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228 lines
7.9 KiB
C
228 lines
7.9 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the PKIX-C library.
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*
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* The Initial Developer of the Original Code is
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* Sun Microsystems, Inc.
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* Portions created by the Initial Developer are
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* Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
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*
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* Contributor(s):
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* Sun Microsystems, Inc.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* test_rwlock.c
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*
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*/
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#include "testutil.h"
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#include "testutil_nss.h"
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static PKIX_PL_RWLock *rwlock = NULL, *rwlock2 = NULL, *rwlock3 = NULL;
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static PRThread *thread = NULL, *thread2 = NULL, *thread3 = NULL;
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static void *plContext = NULL;
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static void reader(void) {
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PKIX_Error *errorResult;
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errorResult = PKIX_PL_AcquireReaderLock(rwlock, NULL);
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if (errorResult) testError("PKIX_PL_AcquireReaderLock failed");
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(void) printf("\t[Thread #1 Read Lock #1.]\n");
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(void) printf("\t[Thread #1 Sleeplng for 1 seconds.]\n");
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PR_Sleep(PR_SecondsToInterval(1));
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PKIX_PL_ReleaseReaderLock(rwlock, NULL);
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if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed");
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(void) printf("\t[Thread #1 Read UNLock #1.]\n");
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}
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static void writer(void) {
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PKIX_Error *errorResult;
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/* This thread should stick here until lock 1 is released */
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PKIX_PL_AcquireWriterLock(rwlock, NULL);
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if (errorResult) testError("PKIX_PL_AcquireWriterLock failed");
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(void) printf("\t[Thread #2 Write Lock #1.]\n");
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PKIX_PL_AcquireWriterLock(rwlock2, NULL);
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if (errorResult) testError("PKIX_PL_AcquireWriterLock failed");
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(void) printf("\t[Thread #2 Write Lock #2.]\n");
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(void) printf("\t[Thread #2 Sleeplng for 1 seconds.]\n");
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PR_Sleep(PR_SecondsToInterval(1));
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PKIX_PL_ReleaseWriterLock(rwlock2, NULL);
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if (errorResult) testError("PKIX_PL_ReleaseWriterLock failed");
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(void) printf("\t[Thread #2 Write UNLock #2.]\n");
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(void) printf("\t[Thread #2 Sleeplng for 1 seconds.]\n");
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PR_Sleep(PR_SecondsToInterval(1));
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PKIX_PL_ReleaseWriterLock(rwlock, NULL);
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if (errorResult) testError("PKIX_PL_ReleaseWriterLock failed");
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(void) printf("\t[Thread #2 Write UNLock #1.]\n");
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PR_JoinThread(thread3);
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}
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static void reader2(void) {
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PKIX_Error *errorResult;
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/* Reader 2 should yield here until the writer is done */
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PKIX_PL_AcquireReaderLock(rwlock2, NULL);
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if (errorResult) testError("PKIX_PL_AcquireReaderLock failed");
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(void) printf("\t[Thread #3 Read Lock #2.]\n");
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PKIX_PL_AcquireReaderLock(rwlock3, NULL);
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if (errorResult) testError("PKIX_PL_AcquireReaderLock failed");
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(void) printf("\t[Thread #3 Read Lock #3.]\n");
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(void) printf("\t[Thread #3 Sleeplng for 1 seconds.]\n");
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PR_Sleep(PR_SecondsToInterval(1));
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PKIX_PL_ReleaseReaderLock(rwlock3, NULL);
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if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed");
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(void) printf("\t[Thread #3 Read UNLock #3.]\n");
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(void) printf("\t[Thread #3 Sleeplng for 1 seconds.]\n");
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PR_Sleep(PR_SecondsToInterval(1));
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PKIX_PL_ReleaseReaderLock(rwlock2, NULL);
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if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed");
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(void) printf("\t[Thread #3 Read UNLock #2.]\n");
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}
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int test_rwlock() {
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PKIX_PL_String* outputString = NULL;
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PKIX_UInt32 j = 0;
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PKIX_Boolean bool;
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PKIX_UInt32 actualMinorVersion;
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PKIX_TEST_STD_VARS();
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startTests("RWLocks");
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PKIX_TEST_EXPECT_NO_ERROR(
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PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));
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(void) printf("Attempting to create new rwlock...\n");
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock, plContext));
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock2, plContext));
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock3, plContext));
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/* Test toString functionality */
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString
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((PKIX_PL_Object*)rwlock, &outputString, plContext));
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(void) printf("Testing RWLock toString: %s\n",
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PKIX_String2ASCII(outputString));
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PKIX_TEST_DECREF_BC(outputString);
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/* Call Equals on two different objects */
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals
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((PKIX_PL_Object*)rwlock,
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(PKIX_PL_Object*)rwlock2,
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&bool,
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plContext));
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(void) printf("Testing RWLock Equals: %d (should be 0)\n", bool);
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if (bool != 0)
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testError("Error in RWLock_Equals");
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/* Call Equals on two equal objects */
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object*)rwlock,
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(PKIX_PL_Object*)rwlock, &bool, plContext));
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(void) printf("Testing RWLock Equals: %d (should be 1)\n", bool);
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if (bool != 1)
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testError("Error in RWLock_Equals");
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subTest("Multi-Thread Read/Write Lock Testing");
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PKIX_TEST_EXPECT_NO_ERROR
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(PKIX_PL_AcquireReaderLock(rwlock, plContext));
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(void) printf("\t[Main Thread Read Lock #1.]\n");
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thread = PR_CreateThread(PR_USER_THREAD,
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reader,
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NULL,
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PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD,
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PR_JOINABLE_THREAD,
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0);
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thread2 = PR_CreateThread(PR_USER_THREAD,
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writer,
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NULL,
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PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD,
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PR_JOINABLE_THREAD,
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0);
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thread3 = PR_CreateThread(PR_USER_THREAD,
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reader2,
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NULL,
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PR_PRIORITY_NORMAL,
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PR_LOCAL_THREAD,
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PR_JOINABLE_THREAD,
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0);
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PR_JoinThread(thread);
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PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_ReleaseReaderLock
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(rwlock, plContext));
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(void) printf("\t[Main Thread Read Unlock #1.]\n");
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PR_JoinThread(thread2);
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cleanup:
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/* Test destructor */
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subTest("Testing destructor...");
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PKIX_TEST_DECREF_AC(rwlock);
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PKIX_TEST_DECREF_AC(rwlock2);
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PKIX_TEST_DECREF_AC(rwlock3);
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pkixTestTempResult = PKIX_Shutdown(plContext);
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if (pkixTestTempResult) pkixTestErrorResult = pkixTestTempResult;
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PKIX_TEST_RETURN();
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endTests("RWLocks");
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return (0);
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}
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