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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-23 11:24:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-23 11:24:09 +0000 |
commit | e36b37583bebd229102f46c4ed7d2f6fad8697d4 (patch) | |
tree | 73937b6f051fcaaa1ccbdfbaa9f3a1f36bbedb9e /regressions/ck_fifo/validate/ck_fifo_mpmc.c | |
parent | Initial commit. (diff) | |
download | ck-e36b37583bebd229102f46c4ed7d2f6fad8697d4.tar.xz ck-e36b37583bebd229102f46c4ed7d2f6fad8697d4.zip |
Adding upstream version 0.6.0.upstream/0.6.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'regressions/ck_fifo/validate/ck_fifo_mpmc.c')
-rw-r--r-- | regressions/ck_fifo/validate/ck_fifo_mpmc.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/regressions/ck_fifo/validate/ck_fifo_mpmc.c b/regressions/ck_fifo/validate/ck_fifo_mpmc.c new file mode 100644 index 0000000..89eb2f4 --- /dev/null +++ b/regressions/ck_fifo/validate/ck_fifo_mpmc.c @@ -0,0 +1,168 @@ +/* + * Copyright 2011-2015 Samy Al Bahra. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <pthread.h> +#include <ck_fifo.h> + +#include "../../common.h" + +#ifdef CK_F_FIFO_MPMC +#ifndef ITERATIONS +#define ITERATIONS 128 +#endif + +struct context { + unsigned int tid; + unsigned int previous; + unsigned int next; +}; + +struct entry { + int tid; + int value; +}; + +static int nthr; + +#ifdef CK_F_FIFO_MPMC +static ck_fifo_mpmc_t fifo CK_CC_CACHELINE; +#endif + +static struct affinity a; +static int size; +static unsigned int barrier; + +static void * +test(void *c) +{ +#ifdef CK_F_FIFO_MPMC + struct context *context = c; + struct entry *entry; + ck_fifo_mpmc_entry_t *fifo_entry, *garbage; + int i, j; + + if (aff_iterate(&a)) { + perror("ERROR: Could not affine thread"); + exit(EXIT_FAILURE); + } + + ck_pr_inc_uint(&barrier); + while (ck_pr_load_uint(&barrier) < (unsigned int)nthr); + + for (i = 0; i < ITERATIONS; i++) { + for (j = 0; j < size; j++) { + fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t)); + entry = malloc(sizeof(struct entry)); + entry->tid = context->tid; + ck_fifo_mpmc_enqueue(&fifo, fifo_entry, entry); + if (ck_fifo_mpmc_dequeue(&fifo, &entry, &garbage) == false) { + ck_error("ERROR [%u] Queue should never be empty.\n", context->tid); + } + + if (entry->tid < 0 || entry->tid >= nthr) { + ck_error("ERROR [%u] Incorrect value in entry.\n", entry->tid); + } + } + } + + for (i = 0; i < ITERATIONS; i++) { + for (j = 0; j < size; j++) { + fifo_entry = malloc(sizeof(ck_fifo_mpmc_entry_t)); + entry = malloc(sizeof(struct entry)); + entry->tid = context->tid; + while (ck_fifo_mpmc_tryenqueue(&fifo, fifo_entry, entry) == false) + ck_pr_stall(); + + while (ck_fifo_mpmc_trydequeue(&fifo, &entry, &garbage) == false) + ck_pr_stall(); + + if (entry->tid < 0 || entry->tid >= nthr) { + ck_error("ERROR [%u] Incorrect value in entry when using try interface.\n", entry->tid); + } + } + } +#endif + + return (NULL); +} + +int +main(int argc, char *argv[]) +{ + int i, r; + struct context *context; + ck_fifo_mpmc_entry_t *garbage; + pthread_t *thread; + + if (argc != 4) { + ck_error("Usage: validate <threads> <affinity delta> <size>\n"); + } + + a.request = 0; + a.delta = atoi(argv[2]); + + nthr = atoi(argv[1]); + assert(nthr >= 1); + + size = atoi(argv[3]); + assert(size > 0); + + context = malloc(sizeof(*context) * nthr); + assert(context); + + thread = malloc(sizeof(pthread_t) * nthr); + assert(thread); + + ck_fifo_mpmc_init(&fifo, malloc(sizeof(ck_fifo_mpmc_entry_t))); + ck_fifo_mpmc_deinit(&fifo, &garbage); + if (garbage == NULL) + ck_error("ERROR: Expected non-NULL stub node on deinit.\n"); + free(garbage); + ck_fifo_mpmc_init(&fifo, malloc(sizeof(ck_fifo_mpmc_entry_t))); + + for (i = 0; i < nthr; i++) { + context[i].tid = i; + r = pthread_create(thread + i, NULL, test, context + i); + assert(r == 0); + } + + for (i = 0; i < nthr; i++) + pthread_join(thread[i], NULL); + + return (0); +} +#else +int +main(void) +{ + fprintf(stderr, "Unsupported.\n"); + return 0; +} +#endif + |