summaryrefslogtreecommitdiff
path: root/type_decoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'type_decoder.c')
-rw-r--r--type_decoder.c207
1 files changed, 166 insertions, 41 deletions
diff --git a/type_decoder.c b/type_decoder.c
index 231a893..f203377 100644
--- a/type_decoder.c
+++ b/type_decoder.c
@@ -48,12 +48,15 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
struct srd_proto_data_annotation *pda;
int ann_class;
char **ann_text;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
/* Should be a list of [annotation class, [string, ...]]. */
if (!PyList_Check(obj)) {
srd_err("Protocol decoder %s submitted an annotation that"
" is not a list", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Should have 2 elements. */
@@ -61,7 +64,7 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
srd_err("Protocol decoder %s submitted annotation list with "
"%zd elements instead of 2", di->decoder->name,
PyList_Size(obj));
- return SRD_ERR_PYTHON;
+ goto err;
}
/*
@@ -72,13 +75,13 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
if (!PyLong_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted annotation list, but "
"first element was not an integer.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
ann_class = PyLong_AsLong(py_tmp);
if (!(pdo = g_slist_nth_data(di->decoder->annotations, ann_class))) {
srd_err("Protocol decoder %s submitted data to unregistered "
"annotation class %d.", di->decoder->name, ann_class);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Second element must be a list. */
@@ -86,12 +89,12 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
if (!PyList_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted annotation list, but "
"second element was not a list.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
if (py_strseq_to_char(py_tmp, &ann_text) != SRD_OK) {
srd_err("Protocol decoder %s submitted annotation list, but "
"second element was malformed.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
pda = g_malloc(sizeof(struct srd_proto_data_annotation));
@@ -99,7 +102,14 @@ static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
pda->ann_text = ann_text;
pdata->data = pda;
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
@@ -110,12 +120,15 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
Py_ssize_t size;
int bin_class;
char *class_name, *buf;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
/* Should be a list of [binary class, bytes]. */
if (!PyList_Check(obj)) {
srd_err("Protocol decoder %s submitted non-list for SRD_OUTPUT_BINARY.",
di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Should have 2 elements. */
@@ -123,7 +136,7 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list "
"with %zd elements instead of 2", di->decoder->name,
PyList_Size(obj));
- return SRD_ERR_PYTHON;
+ goto err;
}
/* The first element should be an integer. */
@@ -131,13 +144,13 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
if (!PyLong_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list, "
"but first element was not an integer.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
bin_class = PyLong_AsLong(py_tmp);
if (!(class_name = g_slist_nth_data(di->decoder->binary, bin_class))) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY with "
"unregistered binary class %d.", di->decoder->name, bin_class);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Second element should be bytes. */
@@ -145,19 +158,22 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
if (!PyBytes_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list, "
"but second element was not bytes.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Consider an empty set of bytes a bug. */
if (PyBytes_Size(py_tmp) == 0) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY "
"with empty data set.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
pdb = g_malloc(sizeof(struct srd_proto_data_binary));
if (PyBytes_AsStringAndSize(py_tmp, &buf, &size) == -1)
- return SRD_ERR_PYTHON;
+ goto err;
+
+ PyGILState_Release(gstate);
+
pdb->bin_class = bin_class;
pdb->size = size;
if (!(pdb->data = g_try_malloc(pdb->size)))
@@ -166,36 +182,51 @@ static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
pdata->data = pdb;
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static int convert_meta(struct srd_proto_data *pdata, PyObject *obj)
{
long long intvalue;
double dvalue;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (pdata->pdo->meta_type == G_VARIANT_TYPE_INT64) {
if (!PyLong_Check(obj)) {
PyErr_Format(PyExc_TypeError, "This output was registered "
"as 'int', but something else was passed.");
- return SRD_ERR_PYTHON;
+ goto err;
}
intvalue = PyLong_AsLongLong(obj);
if (PyErr_Occurred())
- return SRD_ERR_PYTHON;
+ goto err;
pdata->data = g_variant_new_int64(intvalue);
} else if (pdata->pdo->meta_type == G_VARIANT_TYPE_DOUBLE) {
if (!PyFloat_Check(obj)) {
PyErr_Format(PyExc_TypeError, "This output was registered "
"as 'float', but something else was passed.");
- return SRD_ERR_PYTHON;
+ goto err;
}
dvalue = PyFloat_AsDouble(obj);
if (PyErr_Occurred())
- return SRD_ERR_PYTHON;
+ goto err;
pdata->data = g_variant_new_double(dvalue);
}
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static PyObject *Decoder_put(PyObject *self, PyObject *args)
@@ -208,11 +239,14 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
uint64_t start_sample, end_sample;
int output_id;
struct srd_pd_callback *cb;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (!(di = srd_inst_find_by_obj(NULL, self))) {
/* Shouldn't happen. */
srd_dbg("put(): self instance not found.");
- return NULL;
+ goto err;
}
if (!PyArg_ParseTuple(args, "KKiO", &start_sample, &end_sample,
@@ -222,13 +256,13 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
* Python raise it. This results in a much better trace in
* controller.c on the decode() method call.
*/
- return NULL;
+ goto err;
}
if (!(l = g_slist_nth(di->pd_output, output_id))) {
srd_err("Protocol decoder %s submitted invalid output ID %d.",
di->decoder->name, output_id);
- return NULL;
+ goto err;
}
pdo = l->data;
@@ -250,7 +284,9 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
/* An error was already logged. */
break;
}
+ Py_BEGIN_ALLOW_THREADS
cb->cb(pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
break;
case SRD_OUTPUT_PYTHON:
@@ -280,7 +316,9 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
/* An error was already logged. */
break;
}
+ Py_BEGIN_ALLOW_THREADS
cb->cb(pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
break;
case SRD_OUTPUT_META:
@@ -290,7 +328,9 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
/* An exception was already set up. */
break;
}
+ Py_BEGIN_ALLOW_THREADS
cb->cb(pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
break;
default:
@@ -299,9 +339,16 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
break;
}
+ PyGILState_Release(gstate);
+
g_free(pdata);
Py_RETURN_NONE;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static PyObject *Decoder_register(PyObject *self, PyObject *args,
@@ -315,6 +362,9 @@ static PyObject *Decoder_register(PyObject *self, PyObject *args,
int output_type;
char *proto_id, *meta_name, *meta_descr;
char *keywords[] = {"output_type", "proto_id", "meta", NULL};
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
meta_type_py = NULL;
meta_type_gv = NULL;
@@ -322,7 +372,7 @@ static PyObject *Decoder_register(PyObject *self, PyObject *args,
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return NULL;
+ goto err;
}
/* Default to instance id, which defaults to class id. */
@@ -331,7 +381,7 @@ static PyObject *Decoder_register(PyObject *self, PyObject *args,
&output_type, &proto_id,
&meta_type_py, &meta_name, &meta_descr)) {
/* Let Python raise this exception. */
- return NULL;
+ goto err;
}
/* Check if the meta value's type is supported. */
@@ -342,7 +392,7 @@ static PyObject *Decoder_register(PyObject *self, PyObject *args,
meta_type_gv = G_VARIANT_TYPE_DOUBLE;
else {
PyErr_Format(PyExc_TypeError, "Unsupported type.");
- return NULL;
+ goto err;
}
}
@@ -366,7 +416,14 @@ static PyObject *Decoder_register(PyObject *self, PyObject *args,
di->pd_output = g_slist_append(di->pd_output, pdo);
py_new_output_id = Py_BuildValue("i", pdo->pdo_id);
+ PyGILState_Release(gstate);
+
return py_new_output_id;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static int get_term_type(const char *v)
@@ -405,9 +462,13 @@ static PyObject *get_current_pinvalues(const struct srd_decoder_inst *di)
const uint8_t *sample_pos;
int byte_offset, bit_offset;
PyObject *py_pinvalues;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (!di) {
srd_err("Invalid decoder instance.");
+ PyGILState_Release(gstate);
return NULL;
}
@@ -427,6 +488,8 @@ static PyObject *get_current_pinvalues(const struct srd_decoder_inst *di)
}
}
+ PyGILState_Release(gstate);
+
return py_pinvalues;
}
@@ -448,6 +511,7 @@ static int create_term_list(PyObject *py_dict, GSList **term_list)
struct srd_term *term;
uint64_t num_samples_to_skip;
char *term_str;
+ PyGILState_STATE gstate;
if (!py_dict || !term_list)
return SRD_ERR_ARG;
@@ -455,6 +519,8 @@ static int create_term_list(PyObject *py_dict, GSList **term_list)
/* "Create" an empty GSList of terms. */
*term_list = NULL;
+ gstate = PyGILState_Ensure();
+
/* Iterate over all items in the current dict. */
while (PyDict_Next(py_dict, &pos, &py_key, &py_value)) {
/* Check whether the current key is a string or a number. */
@@ -464,7 +530,7 @@ static int create_term_list(PyObject *py_dict, GSList **term_list)
/* Get the value string. */
if ((py_pydictitem_as_str(py_dict, py_key, &term_str)) != SRD_OK) {
srd_err("Failed to get the value.");
- return SRD_ERR;
+ goto err;
}
term = g_malloc0(sizeof(struct srd_term));
term->type = get_term_type(term_str);
@@ -475,7 +541,7 @@ static int create_term_list(PyObject *py_dict, GSList **term_list)
/* TODO: Check if it's "skip". */
if ((py_pydictitem_as_long(py_dict, py_key, &num_samples_to_skip)) != SRD_OK) {
srd_err("Failed to get number of samples to skip.");
- return SRD_ERR;
+ goto err;
}
term = g_malloc0(sizeof(struct srd_term));
term->type = SRD_TERM_SKIP;
@@ -483,14 +549,21 @@ static int create_term_list(PyObject *py_dict, GSList **term_list)
term->num_samples_already_skipped = 0;
} else {
srd_err("Term key is neither a string nor a number.");
- return SRD_ERR;
+ goto err;
}
/* Add the term to the list of terms. */
*term_list = g_slist_append(*term_list, term);
}
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR;
}
/**
@@ -510,14 +583,17 @@ static int set_new_condition_list(PyObject *self, PyObject *args)
GSList *term_list;
PyObject *py_conditionlist, *py_conds, *py_dict;
int i, num_conditions, ret;
+ PyGILState_STATE gstate;
if (!self || !args)
return SRD_ERR_ARG;
+ gstate = PyGILState_Ensure();
+
/* Get the decoder instance. */
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return SRD_ERR;
+ goto err;
}
/*
@@ -526,7 +602,7 @@ static int set_new_condition_list(PyObject *self, PyObject *args)
*/
if (di->want_wait_terminate) {
srd_dbg("%s: %s: Skip (want_term).", di->inst_id, __func__);
- return SRD_ERR;
+ goto err;
}
/*
@@ -539,22 +615,22 @@ static int set_new_condition_list(PyObject *self, PyObject *args)
py_conds = Py_None;
if (!PyArg_ParseTuple(args, "|O", &py_conds)) {
/* Let Python raise this exception. */
- return SRD_ERR;
+ goto err;
}
if (py_conds == Py_None) {
/* 'py_conds' is None. */
- return 9999;
+ goto ret_9999;
} else if (PyList_Check(py_conds)) {
/* 'py_conds' is a list. */
py_conditionlist = py_conds;
num_conditions = PyList_Size(py_conditionlist);
if (num_conditions == 0)
- return 9999; /* The PD invoked self.wait([]). */
+ goto ret_9999; /* The PD invoked self.wait([]). */
Py_IncRef(py_conditionlist);
} else if (PyDict_Check(py_conds)) {
/* 'py_conds' is a dict. */
if (PyDict_Size(py_conds) == 0)
- return 9999; /* The PD invoked self.wait({}). */
+ goto ret_9999; /* The PD invoked self.wait({}). */
/* Make a list and put the dict in there for convenience. */
py_conditionlist = PyList_New(1);
Py_IncRef(py_conds);
@@ -562,7 +638,7 @@ static int set_new_condition_list(PyObject *self, PyObject *args)
num_conditions = 1;
} else {
srd_err("Condition list is neither a list nor a dict.");
- return SRD_ERR;
+ goto err;
}
/* Free the old condition list. */
@@ -590,7 +666,19 @@ static int set_new_condition_list(PyObject *self, PyObject *args)
Py_DecRef(py_conditionlist);
+ PyGILState_Release(gstate);
+
return ret;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR;
+
+ret_9999:
+ PyGILState_Release(gstate);
+
+ return 9999;
}
/**
@@ -636,19 +724,23 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
gboolean found_match;
struct srd_decoder_inst *di;
PyObject *py_pinvalues, *py_matched;
+ PyGILState_STATE gstate;
if (!self || !args)
return NULL;
+ gstate = PyGILState_Ensure();
+
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
+ PyGILState_Release(gstate);
Py_RETURN_NONE;
}
ret = set_new_condition_list(self, args);
if (ret < 0) {
srd_dbg("%s: %s: Aborting wait().", di->inst_id, __func__);
- return NULL;
+ goto err;
}
if (ret == 9999) {
/*
@@ -668,11 +760,14 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
if (ret < 0) {
srd_dbg("%s: %s: Cannot setup condition-less wait().",
di->inst_id, __func__);
- return NULL;
+ goto err;
}
}
while (1) {
+
+ Py_BEGIN_ALLOW_THREADS
+
/* Wait for new samples to process, or termination request. */
g_mutex_lock(&di->data_mutex);
while (!di->got_new_samples && !di->want_wait_terminate)
@@ -688,6 +783,8 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
found_match = FALSE;
ret = process_samples_until_condition_match(di, &found_match);
+ Py_END_ALLOW_THREADS
+
/* If there's a match, set self.samplenum etc. and return. */
if (found_match) {
/* Set self.samplenum to the (absolute) sample number that matched. */
@@ -708,6 +805,8 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
g_mutex_unlock(&di->data_mutex);
+ PyGILState_Release(gstate);
+
return py_pinvalues;
}
@@ -730,13 +829,20 @@ static PyObject *Decoder_wait(PyObject *self, PyObject *args)
srd_dbg("%s: %s: Will return from wait().",
di->inst_id, __func__);
g_mutex_unlock(&di->data_mutex);
- return NULL;
+ goto err;
}
g_mutex_unlock(&di->data_mutex);
}
+ PyGILState_Release(gstate);
+
Py_RETURN_NONE;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
/**
@@ -754,24 +860,27 @@ static PyObject *Decoder_has_channel(PyObject *self, PyObject *args)
int idx, max_idx;
struct srd_decoder_inst *di;
PyObject *py_channel;
+ PyGILState_STATE gstate;
if (!self || !args)
return NULL;
+ gstate = PyGILState_Ensure();
+
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return NULL;
+ goto err;
}
/* Parse the argument of self.has_channel() into 'py_channel'. */
if (!PyArg_ParseTuple(args, "O", &py_channel)) {
/* Let Python raise this exception. */
- return NULL;
+ goto err;
}
if (!PyLong_Check(py_channel)) {
PyErr_SetString(PyExc_Exception, "channel index not a number");
- return NULL;
+ goto err;
}
idx = PyLong_AsLong(py_channel);
@@ -781,10 +890,17 @@ static PyObject *Decoder_has_channel(PyObject *self, PyObject *args)
if (idx < 0 || idx > max_idx) {
srd_err("Invalid channel index %d/%d.", idx, max_idx);
PyErr_SetString(PyExc_Exception, "invalid channel");
- return NULL;
+ goto err;
}
+ PyGILState_Release(gstate);
+
return (di->dec_channelmap[idx] == -1) ? Py_False : Py_True;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static PyMethodDef Decoder_methods[] = {
@@ -815,11 +931,20 @@ SRD_PRIV PyObject *srd_Decoder_type_new(void)
{ Py_tp_new, (void *)&PyType_GenericNew },
{ 0, NULL }
};
+ PyObject *py_obj;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
+
spec.name = "sigrokdecode.Decoder";
spec.basicsize = sizeof(srd_Decoder);
spec.itemsize = 0;
spec.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
spec.slots = slots;
- return PyType_FromSpec(&spec);
+ py_obj = PyType_FromSpec(&spec);
+
+ PyGILState_Release(gstate);
+
+ return py_obj;
}