305 lines
8.3 KiB
C
305 lines
8.3 KiB
C
/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include <kwsys/Process.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_WIN32)
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# include <windows.h>
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#else
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# include <unistd.h>
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#endif
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int runChild(const char* cmd[], int state, int exception, int value,
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int share, int output, int delay, double timeout);
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int test1(int argc, const char* argv[])
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{
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(void)argc; (void)argv;
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fprintf(stdout, "Output on stdout from test returning 0.\n");
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fprintf(stderr, "Output on stderr from test returning 0.\n");
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return 0;
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}
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int test2(int argc, const char* argv[])
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{
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(void)argc; (void)argv;
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fprintf(stdout, "Output on stdout from test returning 123.\n");
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fprintf(stderr, "Output on stderr from test returning 123.\n");
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return 123;
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}
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int test3(int argc, const char* argv[])
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{
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(void)argc; (void)argv;
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fprintf(stdout, "Output before sleep on stdout from timeout test.\n");
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fprintf(stderr, "Output before sleep on stderr from timeout test.\n");
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fflush(stdout);
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fflush(stderr);
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#if defined(_WIN32)
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Sleep(5000);
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#else
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sleep(5);
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#endif
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fprintf(stdout, "Output after sleep on stdout from timeout test.\n");
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fprintf(stderr, "Output after sleep on stderr from timeout test.\n");
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return 0;
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}
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int test4(int argc, const char* argv[])
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{
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(void)argc; (void)argv;
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fprintf(stdout, "Output before crash on stdout from crash test.\n");
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fprintf(stderr, "Output before crash on stderr from crash test.\n");
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fflush(stdout);
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fflush(stderr);
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*(int*)0 = 0;
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fprintf(stdout, "Output after crash on stdout from crash test.\n");
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fprintf(stderr, "Output after crash on stderr from crash test.\n");
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return 0;
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}
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int test5(int argc, const char* argv[])
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{
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int r;
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const char* cmd[4];
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(void)argc;
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cmd[0] = argv[0];
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cmd[1] = "run";
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cmd[2] = "4";
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cmd[3] = 0;
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fprintf(stdout, "Output on stdout before recursive test.\n");
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fprintf(stderr, "Output on stderr before recursive test.\n");
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fflush(stdout);
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fflush(stderr);
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r = runChild(cmd, kwsysProcess_State_Exception,
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kwsysProcess_Exception_Fault, 1, 1, 1, 0, 2);
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fprintf(stdout, "Output on stdout after recursive test.\n");
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fprintf(stderr, "Output on stderr after recursive test.\n");
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fflush(stdout);
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fflush(stderr);
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return r;
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}
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#define TEST6_SIZE (4096*2)
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int test6(int argc, const char* argv[])
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{
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int i;
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char runaway[TEST6_SIZE+1];
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(void)argc; (void)argv;
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for(i=0;i < TEST6_SIZE;++i)
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{
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runaway[i] = '.';
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}
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runaway[TEST6_SIZE] = '\n';
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/* Generate huge amounts of output to test killing. */
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for(;;)
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{
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fwrite(runaway, 1, TEST6_SIZE+1, stdout);
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fflush(stdout);
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}
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return 0;
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}
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int runChild(const char* cmd[], int state, int exception, int value,
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int share, int output, int delay, double timeout)
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{
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int result = 0;
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char* data = 0;
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int length = 0;
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kwsysProcess* kp = kwsysProcess_New();
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if(!kp)
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{
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fprintf(stderr, "kwsysProcess_New returned NULL!\n");
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return 1;
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}
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kwsysProcess_SetCommand(kp, cmd);
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kwsysProcess_SetTimeout(kp, timeout);
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if(share)
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{
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kwsysProcess_SetPipeShared(kp, kwsysProcess_Pipe_STDOUT, 1);
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kwsysProcess_SetPipeShared(kp, kwsysProcess_Pipe_STDERR, 1);
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}
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kwsysProcess_Execute(kp);
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if(!share)
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{
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while(kwsysProcess_WaitForData(kp, &data, &length, 0))
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{
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if(output)
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{
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fwrite(data, 1, length, stdout);
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fflush(stdout);
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}
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if(delay)
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{
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/* Purposely sleeping only on Win32 to let pipe fill up. */
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#if defined(_WIN32)
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Sleep(100);
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#endif
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}
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}
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}
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kwsysProcess_WaitForExit(kp, 0);
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switch (kwsysProcess_GetState(kp))
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{
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case kwsysProcess_State_Starting:
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printf("No process has been executed.\n"); break;
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case kwsysProcess_State_Executing:
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printf("The process is still executing.\n"); break;
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case kwsysProcess_State_Expired:
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printf("Child was killed when timeout expired.\n"); break;
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case kwsysProcess_State_Exited:
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printf("Child exited with value = %d\n",
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kwsysProcess_GetExitValue(kp));
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result = ((exception != kwsysProcess_GetExitException(kp)) ||
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(value != kwsysProcess_GetExitValue(kp))); break;
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case kwsysProcess_State_Killed:
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printf("Child was killed by parent.\n"); break;
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case kwsysProcess_State_Exception:
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printf("Child terminated abnormally: %s\n",
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kwsysProcess_GetExceptionString(kp));
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result = ((exception != kwsysProcess_GetExitException(kp)) ||
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(value != kwsysProcess_GetExitValue(kp))); break;
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case kwsysProcess_State_Error:
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printf("Error in administrating child process: [%s]\n",
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kwsysProcess_GetErrorString(kp)); break;
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};
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if(result)
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{
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if(exception != kwsysProcess_GetExitException(kp))
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{
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fprintf(stderr, "Mismatch in exit exception. Should have been %d.\n",
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exception);
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}
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if(value != kwsysProcess_GetExitValue(kp))
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{
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fprintf(stderr, "Mismatch in exit value. Should have been %d.\n",
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value);
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}
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}
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if(kwsysProcess_GetState(kp) != state)
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{
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fprintf(stderr, "Mismatch in state. Should have been %d.\n", state);
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result = 1;
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}
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kwsysProcess_Delete(kp);
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return result;
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}
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int main(int argc, const char* argv[])
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{
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int n = 0;
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#if 0
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{
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HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
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DuplicateHandle(GetCurrentProcess(), out,
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GetCurrentProcess(), &out, 0, FALSE,
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DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
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SetStdHandle(STD_OUTPUT_HANDLE, out);
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}
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{
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HANDLE out = GetStdHandle(STD_ERROR_HANDLE);
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DuplicateHandle(GetCurrentProcess(), out,
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GetCurrentProcess(), &out, 0, FALSE,
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DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
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SetStdHandle(STD_ERROR_HANDLE, out);
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}
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#endif
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if(argc == 2)
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{
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n = atoi(argv[1]);
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}
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else if(argc == 3)
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{
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n = atoi(argv[2]);
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}
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/* Check arguments. */
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if(n < 1 || n > 6 || (argc == 3 && strcmp(argv[1], "run") != 0))
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{
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fprintf(stdout, "Usage: %s <test number>\n", argv[0]);
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return 1;
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}
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if(argc == 3)
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{
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switch (n)
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{
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case 1: return test1(argc, argv);
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case 2: return test2(argc, argv);
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case 3: return test3(argc, argv);
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case 4: return test4(argc, argv);
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case 5: return test5(argc, argv);
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case 6: return test6(argc, argv);
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}
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fprintf(stderr, "Invalid test number %d.\n", n);
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return 1;
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}
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if(n >= 0 && n <= 6)
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{
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int states[6] =
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{
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kwsysProcess_State_Exited,
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kwsysProcess_State_Exited,
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kwsysProcess_State_Expired,
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kwsysProcess_State_Exception,
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kwsysProcess_State_Exited,
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kwsysProcess_State_Expired
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};
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int exceptions[6] =
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{
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kwsysProcess_Exception_None,
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kwsysProcess_Exception_None,
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kwsysProcess_Exception_None,
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kwsysProcess_Exception_Fault,
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kwsysProcess_Exception_None,
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kwsysProcess_Exception_None
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};
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int values[6] = {0, 123, 1, 1, 0, 0};
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int outputs[6] = {1, 1, 1, 1, 1, 0};
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int delays[6] = {0, 0, 0, 0, 0, 1};
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double timeouts[6] = {3, 3, 3, 3, 3, 0.1};
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int r;
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const char* cmd[4];
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cmd[0] = argv[0];
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cmd[1] = "run";
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cmd[2] = argv[1];
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cmd[3] = 0;
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fprintf(stdout, "Output on stdout before test %d.\n", n);
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fprintf(stderr, "Output on stderr before test %d.\n", n);
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fflush(stdout);
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fflush(stderr);
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r = runChild(cmd, states[n-1], exceptions[n-1], values[n-1], 0,
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outputs[n-1], delays[n-1], timeouts[n-1]);
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fprintf(stdout, "Output on stdout after test %d.\n", n);
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fprintf(stderr, "Output on stderr after test %d.\n", n);
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fflush(stdout);
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fflush(stderr);
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return r;
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}
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else
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{
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fprintf(stderr, "Test number out of range\n");
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return 1;
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}
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}
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