You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
525 lines
14 KiB
525 lines
14 KiB
/*=========================================================================
|
|
|
|
Program: KWSys - Kitware System Library
|
|
Module: $RCSfile: testProcess.c,v $
|
|
|
|
Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
|
|
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
|
|
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
PURPOSE. See the above copyright notices for more information.
|
|
|
|
=========================================================================*/
|
|
#include "kwsysPrivate.h"
|
|
#include KWSYS_HEADER(Process.h)
|
|
|
|
/* Work-around CMake dependency scanning limitation. This must
|
|
duplicate the above list of headers. */
|
|
#if 0
|
|
# include "Process.h.in"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#if defined(_WIN32)
|
|
# include <windows.h>
|
|
#else
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#if defined(__BORLANDC__)
|
|
# pragma warn -8060 /* possibly incorrect assignment */
|
|
#endif
|
|
|
|
#if defined(__BEOS__) && !defined(__ZETA__)
|
|
/* BeOS 5 doesn't have usleep(), but it has snooze(), which is identical. */
|
|
# include <be/kernel/OS.h>
|
|
static inline void testProcess_usleep(unsigned int msec)
|
|
{
|
|
snooze(msec);
|
|
}
|
|
#else
|
|
# define testProcess_usleep usleep
|
|
#endif
|
|
|
|
int runChild(const char* cmd[], int state, int exception, int value,
|
|
int share, int output, int delay, double timeout, int poll,
|
|
int repeat, int disown);
|
|
|
|
int test1(int argc, const char* argv[])
|
|
{
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output on stdout from test returning 0.\n");
|
|
fprintf(stderr, "Output on stderr from test returning 0.\n");
|
|
return 0;
|
|
}
|
|
|
|
int test2(int argc, const char* argv[])
|
|
{
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output on stdout from test returning 123.\n");
|
|
fprintf(stderr, "Output on stderr from test returning 123.\n");
|
|
return 123;
|
|
}
|
|
|
|
int test3(int argc, const char* argv[])
|
|
{
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output before sleep on stdout from timeout test.\n");
|
|
fprintf(stderr, "Output before sleep on stderr from timeout test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
#if defined(_WIN32)
|
|
Sleep(15000);
|
|
#else
|
|
sleep(15);
|
|
#endif
|
|
fprintf(stdout, "Output after sleep on stdout from timeout test.\n");
|
|
fprintf(stderr, "Output after sleep on stderr from timeout test.\n");
|
|
return 0;
|
|
}
|
|
|
|
int test4(int argc, const char* argv[])
|
|
{
|
|
#if defined(_WIN32)
|
|
/* Avoid error diagnostic popups since we are crashing on purpose. */
|
|
SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
|
|
#elif defined(__BEOS__)
|
|
/* Avoid error diagnostic popups since we are crashing on purpose. */
|
|
disable_debugger(1);
|
|
#endif
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output before crash on stdout from crash test.\n");
|
|
fprintf(stderr, "Output before crash on stderr from crash test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
*(int*)0 = 0;
|
|
fprintf(stdout, "Output after crash on stdout from crash test.\n");
|
|
fprintf(stderr, "Output after crash on stderr from crash test.\n");
|
|
return 0;
|
|
}
|
|
|
|
int test5(int argc, const char* argv[])
|
|
{
|
|
int r;
|
|
const char* cmd[4];
|
|
(void)argc;
|
|
cmd[0] = argv[0];
|
|
cmd[1] = "run";
|
|
cmd[2] = "4";
|
|
cmd[3] = 0;
|
|
fprintf(stdout, "Output on stdout before recursive test.\n");
|
|
fprintf(stderr, "Output on stderr before recursive test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
r = runChild(cmd, kwsysProcess_State_Exception,
|
|
kwsysProcess_Exception_Fault, 1, 1, 1, 0, 15, 0, 1, 0);
|
|
fprintf(stdout, "Output on stdout after recursive test.\n");
|
|
fprintf(stderr, "Output on stderr after recursive test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
return r;
|
|
}
|
|
|
|
#define TEST6_SIZE (4096*2)
|
|
void test6(int argc, const char* argv[])
|
|
{
|
|
int i;
|
|
char runaway[TEST6_SIZE+1];
|
|
(void)argc; (void)argv;
|
|
for(i=0;i < TEST6_SIZE;++i)
|
|
{
|
|
runaway[i] = '.';
|
|
}
|
|
runaway[TEST6_SIZE] = '\n';
|
|
|
|
/* Generate huge amounts of output to test killing. */
|
|
for(;;)
|
|
{
|
|
fwrite(runaway, 1, TEST6_SIZE+1, stdout);
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
|
|
/* Define MINPOLL to be one more than the number of times output is
|
|
written. Define MAXPOLL to be the largest number of times a loop
|
|
delaying 1/10th of a second should ever have to poll. */
|
|
#define MINPOLL 5
|
|
#define MAXPOLL 20
|
|
int test7(int argc, const char* argv[])
|
|
{
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output on stdout before sleep.\n");
|
|
fprintf(stderr, "Output on stderr before sleep.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
/* Sleep for 1 second. */
|
|
#if defined(_WIN32)
|
|
Sleep(1000);
|
|
#else
|
|
sleep(1);
|
|
#endif
|
|
fprintf(stdout, "Output on stdout after sleep.\n");
|
|
fprintf(stderr, "Output on stderr after sleep.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
return 0;
|
|
}
|
|
|
|
int test8(int argc, const char* argv[])
|
|
{
|
|
/* Create a disowned grandchild to test handling of processes
|
|
that exit before their children. */
|
|
int r;
|
|
const char* cmd[4];
|
|
(void)argc;
|
|
cmd[0] = argv[0];
|
|
cmd[1] = "run";
|
|
cmd[2] = "108";
|
|
cmd[3] = 0;
|
|
fprintf(stdout, "Output on stdout before grandchild test.\n");
|
|
fprintf(stderr, "Output on stderr before grandchild test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
r = runChild(cmd, kwsysProcess_State_Disowned, kwsysProcess_Exception_None,
|
|
1, 1, 1, 0, 10, 0, 1, 1);
|
|
fprintf(stdout, "Output on stdout after grandchild test.\n");
|
|
fprintf(stderr, "Output on stderr after grandchild test.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
return r;
|
|
}
|
|
|
|
int test8_grandchild(int argc, const char* argv[])
|
|
{
|
|
(void)argc; (void)argv;
|
|
fprintf(stdout, "Output on stdout from grandchild before sleep.\n");
|
|
fprintf(stderr, "Output on stderr from grandchild before sleep.\n");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
/* TODO: Instead of closing pipes here leave them open to make sure
|
|
the grandparent can stop listening when the parent exits. This
|
|
part of the test cannot be enabled until the feature is
|
|
implemented. */
|
|
fclose(stdout);
|
|
fclose(stderr);
|
|
#if defined(_WIN32)
|
|
Sleep(15000);
|
|
#else
|
|
sleep(15);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
int runChild2(kwsysProcess* kp,
|
|
const char* cmd[], int state, int exception, int value,
|
|
int share, int output, int delay, double timeout,
|
|
int poll, int disown)
|
|
{
|
|
int result = 0;
|
|
char* data = 0;
|
|
int length = 0;
|
|
double userTimeout = 0;
|
|
double* pUserTimeout = 0;
|
|
kwsysProcess_SetCommand(kp, cmd);
|
|
if(timeout >= 0)
|
|
{
|
|
kwsysProcess_SetTimeout(kp, timeout);
|
|
}
|
|
if(share)
|
|
{
|
|
kwsysProcess_SetPipeShared(kp, kwsysProcess_Pipe_STDOUT, 1);
|
|
kwsysProcess_SetPipeShared(kp, kwsysProcess_Pipe_STDERR, 1);
|
|
}
|
|
if(disown)
|
|
{
|
|
kwsysProcess_SetOption(kp, kwsysProcess_Option_Detach, 1);
|
|
}
|
|
kwsysProcess_Execute(kp);
|
|
|
|
if(poll)
|
|
{
|
|
pUserTimeout = &userTimeout;
|
|
}
|
|
|
|
if(!share && !disown)
|
|
{
|
|
int p;
|
|
while((p = kwsysProcess_WaitForData(kp, &data, &length, pUserTimeout)))
|
|
{
|
|
if(output)
|
|
{
|
|
if(poll && p == kwsysProcess_Pipe_Timeout)
|
|
{
|
|
fprintf(stdout, "WaitForData timeout reached.\n");
|
|
fflush(stdout);
|
|
|
|
/* Count the number of times we polled without getting data.
|
|
If it is excessive then kill the child and fail. */
|
|
if(++poll >= MAXPOLL)
|
|
{
|
|
fprintf(stdout, "Poll count reached limit %d.\n",
|
|
MAXPOLL);
|
|
kwsysProcess_Kill(kp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
fwrite(data, 1, length, stdout);
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
if(poll)
|
|
{
|
|
/* Delay to avoid busy loop during polling. */
|
|
#if defined(_WIN32)
|
|
Sleep(100);
|
|
#else
|
|
testProcess_usleep(100000);
|
|
#endif
|
|
}
|
|
if(delay)
|
|
{
|
|
/* Purposely sleeping only on Win32 to let pipe fill up. */
|
|
#if defined(_WIN32)
|
|
Sleep(100);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
if(disown)
|
|
{
|
|
kwsysProcess_Disown(kp);
|
|
}
|
|
else
|
|
{
|
|
kwsysProcess_WaitForExit(kp, 0);
|
|
}
|
|
|
|
switch (kwsysProcess_GetState(kp))
|
|
{
|
|
case kwsysProcess_State_Starting:
|
|
printf("No process has been executed.\n"); break;
|
|
case kwsysProcess_State_Executing:
|
|
printf("The process is still executing.\n"); break;
|
|
case kwsysProcess_State_Expired:
|
|
printf("Child was killed when timeout expired.\n"); break;
|
|
case kwsysProcess_State_Exited:
|
|
printf("Child exited with value = %d\n",
|
|
kwsysProcess_GetExitValue(kp));
|
|
result = ((exception != kwsysProcess_GetExitException(kp)) ||
|
|
(value != kwsysProcess_GetExitValue(kp))); break;
|
|
case kwsysProcess_State_Killed:
|
|
printf("Child was killed by parent.\n"); break;
|
|
case kwsysProcess_State_Exception:
|
|
printf("Child terminated abnormally: %s\n",
|
|
kwsysProcess_GetExceptionString(kp));
|
|
result = ((exception != kwsysProcess_GetExitException(kp)) ||
|
|
(value != kwsysProcess_GetExitValue(kp))); break;
|
|
case kwsysProcess_State_Disowned:
|
|
printf("Child was disowned.\n"); break;
|
|
case kwsysProcess_State_Error:
|
|
printf("Error in administrating child process: [%s]\n",
|
|
kwsysProcess_GetErrorString(kp)); break;
|
|
};
|
|
|
|
if(result)
|
|
{
|
|
if(exception != kwsysProcess_GetExitException(kp))
|
|
{
|
|
fprintf(stderr, "Mismatch in exit exception. "
|
|
"Should have been %d, was %d.\n",
|
|
exception, kwsysProcess_GetExitException(kp));
|
|
}
|
|
if(value != kwsysProcess_GetExitValue(kp))
|
|
{
|
|
fprintf(stderr, "Mismatch in exit value. "
|
|
"Should have been %d, was %d.\n",
|
|
value, kwsysProcess_GetExitValue(kp));
|
|
}
|
|
}
|
|
|
|
if(kwsysProcess_GetState(kp) != state)
|
|
{
|
|
fprintf(stderr, "Mismatch in state. "
|
|
"Should have been %d, was %d.\n",
|
|
state, kwsysProcess_GetState(kp));
|
|
result = 1;
|
|
}
|
|
|
|
/* We should have polled more times than there were data if polling
|
|
was enabled. */
|
|
if(poll && poll < MINPOLL)
|
|
{
|
|
fprintf(stderr, "Poll count is %d, which is less than %d.\n",
|
|
poll, MINPOLL);
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int runChild(const char* cmd[], int state, int exception, int value,
|
|
int share, int output, int delay, double timeout,
|
|
int poll, int repeat, int disown)
|
|
{
|
|
int result = 1;
|
|
kwsysProcess* kp = kwsysProcess_New();
|
|
if(!kp)
|
|
{
|
|
fprintf(stderr, "kwsysProcess_New returned NULL!\n");
|
|
return 1;
|
|
}
|
|
while(repeat-- > 0)
|
|
{
|
|
result = runChild2(kp, cmd, state, exception, value, share,
|
|
output, delay, timeout, poll, disown);
|
|
}
|
|
kwsysProcess_Delete(kp);
|
|
return result;
|
|
}
|
|
|
|
int main(int argc, const char* argv[])
|
|
{
|
|
int n = 0;
|
|
#if 0
|
|
{
|
|
HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
DuplicateHandle(GetCurrentProcess(), out,
|
|
GetCurrentProcess(), &out, 0, FALSE,
|
|
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
|
|
SetStdHandle(STD_OUTPUT_HANDLE, out);
|
|
}
|
|
{
|
|
HANDLE out = GetStdHandle(STD_ERROR_HANDLE);
|
|
DuplicateHandle(GetCurrentProcess(), out,
|
|
GetCurrentProcess(), &out, 0, FALSE,
|
|
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
|
|
SetStdHandle(STD_ERROR_HANDLE, out);
|
|
}
|
|
#endif
|
|
if(argc == 2)
|
|
{
|
|
n = atoi(argv[1]);
|
|
}
|
|
else if(argc == 3 && strcmp(argv[1], "run") == 0)
|
|
{
|
|
n = atoi(argv[2]);
|
|
}
|
|
/* Check arguments. */
|
|
if(((n >= 1 && n <= 8) || n == 108) && argc == 3)
|
|
{
|
|
/* This is the child process for a requested test number. */
|
|
switch (n)
|
|
{
|
|
case 1: return test1(argc, argv);
|
|
case 2: return test2(argc, argv);
|
|
case 3: return test3(argc, argv);
|
|
case 4: return test4(argc, argv);
|
|
case 5: return test5(argc, argv);
|
|
case 6: test6(argc, argv); return 0;
|
|
case 7: return test7(argc, argv);
|
|
case 8: return test8(argc, argv);
|
|
case 108: return test8_grandchild(argc, argv);
|
|
}
|
|
fprintf(stderr, "Invalid test number %d.\n", n);
|
|
return 1;
|
|
}
|
|
else if(n >= 1 && n <= 8)
|
|
{
|
|
/* This is the parent process for a requested test number. */
|
|
int states[8] =
|
|
{
|
|
kwsysProcess_State_Exited,
|
|
kwsysProcess_State_Exited,
|
|
kwsysProcess_State_Expired,
|
|
kwsysProcess_State_Exception,
|
|
kwsysProcess_State_Exited,
|
|
kwsysProcess_State_Expired,
|
|
kwsysProcess_State_Exited,
|
|
kwsysProcess_State_Exited
|
|
};
|
|
int exceptions[8] =
|
|
{
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_Fault,
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_None,
|
|
kwsysProcess_Exception_None
|
|
};
|
|
int values[8] = {0, 123, 1, 1, 0, 0, 0, 0};
|
|
int outputs[8] = {1, 1, 1, 1, 1, 0, 1, 1};
|
|
int delays[8] = {0, 0, 0, 0, 0, 1, 0, 0};
|
|
double timeouts[8] = {10, 10, 10, 10, 30, 10, -1, 10};
|
|
int polls[8] = {0, 0, 0, 0, 0, 0, 1, 0};
|
|
int repeat[8] = {2, 1, 1, 1, 1, 1, 1, 1};
|
|
int r;
|
|
const char* cmd[4];
|
|
#ifdef _WIN32
|
|
char* argv0 = 0;
|
|
if(n == 0 && (argv0 = strdup(argv[0])))
|
|
{
|
|
/* Try converting to forward slashes to see if it works. */
|
|
char* c;
|
|
for(c=argv0; *c; ++c)
|
|
{
|
|
if(*c == '\\')
|
|
{
|
|
*c = '/';
|
|
}
|
|
}
|
|
cmd[0] = argv0;
|
|
}
|
|
else
|
|
{
|
|
cmd[0] = argv[0];
|
|
}
|
|
#else
|
|
cmd[0] = argv[0];
|
|
#endif
|
|
cmd[1] = "run";
|
|
cmd[2] = argv[1];
|
|
cmd[3] = 0;
|
|
fprintf(stdout, "Output on stdout before test %d.\n", n);
|
|
fprintf(stderr, "Output on stderr before test %d.\n", n);
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
r = runChild(cmd, states[n-1], exceptions[n-1], values[n-1], 0,
|
|
outputs[n-1], delays[n-1], timeouts[n-1],
|
|
polls[n-1], repeat[n-1], 0);
|
|
fprintf(stdout, "Output on stdout after test %d.\n", n);
|
|
fprintf(stderr, "Output on stderr after test %d.\n", n);
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
#if _WIN32
|
|
if(argv0) { free(argv0); }
|
|
#endif
|
|
return r;
|
|
}
|
|
else if(argc > 2 && strcmp(argv[1], "0") == 0)
|
|
{
|
|
/* This is the special debugging test to run a given command
|
|
line. */
|
|
const char** cmd = argv+2;
|
|
int state = kwsysProcess_State_Exited;
|
|
int exception = kwsysProcess_Exception_None;
|
|
int value = 0;
|
|
double timeout = 0;
|
|
int r = runChild(cmd, state, exception, value, 0, 1, 0, timeout, 0, 1, 0);
|
|
return r;
|
|
}
|
|
else
|
|
{
|
|
/* Improper usage. */
|
|
fprintf(stdout, "Usage: %s <test number>\n", argv[0]);
|
|
return 1;
|
|
}
|
|
}
|