diff options
Diffstat (limited to 'security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c')
| -rw-r--r-- | security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c b/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c new file mode 100644 index 0000000000..9c09d6479e --- /dev/null +++ b/security/nss/cmd/libpkix/pkix_pl/system/test_rwlock.c @@ -0,0 +1,204 @@ +/* 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_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); +} |