diff options
Diffstat (limited to 'jni/forkpty.cpp')
-rw-r--r-- | jni/forkpty.cpp | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/jni/forkpty.cpp b/jni/forkpty.cpp deleted file mode 100644 index 7feb307..0000000 --- a/jni/forkpty.cpp +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (C) 2013 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define LOG_TAG "forkpty" - -#include <utils/Log.h> - -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <termios.h> -#include <unistd.h> - -#include "forkpty.h" - -pid_t forkpty(int *master, int *slave, const struct termios *termp, - const struct winsize *winp) { - int ptm = open("/dev/ptmx", O_RDWR); - if (ptm < 0) { - ALOGE("cannot open /dev/ptmx - %s", strerror(errno)); - return -1; - } - fcntl(ptm, F_SETFD, FD_CLOEXEC); - - char *devname; - if (grantpt(ptm) || unlockpt(ptm) || ((devname = (char *) ptsname(ptm)) == 0)) { - ALOGE("error opening pty - %s", strerror(errno)); - return -1; - } - - int pts = open(devname, O_RDWR); - if (pts < 0) { - ALOGE("unable to open slave pty - %s", strerror(errno)); - return -1; - } - - if (termp) { - tcsetattr(pts, TCSAFLUSH, termp); - } - - if (winp) { - ioctl(pts, TIOCSWINSZ, winp); - } - - pid_t pid = fork(); - - if (pid < 0) { - ALOGE("fork failed - %s", strerror(errno)); - return -1; - } - - if (pid == 0) { - setsid(); - if (ioctl(pts, TIOCSCTTY, (char *)NULL) == -1) exit(-1); - dup2(pts, STDIN_FILENO); - dup2(pts, STDOUT_FILENO); - dup2(pts, STDERR_FILENO); - if (pts > 2) { - close(pts); - } - } else { - *master = ptm; - if (slave) { - *slave = pts; - } - } - return pid; -} - |