+++ /dev/null
-#include <cstdlib>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <msp/fs/dir.h>
-#include <msp/io/print.h>
-#include "externaltask.h"
-
-using namespace std;
-using namespace Msp;
-
-ExternalTask::ExternalTask(const vector<string> &a, const FS::Path &wd):
- argv(a),
- work_dir(wd),
- pid(-1),
- exit_code(-1)
-{ }
-
-string ExternalTask::get_command() const
-{
- string cmd;
- for(vector<string>::const_iterator i=argv.begin(); i!=argv.end(); ++i)
- {
- if(i!=argv.begin())
- cmd += ' ';
-
- for(string::const_iterator j=i->begin(); j!=i->end(); ++j)
- {
- if(*j=='"' || *j=='\'' || *j==' ' || *j=='\\' || *j=='&')
- cmd += '\\';
- cmd += *j;
- }
- }
-
- return cmd;
-}
-
-void ExternalTask::start()
-{
- if((pid = fork()))
- {
- if(pid==-1)
- exit_code = 1;
- else
- exit_code = 0;
- }
- else
- {
- vector<const char *> cargv(argv.size()+1);
- for(unsigned i=0; i<argv.size(); ++i)
- cargv[i] = argv[i].c_str();
- cargv.back() = 0;
-
- if(!work_dir.empty())
- FS::chdir(work_dir);
- execvp(cargv.front(), const_cast<char *const *>(&cargv.front()));
- IO::print("Couldn't execute %s\n", argv.front());
- exit(1);
- }
-}
-
-Task::Status ExternalTask::check()
-{
- if(pid>0)
- {
- int status;
- if(waitpid(pid, &status, WNOHANG)==pid)
- {
- if(WIFEXITED(status))
- exit_code = WEXITSTATUS(status);
- else if(WIFSIGNALED(status))
- exit_code = 256+WTERMSIG(status);
- else
- exit_code = 1025;
- pid = 0;
-
- signal_finished.emit(!exit_code);
- }
- else
- return RUNNING;
- }
-
- return exit_code ? ERROR : SUCCESS;
-}