71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/* Test support for single-thread optimizations. No threads.
|
|
Copyright (C) 2020-2022 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 <stddef.h>
|
|
#include <stdio.h>
|
|
#include <support/check.h>
|
|
#include <support/namespace.h>
|
|
#include <support/xdlfcn.h>
|
|
#include <sys/single_threaded.h>
|
|
|
|
/* Defined in tst-single-threaded-mod1.so. */
|
|
extern _Bool single_threaded_1 (void);
|
|
|
|
/* Initialized via dlsym. */
|
|
_Bool (*single_threaded_2) (void);
|
|
_Bool (*single_threaded_3) (void);
|
|
|
|
static void
|
|
subprocess (void *closure)
|
|
{
|
|
TEST_VERIFY (__libc_single_threaded);
|
|
TEST_VERIFY (single_threaded_1 ());
|
|
if (single_threaded_2 != NULL)
|
|
TEST_VERIFY (single_threaded_2 ());
|
|
if (single_threaded_3 != NULL)
|
|
TEST_VERIFY (!single_threaded_3 ());
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
TEST_VERIFY (__libc_single_threaded);
|
|
TEST_VERIFY (single_threaded_1 ());
|
|
support_isolate_in_subprocess (subprocess, NULL);
|
|
|
|
void *handle_mod2 = xdlopen ("tst-single_threaded-mod2.so", RTLD_LAZY);
|
|
single_threaded_2 = xdlsym (handle_mod2, "single_threaded_2");
|
|
TEST_VERIFY (single_threaded_2 ());
|
|
support_isolate_in_subprocess (subprocess, NULL);
|
|
|
|
/* The current implementation treats the inner namespace as
|
|
multi-threaded. */
|
|
void *handle_mod3 = dlmopen (LM_ID_NEWLM, "tst-single_threaded-mod3.so",
|
|
RTLD_LAZY);
|
|
single_threaded_3 = xdlsym (handle_mod3, "single_threaded_3");
|
|
TEST_VERIFY (!single_threaded_3 ());
|
|
support_isolate_in_subprocess (subprocess, NULL);
|
|
|
|
xdlclose (handle_mod3);
|
|
xdlclose (handle_mod2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|