- /* Create pipes */
- if (pipe(end_proc_detect) == -1)
- {
- wxLogSysError( "Pipe creation failed" );
- return 0;
- }
-
- /* fork the process */
-#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
- pid_t pid = vfork();
-#else
- pid_t pid = fork();
-#endif
- if (pid == -1)
- {
- wxLogSysError( "Fork failed" );
- return 0;
- }
- else if (pid == 0)
- {
- // we're in child
- close(end_proc_detect[0]); // close reading side
- // These three lines close the open file descriptors to
- // to avoid any input/output which might block the process
- // or irritate the user. If one wants proper IO for the sub-
- // process, the "right thing to do" is to start an xterm executing
- // it.
- close(STDIN_FILENO);
- close(STDOUT_FILENO);
- close(STDERR_FILENO);
- // some programs complain about sterr not being open, so
- // redirect them:
- open("/dev/null", O_RDONLY); // stdin
- open("/dev/null", O_WRONLY); // stdout
- open("/dev/null", O_WRONLY); // stderr
-
-
-#ifdef _AIX
- execvp ((const char *)*argv, (const char **)argv);
-#else
- execvp (*argv, argv);
-#endif
- // there is no return after successful exec()
- wxLogSysError( "Can't execute '%s'", *argv);
-
- _exit(-1);
- }
- else
- {
- // we're in parent
- close(end_proc_detect[1]); // close writing side
- data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ,
- GTK_EndProcessDetector, (gpointer)data);
- data->pid = pid;
- if (!sync)
- {
- data->process = process;
- }
- else
- {
- data->process = (wxProcess *) NULL;
- data->pid = -(data->pid);
-
- while (data->pid != 0)
- wxYield();
-
- delete data;
- }
-
- // @@@ our return value indicates success even if execvp() in the child
- // failed!
- return pid;
- }
projects / wxWidgets.git / blobdiff