diff options
Diffstat (limited to 'sysdeps/pthread/tst-cancel26.c')
-rw-r--r-- | sysdeps/pthread/tst-cancel26.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cancel26.c b/sysdeps/pthread/tst-cancel26.c new file mode 100644 index 0000000000..91948ae909 --- /dev/null +++ b/sysdeps/pthread/tst-cancel26.c @@ -0,0 +1,68 @@ +/* Check for failure paths handling for cancellation points. + Copyright (C) 2015-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* Check that the cancel syscall points handles both the errno and return code + correctly for invalid arguments. */ +static void * +tf (void *arg) +{ +#ifdef SET_CANCEL_DISABLE + pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL); +#endif + + /* This is a cancellation point, but we should not be cancelled. */ + int r = write (-1, 0, 0); + + if (r != -1 || errno != EBADF) + { + printf ("error: write returned %d, errno %d\n", r, errno); + exit (1); + } + + return NULL; +} + +static int +do_test (void) +{ + pthread_t th; + + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("error: pthread_create failed"); + exit (1); + } + + if (pthread_join (th, NULL) != 0) + { + puts ("error: pthread_join failed"); + exit (1); + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |