| 1 | // Licensed to the .NET Foundation under one or more agreements. | 
| 2 | // The .NET Foundation licenses this file to you under the MIT license. | 
| 3 | // See the LICENSE file in the project root for more information. | 
| 4 |  | 
| 5 | /*============================================================================= | 
| 6 | ** | 
| 7 | ** Source: test4.c | 
| 8 | ** | 
| 9 | ** Purpose: Positive test for OpenEventW. | 
| 10 | ** | 
| 11 | ** Dependencies: PAL_Initialize | 
| 12 | **               PAL_Terminate | 
| 13 | **               CreateEvent | 
| 14 | **               CloseHandle | 
| 15 | **               WaitForSingleObject | 
| 16 | ** | 
| 17 | ** Purpose: | 
| 18 | ** | 
| 19 | ** Test to ensure proper operation of the OpenEventW() | 
| 20 | ** API by trying to open an event with a name that is | 
| 21 | ** already taken by a non-event object. | 
| 22 | ** | 
| 23 | ** | 
| 24 | **===========================================================================*/ | 
| 25 | #include <palsuite.h> | 
| 26 |  | 
| 27 |  | 
| 28 |  | 
| 29 | int __cdecl main( int argc, char **argv ) | 
| 30 |  | 
| 31 | { | 
| 32 |     /* local variables */ | 
| 33 |     BOOL                    bRet = PASS; | 
| 34 |     DWORD                   dwLastError = 0; | 
| 35 |     HANDLE                  hMutex = NULL; | 
| 36 |     HANDLE                  hTestEvent = NULL; | 
| 37 |     LPSECURITY_ATTRIBUTES   lpSecurityAttributes = NULL; | 
| 38 |     BOOL                    bInitialState = TRUE; | 
| 39 |     WCHAR                   wcName[] = {'I','m','A','M','u','t','e','x','\0'}; | 
| 40 |     LPWSTR                  lpName = wcName; | 
| 41 |  | 
| 42 |  | 
| 43 |     /* PAL initialization */ | 
| 44 |     if( (PAL_Initialize(argc, argv)) != 0 ) | 
| 45 |     { | 
| 46 |         return( FAIL ); | 
| 47 |     } | 
| 48 |  | 
| 49 |     /* create a mutex object */ | 
| 50 |     hMutex = CreateMutexW(  lpSecurityAttributes, | 
| 51 |                              bInitialState, | 
| 52 |                              lpName ); | 
| 53 |  | 
| 54 |     if( hMutex == NULL ) | 
| 55 |     { | 
| 56 |         /* ERROR */ | 
| 57 |         Fail( "ERROR:%lu:CreateMutexW() call failed\n" , GetLastError() ); | 
| 58 |     } | 
| 59 |  | 
| 60 |     /* open a new handle to our event */ | 
| 61 |     hTestEvent = OpenEventW(EVENT_ALL_ACCESS,  /* we want all rights */ | 
| 62 |                             FALSE,             /* no inherit         */ | 
| 63 |                             lpName ); | 
| 64 |  | 
| 65 |     if( hTestEvent != NULL ) | 
| 66 |     { | 
| 67 |         /* ERROR */ | 
| 68 |         Trace( "ERROR:OpenEventW() call succeeded against a named "  | 
| 69 |                 "mutex, should have returned NULL\n"  ); | 
| 70 |         if( ! CloseHandle( hTestEvent ) ) | 
| 71 |         { | 
| 72 |             Trace( "ERROR:%lu:CloseHandle() call failed \n" , GetLastError() ); | 
| 73 |         } | 
| 74 |         bRet = FAIL; | 
| 75 |     } | 
| 76 |     else | 
| 77 |     { | 
| 78 |         dwLastError = GetLastError(); | 
| 79 |         if( dwLastError != ERROR_INVALID_HANDLE ) | 
| 80 |         { | 
| 81 |             /* ERROR */ | 
| 82 |             Trace( "ERROR:OpenEventW() call failed against a named "  | 
| 83 |                     "mutex, but returned an unexpected result: %lu\n" , | 
| 84 |                     dwLastError ); | 
| 85 |             bRet = FAIL; | 
| 86 |         } | 
| 87 |     } | 
| 88 |  | 
| 89 |  | 
| 90 |     /* close the mutex handle */ | 
| 91 |     if( ! CloseHandle( hMutex ) ) | 
| 92 |     { | 
| 93 |         Trace( "ERROR:%lu:CloseHandle() call failed \n" , GetLastError() ); | 
| 94 |         bRet = FAIL; | 
| 95 |     } | 
| 96 |  | 
| 97 |  | 
| 98 |     /* fail here if we weren't successful */ | 
| 99 |     if( bRet == FAIL ) | 
| 100 |     { | 
| 101 |         Fail( ""  ); | 
| 102 |     } | 
| 103 |  | 
| 104 |  | 
| 105 |     /* PAL termination */ | 
| 106 |     PAL_Terminate(); | 
| 107 |  | 
| 108 |     /* return success or failure */ | 
| 109 |     return PASS; | 
| 110 | } | 
| 111 |  | 
| 112 |  | 
| 113 |  |