📄 process.cpp
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ACE_HANDLE std_out = ACE_STDOUT;
if (!::DuplicateHandle (::GetCurrentProcess (),
std_out,
::GetCurrentProcess (),
&startup_info.hStdOutput,
NULL,
TRUE,
DUPLICATE_SAME_ACCESS))
{
ACE_ERROR ((LM_ERROR,
"%p duplicate failed.\n",
"test_ls"));
return;
}
BOOL fork_result =
ACE_TEXT_CreateProcess ("c:\\Utils\\bin\\ls.exe",
"-a",
NULL, // No process attributes.
NULL, // No thread attributes.
TRUE, // Allow handle inheritance.
NULL, // CREATE_NEW_CONSOLE, // Create a new console window.
NULL,
0, // Current directory to start in.
&startup_info,
&process_info);
::CloseHandle (startup_info.hStdOutput);
if (fork_result == 0)
ACE_ERROR ((LM_ERROR,
"%p CreateProcess failed.\n",
"test_ls"));
else
{
::WaitForSingleObject (process_info.hProcess,
INFINITE);
ACE_DEBUG ((LM_ERROR,
"ls succeeded.\n"));
}
}
// This code spawns a new process. The new process inherits our
// existing environment, plus one more. This has to be done by hand
// since CreateProcess does not allow us to inherit AND add
// environment variables.
static void
win32_spawn_environment_process (void)
{
PROCESS_INFORMATION process_info;
ACE_TEXT_STARTUPINFO startup_info;
ACE_OS::memset ((void *) &startup_info,
0,
sizeof startup_info);
ACE_OS::memset ((void *) &process_info,
0,
sizeof process_info);
startup_info.cb = sizeof (startup_info);
startup_info.dwFlags = STARTF_USESTDHANDLES;
ACE_HANDLE std_in = ACE_STDIN;
ACE_HANDLE std_out = ACE_STDOUT;
ACE_HANDLE std_err = ACE_STDERR;
if (!::DuplicateHandle (::GetCurrentProcess(),
std_out,
::GetCurrentProcess(),
&startup_info.hStdOutput,
NULL,
TRUE,
DUPLICATE_SAME_ACCESS))
{
ACE_ERROR ((LM_ERROR,
"%p duplicate failed.\n", "spawn_environment_process"));
return;
}
if (!::DuplicateHandle (::GetCurrentProcess(),
std_err,
::GetCurrentProcess(),
&startup_info.hStdError,
NULL,
TRUE,
DUPLICATE_SAME_ACCESS))
{
ACE_ERROR ((LM_ERROR,
"%p duplicate failed.\n",
"spawn_environment_process"));
return;
}
if (!::DuplicateHandle (::GetCurrentProcess(),
std_in,
::GetCurrentProcess(),
&startup_info.hStdInput,
NULL,
TRUE,
DUPLICATE_SAME_ACCESS))
{
ACE_ERROR ((LM_ERROR,
"%p duplicate failed.\n",
"spawn_environment_process"));
return;
}
// Normally, this would be just GetEnvironmentStrings, but it
// doesn't follow the same rules as the rest of the Win32 API
char *existing_environment = ACE_OS::getenvstrings ();
char environment[10240];
ACE_OS::sprintf (environment,
"ACE_PROCESS_TEST=%s",
environment_string);
int size = 0;
while (existing_environment[size] != '\0')
size += ACE_OS::strlen (existing_environment + size) + 1;
ACE_OS::memcpy (environment + (ACE_OS::strlen (environment) + 1),
existing_environment,
size);
ACE_TEXT_FreeEnvironmentStrings (existing_environment);
BOOL fork_result =
ACE_TEXT_CreateProcess ("d:\\harrison\\ACE_wrappers\\examples\\OS\\Process\\process.exe",
"process -g",
NULL, // No process attributes.
NULL, // No thread attributes.
TRUE, // Allow handle inheritance.
NULL, // CREATE_NEW_CONSOLE, // Create a new console window.
environment, // Environment.
//"d:\\harrison\\ACE_wrappers\\examples\\OS\\Process\\",
0,
&startup_info,
&process_info);
::CloseHandle (startup_info.hStdOutput);
::CloseHandle (startup_info.hStdError);
if (fork_result == 0)
ACE_ERROR ((LM_ERROR,
"%p.\n",
"spawn_environment_process"));
else
{
::WaitForSingleObject (process_info.hProcess,
INFINITE);
ACE_DEBUG ((LM_ERROR,
"spawn_environment_process succeeded.\n"));
}
}
#endif
static void
test_setenv (const char *argv0)
{
ACE_Process_Options options;
// options.setenv ("ACE_PROCESS_TEST", "here's a really large number: %u", 0 - 1);
options.setenv ("ACE_PROCESS_TEST= here's a large number %u", 0 - 1);
options.setenv ("ACE_PROCESS_TEST2", "ophilli");
options.command_line ("%s -g", argv0);
ACE_Process process;
if (process.spawn (options) == -1)
{
ACE_ERROR ((LM_ERROR,
"%p.\n",
"test_setenv"));
return;
}
ACE_exitcode status;
process.wait (&status);
ACE_DEBUG ((LM_DEBUG,
"Process exit with status %d\n",
status));
}
// Tests the ACE_Tokenizer.
static void
tokenize (char *buffer)
{
// This tokenizer will replace all spaces with end-of-string
// characters and will preserve text between "" and '' pairs.
ACE_Tokenizer parser (buffer);
parser.delimiter_replace (' ', '\0');
parser.preserve_designators ('\"', '\"'); // " This quote is for emacs
parser.preserve_designators ('\'', '\'');
for (const char *temp; ;)
{
temp = parser.next ();
if (temp == 0)
break;
ACE_DEBUG ((LM_DEBUG,
temp));
ACE_DEBUG ((LM_DEBUG,
"\n"));
}
}
int
main (int argc, char *argv[])
{
if (ACE_LOG_MSG->open (argv[0]) == -1)
ACE_ERROR ((LM_ERROR,
"cannot open logger!!!\n"));
ACE_DEBUG ((LM_DEBUG,
"starting...\n"));
if (::parse_args (argc, argv) == -1)
return -1;
if (run_all)
{
ACE_Process_Options options;
options.command_line ("%s -d -l -s -w",
argv[0]);
ACE_Process process;
if (process.spawn (options) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p.\n",
"main"),
-1);
ACE_exitcode status;
process.wait (&status);
ACE_DEBUG ((LM_DEBUG,
"Process exit with status %d\n",
status));
}
if (run_date)
::test_date ();
if (run_setenv)
::test_setenv (argv[0]);
if (get_env)
{
ACE_DEBUG ((LM_DEBUG, "checking ACE_PROCESS_TEST\n"));
char *value = ACE_OS::getenv ("ACE_PROCESS_TEST");
char *value2 = ACE_OS::getenv ("ACE_PROCESS_TEST2");
ACE_DEBUG ((LM_DEBUG,
"ACE_PROCESS_TEST = %s.\n"
"ACE_PROCESS_TEST2 = %s.\n",
value == 0 ? "no value" : value,
value2 == 0 ? "no value" : value2));
}
if (run_ls)
::test_ls ();
if (run_wait)
::test_wait ();
#if defined (ACE_WIN32)
if (environment_string != 0)
win32_spawn_environment_process ();
#endif /* ACE_WIN32 */
if (print_file != 0)
test_more ();
char buf1[30];
char buf2[30];
ACE_OS::strcpy(buf1, " -f hi honey -g \"I\'m home\"");
ACE_OS::strcpy(buf2, "\"token 1\"\'token 2\'\"token 3\" ");
if (run_tokenizer)
{
tokenize ( buf1 );
tokenize ( buf2 );
}
return 0;
}
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