dlls/msvcrt/tests/signal.c

   1 /*
   2  * Unit test suite for signal function.
   3  *
   4  * Copyright 2009 Peter Rosin
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include <winbase.h>
  23 #include <signal.h>
  24
  25 static int test_value = 0;
  26
  27 static void __cdecl sighandler(int signum)
  28 {
  29     ++test_value;
  30 }
  31
  32 static void test_signal(void)
  33 {
  34     void (__cdecl *old)(int);
  35     int res;
  36
  37     old = signal(SIGBREAK, sighandler);
  38     ok(old != SIG_ERR, "Failed to install signal handler for SIGBREAK\n");
  39     test_value = 0;
  40     res = raise(SIGBREAK);
  41     ok(res == 0, "Failed to raise SIGBREAK\n");
  42     ok(test_value == 1, "SIGBREAK handler not invoked\n");
  43 }
  44
  45 START_TEST(signal)
  46 {
  47     test_signal();
  48 }