From b22a215807207c1a6332a22505840478ac633afd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= Date: Sun, 29 Dec 2013 23:39:28 -0500 Subject: [PATCH] systemd-python: fix setting of exception codes The return value of 0 would be treated as failure by mistake, resulting in " SystemError: error return without exception set". The way that set_error() is used is changed to be the same everywhere. --- src/python-systemd/_daemon.c | 14 +++++----- src/python-systemd/_reader.c | 63 ++++++++++++++++++++------------------------ 2 files changed, 35 insertions(+), 42 deletions(-) diff --git a/src/python-systemd/_daemon.c b/src/python-systemd/_daemon.c index f0ab16f..c6db69f 100644 --- a/src/python-systemd/_daemon.c +++ b/src/python-systemd/_daemon.c @@ -88,7 +88,7 @@ static PyObject* notify(PyObject *self, PyObject *args, PyObject *keywds) { #endif r = sd_notify(unset, msg); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -123,7 +123,7 @@ static PyObject* listen_fds(PyObject *self, PyObject *args, PyObject *keywds) { #endif r = sd_listen_fds(unset); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return long_FromLong(r); @@ -151,7 +151,7 @@ static PyObject* is_fifo(PyObject *self, PyObject *args) { #endif r = sd_is_fifo(fd, path); - if (set_error(r, path, NULL)) + if (set_error(r, path, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -179,7 +179,7 @@ static PyObject* is_mq(PyObject *self, PyObject *args) { #endif r = sd_is_mq(fd, path); - if (set_error(r, path, NULL)) + if (set_error(r, path, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -203,7 +203,7 @@ static PyObject* is_socket(PyObject *self, PyObject *args) { return NULL; r = sd_is_socket(fd, family, type, listening); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -230,7 +230,7 @@ static PyObject* is_socket_inet(PyObject *self, PyObject *args) { } r = sd_is_socket_inet(fd, family, type, listening, (uint16_t) port); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -265,7 +265,7 @@ static PyObject* is_socket_unix(PyObject *self, PyObject *args) { #endif r = sd_is_socket_unix(fd, type, listening, path, length); - if (set_error(r, path, NULL)) + if (set_error(r, path, NULL) < 0) return NULL; return PyBool_FromLong(r); diff --git a/src/python-systemd/_reader.c b/src/python-systemd/_reader.c index bc5db19..0c88926 100644 --- a/src/python-systemd/_reader.c +++ b/src/python-systemd/_reader.c @@ -206,8 +206,7 @@ PyDoc_STRVAR(Reader_reliable_fd__doc__, static PyObject* Reader_reliable_fd(Reader *self, PyObject *args) { int r = sd_journal_reliable_fd(self->j); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); } @@ -221,8 +220,7 @@ PyDoc_STRVAR(Reader_get_events__doc__, static PyObject* Reader_get_events(Reader *self, PyObject *args) { int r = sd_journal_get_events(self->j); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; return long_FromLong(r); } @@ -242,8 +240,7 @@ static PyObject* Reader_get_timeout(Reader *self, PyObject *args) uint64_t t; r = sd_journal_get_timeout(self->j, &t); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; if (t == (uint64_t) -1) @@ -265,8 +262,7 @@ static PyObject* Reader_get_timeout_ms(Reader *self, PyObject *args) uint64_t t; r = sd_journal_get_timeout(self->j, &t); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; return absolute_timeout(t); @@ -304,7 +300,7 @@ static PyObject* Reader_get_usage(Reader *self, PyObject *args) uint64_t bytes; r = sd_journal_get_usage(self->j, &bytes); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; assert_cc(sizeof(unsigned long long) == sizeof(bytes)); @@ -366,8 +362,7 @@ static PyObject* Reader_next(Reader *self, PyObject *args) assert_not_reached("should not be here"); Py_END_ALLOW_THREADS - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); } @@ -445,7 +440,8 @@ static PyObject* Reader_get(Reader *self, PyObject *args) if (r == -ENOENT) { PyErr_SetString(PyExc_KeyError, field); return NULL; - } else if (set_error(r, NULL, "field name is not valid")) + } + if (set_error(r, NULL, "field name is not valid") < 0) return NULL; r = extract(msg, msg_len, NULL, &value); @@ -530,7 +526,7 @@ static PyObject* Reader_get_realtime(Reader *self, PyObject *args) assert(!args); r = sd_journal_get_realtime_usec(self->j, ×tamp); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; assert_cc(sizeof(unsigned long long) == sizeof(timestamp)); @@ -555,7 +551,7 @@ static PyObject* Reader_get_monotonic(Reader *self, PyObject *args) assert(!args); r = sd_journal_get_monotonic_usec(self->j, ×tamp, &id); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; assert_cc(sizeof(unsigned long long) == sizeof(timestamp)); @@ -598,8 +594,7 @@ static PyObject* Reader_add_match(Reader *self, PyObject *args, PyObject *keywds return NULL; r = sd_journal_add_match(self->j, match, match_len); - set_error(r, NULL, "Invalid match"); - if (r < 0) + if (set_error(r, NULL, "Invalid match") < 0) return NULL; Py_RETURN_NONE; @@ -616,8 +611,7 @@ static PyObject* Reader_add_disjunction(Reader *self, PyObject *args) { int r; r = sd_journal_add_disjunction(self->j); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; } @@ -633,8 +627,7 @@ static PyObject* Reader_add_conjunction(Reader *self, PyObject *args) { int r; r = sd_journal_add_conjunction(self->j); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; } @@ -661,7 +654,7 @@ static PyObject* Reader_seek_head(Reader *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_head(self->j); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; } @@ -678,7 +671,7 @@ static PyObject* Reader_seek_tail(Reader *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_tail(self->j); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; } @@ -699,7 +692,7 @@ static PyObject* Reader_seek_realtime(Reader *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_realtime_usec(self->j, timestamp); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; } @@ -723,20 +716,20 @@ static PyObject* Reader_seek_monotonic(Reader *self, PyObject *args) if (bootid) { r = sd_id128_from_string(bootid, &id); - if (set_error(r, NULL, "Invalid bootid")) + if (set_error(r, NULL, "Invalid bootid") < 0) return NULL; } else { Py_BEGIN_ALLOW_THREADS r = sd_id128_get_boot(&id); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; } Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_monotonic_usec(self->j, id, timestamp); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; Py_RETURN_NONE; @@ -809,7 +802,7 @@ static PyObject* Reader_seek_cursor(Reader *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_cursor(self->j, cursor); Py_END_ALLOW_THREADS - if (set_error(r, NULL, "Invalid cursor")) + if (set_error(r, NULL, "Invalid cursor") < 0) return NULL; Py_RETURN_NONE; } @@ -828,7 +821,7 @@ static PyObject* Reader_get_cursor(Reader *self, PyObject *args) assert(!args); r = sd_journal_get_cursor(self->j, &cursor); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return unicode_FromString(cursor); @@ -851,8 +844,7 @@ static PyObject* Reader_test_cursor(Reader *self, PyObject *args) return NULL; r = sd_journal_test_cursor(self->j, cursor); - set_error(r, NULL, NULL); - if (r < 0) + if (set_error(r, NULL, NULL) < 0) return NULL; return PyBool_FromLong(r); @@ -876,7 +868,7 @@ static PyObject* Reader_query_unique(Reader *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_query_unique(self->j, query); Py_END_ALLOW_THREADS - if (set_error(r, NULL, "Invalid field name")) + if (set_error(r, NULL, "Invalid field name") < 0) return NULL; value_set = PySet_New(0); @@ -930,7 +922,8 @@ static PyObject* Reader_get_catalog(Reader *self, PyObject *args) else set_error(r, NULL, NULL); return NULL; - } else if (set_error(r, NULL, NULL)) + } + if (set_error(r, NULL, NULL) < 0) return NULL; return unicode_FromString(msg); @@ -955,13 +948,13 @@ static PyObject* get_catalog(PyObject *self, PyObject *args) return NULL; r = sd_id128_from_string(id_, &id); - if (set_error(r, NULL, "Invalid id128")) + if (set_error(r, NULL, "Invalid id128") < 0) return NULL; Py_BEGIN_ALLOW_THREADS r = sd_journal_get_catalog_for_message_id(id, &msg); Py_END_ALLOW_THREADS - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return unicode_FromString(msg); @@ -979,7 +972,7 @@ static PyObject* Reader_get_data_threshold(Reader *self, void *closure) int r; r = sd_journal_get_data_threshold(self->j, &cvalue); - if (set_error(r, NULL, NULL)) + if (set_error(r, NULL, NULL) < 0) return NULL; return long_FromSize_t(cvalue);