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https://github.com/jart/cosmopolitan.git
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61 lines
3 KiB
C
61 lines
3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2024 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above 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 THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR 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 │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/timespec.h"
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#include "libc/intrin/safemacros.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/mem.h"
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#include "libc/stdio/rand.h"
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#include "libc/stdio/stdio.h"
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#include "libc/testlib/subprocess.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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#define ITERATIONS 1000
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#define THREADS 10
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#define SIZE 1024
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void *Worker(void *arg) {
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for (int i = 0; i < ITERATIONS; ++i) {
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char *p;
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ASSERT_NE(NULL, (p = malloc(lemur64() % SIZE)));
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ASSERT_NE(NULL, (p = realloc(p, max(lemur64() % SIZE, 1))));
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free(p);
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}
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return 0;
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}
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TEST(malloc, torture) {
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int i, n = THREADS;
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pthread_t *t = gc(malloc(sizeof(pthread_t) * n));
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if (!n)
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return;
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printf("\nmalloc torture test w/ %d threads and %d iterations\n", n,
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ITERATIONS);
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SPAWN(fork);
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struct timespec t1 = timespec_real();
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for (i = 0; i < n; ++i)
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ASSERT_EQ(0, pthread_create(t + i, 0, Worker, 0));
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for (i = 0; i < n; ++i)
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ASSERT_EQ(0, pthread_join(t[i], 0));
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struct timespec t2 = timespec_real();
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printf("consumed %g wall and %g cpu seconds\n",
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timespec_tomicros(timespec_sub(t2, t1)) * 1e-6,
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(double)clock() / CLOCKS_PER_SEC);
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EXITS(0);
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}
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