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authorCyrille Bagard <nocbos@gmail.com>2020-09-21 22:23:47 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2020-09-21 22:23:47 (GMT)
commit76fb13178cf6be94b8e01675b37f7cb1b92f7709 (patch)
treea6e6bbc6dde169add608097ceb5658fcb904bd08 /plugins/pychrysalide
parentdfe76faf21e254c02c86a1b0b1f8ca8fc07fe027 (diff)
Defined lock mechanism for buffer caches.
Diffstat (limited to 'plugins/pychrysalide')
-rw-r--r--plugins/pychrysalide/glibext/buffercache.c134
1 files changed, 120 insertions, 14 deletions
diff --git a/plugins/pychrysalide/glibext/buffercache.c b/plugins/pychrysalide/glibext/buffercache.c
index d3bee45..0cf3342 100644
--- a/plugins/pychrysalide/glibext/buffercache.c
+++ b/plugins/pychrysalide/glibext/buffercache.c
@@ -55,6 +55,12 @@ static int py_buffer_cache_init(PyObject *, PyObject *, PyObject *);
/* -------------------------- TAMPON POUR CODE DESASSEMBLE -------------------------- */
+/* Met à disposition un encadrement des accès aux lignes. */
+static PyObject *py_buffer_cache_lock(PyObject *, PyObject *);
+
+/* Met à disposition un encadrement des accès aux lignes. */
+static PyObject *py_buffer_cache_unlock(PyObject *, PyObject *);
+
/* Insère un générateur dans des lignes à une position donnée. */
static PyObject *py_buffer_cache_insert_at(PyObject *, PyObject *);
@@ -243,6 +249,104 @@ static int py_buffer_cache_init(PyObject *self, PyObject *args, PyObject *kwds)
* Paramètres : self = classe représentant un tampon de code. *
* args = arguments fournis à l'appel. *
* *
+* Description : Met à disposition un encadrement des accès aux lignes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_buffer_cache_lock(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Trouvailles à retourner */
+ int write; /* Type de verrou à poser */
+ int ret; /* Bilan de lecture des args. */
+ GBufferCache *cache; /* Tampon natif à consulter */
+
+#define BUFFER_CACHE_LOCK_METHOD PYTHON_METHOD_DEF \
+( \
+ lock, "$self, /, write=False", \
+ METH_VARARGS, py_buffer_cache, \
+ "Lock for access the content of a buffer cache instance.\n" \
+ "\n" \
+ "The *write* parameter is a boolean value which has to be set" \
+ " if the access to perform will modify the buffer cache.\n" \
+ "\n" \
+ "Each call of this method has to followed by a call to" \
+ " pychrysalide.glibext.BufferCache.unlock(), with the same" \
+ " *write* parameter." \
+)
+
+ write = 0;
+
+ ret = PyArg_ParseTuple(args, "|p", &write);
+ if (!ret) return NULL;
+
+ cache = G_BUFFER_CACHE(pygobject_get(self));
+
+ g_buffer_cache_lock_unlock(cache, write, true);
+
+ result = Py_None;
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = classe représentant un tampon de code. *
+* args = arguments fournis à l'appel. *
+* *
+* Description : Met à disposition un encadrement des accès aux lignes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_buffer_cache_unlock(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Trouvailles à retourner */
+ int write; /* Type de verrou à poser */
+ int ret; /* Bilan de lecture des args. */
+ GBufferCache *cache; /* Tampon natif à consulter */
+
+#define BUFFER_CACHE_UNLOCK_METHOD PYTHON_METHOD_DEF \
+( \
+ unlock, "$self, /, write=False", \
+ METH_VARARGS, py_buffer_cache, \
+ "Unlock the content of a buffer cache instance.\n" \
+ "\n" \
+ "The *write* parameter is a boolean value which has to be set" \
+ " if the performed access has modified the buffer cache.\n" \
+)
+
+ write = 0;
+
+ ret = PyArg_ParseTuple(args, "|p", &write);
+ if (!ret) return NULL;
+
+ cache = G_BUFFER_CACHE(pygobject_get(self));
+
+ g_buffer_cache_lock_unlock(cache, write, false);
+
+ result = Py_None;
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = classe représentant un tampon de code. *
+* args = arguments fournis à l'appel. *
+* *
* Description : Insère un générateur dans des lignes à une position donnée. *
* *
* Retour : - *
@@ -276,7 +380,7 @@ static PyObject *py_buffer_cache_insert_at(PyObject *self, PyObject *args)
" extra pychrysalide.glibext.BufferLine.BufferLineFlags" \
" values.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -326,7 +430,7 @@ static PyObject *py_buffer_cache_delete_at(PyObject *self, PyObject *args)
METH_VARARGS, py_buffer_cache, \
"Delete the line at the *index* position from a buffer cache.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -384,7 +488,7 @@ static PyObject *py_buffer_cache_delete_type_at(PyObject *self, PyObject *args)
"The function returns the deleted generator as a" \
" pychrysalide.glibext.LineGenerator instance, or None if none found.\n"\
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -451,7 +555,7 @@ static PyObject *py_buffer_cache_append(PyObject *self, PyObject *args)
" properties can be set for the line as extra" \
" pychrysalide.glibext.BufferLine.BufferLineFlags values.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -504,9 +608,9 @@ static PyObject *py_buffer_cache_extend_with(PyObject *self, PyObject *args)
" quantity, otherwise the call makes no sense. The generator" \
" is a pychrysalide.glibext.LineGenerator instance used to" \
" produce the extra new lines on demand." \
- "\n" \
- "An access lock has to be held for the cache; see the" \
- " pychrysalide.glibext.BufferCache.lock() function." \
+ "\n" \
+ "An write access lock has to be held for the cache; see the" \
+ " pychrysalide.glibext.BufferCache.lock() function." \
)
ret = PyArg_ParseTuple(args, "nO&", &count, convert_to_line_generator, &generator);
@@ -553,7 +657,7 @@ static PyObject *py_buffer_cache_truncate(PyObject *self, PyObject *args)
"The *max* number should be lesser than the current line quantity," \
" otherwise no effect will happen." \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -603,7 +707,7 @@ static PyObject *py_buffer_cache_add_line_flag(PyObject *self, PyObject *args)
"The *index* has to be a simple integer, and the *flag* a" \
" pychrysalide.glibext.BufferLine.BufferLineFlags value.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -653,7 +757,7 @@ static PyObject *py_buffer_cache_get_line_flags(PyObject *self, PyObject *args)
"The result is a pychrysalide.glibext.BufferLine.BufferLineFlags" \
" value.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An read access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -702,7 +806,7 @@ static PyObject *py_buffer_cache_remove_line_flag(PyObject *self, PyObject *args
"The *index* has to be a simple integer, and the *flag* a" \
" pychrysalide.glibext.BufferLine.BufferLineFlags value.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An write access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -751,7 +855,7 @@ static PyObject *py_buffer_cache_find_line_by_index(PyObject *self, PyObject *ar
"The result is a pychrysalide.glibext.BufferLine instance or" \
" None.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An read access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -815,7 +919,7 @@ static PyObject *py_buffer_cache_look_for_flag(PyObject *self, PyObject *args)
" or, if no match is found, the number of lines in the buffer" \
" cache.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An read access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -1012,7 +1116,7 @@ static PyObject *py_buffer_cache_get_lines_count(PyObject *self, void *closure)
lines_count, py_buffer_cache, \
"Count the number of lines contained in a buffer cache.\n" \
"\n" \
- "An access lock has to be held for the cache; see the" \
+ "An read access lock has to be held for the cache; see the" \
" pychrysalide.glibext.BufferCache.lock() function." \
)
@@ -1042,6 +1146,8 @@ static PyObject *py_buffer_cache_get_lines_count(PyObject *self, void *closure)
PyTypeObject *get_python_buffer_cache_type(void)
{
static PyMethodDef py_buffer_cache_methods[] = {
+ BUFFER_CACHE_LOCK_METHOD,
+ BUFFER_CACHE_UNLOCK_METHOD,
BUFFER_CACHE_INSERT_AT_METHOD,
BUFFER_CACHE_DELETE_AT_METHOD,
BUFFER_CACHE_DELETE_TYPE_AT_METHOD,