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Diffstat (limited to 'tests/test-raise.c')
-rw-r--r-- | tests/test-raise.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/test-raise.c b/tests/test-raise.c new file mode 100644 index 00000000..45d05b9e --- /dev/null +++ b/tests/test-raise.c @@ -0,0 +1,50 @@ +/* Test raising a signal. + Copyright (C) 2011-2017 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include <signal.h> + +#include "signature.h" +SIGNATURE_CHECK (raise, int, (int)); + +#include <stdlib.h> + +#include "macros.h" + +/* It is safe to use _Noreturn here: exit() never returns, and GCC knows that + exit() is a non-returning function, even on platforms where its declaration + in <stdlib.h> does not have the 'noreturn' attribute. */ +static _Noreturn void +handler (int sig) +{ + exit (0); +} + +int +main (void) +{ + /* Test behaviour for invalid argument. */ + ASSERT (raise (-1) != 0); + + /* Test behaviour for SIGINT. */ + ASSERT (signal (SIGINT, handler) != SIG_ERR); + + raise (SIGINT); + + /* We should not get here, because the handler takes away the control. */ + exit (1); +} |