mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* A thread attribute with a small stack.
|
|
Copyright (C) 2019-2020 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 <support/xthread.h>
|
|
#include <allocate_once.h>
|
|
|
|
static void *
|
|
allocate (void *closure)
|
|
{
|
|
pthread_attr_t *result = malloc (sizeof (*result));
|
|
xpthread_attr_init (result);
|
|
support_set_small_thread_stack_size (result);
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
deallocate (void *ptr, void *closure)
|
|
{
|
|
xpthread_attr_destroy (ptr);
|
|
free (ptr);
|
|
}
|
|
|
|
static void *small_stack_attr;
|
|
|
|
pthread_attr_t *
|
|
support_small_stack_thread_attribute (void)
|
|
{
|
|
return allocate_once (&small_stack_attr, allocate, deallocate, NULL);
|
|
}
|
|
|
|
static void __attribute__ ((destructor))
|
|
fini (void)
|
|
{
|
|
if (small_stack_attr != NULL)
|
|
{
|
|
deallocate (small_stack_attr, NULL);
|
|
small_stack_attr = NULL;
|
|
}
|
|
}
|