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working on issue with pty redirection, not easily reproducible

master
phanes 2024-02-08 07:04:28 -05:00
parent e03a7e67b8
commit 60a9f2bad2
1 changed files with 15 additions and 4 deletions
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19
src/lcpex/vpty/libclpex_tty.cpp
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@ -216,7 +216,7 @@ int exec_pty(
!(watched_fds[2].events & POLLIN)) {
break_out = true;
}
if (num_files_readable == -1) {
// error occurred in poll()
safe_perror("poll", &ttyOrig );
@ -268,17 +268,28 @@ int exec_pty(
//break_out = true;
continue;
}
// if (watched_fds[this_fd].revents & POLLHUP) {
// // this pipe has hung up
// close(watched_fds[this_fd].fd);
// break_out = true;
// break;
// }
if (watched_fds[this_fd].revents & POLLHUP) {
// this pipe has hung up
close(watched_fds[this_fd].fd);
break_out = true;
break;
// don't close the file descriptor yet, there might still be data to read
// instead, remove the POLLIN event to avoid getting a POLLHUP event in the next poll() call
watched_fds[this_fd].events &= ~POLLIN;
}
}
}
// wait for child to exit, capture status
waitpid(pid, &status, 0);
while ((byte_count = read(fd_child_stderr_pipe[READ_END], buf, BUFFER_SIZE)) > 0) {
write_all(stderr_log_fh->_fileno, buf, byte_count);
write_all(STDERR_FILENO, buf, byte_count);
}
ttyResetExit( &ttyOrig);
if WIFEXITED(status) {
return WEXITSTATUS(status);