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Diffstat (limited to 'tests/Process_Mutex_Test.cpp')
-rw-r--r-- | tests/Process_Mutex_Test.cpp | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/tests/Process_Mutex_Test.cpp b/tests/Process_Mutex_Test.cpp deleted file mode 100644 index e5c45a4346f..00000000000 --- a/tests/Process_Mutex_Test.cpp +++ /dev/null @@ -1,206 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// tests -// -// = FILENAME -// Process_Mutex_Test.cpp -// -// = DESCRIPTION -// Tests an <ACE_Process_Mutex> shared between multiple child processes. -// -// = AUTHOR -// Irfan Pyarali <irfan@cs.wustl.edu> -// -// ============================================================================ - -#include "test_config.h" -#include "ace/Synch.h" -#include "ace/Process.h" -#include "ace/Process_Mutex.h" -#include "ace/Get_Opt.h" - -ACE_RCSID(tests, Process_Mutex_Test, "$Id$") - -#if !defined (ACE_LACKS_FORK) -static int release_mutex = 1; -static int child_process = 0; -static const char *mutex_name = ACE_DEFAULT_MUTEX; -#if defined (__Lynx__) -static const u_int n_processes = 4; -#else /* ! __Lynx__ */ -static const u_int n_processes = ACE_MAX_PROCESSES; -#endif /* ! __Lynx__ */ - -// Explain usage and exit. -static void -print_usage_and_die (void) -{ - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("usage: %n [-d (don't release mutex)] ") - ACE_TEXT ("[-c (child process)] [-n mutex name]\n"))); - ACE_OS::exit (1); -} - -// Parse the command-line arguments and set options. -static void -parse_args (int argc, char *argv[]) -{ - ACE_Get_Opt get_opt (argc, argv, "dcn:"); - - int c; - - while ((c = get_opt ()) != -1) - switch (c) - { - case 'd': - release_mutex = 0; - break; - case 'c': - child_process = 1; - break; - case 'n': - mutex_name = get_opt.optarg; - break; - default: - print_usage_and_die (); - break; - } -} - -static void -acquire_release (void) -{ - ACE_Process_Mutex mutex (ACE_TEXT_CHAR_TO_TCHAR (mutex_name)); - - // Make sure the constructor succeeded - ACE_ASSERT (ACE_LOG_MSG->op_status () == 0); - - // To see if we really are the only holder of the mutex below, - // we'll try to create a file with exclusive access. If the file - // already exists, we're not the only one holding the mutex. - char mutex_check[MAXNAMLEN]; - ACE_OS::strcpy (mutex_check, mutex_name); - ACE_OS::strcat (mutex_check, ACE_TEXT ("_checker")); - - // Grab the lock - ACE_ASSERT (mutex.acquire () == 0); - - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("(%P) Mutex acquired %s\n"), - mutex_name)); - - ACE_HANDLE checker_handle = ACE_OS::open (mutex_check, O_CREAT | O_EXCL); - if (checker_handle == ACE_INVALID_HANDLE) - { - ACE_ASSERT (errno != EEXIST); - ACE_DEBUG ((LM_WARNING, ACE_TEXT ("(%P): %p\n"), - ACE_TEXT ("checker file open"))); - } - else - ACE_OS::close (checker_handle); - - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("(%P) Working....\n"))); - - // Do some "work", i.e., just sleep for a couple of seconds. - ACE_OS::sleep (2); - - // Free up the check file for the next acquirer. - ACE_OS::unlink (mutex_check); - - // Check if we need to release the mutex - if (release_mutex == 1) - { - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("(%P) Releasing the mutex %s\n"), - mutex_name)); - ACE_ASSERT (mutex.release () == 0); - } -} -#endif /* ! ACE_LACKS_FORK */ - -int -main (int argc, ACE_TCHAR *argv[]) -{ -#if defined (ACE_LACKS_FORK) - ACE_UNUSED_ARG (argc); - ACE_UNUSED_ARG (argv); - - ACE_START_TEST (ACE_TEXT ("Process_Mutex_Test")); - ACE_ERROR ((LM_INFO, - ACE_TEXT ("fork is not supported on this platform\n"))); - ACE_END_TEST; -#else /* ! ACE_LACKS_FORK */ - - parse_args (argc, argv); - - // Child process code. - if (child_process) - { - ACE_APPEND_LOG ("Process_Mutex_Test-children"); - acquire_release (); - ACE_END_LOG; - } - else - { - ACE_START_TEST (ACE_TEXT ("Process_Mutex_Test")); - ACE_INIT_LOG ("Process_Mutex_Test-children"); - - ACE_Process_Options options; - if (release_mutex == 0) - options.command_line (ACE_TEXT (".") ACE_DIRECTORY_SEPARATOR_STR - ACE_TEXT ("Process_Mutex_Test") - ACE_PLATFORM_EXE_SUFFIX - ACE_TEXT (" -c -n %s -d"), - ACE_TEXT_CHAR_TO_TCHAR (mutex_name)); - else - options.command_line (ACE_TEXT (".") ACE_DIRECTORY_SEPARATOR_STR - ACE_TEXT ("Process_Mutex_Test") - ACE_PLATFORM_EXE_SUFFIX - ACE_TEXT (" -c -n %s"), - ACE_TEXT_CHAR_TO_TCHAR (mutex_name)); - - // Spawn <n_processes> child processes that will contend for the - // lock. - ACE_Process children[n_processes]; - size_t i; - - for (i = 0; - i < n_processes; - i++) - { - // Spawn the child process. - int result = children[i].spawn (options); - ACE_ASSERT (result != -1); - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("Parent spawned child process with pid = %d.\n"), - children[i].getpid ())); - - // Give the newly spawned child process a chance to start... - ACE_OS::sleep (1); - } - - for (i = 0; i < n_processes; i++) - { - ACE_exitcode child_status; - // Wait for the child processes we created to exit. - ACE_ASSERT (children[i].wait (&child_status) != -1); - if (child_status == 0) - ACE_DEBUG ((LM_DEBUG, - ACE_TEXT ("Child %d finished ok\n"), - children[i].getpid ())); - else - ACE_ERROR ((LM_ERROR, - ACE_TEXT ("Child %d finished with status %d\n"), - children[i].getpid (), child_status)); - } - - ACE_END_TEST; - } -#endif /* ! ACE_LACKS_FORK */ - - return 0; -} |