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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Measure pthread_create thread creation with different stack
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and guard sizes.
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Copyright (C) 2017-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <unistd.h>
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#include <support/xthread.h>
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static size_t pgsize;
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static void
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thread_create_init (void)
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{
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pgsize = sysconf (_SC_PAGESIZE);
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}
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static void *
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thread_dummy (void *arg)
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{
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return NULL;
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}
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static void
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thread_create (int nthreads, size_t stacksize, size_t guardsize)
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{
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pthread_attr_t attr;
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xpthread_attr_init (&attr);
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stacksize = stacksize * pgsize;
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guardsize = guardsize * pgsize;
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xpthread_attr_setstacksize (&attr, stacksize);
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xpthread_attr_setguardsize (&attr, guardsize);
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pthread_t ts[nthreads];
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for (int i = 0; i < nthreads; i++)
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ts[i] = xpthread_create (&attr, thread_dummy, NULL);
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for (int i = 0; i < nthreads; i++)
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xpthread_join (ts[i]);
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}
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