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arguments: (OFArray*)arguments
environment: (OFDictionary*)environment
{
self = [super init];
@try {
#ifndef _WIN32
if (pipe(readPipe) != 0 || pipe(writePipe) != 0)
if (pipe(_readPipe) != 0 || pipe(_writePipe) != 0)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
switch ((pid = fork())) {
switch ((_pid = fork())) {
case 0:;
OFString **objects = [arguments objects];
size_t i, count = [arguments count];
char **argv;
argv = [self allocMemoryWithSize: sizeof(char*)
count: count + 2];
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OF_environmentForDictionary: environment];
#else
environ = [self
OF_environmentForDictionary: environment];
#endif
}
close(readPipe[0]);
close(writePipe[1]);
dup2(writePipe[0], 0);
dup2(readPipe[1], 1);
close(_readPipe[0]);
close(_writePipe[1]);
dup2(_writePipe[0], 0);
dup2(_readPipe[1], 1);
execvp([program cStringWithEncoding:
OF_STRING_ENCODING_NATIVE], argv);
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
case -1:
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
default:
close(readPipe[1]);
close(writePipe[0]);
close(_readPipe[1]);
close(_writePipe[0]);
break;
}
#else
SECURITY_ATTRIBUTES sa;
PROCESS_INFORMATION pi;
STARTUPINFOW si;
void *pool;
OFMutableString *argumentsString;
OFEnumerator *enumerator;
OFString *argument;
uint16_t *argumentsCopy;
size_t length;
sa.nLength = sizeof(sa);
sa.bInheritHandle = TRUE;
sa.lpSecurityDescriptor = NULL;
if (!CreatePipe(&_readPipe[0], &_readPipe[1], &sa, 0))
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
if (!CreatePipe(&readPipe[0], &readPipe[1], &sa, 0))
if (!SetHandleInformation(readPipe[0], HANDLE_FLAG_INHERIT, 0))
if (!CreatePipe(&_writePipe[0], &_writePipe[1], &sa, 0))
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
if (!CreatePipe(&writePipe[0], &writePipe[1], &sa, 0))
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
if (!SetHandleInformation(writePipe[1], HANDLE_FLAG_INHERIT, 0))
si.hStdInput = writePipe[0];
si.hStdOutput = readPipe[1];
si.hStdInput = _writePipe[0];
si.hStdOutput = _readPipe[1];
si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
si.dwFlags |= STARTF_USESTDHANDLES;
pool = objc_autoreleasePoolPush();
argumentsString =
[OFMutableString stringWithString: programName];
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exceptionWithClass: [self class]];
} @finally {
[self freeMemory: argumentsCopy];
}
objc_autoreleasePoolPop(pool);
process = pi.hProcess;
_process = pi.hProcess;
CloseHandle(pi.hThread);
CloseHandle(readPipe[1]);
CloseHandle(writePipe[0]);
CloseHandle(_readPipe[1]);
CloseHandle(_writePipe[0]);
#endif
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[self close];
[super dealloc];
}
#ifndef _WIN32
- (char**)OF_environmentForDictionary: (OFDictionary*)environment
{
OFEnumerator *keyEnumerator, *objectEnumerator;
char **envp;
size_t i, count;
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return [env items];
}
#endif
- (BOOL)lowlevelIsAtEndOfStream
{
#ifndef _WIN32
if (readPipe[0] == -1)
if (_readPipe[0] == -1)
#else
if (readPipe[0] == NULL)
if (_readPipe[0] == NULL)
#endif
return YES;
return atEndOfStream;
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void*)buffer
length: (size_t)length
{
#ifndef _WIN32
ssize_t ret;
#else
DWORD ret;
#endif
#ifndef _WIN32
if (readPipe[0] == -1 || atEndOfStream ||
(ret = read(readPipe[0], buffer, length)) < 0) {
if (_readPipe[0] == -1 || _atEndOfStream ||
(ret = read(_readPipe[0], buffer, length)) < 0) {
#else
if (readPipe[0] == NULL || atEndOfStream ||
!ReadFile(readPipe[0], buffer, length, &ret, NULL)) {
if (_readPipe[0] == NULL || _atEndOfStream ||
!ReadFile(_readPipe[0], buffer, length, &ret, NULL)) {
if (GetLastError() == ERROR_BROKEN_PIPE) {
atEndOfStream = YES;
_atEndOfStream = YES;
return 0;
}
#endif
@throw [OFReadFailedException exceptionWithClass: [self class]
stream: self
requestedLength: length];
}
if (ret == 0)
atEndOfStream = YES;
_atEndOfStream = YES;
return ret;
}
- (void)lowlevelWriteBuffer: (const void*)buffer
length: (size_t)length
{
#ifndef _WIN32
if (writePipe[1] == -1 || atEndOfStream ||
write(writePipe[1], buffer, length) < length)
if (_writePipe[1] == -1 || _atEndOfStream ||
write(_writePipe[1], buffer, length) < length)
#else
DWORD ret;
if (writePipe[1] == NULL || atEndOfStream ||
!WriteFile(writePipe[1], buffer, length, &ret, NULL) ||
if (_writePipe[1] == NULL || _atEndOfStream ||
!WriteFile(_writePipe[1], buffer, length, &ret, NULL) ||
ret < length)
#endif
@throw [OFWriteFailedException exceptionWithClass: [self class]
stream: self
requestedLength: length];
}
- (void)dealloc
{
[self close];
[super dealloc];
}
return readPipe[0];
return _readPipe[0];
#else
[self doesNotRecognizeSelector: _cmd];
abort();
#endif
}
- (int)fileDescriptorForWriting
{
#ifndef _WIN32
return writePipe[1];
return _writePipe[1];
#else
[self doesNotRecognizeSelector: _cmd];
abort();
#endif
}
- (void)closeForWriting
{
#ifndef _WIN32
if (writePipe[1] != -1)
close(writePipe[1]);
if (_writePipe[1] != -1)
close(_writePipe[1]);
writePipe[1] = -1;
_writePipe[1] = -1;
#else
if (writePipe[1] != NULL)
CloseHandle(writePipe[1]);
if (_writePipe[1] != NULL)
CloseHandle(_writePipe[1]);
writePipe[1] = NULL;
_writePipe[1] = NULL;
#endif
}
- (void)close
{
#ifndef _WIN32
if (readPipe[0] != -1)
close(readPipe[0]);
if (writePipe[1] != -1)
close(writePipe[1]);
if (_readPipe[0] != -1)
close(_readPipe[0]);
if (_writePipe[1] != -1)
close(_writePipe[1]);
if (pid != -1) {
kill(pid, SIGKILL);
waitpid(pid, &status, WNOHANG);
if (_pid != -1) {
kill(_pid, SIGKILL);
waitpid(_pid, &_status, WNOHANG);
}
pid = -1;
readPipe[0] = -1;
writePipe[1] = -1;
_pid = -1;
_readPipe[0] = -1;
_writePipe[1] = -1;
#else
if (readPipe[0] != NULL)
CloseHandle(readPipe[0]);
if (writePipe[1] != NULL)
CloseHandle(writePipe[1]);
if (_readPipe[0] != NULL)
CloseHandle(_readPipe[0]);
if (_writePipe[1] != NULL)
CloseHandle(_writePipe[1]);
if (process != INVALID_HANDLE_VALUE) {
TerminateProcess(process, 0);
CloseHandle(process);
if (_process != INVALID_HANDLE_VALUE) {
TerminateProcess(_process, 0);
CloseHandle(_process);
}
process = INVALID_HANDLE_VALUE;
readPipe[0] = NULL;
writePipe[1] = NULL;
_process = INVALID_HANDLE_VALUE;
_readPipe[0] = NULL;
_writePipe[1] = NULL;
#endif
}
@end
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