[Telemetry] Add timeout to telemetry run_tests

tools/telemetry/third_party/subprocess32/_posixsubprocess_helpers.c

+/* Functions and macros from Python 3.2 not found in 2.x.
+   This file is #included by _posixsubprocess.c and the functions
+   are declared static to avoid exposing them outside this module. */
+
+#include "unicodeobject.h"
+
+#if (PY_VERSION_HEX < 0x02050000)
+#define Py_ssize_t      int
+#endif
+
+#define Py_CLEANUP_SUPPORTED 0x20000
+
+/* Issue #1983: pid_t can be longer than a C long on some systems */
+#if !defined(SIZEOF_PID_T) || SIZEOF_PID_T == SIZEOF_INT
+#define PyLong_FromPid PyLong_FromLong
+#elif SIZEOF_PID_T == SIZEOF_LONG
+#define PyLong_FromPid PyLong_FromLong
+#elif defined(SIZEOF_LONG_LONG) && SIZEOF_PID_T == SIZEOF_LONG_LONG
+#define PyLong_FromPid PyLong_FromLongLong
+#else
+#error "sizeof(pid_t) is neither sizeof(int), sizeof(long) or sizeof(long long)"
+#endif /* SIZEOF_PID_T */
+
+
+static PyObject *PyUnicode_EncodeFSDefault(PyObject *unicode)
+{
+    if (Py_FileSystemDefaultEncoding)
+        return PyUnicode_AsEncodedString(unicode,
+                                         Py_FileSystemDefaultEncoding,
+                                         "strict");
+    else
+        return PyUnicode_EncodeUTF8(PyUnicode_AS_UNICODE(unicode),
+                                    PyUnicode_GET_SIZE(unicode),
+                                    "strict");
+}
+
+
+/* Convert the argument to a bytes object, according to the file
+   system encoding.  The addr param must be a PyObject**.
+   This is designed to be used with "O&" in PyArg_Parse APIs. */
+
+static int
+PyUnicode_FSConverter(PyObject* arg, void* addr)
+{
+    PyObject *output = NULL;
+    Py_ssize_t size;
+    void *data;
+    if (arg == NULL) {
+        Py_DECREF(*(PyObject**)addr);
+        return 1;
+    }
+    if (PyString_Check(arg)) {
+        output = arg;
+        Py_INCREF(output);
+    }
+    else {
+        arg = PyUnicode_FromObject(arg);
+        if (!arg)
+            return 0;
+        output = PyUnicode_EncodeFSDefault(arg);
+        Py_DECREF(arg);
+        if (!output)
+            return 0;
+        if (!PyString_Check(output)) {
+            Py_DECREF(output);
+            PyErr_SetString(PyExc_TypeError, "encoder failed to return bytes");
+            return 0;
+        }
+    }
+    size = PyString_GET_SIZE(output);
+    data = PyString_AS_STRING(output);
+    if (size != strlen(data)) {
+        PyErr_SetString(PyExc_TypeError, "embedded NUL character");
+        Py_DECREF(output);
+        return 0;
+    }
+    *(PyObject**)addr = output;
+    return Py_CLEANUP_SUPPORTED;
+}
+
+
+/* Free's a NULL terminated char** array of C strings. */
+static void
+_Py_FreeCharPArray(char *const array[])
+{
+    Py_ssize_t i;
+    for (i = 0; array[i] != NULL; ++i) {
+        free(array[i]);
+    }
+    free((void*)array);
+}
+
+
+/*
+ * Flatten a sequence of bytes() objects into a C array of
+ * NULL terminated string pointers with a NULL char* terminating the array.
+ * (ie: an argv or env list)
+ *
+ * Memory allocated for the returned list is allocated using malloc() and MUST
+ * be freed by the caller using a free() loop or _Py_FreeCharPArray().
+ */
+static char *const *
+_PySequence_BytesToCharpArray(PyObject* self)
+{
+    char **array;
+    Py_ssize_t i, argc;
+    PyObject *item = NULL;
+
+    argc = PySequence_Size(self);
+    if (argc == -1)
+        return NULL;
+
+    array = malloc((argc + 1) * sizeof(char *));
+    if (array == NULL) {
+        PyErr_NoMemory();
+        return NULL;
+    }
+    for (i = 0; i < argc; ++i) {
+        char *data;
+        item = PySequence_GetItem(self, i);
+        data = PyString_AsString(item);
+        if (data == NULL) {
+            /* NULL terminate before freeing. */
+            array[i] = NULL;
+            goto fail;
+        }
+        array[i] = strdup(data);
+        if (!array[i]) {
+            PyErr_NoMemory();
+            goto fail;
+        }
+        Py_DECREF(item);
+    }
+    array[argc] = NULL;
+
+    return array;
+
+fail:
+    Py_XDECREF(item);
+    _Py_FreeCharPArray(array);
+    return NULL;
+}
+
+
+/* Restore signals that the interpreter has called SIG_IGN on to SIG_DFL.
+ *
+ * All of the code in this function must only use async-signal-safe functions,
+ * listed at `man 7 signal` or
+ * http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html.
+ */
+static void
+_Py_RestoreSignals(void)
+{
+#ifdef SIGPIPE
+    PyOS_setsig(SIGPIPE, SIG_DFL);
+#endif
+#ifdef SIGXFZ
+    PyOS_setsig(SIGXFZ, SIG_DFL);
+#endif
+#ifdef SIGXFSZ
+    PyOS_setsig(SIGXFSZ, SIG_DFL);
+#endif
+}