mirrors/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty synced 2026-07-26 02:02:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Nicer establish_controlling_tty

Browse Source
This commit is contained in:
Kovid Goyal
2022-07-13 19:44:09 +05:30
parent 94551623ec
commit 08c2de541f
3 changed files with 54 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
kitty/child.c
View File

@@ -181,27 +181,8 @@ spawn(PyObject *self UNUSED, PyObject *args) {
return PyLong_FromLong(pid);
}
static PyObject*
establish_controlling_tty(PyObject *self UNUSED, PyObject *args) {
int stdin_fd = -1, stdout_fd = -1, stderr_fd = -1;
const char *tty_name;
if (!PyArg_ParseTuple(args, "s|iii", &tty_name, &stdin_fd, &stdout_fd, &stderr_fd)) return NULL;
int tfd = safe_open(tty_name, O_RDWR | O_CLOEXEC, 0);
#define cleanup() if (tfd >= 0) safe_close(tfd, __FILE__, __LINE__);
#define fail() { cleanup(); return PyErr_SetFromErrno(PyExc_OSError); }
if (tfd < 0) { cleanup(); return PyErr_SetFromErrnoWithFilename(PyExc_OSError, tty_name); }
if (ioctl(tfd, TIOCSCTTY, 0) == -1) fail();
if (stdin_fd > -1 && safe_dup2(tfd, stdin_fd) == -1) fail();
if (stdout_fd > -1 && safe_dup2(tfd, stdout_fd) == -1) fail();
if (stderr_fd > -1 && safe_dup2(tfd, stderr_fd) == -1) fail();
#undef cleanup
#undef fail
return PyLong_FromLong(tfd);
}
static PyMethodDef module_methods[] = {
METHODB(spawn, METH_VARARGS),
METHODB(establish_controlling_tty, METH_VARARGS),
{NULL, NULL, 0, NULL} /* Sentinel */
};