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/*[clinic input]
preserve
[clinic start generated code]*/
#include "pycore_modsupport.h" // _PyArg_CheckPositional()
PyDoc_STRVAR(subprocess_fork_exec__doc__,
"fork_exec($module, args, executable_list, close_fds, pass_fds, cwd,\n"
" env, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite,\n"
" errpipe_read, errpipe_write, restore_signals, call_setsid,\n"
" pgid_to_set, gid, extra_groups, uid, child_umask, preexec_fn,\n"
" allow_vfork, /)\n"
"--\n"
"\n"
"Spawn a fresh new child process.\n"
"\n"
"Fork a child process, close parent file descriptors as appropriate in the\n"
"child and duplicate the few that are needed before calling exec() in the\n"
"child process.\n"
"\n"
"If close_fds is True, close file descriptors 3 and higher, except those listed\n"
"in the sorted tuple pass_fds.\n"
"\n"
"The preexec_fn, if supplied, will be called immediately before closing file\n"
"descriptors and exec.\n"
"\n"
"WARNING: preexec_fn is NOT SAFE if your application uses threads.\n"
" It may trigger infrequent, difficult to debug deadlocks.\n"
"\n"
"If an error occurs in the child process before the exec, it is\n"
"serialized and written to the errpipe_write fd per subprocess.py.\n"
"\n"
"Returns: the child process\'s PID.\n"
"\n"
"Raises: Only on an error in the parent process.");
#define SUBPROCESS_FORK_EXEC_METHODDEF \
{"fork_exec", _PyCFunction_CAST(subprocess_fork_exec), METH_FASTCALL, subprocess_fork_exec__doc__},
static PyObject *
subprocess_fork_exec_impl(PyObject *module, PyObject *process_args,
PyObject *executable_list, int close_fds,
PyObject *py_fds_to_keep, PyObject *cwd_obj,
PyObject *env_list, int p2cread, int p2cwrite,
int c2pread, int c2pwrite, int errread,
int errwrite, int errpipe_read, int errpipe_write,
int restore_signals, int call_setsid,
pid_t pgid_to_set, PyObject *gid_object,
PyObject *extra_groups_packed,
PyObject *uid_object, int child_umask,
PyObject *preexec_fn, int allow_vfork);
static PyObject *
subprocess_fork_exec(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
{
PyObject *return_value = NULL;
PyObject *process_args;
PyObject *executable_list;
int close_fds;
PyObject *py_fds_to_keep;
PyObject *cwd_obj;
PyObject *env_list;
int p2cread;
int p2cwrite;
int c2pread;
int c2pwrite;
int errread;
int errwrite;
int errpipe_read;
int errpipe_write;
int restore_signals;
int call_setsid;
pid_t pgid_to_set;
PyObject *gid_object;
PyObject *extra_groups_packed;
PyObject *uid_object;
int child_umask;
PyObject *preexec_fn;
int allow_vfork;
if (!_PyArg_CheckPositional("fork_exec", nargs, 23, 23)) {
goto exit;
}
process_args = args[0];
executable_list = args[1];
close_fds = PyObject_IsTrue(args[2]);
if (close_fds < 0) {
goto exit;
}
if (!PyTuple_Check(args[3])) {
_PyArg_BadArgument("fork_exec", "argument 4", "tuple", args[3]);
goto exit;
}
py_fds_to_keep = args[3];
cwd_obj = args[4];
env_list = args[5];
p2cread = PyLong_AsInt(args[6]);
if (p2cread == -1 && PyErr_Occurred()) {
goto exit;
}
p2cwrite = PyLong_AsInt(args[7]);
if (p2cwrite == -1 && PyErr_Occurred()) {
goto exit;
}
c2pread = PyLong_AsInt(args[8]);
if (c2pread == -1 && PyErr_Occurred()) {
goto exit;
}
c2pwrite = PyLong_AsInt(args[9]);
if (c2pwrite == -1 && PyErr_Occurred()) {
goto exit;
}
errread = PyLong_AsInt(args[10]);
if (errread == -1 && PyErr_Occurred()) {
goto exit;
}
errwrite = PyLong_AsInt(args[11]);
if (errwrite == -1 && PyErr_Occurred()) {
goto exit;
}
errpipe_read = PyLong_AsInt(args[12]);
if (errpipe_read == -1 && PyErr_Occurred()) {
goto exit;
}
errpipe_write = PyLong_AsInt(args[13]);
if (errpipe_write == -1 && PyErr_Occurred()) {
goto exit;
}
restore_signals = PyObject_IsTrue(args[14]);
if (restore_signals < 0) {
goto exit;
}
call_setsid = PyObject_IsTrue(args[15]);
if (call_setsid < 0) {
goto exit;
}
pgid_to_set = PyLong_AsPid(args[16]);
if (pgid_to_set == -1 && PyErr_Occurred()) {
goto exit;
}
gid_object = args[17];
extra_groups_packed = args[18];
uid_object = args[19];
child_umask = PyLong_AsInt(args[20]);
if (child_umask == -1 && PyErr_Occurred()) {
goto exit;
}
preexec_fn = args[21];
allow_vfork = PyObject_IsTrue(args[22]);
if (allow_vfork < 0) {
goto exit;
}
return_value = subprocess_fork_exec_impl(module, process_args, executable_list, close_fds, py_fds_to_keep, cwd_obj, env_list, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, errpipe_read, errpipe_write, restore_signals, call_setsid, pgid_to_set, gid_object, extra_groups_packed, uid_object, child_umask, preexec_fn, allow_vfork);
exit:
return return_value;
}
/*[clinic end generated code: output=48555f5965a871be input=a9049054013a1b77]*/
|
