mariadb/ft/tests/threadpool-test.c
Leif Walsh a367232ad2 refs #5206 merge work making our code c99 and c++11 compatible, to mainline
git-svn-id: file:///svn/toku/tokudb@45632 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-17 00:00:58 -04:00

132 lines
4 KiB
C

/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2011 Tokutek Inc. All rights reserved."
#include <toku_portability.h>
#include "test.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#if defined(HAVE_MALLOC_H)
# include <malloc.h>
#elif defined(HAVE_SYS_MALLOC_H)
# include <sys/malloc.h>
#endif
#include "toku_os.h"
#include <toku_pthread.h>
#include "threadpool.h"
struct my_threadpool {
THREADPOOL threadpool;
toku_mutex_t mutex;
toku_cond_t wait;
int closed;
int counter;
};
static void
my_threadpool_init (struct my_threadpool *my_threadpool, int max_threads) {
int r;
r = toku_thread_pool_create(&my_threadpool->threadpool, max_threads); assert(r == 0);
assert(my_threadpool != 0);
toku_mutex_init(&my_threadpool->mutex, 0);
toku_cond_init(&my_threadpool->wait, 0);
my_threadpool->closed = 0;
my_threadpool->counter = 0;
}
static void
my_threadpool_destroy (struct my_threadpool *my_threadpool, int max_threads) {
toku_mutex_lock(&my_threadpool->mutex);
my_threadpool->closed = 1;
toku_cond_broadcast(&my_threadpool->wait);
toku_mutex_unlock(&my_threadpool->mutex);
if (verbose) printf("current %d\n", toku_thread_pool_get_current_threads(my_threadpool->threadpool));
toku_thread_pool_destroy(&my_threadpool->threadpool); assert(my_threadpool->threadpool == 0);
assert(my_threadpool->counter == max_threads);
toku_mutex_destroy(&my_threadpool->mutex);
toku_cond_destroy(&my_threadpool->wait);
}
static void *
my_thread_f (void *arg) {
struct my_threadpool *my_threadpool = cast_to_typeof(my_threadpool) arg;
toku_mutex_lock(&my_threadpool->mutex);
my_threadpool->counter++;
while (!my_threadpool->closed) {
toku_cond_wait(&my_threadpool->wait, &my_threadpool->mutex);
}
toku_mutex_unlock(&my_threadpool->mutex);
if (verbose) printf("%lu:%s:exit\n", (unsigned long)toku_os_gettid(), __FUNCTION__);
return arg;
}
static void *my_malloc_always_fails(size_t n UU()) {
errno = ENOMEM;
return NULL;
}
static int
usage (void) {
printf("threadpool-test: [-v] [-malloc-fail] [N]\n");
printf("-malloc-fail simulate malloc failures\n");
printf("N max number of threads in the thread pool\n");
return 1;
}
int
test_main (int argc, const char *argv[]) {
int max_threads = 1;
int do_malloc_fail = 0;
int i;
for (i=1; i<argc; i++) {
const char *arg = argv[i];
if (strcmp(arg, "-h") == 0 || strcmp(arg, "-help") == 0) {
return usage();
} else if (strcmp(arg, "-v") == 0) {
verbose++;
continue;
} else if (strcmp(arg, "-q") == 0) {
verbose = 0;
continue;
} else if (strcmp(arg, "-malloc-fail") == 0) {
do_malloc_fail = 1;
continue;
} else
max_threads = atoi(arg);
}
struct my_threadpool my_threadpool;
THREADPOOL threadpool;
my_threadpool_init(&my_threadpool, max_threads);
threadpool = my_threadpool.threadpool;
if (verbose) printf("test threadpool_set_busy\n");
for (i=0; i<2*max_threads; i++) {
assert(toku_thread_pool_get_current_threads(threadpool) == (i >= max_threads ? max_threads : i));
int n = 1;
toku_thread_pool_run(threadpool, 0, &n, my_thread_f, &my_threadpool);
}
assert(toku_thread_pool_get_current_threads(threadpool) == max_threads);
my_threadpool_destroy(&my_threadpool, max_threads);
if (do_malloc_fail) {
if (verbose) printf("test threadpool_create with malloc failure\n");
// test threadpool malloc fails causes ENOMEM
toku_set_func_malloc(my_malloc_always_fails);
int r;
threadpool = NULL;
r = toku_thread_pool_create(&threadpool, 0); assert(r == ENOMEM);
r = toku_thread_pool_create(&threadpool, 1); assert(r == ENOMEM);
toku_set_func_malloc(NULL);
}
return 0;
}