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gst/gstinfo.c: Add mutex to serialise access to the hash table with the function pointer => function name string mapp...

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Original commit message from CVS:
Reviewed by: Tim-Philipp Müller  <tim at centricular dot net>
* gst/gstinfo.c: (_gst_debug_nameof_funcptr),
(_gst_debug_register_funcptr):
Add mutex to serialise access to the hash table with
the function pointer => function name string mapping;
make that hash table static scope (#316809).
* gst/registries/.cvsignore:
Remove left-over file.
This commit is contained in:
Tim-Philipp Müller 2005-09-21 21:39:06 +00:00
parent 3940710283
commit b907cd9815
3 changed files with 26 additions and 9 deletions
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13
ChangeLog
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@ -1,3 +1,16 @@
2005-09-21 Francis Labonte <francis_labonte at hotmail dot com>
Reviewed by: Tim-Philipp Müller <tim at centricular dot net>
* gst/gstinfo.c: (_gst_debug_nameof_funcptr),
(_gst_debug_register_funcptr):
Add mutex to serialise access to the hash table with
the function pointer => function name string mapping;
make that hash table static scope (#316809).
* gst/registries/.cvsignore:
Remove left-over file.
2005-09-21 Tim-Philipp Müller <tim at centricular dot net>
* docs/pwg/appendix-porting.xml:

17
gst/gstinfo.c
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@ -1030,7 +1030,9 @@ gst_debug_get_all_categories (void)
/*** FUNCTION POINTERS ********************************************************/
GHashTable *__gst_function_pointers = NULL;
static GHashTable *__gst_function_pointers; /* NULL */
static GStaticMutex __dbg_functions_mutex = G_STATIC_MUTEX_INIT;
const gchar *
_gst_debug_nameof_funcptr (GstDebugFuncPtr ptr)
G_GNUC_NO_INSTRUMENT;
@ -1045,9 +1047,12 @@ _gst_debug_nameof_funcptr (GstDebugFuncPtr ptr)
Dl_info dlinfo;
#endif
if (__gst_function_pointers
&& (ptrname = g_hash_table_lookup (__gst_function_pointers, ptr))) {
return ptrname;
if (__gst_function_pointers) {
g_static_mutex_lock (&__dbg_functions_mutex);
ptrname = g_hash_table_lookup (__gst_function_pointers, ptr);
g_static_mutex_unlock (&__dbg_functions_mutex);
if (ptrname)
return ptrname;
}
/* we need to create an entry in the hash table for this one so we don't leak
* the name */
@ -1072,10 +1077,14 @@ _gst_debug_register_funcptr (GstDebugFuncPtr func, gchar * ptrname)
{
gpointer ptr = (gpointer) func;
g_static_mutex_lock (&__dbg_functions_mutex);
if (!__gst_function_pointers)
__gst_function_pointers = g_hash_table_new (g_direct_hash, g_direct_equal);
if (!g_hash_table_lookup (__gst_function_pointers, ptr))
g_hash_table_insert (__gst_function_pointers, ptr, ptrname);
g_static_mutex_unlock (&__dbg_functions_mutex);
}
#ifdef HAVE_PRINTF_EXTENSION

5
gst/registries/.gitignore vendored
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@ -1,5 +0,0 @@
registrytest
*.bb
*.bbg
*.da
*.gcno