diff options
Diffstat (limited to 'sysdeps/pthread/tst-cancel19.c')
-rw-r--r-- | sysdeps/pthread/tst-cancel19.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-cancel19.c b/sysdeps/pthread/tst-cancel19.c new file mode 100644 index 0000000..b6752d8 --- /dev/null +++ b/sysdeps/pthread/tst-cancel19.c @@ -0,0 +1,285 @@ +/* Copyright (C) 2003-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@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 <errno.h> +#include <error.h> +#include <fcntl.h> +#include <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/select.h> +#include <sys/time.h> +#include <unistd.h> + +static void * +tf (void *arg) +{ + return NULL; +} + +static void +handler (int sig) +{ +} + +static void __attribute__ ((noinline)) +clobber_lots_of_regs (void) +{ +#define X1(n) long r##n = 10##n; __asm __volatile ("" : "+r" (r##n)); +#define X2(n) X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4) +#define X3(n) X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4) + X3(0) X3(1) X3(2) X3(3) X3(4) +#undef X1 +#define X1(n) __asm __volatile ("" : : "r" (r##n)); + X3(0) X3(1) X3(2) X3(3) X3(4) +#undef X1 +#undef X2 +#undef X3 +} + +static int +do_test (void) +{ + pthread_t th; + int old, rc; + int ret = 0; + int fd[2]; + + rc = pipe (fd); + if (rc < 0) + error (EXIT_FAILURE, errno, "couldn't create pipe"); + + rc = pthread_create (&th, NULL, tf, NULL); + if (rc) + error (EXIT_FAILURE, rc, "couldn't create thread"); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "1st pthread_setcanceltype failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED && old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "1st pthread_setcanceltype returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + close (fd[0]); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after close failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED) + { + error (0, 0, "pthread_setcanceltype after close returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + close (fd[1]); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after 2nd close failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "pthread_setcanceltype after 2nd close returned invalid value %d", + old); + ret = 1; + } + + struct sigaction sa = { .sa_handler = handler, .sa_flags = 0 }; + sigemptyset (&sa.sa_mask); + sigaction (SIGALRM, &sa, NULL); + + struct itimerval it; + it.it_value.tv_sec = 1; + it.it_value.tv_usec = 0; + it.it_interval = it.it_value; + setitimer (ITIMER_REAL, &it, NULL); + + clobber_lots_of_regs (); + pause (); + + memset (&it, 0, sizeof (it)); + setitimer (ITIMER_REAL, &it, NULL); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after pause failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED) + { + error (0, 0, "pthread_setcanceltype after pause returned invalid value %d", + old); + ret = 1; + } + + it.it_value.tv_sec = 1; + it.it_value.tv_usec = 0; + it.it_interval = it.it_value; + setitimer (ITIMER_REAL, &it, NULL); + + clobber_lots_of_regs (); + pause (); + + memset (&it, 0, sizeof (it)); + setitimer (ITIMER_REAL, &it, NULL); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after 2nd pause failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "pthread_setcanceltype after 2nd pause returned invalid value %d", + old); + ret = 1; + } + + char fname[] = "/tmp/tst-cancel19-dir-XXXXXX\0foo/bar"; + char *enddir = strchr (fname, '\0'); + if (mkdtemp (fname) == NULL) + { + error (0, errno, "mkdtemp failed"); + ret = 1; + } + *enddir = '/'; + + clobber_lots_of_regs (); + creat (fname, 0400); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after creat failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED) + { + error (0, 0, "pthread_setcanceltype after creat returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + creat (fname, 0400); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after 2nd creat failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "pthread_setcanceltype after 2nd creat returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + open (fname, O_CREAT, 0400); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after open failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED) + { + error (0, 0, "pthread_setcanceltype after open returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + open (fname, O_CREAT, 0400); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after 2nd open failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "pthread_setcanceltype after 2nd open returned invalid value %d", + old); + ret = 1; + } + + *enddir = '\0'; + rmdir (fname); + + clobber_lots_of_regs (); + select (-1, NULL, NULL, NULL, NULL); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after select failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_DEFERRED) + { + error (0, 0, "pthread_setcanceltype after select returned invalid value %d", + old); + ret = 1; + } + + clobber_lots_of_regs (); + select (-1, NULL, NULL, NULL, NULL); + + rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old); + if (rc) + { + error (0, rc, "pthread_setcanceltype after 2nd select failed"); + ret = 1; + } + if (old != PTHREAD_CANCEL_ASYNCHRONOUS) + { + error (0, 0, "pthread_setcanceltype after 2nd select returned invalid value %d", + old); + ret = 1; + } + + pthread_join (th, NULL); + + return ret; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |