diff options
Diffstat (limited to 'mozilla/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c')
| -rw-r--r-- | mozilla/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/mozilla/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c b/mozilla/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c new file mode 100644 index 0000000..ad48ee8 --- /dev/null +++ b/mozilla/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c @@ -0,0 +1,227 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the PKIX-C library. + * + * The Initial Developer of the Original Code is + * Sun Microsystems, Inc. + * Portions created by the Initial Developer are + * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. + * + * Contributor(s): + * Sun Microsystems, Inc. + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +/* + * test_rwlock.c + * + */ + +#include "testutil.h" +#include "testutil_nss.h" + +static PKIX_PL_RWLock *rwlock = NULL, *rwlock2 = NULL, *rwlock3 = NULL; +static PRThread *thread = NULL, *thread2 = NULL, *thread3 = NULL; +static void *plContext = NULL; + +static void reader(void) { + PKIX_Error *errorResult; + + errorResult = PKIX_PL_AcquireReaderLock(rwlock, NULL); + if (errorResult) testError("PKIX_PL_AcquireReaderLock failed"); + + (void) printf("\t[Thread #1 Read Lock #1.]\n"); + (void) printf("\t[Thread #1 Sleeplng for 1 seconds.]\n"); + PR_Sleep(PR_SecondsToInterval(1)); + PKIX_PL_ReleaseReaderLock(rwlock, NULL); + if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed"); + (void) printf("\t[Thread #1 Read UNLock #1.]\n"); +} + + +static void writer(void) { + PKIX_Error *errorResult; + /* This thread should stick here until lock 1 is released */ + PKIX_PL_AcquireWriterLock(rwlock, NULL); + if (errorResult) testError("PKIX_PL_AcquireWriterLock failed"); + + (void) printf("\t[Thread #2 Write Lock #1.]\n"); + + PKIX_PL_AcquireWriterLock(rwlock2, NULL); + if (errorResult) testError("PKIX_PL_AcquireWriterLock failed"); + (void) printf("\t[Thread #2 Write Lock #2.]\n"); + + (void) printf("\t[Thread #2 Sleeplng for 1 seconds.]\n"); + PR_Sleep(PR_SecondsToInterval(1)); + + PKIX_PL_ReleaseWriterLock(rwlock2, NULL); + if (errorResult) testError("PKIX_PL_ReleaseWriterLock failed"); + (void) printf("\t[Thread #2 Write UNLock #2.]\n"); + + (void) printf("\t[Thread #2 Sleeplng for 1 seconds.]\n"); + PR_Sleep(PR_SecondsToInterval(1)); + + PKIX_PL_ReleaseWriterLock(rwlock, NULL); + if (errorResult) testError("PKIX_PL_ReleaseWriterLock failed"); + (void) printf("\t[Thread #2 Write UNLock #1.]\n"); + + PR_JoinThread(thread3); +} + +static void reader2(void) { + PKIX_Error *errorResult; + /* Reader 2 should yield here until the writer is done */ + + PKIX_PL_AcquireReaderLock(rwlock2, NULL); + if (errorResult) testError("PKIX_PL_AcquireReaderLock failed"); + + (void) printf("\t[Thread #3 Read Lock #2.]\n"); + + PKIX_PL_AcquireReaderLock(rwlock3, NULL); + if (errorResult) testError("PKIX_PL_AcquireReaderLock failed"); + (void) printf("\t[Thread #3 Read Lock #3.]\n"); + + (void) printf("\t[Thread #3 Sleeplng for 1 seconds.]\n"); + PR_Sleep(PR_SecondsToInterval(1)); + + PKIX_PL_ReleaseReaderLock(rwlock3, NULL); + if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed"); + (void) printf("\t[Thread #3 Read UNLock #3.]\n"); + + (void) printf("\t[Thread #3 Sleeplng for 1 seconds.]\n"); + PR_Sleep(PR_SecondsToInterval(1)); + + PKIX_PL_ReleaseReaderLock(rwlock2, NULL); + if (errorResult) testError("PKIX_PL_ReleaseReaderLock failed"); + (void) printf("\t[Thread #3 Read UNLock #2.]\n"); +} + + + +int test_rwlock() { + PKIX_PL_String* outputString = NULL; + PKIX_UInt32 j = 0; + PKIX_Boolean bool; + PKIX_UInt32 actualMinorVersion; + + PKIX_TEST_STD_VARS(); + startTests("RWLocks"); + + PKIX_TEST_EXPECT_NO_ERROR( + PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext)); + + (void) printf("Attempting to create new rwlock...\n"); + + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock, plContext)); + + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock2, plContext)); + + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_RWLock_Create(&rwlock3, plContext)); + + /* Test toString functionality */ + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_ToString + ((PKIX_PL_Object*)rwlock, &outputString, plContext)); + + (void) printf("Testing RWLock toString: %s\n", + PKIX_String2ASCII(outputString)); + + PKIX_TEST_DECREF_BC(outputString); + + /* Call Equals on two different objects */ + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals + ((PKIX_PL_Object*)rwlock, + (PKIX_PL_Object*)rwlock2, + &bool, + plContext)); + + (void) printf("Testing RWLock Equals: %d (should be 0)\n", bool); + + if (bool != 0) + testError("Error in RWLock_Equals"); + + /* Call Equals on two equal objects */ + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_Object_Equals((PKIX_PL_Object*)rwlock, + (PKIX_PL_Object*)rwlock, &bool, plContext)); + + (void) printf("Testing RWLock Equals: %d (should be 1)\n", bool); + if (bool != 1) + testError("Error in RWLock_Equals"); + + subTest("Multi-Thread Read/Write Lock Testing"); + + PKIX_TEST_EXPECT_NO_ERROR + (PKIX_PL_AcquireReaderLock(rwlock, plContext)); + (void) printf("\t[Main Thread Read Lock #1.]\n"); + + thread = PR_CreateThread(PR_USER_THREAD, + reader, + NULL, + PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, + PR_JOINABLE_THREAD, + 0); + + thread2 = PR_CreateThread(PR_USER_THREAD, + writer, + NULL, + PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, + PR_JOINABLE_THREAD, + 0); + + thread3 = PR_CreateThread(PR_USER_THREAD, + reader2, + NULL, + PR_PRIORITY_NORMAL, + PR_LOCAL_THREAD, + PR_JOINABLE_THREAD, + 0); + + PR_JoinThread(thread); + PKIX_TEST_EXPECT_NO_ERROR(PKIX_PL_ReleaseReaderLock + (rwlock, plContext)); + (void) printf("\t[Main Thread Read Unlock #1.]\n"); + + PR_JoinThread(thread2); + + + +cleanup: + + /* Test destructor */ + subTest("Testing destructor..."); + PKIX_TEST_DECREF_AC(rwlock); + PKIX_TEST_DECREF_AC(rwlock2); + PKIX_TEST_DECREF_AC(rwlock3); + + pkixTestTempResult = PKIX_Shutdown(plContext); + if (pkixTestTempResult) pkixTestErrorResult = pkixTestTempResult; + + PKIX_TEST_RETURN(); + + endTests("RWLocks"); + + return (0); +} |