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https://gitlab.isc.org/isc-projects/bind9
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Bob Halley
parent
1911d3aabe
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26ec6d6655
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/*
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* Copyright (C) 1998 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <pthread.h>
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#ifdef SOLARIS
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#include <thread.h>
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#endif
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#include <isc/assertions.h>
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#include <isc/mem.h>
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char *ptr1[50000];
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char *ptr2[50000];
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#define ALLOCSZ 100
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#undef THREADS
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#undef LOCKMUTEX
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#undef FINELOCK
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#undef GLOBALMUTEX
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#undef GLOBALMEMCTX
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#undef USE_MALLOC
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#undef FILL
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#define STATS
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pthread_mutex_t global_mutex = PTHREAD_MUTEX_INITIALIZER;
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mem_context_t global_ctx = NULL;
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static void
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work(int n, char **p, mem_context_t m, pthread_mutex_t *mutex) {
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int i;
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#if !defined(LOCKMUTEX)
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/* Always "use" mutex, so compilers don't complain. */
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mutex = NULL;
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#endif
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#if defined(THREADS) && defined(LOCKMUTEX) && !defined(FINELOCK)
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INSIST(pthread_mutex_lock(mutex) == 0);
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#endif
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for (i = 0; i < n; i++) {
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#if defined(THREADS) && defined(LOCKMUTEX) && defined(FINELOCK)
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INSIST(pthread_mutex_lock(mutex) == 0);
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#endif
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#ifdef USE_MALLOC
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p[i] = malloc(ALLOCSZ);
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#else
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p[i] = mem_allocate(m, ALLOCSZ);
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#endif
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#if defined(THREADS) && defined(LOCKMUTEX) && defined(FINELOCK)
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INSIST(pthread_mutex_unlock(mutex) == 0);
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#endif
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INSIST(p[i] != NULL);
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#if defined(FILL)
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{
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int j;
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for (j = 0; j < ALLOCSZ; j++)
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p[i][j] = j;
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}
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#endif
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}
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#if defined(THREADS) && defined(LOCKMUTEX) && !defined(FINELOCK)
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INSIST(pthread_mutex_unlock(mutex) == 0);
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#endif
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#if defined(THREADS) && defined(LOCKMUTEX) && !defined(FINELOCK)
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INSIST(pthread_mutex_lock(mutex) == 0);
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#endif
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for (i = 0; i < n; i++) {
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#if defined(THREADS) && defined(LOCKMUTEX) && defined(FINELOCK)
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INSIST(pthread_mutex_lock(mutex) == 0);
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#endif
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#ifdef USE_MALLOC
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free(p[i]);
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#else
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mem_free(m, p[i]);
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#endif
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#if defined(THREADS) && defined(LOCKMUTEX) && defined(FINELOCK)
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INSIST(pthread_mutex_unlock(mutex) == 0);
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#endif
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p[i] = NULL;
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}
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#if defined(THREADS) && defined(LOCKMUTEX) && !defined(FINELOCK)
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INSIST(pthread_mutex_unlock(mutex) == 0);
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#endif
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}
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static void *
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run(void *arg) {
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char **p = arg;
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mem_context_t m;
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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pthread_mutex_t *mutexp;
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#ifdef GLOBALMUTEX
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mutexp = &global_mutex;
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#else
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mutexp = &mutex;
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#endif
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#ifdef GLOBALMEMCTX
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m = global_ctx;
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#else
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INSIST(mem_context_create(0, 0, &m) == 0);
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#endif
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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work(50000, p, m, mutexp);
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#ifdef STATS
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mem_stats(m, stdout);
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#endif
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return (NULL);
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}
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int
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main(void) {
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#ifdef THREADS
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pthread_t t1, t2;
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#endif
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#ifdef GLOBALMEMCTX
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INSIST(mem_context_create(0, 0, &global_ctx) == 0);
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#endif
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#ifdef SOLARIS
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thr_setconcurrency(2); /* Ick. */
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#endif
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#ifdef THREADS
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INSIST(pthread_create(&t1, NULL, run, ptr1) == 0);
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INSIST(pthread_create(&t2, NULL, run, ptr2) == 0);
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(void)pthread_join(t1, NULL);
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(void)pthread_join(t2, NULL);
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#else
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run(ptr1);
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run(ptr2);
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#endif
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return (0);
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}
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