summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorMartin v. Löwis <martin@v.loewis.de>2002-12-31 12:55:15 (GMT)
committerMartin v. Löwis <martin@v.loewis.de>2002-12-31 12:55:15 (GMT)
commit24a880b499a53436de52ef9ef107db001e59e24b (patch)
tree0df738c031c6bb0618ef3505b58d28224758d9dd /Modules
parentb70557f13dc3fe40f1a0e604855acf3e41500c97 (diff)
downloadcpython-24a880b499a53436de52ef9ef107db001e59e24b.zip
cpython-24a880b499a53436de52ef9ef107db001e59e24b.tar.gz
cpython-24a880b499a53436de52ef9ef107db001e59e24b.tar.bz2
Patch #656590: /dev/ptmx support for ptys.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/posixmodule.c46
1 files changed, 39 insertions, 7 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 1d8697e..646229e 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -2718,7 +2718,7 @@ posix_fork(PyObject *self, PyObject *args)
}
#endif
-#if defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY)
+#if defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) || defined(HAVE_DEV_PTMX)
#ifdef HAVE_PTY_H
#include <pty.h>
#else
@@ -2726,9 +2726,12 @@ posix_fork(PyObject *self, PyObject *args)
#include <libutil.h>
#endif /* HAVE_LIBUTIL_H */
#endif /* HAVE_PTY_H */
-#endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) */
+#ifdef sun
+#include <sys/stropts.h>
+#endif
+#endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) || defined(HAVE_DEV_PTMX */
-#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY)
+#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)
PyDoc_STRVAR(posix_openpty__doc__,
"openpty() -> (master_fd, slave_fd)\n\n\
Open a pseudo-terminal, returning open fd's for both master and slave end.\n");
@@ -2740,6 +2743,12 @@ posix_openpty(PyObject *self, PyObject *args)
#ifndef HAVE_OPENPTY
char * slave_name;
#endif
+#if defined(HAVE_DEV_PTMX) && !defined(HAVE_OPENPTY) && !defined(HAVE__GETPTY)
+ void *sig_saved;
+#ifdef sun
+ extern char *ptsname();
+#endif
+#endif
if (!PyArg_ParseTuple(args, ":openpty"))
return NULL;
@@ -2747,7 +2756,7 @@ posix_openpty(PyObject *self, PyObject *args)
#ifdef HAVE_OPENPTY
if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) != 0)
return posix_error();
-#else
+#elif HAVE__GETPTY
slave_name = _getpty(&master_fd, O_RDWR, 0666, 0);
if (slave_name == NULL)
return posix_error();
@@ -2755,12 +2764,35 @@ posix_openpty(PyObject *self, PyObject *args)
slave_fd = open(slave_name, O_RDWR);
if (slave_fd < 0)
return posix_error();
+#else
+ master_fd = open("/dev/ptmx", O_RDWR | O_NOCTTY); /* open master */
+ if (master_fd < 0)
+ return posix_error();
+ sig_saved = signal(SIGCHLD, SIG_DFL);
+ if (grantpt(master_fd) < 0) /* change permission of slave */
+ return posix_error();
+ if (unlockpt(master_fd) < 0) /* unlock slave */
+ return posix_error();
+ signal(SIGCHLD, sig_saved);
+ slave_name = ptsname(master_fd); /* get name of slave */
+ if (slave_name == NULL)
+ return posix_error();
+ slave_fd = open(slave_name, O_RDWR | O_NOCTTY); /* open slave */
+ if (slave_fd < 0)
+ return posix_error();
+#ifndef __CYGWIN__
+ ioctl(slave_fd, I_PUSH, "ptem"); /* push ptem */
+ ioctl(slave_fd, I_PUSH, "ldterm"); /* push ldterm */
+#ifndef _hpux
+ ioctl(slave_fd, I_PUSH, "ttcompat"); /* push ttcompat */
+#endif /* _hpux */
+#endif /* HAVE_CYGWIN */
#endif /* HAVE_OPENPTY */
return Py_BuildValue("(ii)", master_fd, slave_fd);
}
-#endif /* defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) */
+#endif /* defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX) */
#ifdef HAVE_FORKPTY
PyDoc_STRVAR(posix_forkpty__doc__,
@@ -7229,9 +7261,9 @@ static PyMethodDef posix_methods[] = {
#ifdef HAVE_FORK
{"fork", posix_fork, METH_VARARGS, posix_fork__doc__},
#endif /* HAVE_FORK */
-#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY)
+#if defined(HAVE_OPENPTY) || defined(HAVE__GETPTY) || defined(HAVE_DEV_PTMX)
{"openpty", posix_openpty, METH_VARARGS, posix_openpty__doc__},
-#endif /* HAVE_OPENPTY || HAVE__GETPTY */
+#endif /* HAVE_OPENPTY || HAVE__GETPTY || HAVE_DEV_PTMX */
#ifdef HAVE_FORKPTY
{"forkpty", posix_forkpty, METH_VARARGS, posix_forkpty__doc__},
#endif /* HAVE_FORKPTY */