Page Menu
Home
Phabricator (Chris)
Search
Configure Global Search
Log In
Files
F134169
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Flag For Later
Award Token
Authored By
Unknown
Size
6 KB
Referenced Files
None
Subscribers
None
View Options
diff --git a/src/unix/UnixProcess.cpp b/src/unix/UnixProcess.cpp
index 930e122..ae56cb9 100644
--- a/src/unix/UnixProcess.cpp
+++ b/src/unix/UnixProcess.cpp
@@ -1,337 +1,332 @@
#include "UnixProcess.h"
#include <QDebug>
#include <QMutex>
#include <QThread>
#include <cstdlib>
#include <ctime>
#include <deque>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
class OutputReaderThread : public QThread {
private:
int fd;
QMutex *mutex;
std::deque<char> *buffer;
protected:
void run() override
{
while (1) {
char buf[1024];
int n = read(fd, buf, sizeof(buf));
if (n < 1) break;
if (buffer) {
QMutexLocker lock(mutex);
buffer->insert(buffer->end(), buf, buf + n);
}
}
}
public:
OutputReaderThread(int fd, QMutex *mutex, std::deque<char> *out)
: fd(fd)
, mutex(mutex)
, buffer(out)
{
}
};
class UnixProcessThread : public QThread {
public:
QMutex *mutex = nullptr;
std::vector<std::string> argvec;
std::vector<char *> args;
std::deque<char> inq;
std::deque<char> outq;
std::deque<char> errq;
bool use_input = false;
int fd_in_read = -1;
int pid = 0;
int exit_code = -1;
bool close_input_later = false;
protected:
public:
void init(QMutex *mutex, bool use_input)
{
this->mutex = mutex;
this->use_input = use_input;
}
void reset()
{
argvec.clear();
args.clear();
inq.clear();
outq.clear();
errq.clear();
use_input = false;
fd_in_read = -1;
pid = 0;
exit_code = -1;
close_input_later = false;
}
protected:
void run() override
{
exit_code = -1;
const int R = 0;
const int W = 1;
const int E = 2;
int stdin_pipe[3] = { -1, -1, -1 };
int stdout_pipe[3] = { -1, -1, -1 };
int stderr_pipe[3] = { -1, -1, -1 };
try {
int fd_out_write;
int fd_err_write;
int pid;
if (pipe(stdin_pipe) < 0) {
throw std::string("failed: pipe");
}
if (pipe(stdout_pipe) < 0) {
throw std::string("failed: pipe");
}
if (pipe(stderr_pipe) < 0) {
throw std::string("failed: pipe");
}
pid = fork();
if (pid < 0) {
throw std::string("failed: fork");
}
if (pid == 0) { // child
setenv("LANG", "C", 1);
close(stdin_pipe[W]);
close(stdout_pipe[R]);
close(stderr_pipe[R]);
dup2(stdin_pipe[R], R);
dup2(stdout_pipe[W], W);
dup2(stderr_pipe[W], E);
close(stdin_pipe[R]);
close(stdout_pipe[W]);
close(stderr_pipe[E]);
if (execvp(args[0], &args[0]) < 0) {
close(stdin_pipe[R]);
close(stdout_pipe[W]);
close(stderr_pipe[E]);
fprintf(stderr, "failed: exec\n");
exit(1);
}
}
close(stdin_pipe[R]);
close(stdout_pipe[W]);
close(stderr_pipe[W]);
fd_in_read = stdin_pipe[W];
fd_out_write = stdout_pipe[R];
fd_err_write = stderr_pipe[R];
//
if (!use_input) {
closeInput();
}
-// WriteThread t0(fd_in_read, mutex, &input, &close_input_later);
OutputReaderThread t1(fd_out_write, mutex, &outq);
OutputReaderThread t2(fd_err_write, mutex, &errq);
-// if (use_input) t0.start();
t1.start();
t2.start();
while (1) {
QThread::msleep(1);
int status = 0;
if (waitpid(pid, &status, WNOHANG) == pid) {
if (WIFEXITED(status)) {
exit_code = WEXITSTATUS(status);
break;
}
if (WIFSIGNALED(status)) {
exit_code = -1;
break;
}
}
{
QMutexLocker lock(mutex);
int n = inq.size();
if (n > 0) {
while (n > 0) {
char tmp[1024];
int l = n;
if (l > (int)sizeof(tmp)) {
l = sizeof(tmp);
}
std::copy(inq.begin(), inq.begin() + l, tmp);
inq.erase(inq.begin(), inq.begin() + l);
if (fd_in_read != -1) {
int r = write(fd_in_read, tmp, l);
(void)r;
}
n -= l;
}
} else if (close_input_later) {
closeInput();
}
}
}
-// if (use_input) {
-// t0.requestInterruption();
-// t0.wait();
-// }
t1.wait();
t2.wait();
close(fd_out_write);
+ close(fd_err_write);
} catch (std::string const &e) {
close(stdin_pipe[R]);
close(stdin_pipe[W]);
close(stdout_pipe[R]);
close(stdout_pipe[W]);
close(stderr_pipe[R]);
close(stderr_pipe[W]);
fprintf(stderr, "%s\n", e.c_str());
exit(1);
}
}
public:
void writeInput(char const *ptr, int len)
{
QMutexLocker lock(mutex);
inq.insert(inq.end(), ptr, ptr + len);
}
void closeInput()
{
if (fd_in_read >= 0) {
close(fd_in_read);
fd_in_read = -1;
}
}
};
struct UnixProcess::Private {
QMutex mutex;
UnixProcessThread th;
};
UnixProcess::UnixProcess()
: m(new Private)
{
}
UnixProcess::~UnixProcess()
{
delete m;
}
void UnixProcess::parseArgs(std::string const &cmd, std::vector<std::string> *out)
{
out->clear();
char const *begin = cmd.c_str();
char const *end = begin + cmd.size();
std::vector<char> tmp;
char const *ptr = begin;
int quote = 0;
while (1) {
int c = 0;
if (ptr < end) {
c = *ptr & 0xff;
}
if (c == '\"' && ptr + 2 < end && ptr[1] == '\"' && ptr[2] == '\"') {
tmp.push_back(c);
ptr += 3;
} else {
if (quote != 0 && c != 0) {
if (c == quote) {
quote = 0;
} else {
tmp.push_back(c);
}
} else if (c == '\"') {
quote = c;
} else if (isspace(c) || c == 0) {
if (!tmp.empty()) {
std::string s(&tmp[0], tmp.size());
out->push_back(s);
}
if (c == 0) break;
tmp.clear();
} else {
tmp.push_back(c);
}
ptr++;
}
}
}
void UnixProcess::start(QString const &command, bool use_input)
{
std::string cmd = command.toStdString();
parseArgs(cmd, &m->th.argvec);
if (!m->th.argvec.empty()) {
for (std::string const &s : m->th.argvec) {
m->th.args.push_back(const_cast<char *>(s.c_str()));
}
m->th.args.push_back(nullptr);
m->th.init(&m->mutex, use_input);
m->th.start();
}
}
int UnixProcess::wait()
{
m->th.wait();
outbytes.clear();
errbytes.clear();
if (!m->th.outq.empty()) outbytes.insert(outbytes.end(), m->th.outq.begin(), m->th.outq.end());
if (!m->th.errq.empty()) errbytes.insert(errbytes.end(), m->th.errq.begin(), m->th.errq.end());
int exit_code = m->th.exit_code;
m->th.reset();
return exit_code;
}
void UnixProcess::writeInput(char const *ptr, int len)
{
m->th.writeInput(ptr, len);
}
void UnixProcess::closeInput(bool justnow)
{
if (justnow) {
m->th.closeInput();
} else {
m->th.close_input_later = true;
}
}
QString UnixProcess::outstring()
{
if (outbytes.empty()) return QString();
std::vector<char> v;
v.insert(v.end(), outbytes.begin(), outbytes.end());
return QString::fromUtf8(&v[0], v.size());
}
QString UnixProcess::errstring()
{
if (errbytes.empty()) return QString();
std::vector<char> v;
v.insert(v.end(), errbytes.begin(), errbytes.end());
return QString::fromUtf8(&v[0], v.size());
}
File Metadata
Details
Attached
Mime Type
text/x-diff
Expires
Wed, Jun 17, 9:19 PM (1 w, 5 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
70380
Default Alt Text
(6 KB)
Attached To
Mode
R77 Guitar
Attached
Detach File
Event Timeline