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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 2015 Joyent, Inc.
*/
/*
* workq testing routines
*
* What we want to guarantee is that every function is executed exactly once. To
* that end we have the callback function basically increment a global in the
* test around a mutex.
*/
#include <workq.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <thread.h>
#include <synch.h>
mutex_t wqt_lock = ERRORCHECKMUTEX;
uintptr_t wqt_count;
const char *
_umem_debug_init()
{
return ("default,verbose");
}
const char *
_umem_logging_init(void)
{
return ("fail,contents");
}
void *
workq_alloc(size_t size)
{
return (malloc(size));
}
/*ARGSUSED*/
void
workq_free(void *buf, size_t size)
{
free(buf);
}
/*ARGSUSED*/
int
wqt_fatal(void *item, void *arg)
{
return (-1);
}
int
wqt_add(void *item, void *arg)
{
uintptr_t a = (uintptr_t)item;
mutex_enter(&wqt_lock);
wqt_count += a;
mutex_exit(&wqt_lock);
return (0);
}
typedef struct wq_test {
const char *wq_desc; /* test description/name */
workq_proc_f *wq_proc; /* processing function */
int wq_rval; /* workq_work return value */
int wq_uerr; /* user error, if any */
uintptr_t wq_sum; /* expected sum */
void **wq_args; /* argument array */
} wq_test_t;
static void *wqt_empty_args[] = { NULL };
static void *wqt_single_args[] = { (void *)42, NULL };
static void *wqt_double_args[] = { (void *)42, (void *)27, NULL };
static void *wqt_wrap_args[] = {
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, NULL
};
static void *wqt_grow_args[] = {
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, (void *)1, (void *)1, (void *)1, (void *)1,
(void *)1, (void *)1, NULL
};
static wq_test_t wq_tests[] = {
{ "empty", wqt_add, 0, 0, 0, wqt_empty_args },
{ "single", wqt_add, 0, 0, 42, wqt_single_args },
{ "double", wqt_add, 0, 0, 69, wqt_double_args },
{ "wrap", wqt_add, 0, 0, 64, wqt_wrap_args },
{ "grow", wqt_add, 0, 0, 92, wqt_grow_args },
{ "fatal", wqt_fatal, WORKQ_UERROR, -1, -1, wqt_double_args }
};
#define NWQ_TESTS (sizeof (wq_tests) / sizeof (wq_test_t))
static void
wq_test_run(workq_t *wqp, wq_test_t *wqt)
{
int ret, err;
void **itemp = wqt->wq_args;
while (*itemp != NULL) {
if ((ret = workq_add(wqp, *itemp)) != 0) {
(void) fprintf(stderr, "test %s: failed to add item: "
"%s\n", wqt->wq_desc, strerror(errno));
exit(1);
}
itemp++;
}
wqt_count = 0;
ret = workq_work(wqp, wqt->wq_proc, NULL, &err);
if (ret != wqt->wq_rval) {
(void) fprintf(stderr, "test %s: got incorrect rval. "
"Expected %d, got %d (%d)\n", wqt->wq_desc, wqt->wq_rval,
ret, errno);
exit(1);
}
if (ret == WORKQ_UERROR && err != wqt->wq_uerr) {
(void) fprintf(stderr, "test %s: got incorrect user error. "
"Expected %d, got %d\n", wqt->wq_desc, wqt->wq_uerr, err);
exit(1);
}
if (ret == 0 && wqt_count != wqt->wq_sum) {
(void) fprintf(stderr, "test %s: got unexpected "
"result: %d, expected %d\n", wqt->wq_desc, wqt_count,
wqt->wq_sum);
exit(1);
}
}
int
main(void)
{
int ret, i, t;
workq_t *wqp;
int nthreads[] = { 1, 2, 4, 8, 16, 32, 64, 128, 256, -1 };
for (t = 0; nthreads[t] != -1; t++) {
printf("Beginning tests with %d threads\n", nthreads[t]);
if ((ret = workq_init(&wqp, nthreads[t])) != 0) {
fprintf(stderr, "failed to init workq: %s\n",
strerror(errno));
return (1);
}
for (i = 0; i < NWQ_TESTS; i++) {
wq_test_run(wqp, &wq_tests[i]);
}
workq_fini(wqp);
}
return (0);
}
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