Quelle  test_mutex3.c   Sprache: C

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
 * test_mutex3.c
 *
 * Tests multi-threaded functionality of Mutex
 *
 */

#include "testutil.h"
#include "testutil_nss.h"

static PKIX_PL_Mutex *mutex;
static void *plContext = NULL;

static void
t1(/* ARGSUSED */ void *arg)
{
    PKIX_Error *errorResult;

    (void)printf("t1 acquiring lock...\n");
    errorResult = PKIX_PL_Mutex_Lock(mutex, plContext);
    if (errorResult)
        testError("PKIX_PL_Mutex_Lock failed");

    (void)printf("t1 sleeplng for 3 seconds\n");
    PR_Sleep(PR_SecondsToInterval(3));
    (void)printf("t1 releasing lock...\n");

    errorResult = PKIX_PL_Mutex_Unlock(mutex, plContext);
    if (errorResult)
        testError("PKIX_PL_Mutex_Unlock failed");

    (void)printf("t1 exiting...\n");
}

static void
t2(/* ARGSUSED */ void *arg)
{
    PKIX_Error *errorResult;

    (void)printf("t2 acquiring lock...\n");
    errorResult = PKIX_PL_Mutex_Lock(mutex, plContext);
    if (errorResult)
        testError("PKIX_PL_Mutex_Lock failed");

    (void)printf("t2 releasing lock...\n");
    errorResult = PKIX_PL_Mutex_Unlock(mutex, plContext);
    if (errorResult)
        testError("PKIX_PL_Mutex_Unlock failed");

    (void)printf("t2 exiting...\n");
}

int
test_mutex3(int argc, char *argv[])
{
    PRThread *thread, *thread2;
    PKIX_UInt32 actualMinorVersion;
    PKIX_UInt32 j = 0;

    PKIX_TEST_STD_VARS();

    startTests("Mutex and Threads");

    PKIX_TEST_EXPECT_NO_ERROR(
        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));

    subTest("Mutex Creation");
    PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Mutex_Create(&mutex, plContext));

    subTest("Starting thread");
    thread = PR_CreateThread(PR_USER_THREAD,
                             t1,
                             NULL,
                             PR_PRIORITY_NORMAL,
                             PR_LOCAL_THREAD,
                             PR_JOINABLE_THREAD,
                             0);

    thread2 = PR_CreateThread(PR_USER_THREAD,
                              t2,
                              NULL,
                              PR_PRIORITY_NORMAL,
                              PR_LOCAL_THREAD,
                              PR_JOINABLE_THREAD,
                              0);

    PR_JoinThread(thread2);
    PR_JoinThread(thread);

cleanup:

    PKIX_TEST_DECREF_AC(mutex);

    PKIX_Shutdown(plContext);

    PKIX_TEST_RETURN();

    endTests("Mutex and Threads");

    return (0);
}