
+       sigemptyset(&mask);
+       sa.sa_handler = handler;
+       sa.sa_mask = mask;
+       sa.sa_flags = 0;
+       sigaction(SIGBUS, &sa, NULL);
+       sigaction(SIGILL, &sa, NULL);
+       sigaction(SIGFPE, &sa, NULL);
+       sigaction(SIGSEGV, &sa, NULL);
+       sigaction(SIGABRT, &sa, NULL);
+       sigaction(SIGPIPE, &sa, NULL);
+}
+
 extern struct connman_debug_desc __start___debug[];
 extern struct connman_debug_desc __stop___debug[];
 
@@ -179,6 +226,8 @@ int __connman_log_init(const char *debug, connman_bool_t detach)
        if (detach == FALSE)
                option |= LOG_PERROR;
 
+       signal_setup(signal_handler);
+
        openlog("connmand", option, LOG_DAEMON);
 
        syslog(LOG_INFO, "Connection Manager version %s", VERSION);
@@ -192,5 +241,7 @@ void __connman_log_cleanup(void)
 
        closelog();
 
+       signal_setup(SIG_DFL);
+
        g_strfreev(enabled);
 }