#include "support/ProgressInterface.h"
#include "LyX.h"
-#include "LyXRC.h"
#include <cstdlib>
#include <iostream>
} // namespace
+void Systemcall::killscript()
+{
+ SystemcallPrivate::kill_script = true;
+}
+
+
int Systemcall::startscript(Starttype how, string const & what,
string const & path, string const & lpath,
bool process_events)
parsecmd(what_ss, infile, outfile, errfile).c_str());
SystemcallPrivate d(infile, outfile, errfile);
+ bool do_events = process_events || how == WaitLoop;
#ifdef Q_OS_WIN32
// QProcess::startDetached cannot provide environment variables. When the
// time a viewer is started. To avoid this, we fall back on Windows to the
// original implementation that creates a QProcess object.
d.startProcess(cmd, path, lpath, false);
- if (!d.waitWhile(SystemcallPrivate::Starting, process_events, -1)) {
- LYXERR0("Systemcall: '" << cmd << "' did not start!");
- LYXERR0("error " << d.errorMessage());
- return 10;
+ if (!d.waitWhile(SystemcallPrivate::Starting, do_events, -1)) {
+ if (d.state == SystemcallPrivate::Error) {
+ LYXERR0("Systemcall: '" << cmd << "' did not start!");
+ LYXERR0("error " << d.errorMessage());
+ return NOSTART;
+ } else if (d.state == SystemcallPrivate::Killed) {
+ LYXERR0("Killed: " << cmd);
+ return KILLED;
+ }
}
if (how == DontWait) {
d.releaseProcess();
- return 0;
+ return OK;
}
#else
d.startProcess(cmd, path, lpath, how == DontWait);
if (how == DontWait && d.state == SystemcallPrivate::Running)
- return 0;
+ return OK;
if (d.state == SystemcallPrivate::Error
- || !d.waitWhile(SystemcallPrivate::Starting, process_events, -1)) {
- LYXERR0("Systemcall: '" << cmd << "' did not start!");
- LYXERR0("error " << d.errorMessage());
- return 10;
+ || !d.waitWhile(SystemcallPrivate::Starting, do_events, -1)) {
+ if (d.state == SystemcallPrivate::Error) {
+ LYXERR0("Systemcall: '" << cmd << "' did not start!");
+ LYXERR0("error " << d.errorMessage());
+ return NOSTART;
+ } else if (d.state == SystemcallPrivate::Killed) {
+ LYXERR0("Killed: " << cmd);
+ return KILLED;
+ }
}
#endif
- if (!d.waitWhile(SystemcallPrivate::Running, process_events,
+ if (!d.waitWhile(SystemcallPrivate::Running, do_events,
os::timeout_min() * 60 * 1000)) {
+ if (d.state == SystemcallPrivate::Killed) {
+ LYXERR0("Killed: " << cmd);
+ return KILLED;
+ }
LYXERR0("Systemcall: '" << cmd << "' did not finish!");
LYXERR0("error " << d.errorMessage());
LYXERR0("status " << d.exitStatusMessage());
- return 20;
+ return TIMEOUT;
}
int const exit_code = d.exitCode();
}
+bool SystemcallPrivate::kill_script = false;
+
+
SystemcallPrivate::SystemcallPrivate(std::string const & sf, std::string const & of,
std::string const & ef)
: state(Error), process_(new QProcess), out_index_(0), err_index_(0),
}
-void SystemcallPrivate::processEvents()
-{
- if (process_events_) {
- QCoreApplication::processEvents(/*QEventLoop::ExcludeUserInputEvents*/);
- }
-}
-
-
-void SystemcallPrivate::waitAndProcessEvents()
+bool SystemcallPrivate::waitAndCheck()
{
Sleep::millisec(100);
- processEvents();
+ if (kill_script) {
+ // is there a better place to reset this?
+ process_->kill();
+ state = Killed;
+ kill_script = false;
+ LYXERR0("Export Canceled!!");
+ return false;
+ }
+ QCoreApplication::processEvents(/*QEventLoop::ExcludeUserInputEvents*/);
+ return true;
}
// process events while waiting, no timeout
if (timeout == -1) {
while (state == waitwhile && state != Error) {
- waitAndProcessEvents();
+ // check for cancellation of background process
+ if (!waitAndCheck())
+ return false;
}
return state != Error;
}
QTime timer;
timer.start();
while (state == waitwhile && state != Error && !timedout) {
- waitAndProcessEvents();
+ // check for cancellation of background process
+ if (!waitAndCheck())
+ return false;
+
if (timer.elapsed() > timeout) {
bool stop = queryStopCommand(cmd_);
// The command may have finished in the meantime