| /* Measure pthread_create thread creation with different stack |
| and guard sizes. |
| |
| Copyright (C) 2017-2018 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 |
| <http://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]); |
| } |