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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2016 Joyent, Inc.
*/
/*
* Test various C11 thread-specific storage (tss(3C)) interfaces.
*/
#include <threads.h>
#include <sys/debug.h>
#define TSS_NTHREADS 128
static tss_t ct_key;
static int ct_count;
static int ct_ready;
static mtx_t ct_mtx;
static cnd_t ct_cnd;
static void
ct_tss_dtor(void *arg)
{
VERIFY3S(mtx_lock(&ct_mtx), ==, thrd_success);
ct_count++;
VERIFY3S(mtx_unlock(&ct_mtx), ==, thrd_success);
}
static int
ct_tss_thr(void *arg)
{
VERIFY3P(tss_get(ct_key), ==, NULL);
VERIFY3S(tss_set(ct_key, arg), ==, thrd_success);
VERIFY3S(mtx_lock(&ct_mtx), ==, thrd_success);
ct_ready++;
if (ct_ready == TSS_NTHREADS) {
VERIFY3S(cnd_broadcast(&ct_cnd), ==, thrd_success);
} else {
while (ct_ready != TSS_NTHREADS) {
VERIFY3S(cnd_wait(&ct_cnd, &ct_mtx), ==, thrd_success);
}
}
VERIFY3S(mtx_unlock(&ct_mtx), ==, thrd_success);
VERIFY3P(tss_get(ct_key), ==, arg);
return (0);
}
int
main(void)
{
int i;
thrd_t threads[TSS_NTHREADS];
VERIFY3S(tss_create(&ct_key, ct_tss_dtor), ==, thrd_success);
VERIFY3S(mtx_init(&ct_mtx, mtx_plain), ==, thrd_success);
VERIFY3S(cnd_init(&ct_cnd), ==, thrd_success);
for (i = 0; i < TSS_NTHREADS; i++) {
VERIFY3S(thrd_create(&threads[i], ct_tss_thr,
(void *)(uintptr_t)(i + 100)), ==, thrd_success);
}
for (i = 0; i < TSS_NTHREADS; i++) {
VERIFY3S(thrd_join(threads[i], NULL), ==, thrd_success);
}
VERIFY3S(ct_count, ==, TSS_NTHREADS);
mtx_destroy(&ct_mtx);
cnd_destroy(&ct_cnd);
tss_delete(ct_key);
return (0);
}
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