mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-09 23:00:07 +00:00
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Measure pthread_create thread creation with different stack
|
|
and guard sizes.
|
|
|
|
Copyright (C) 2017-2023 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 <stdio.h>
|
|
#include <unistd.h>
|
|
#include <support/xthread.h>
|
|
|
|
static size_t pgsize;
|
|
|
|
static void
|
|
thread_create_init (void)
|
|
{
|
|
pgsize = sysconf (_SC_PAGESIZE);
|
|
}
|
|
|
|
static void *
|
|
thread_dummy (void *arg)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
thread_create (int nthreads, size_t stacksize, size_t guardsize)
|
|
{
|
|
pthread_attr_t attr;
|
|
xpthread_attr_init (&attr);
|
|
|
|
stacksize = stacksize * pgsize;
|
|
guardsize = guardsize * pgsize;
|
|
|
|
xpthread_attr_setstacksize (&attr, stacksize);
|
|
xpthread_attr_setguardsize (&attr, guardsize);
|
|
|
|
pthread_t ts[nthreads];
|
|
|
|
for (int i = 0; i < nthreads; i++)
|
|
ts[i] = xpthread_create (&attr, thread_dummy, NULL);
|
|
|
|
for (int i = 0; i < nthreads; i++)
|
|
xpthread_join (ts[i]);
|
|
}
|