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Fix for it to compile on "all" windows platforms...

This commit is contained in:
Andy Cedilnik 2002-09-29 21:55:10 -04:00
parent 4fe98d8068
commit 375c695ba1
2 changed files with 156 additions and 39 deletions
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133
Source/cmWin32ProcessExecution.cxx
View File

@ -25,6 +25,19 @@
#include <sys/stat.h>
#include <windows.h>
#if defined(__BORLANDC__)
# define STRICMP stricmp
# define TO_INTPTR(x) ((long)(x))
#else // Visual studio
# if ( _MSC_VER >= 1300 )
# include <stddef.h>
# define TO_INTPTR(x) ((intptr_t)(x))
# else // Visual Studio 6
# define TO_INTPTR(x) ((long)(x))
# endif // Visual studio .NET
# define STRICMP _stricmp
#endif // Borland
#define POPEN_1 1
#define POPEN_2 2
#define POPEN_3 3
@ -34,6 +47,7 @@
#define win32_error(x,y) std::cout << "Win32_Error(" << x << ", " << y << ")" << std::endl, false
bool cmWin32ProcessExecution::StartProcess(
const char* cmd, const char* path, bool verbose)
{
@ -47,6 +61,25 @@ bool cmWin32ProcessExecution::Wait(int timeout)
return this->PrivateClose(timeout);
}
#define PERROR(str) //::ErrorMessage(__LINE__, str)
static void ErrorMessage(int line, char *str) //display detailed error info
{
DWORD lastmsg = GetLastError();
LPVOID msg;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
lastmsg,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &msg,
0,
NULL
);
printf("%d - %s: %s (%d)\n",line,str,msg, lastmsg);
LocalFree(msg);
::SetLastError(ERROR_SUCCESS);
}
/*
* Internal dictionary mapping popen* file pointers to process handles,
* for use when retrieving the process exit code. See _PyPclose() below
@ -62,19 +95,27 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
HANDLE hStderr,
HANDLE *hProcess)
{
PERROR("Start");
//std::cout << "Run: " << cmdstring << std::endl;
PERROR("Start");
PROCESS_INFORMATION piProcInfo;
PERROR("PROCESS_INFORMATION");
STARTUPINFO siStartInfo;
PERROR("STARTUPINFO");
char *s1,*s2, *s3 = " /c ";
int i;
int x;
if (i = GetEnvironmentVariable("COMSPEC",NULL,0))
{
PERROR("GetEnvironmentVariable");
char *comshell;
s1 = (char *)_alloca(i);
if (!(x = GetEnvironmentVariable("COMSPEC", s1, i)))
{
PERROR("GetEnvironmentVariable");
return x;
}
/* Explicitly check if we are using COMMAND.COM. If we are
* then use the w9xpopen hack.
@ -85,7 +126,7 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
++comshell;
if (GetVersion() < 0x80000000 &&
_stricmp(comshell, "command.com") != 0)
STRICMP(comshell, "command.com") != 0)
{
/* NT/2000 and not using command.com. */
x = i + (int)strlen(s3) + (int)strlen(cmdstring) + 1;
@ -187,11 +228,13 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
&siStartInfo,
&piProcInfo) )
{
PERROR("CreateProcess");
/* Close the handles now so anyone waiting is woken. */
CloseHandle(piProcInfo.hThread);
PERROR("Close Handle");
/* Return process handle */
*hProcess = piProcInfo.hProcess;
//std::cout << "Process created..." << std::endl;
return TRUE;
}
win32_error("CreateProcess", s2);
@ -212,7 +255,7 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
SECURITY_ATTRIBUTES saAttr;
BOOL fSuccess;
int fd1, fd2, fd3;
FILE *f1, *f2, *f3;
//FILE *f1, *f2, *f3;
long file_count;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
@ -220,7 +263,10 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
saAttr.lpSecurityDescriptor = NULL;
if (!CreatePipe(&hChildStdinRd, &hChildStdinWr, &saAttr, 0))
{
return win32_error("CreatePipe", NULL);
}
PERROR("CreatePipe");
/* Create new output read handle and the input write handle. Set
* the inheritance properties to FALSE. Otherwise, the child inherits
@ -232,10 +278,13 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
DUPLICATE_SAME_ACCESS);
if (!fSuccess)
return win32_error("DuplicateHandle", NULL);
PERROR("DuplicateHandle");
/* Close the inheritable version of ChildStdin
that we're using. */
CloseHandle(hChildStdinWr);
PERROR("CloseHandle");
if (!CreatePipe(&hChildStdoutRd, &hChildStdoutWr, &saAttr, 0))
return win32_error("CreatePipe", NULL);
@ -245,15 +294,18 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
FALSE, DUPLICATE_SAME_ACCESS);
if (!fSuccess)
return win32_error("DuplicateHandle", NULL);
PERROR("DuplicateHandle");
/* Close the inheritable version of ChildStdout
that we're using. */
CloseHandle(hChildStdoutRd);
PERROR("CloseHandle");
if (n != POPEN_4)
{
if (!CreatePipe(&hChildStderrRd, &hChildStderrWr, &saAttr, 0))
return win32_error("CreatePipe", NULL);
PERROR("CreatePipe");
fSuccess = DuplicateHandle(GetCurrentProcess(),
hChildStderrRd,
GetCurrentProcess(),
@ -261,8 +313,10 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
FALSE, DUPLICATE_SAME_ACCESS);
if (!fSuccess)
return win32_error("DuplicateHandle", NULL);
PERROR("DuplicateHandle");
/* Close the inheritable version of ChildStdErr that we're using. */
CloseHandle(hChildStderrRd);
PERROR("CloseHandle");
}
switch (n)
@ -272,43 +326,47 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
{
case _O_WRONLY | _O_TEXT:
/* Case for writing to child Stdin in text mode. */
fd1 = _open_osfhandle((intptr_t)hChildStdinWrDup, mode);
f1 = _fdopen(fd1, "w");
fd1 = _open_osfhandle(TO_INTPTR(hChildStdinWrDup), mode);
//f1 = _fdopen(fd1, "w");
/* We don't care about these pipes anymore,
so close them. */
CloseHandle(hChildStdoutRdDup);
CloseHandle(hChildStderrRdDup);
PERROR("CloseHandle");
break;
case _O_RDONLY | _O_TEXT:
/* Case for reading from child Stdout in text mode. */
fd1 = _open_osfhandle((intptr_t)hChildStdoutRdDup, mode);
f1 = _fdopen(fd1, "r");
fd1 = _open_osfhandle(TO_INTPTR(hChildStdoutRdDup), mode);
//f1 = _fdopen(fd1, "r");
/* We don't care about these pipes anymore,
so close them. */
CloseHandle(hChildStdinWrDup);
CloseHandle(hChildStderrRdDup);
PERROR("CloseHandle");
break;
case _O_RDONLY | _O_BINARY:
/* Case for readinig from child Stdout in
binary mode. */
fd1 = _open_osfhandle((intptr_t)hChildStdoutRdDup, mode);
f1 = _fdopen(fd1, "rb");
fd1 = _open_osfhandle(TO_INTPTR(hChildStdoutRdDup), mode);
//f1 = _fdopen(fd1, "rb");
/* We don't care about these pipes anymore,
so close them. */
CloseHandle(hChildStdinWrDup);
CloseHandle(hChildStderrRdDup);
PERROR("CloseHandle");
break;
case _O_WRONLY | _O_BINARY:
/* Case for writing to child Stdin in binary mode. */
fd1 = _open_osfhandle((intptr_t)hChildStdinWrDup, mode);
f1 = _fdopen(fd1, "wb");
fd1 = _open_osfhandle(TO_INTPTR(hChildStdinWrDup), mode);
//f1 = _fdopen(fd1, "wb");
/* We don't care about these pipes anymore,
so close them. */
CloseHandle(hChildStdoutRdDup);
CloseHandle(hChildStderrRdDup);
PERROR("CloseHandle");
break;
}
file_count = 1;
@ -331,13 +389,17 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
m2 = "wb";
}
fd1 = _open_osfhandle((intptr_t)hChildStdinWrDup, mode);
f1 = _fdopen(fd1, m2);
fd2 = _open_osfhandle((intptr_t)hChildStdoutRdDup, mode);
f2 = _fdopen(fd2, m1);
fd1 = _open_osfhandle(TO_INTPTR(hChildStdinWrDup), mode);
//f1 = _fdopen(fd1, m2);
fd2 = _open_osfhandle(TO_INTPTR(hChildStdoutRdDup), mode);
//f2 = _fdopen(fd2, m1);
PERROR("_open_osfhandle");
if (n != 4)
{
CloseHandle(hChildStderrRdDup);
PERROR("CloseHandle");
}
file_count = 2;
break;
@ -359,12 +421,14 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
m2 = "wb";
}
fd1 = _open_osfhandle((intptr_t)hChildStdinWrDup, mode);
f1 = _fdopen(fd1, m2);
fd2 = _open_osfhandle((intptr_t)hChildStdoutRdDup, mode);
f2 = _fdopen(fd2, m1);
fd3 = _open_osfhandle((intptr_t)hChildStderrRdDup, mode);
f3 = _fdopen(fd3, m1);
fd1 = _open_osfhandle(TO_INTPTR(hChildStdinWrDup), mode);
//f1 = _fdopen(fd1, m2);
fd2 = _open_osfhandle(TO_INTPTR(hChildStdoutRdDup), mode);
//f2 = _fdopen(fd2, m1);
fd3 = _open_osfhandle(TO_INTPTR(hChildStderrRdDup), mode);
//f3 = _fdopen(fd3, m1);
PERROR("_open_osfhandle");
file_count = 3;
break;
@ -414,29 +478,34 @@ bool cmWin32ProcessExecution::PrivateOpen(const char *cmdstring,
if (!CloseHandle(hChildStdinRd))
return win32_error("CloseHandle", NULL);
PERROR("CloseHandle");
if (!CloseHandle(hChildStdoutWr))
return win32_error("CloseHandle", NULL);
PERROR("CloseHandle");
if ((n != 4) && (!CloseHandle(hChildStderrWr)))
return win32_error("CloseHandle", NULL);
PERROR("CloseHandle");
this->m_ProcessHandle = hProcess;
if ( f1 )
if ( fd1 >= 0 )
{
this->m_StdIn = f1;
// this->m_StdIn = f1;
this->m_pStdIn = fd1;
}
if ( f2 )
if ( fd2 >= 0 )
{
this->m_StdOut = f2;
// this->m_StdOut = f2;
this->m_pStdOut = fd2;
}
if ( f3 )
if ( fd3 >= 0 )
{
this->m_StdErr = f3;
// this->m_StdErr = f3;
this->m_pStdErr = fd3;
}
//std::cout << "Process created for real..." << std::endl;
//std::cout << fd1 << " " << fd2 << " " << fd3 << std::endl;
return true;
}
@ -502,6 +571,7 @@ bool cmWin32ProcessExecution::PrivateClose(int timeout)
}
if (fserr.st_size > 0)
{
//std::cout << "Some error" << std::endl;
int dist = fserr.st_size;
char buffer[1023];
int len = read(this->m_pStdErr, buffer, 1023);
@ -514,6 +584,7 @@ bool cmWin32ProcessExecution::PrivateClose(int timeout)
}
if (fsout.st_size > 0)
{
//std::cout << "Some output" << std::endl;
int dist = fsout.st_size;
char buffer[1023];
int len = read(this->m_pStdOut, buffer, 1023);
@ -528,10 +599,14 @@ bool cmWin32ProcessExecution::PrivateClose(int timeout)
GetExitCodeProcess(hProcess,&exitCode);
if (exitCode != STILL_ACTIVE)
{
//std::cout << "STILL_ACTIVE = " << STILL_ACTIVE << std::endl;
//std::cout << "Process is not active any more: " << exitCode << std::endl;
break;
}
}
//std::cout << "Waiting for process to close" << std::endl;
if (WaitForSingleObject(hProcess, INFINITE) != WAIT_FAILED &&
GetExitCodeProcess(hProcess, &exit_code))
{
@ -555,6 +630,8 @@ bool cmWin32ProcessExecution::PrivateClose(int timeout)
result = -1;
}
//std::cout << "Process closed with error code: " << result << std::endl;
/* Free up the native handle at this point */
CloseHandle(hProcess);
this->m_ExitValue = result;

56
Source/cmWin32ProcessExecution.h
View File

@ -27,7 +27,6 @@
#include "cmStandardIncludes.h"
#include "windows.h"
#include "stdio.h"
class cmMakefile;
@ -45,21 +44,59 @@ public:
this->SetConsoleSpawn("w9xpopen.exe");
this->Initialize();
}
/**
* Initialize the process execution datastructure. Do not call while
* running the process.
*/
void Initialize()
{
this->m_ProcessHandle = 0;
this->m_ExitValue = -1;
this->m_StdIn = 0;
this->m_StdOut = 0;
this->m_StdErr = 0;
// Comment this out. Maybe we will need it in the future.
// file IO access to the process might be cool.
//this->m_StdIn = 0;
//this->m_StdOut = 0;
//this->m_StdErr = 0;
this->m_pStdIn = -1;
this->m_pStdOut = -1;
this->m_pStdErr = -1;
}
/**
* Start the process in the directory path. Make sure that the
* executable is either in the path or specify the full path. The
* argument verbose specifies wether or not to display output while
* it is being generated.
*/
bool StartProcess(const char*, const char* path, bool verbose);
/**
* Wait for the process to finish. If timeout is specified, it will
* break the process after timeout expires. (Timeout code is not yet
* implemented.
*/
bool Wait(int timeout);
/**
* Get the output of the process (mixed stdout and stderr) as
* std::string.
*/
const std::string GetOutput() const { return this->m_Output; }
/**
* Get the return value of the process. If the process is still
* running, the return value is -1.
*/
int GetExitValue() const { return this->m_ExitValue; }
/**
* On Windows 9x there is a bug in the process execution code which
* may result in blocking. That is why this workaround is
* used. Specify the console spawn, which should run the
* Windows9xHack code.
*/
void SetConsoleSpawn(const char* prog) { this->m_ConsoleSpawn = prog; }
static int Windows9xHack(const char* command);
private:
@ -67,9 +104,12 @@ private:
bool PrivateClose(int timeout);
HANDLE m_ProcessHandle;
FILE* m_StdIn;
FILE* m_StdOut;
FILE* m_StdErr;
// Comment this out. Maybe we will need it in the future.
// file IO access to the process might be cool.
// FILE* m_StdIn;
// FILE* m_StdOut;
// FILE* m_StdErr;
int m_pStdIn;
int m_pStdOut;