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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-06-14 16:15:39 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-06-14 16:16:59 +0000 |
commit | 45fce058fe7c9a14800a10564a7bc1970f4c7c49 (patch) | |
tree | 73beb97bba4d931136d3d5d5d3c8f114846dd049 /sysdeps/pthread/tst-cancel9.c | |
parent | 662de0889a040e3ebeefcfdde547edc8a11f87d7 (diff) | |
download | glibc-45fce058fe7c9a14800a10564a7bc1970f4c7c49.tar.gz |
htl: Enable more cancellation tests
* nptl/tst-cancel-self-cancelstate.c, tst-cancel-self.c, tst-cancel9.c,
tst-cancelx9.c: Move to...
* sysdeps/pthread: ... here.
* nptl/Makefile: Move corresponding references and rules to...
* sysdeps/pthread/Makefile: ... here.
Diffstat (limited to 'sysdeps/pthread/tst-cancel9.c')
-rw-r--r-- | sysdeps/pthread/tst-cancel9.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cancel9.c b/sysdeps/pthread/tst-cancel9.c new file mode 100644 index 0000000000..02d7c3a091 --- /dev/null +++ b/sysdeps/pthread/tst-cancel9.c @@ -0,0 +1,125 @@ +/* Copyright (C) 2003-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + 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 <fcntl.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + + +static pthread_barrier_t b; + + +static void +cleanup (void *arg) +{ + fputs ("in cleanup\n", stdout); +} + + +static void * +tf (void *arg) +{ + int fd = open ("/dev/null", O_RDWR); + if (fd == -1) + { + puts ("cannot open /dev/null"); + exit (1); + } + FILE *fp = fdopen (fd, "w"); + if (fp == NULL) + { + puts ("fdopen failed"); + exit (1); + } + + pthread_cleanup_push (cleanup, NULL); + + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("barrier_wait failed"); + exit (1); + } + + while (1) + /* fprintf() uses write() which is a cancallation point. */ + fprintf (fp, "foo"); + + pthread_cleanup_pop (0); + + return NULL; +} + + +static int +do_test (void) +{ + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("create failed"); + return 1; + } + + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("barrier_wait failed"); + exit (1); + } + + sleep (1); + + puts ("cancel now"); + + if (pthread_cancel (th) != 0) + { + puts ("cancel failed"); + exit (1); + } + + puts ("waiting for the child"); + + void *r; + if (pthread_join (th, &r) != 0) + { + puts ("join failed"); + exit (1); + } + + if (r != PTHREAD_CANCELED) + { + puts ("thread wasn't canceled"); + exit (1); + } + + return 0; +} + + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |