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Diffstat (limited to 'pango/pango-threadsafe.h')
| -rw-r--r-- | pango/pango-threadsafe.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/pango/pango-threadsafe.h b/pango/pango-threadsafe.h new file mode 100644 index 00000000..c4abd683 --- /dev/null +++ b/pango/pango-threadsafe.h @@ -0,0 +1,128 @@ +/* Pango + * pango-threadsafe.h: Thread-safe alternatives of glib datastructures + * + * Copyright (C) 2012 Google, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Google author(s): Behdad Esfahbod + */ + +#ifndef __PANGO_THREADSAFE_H__ +#define __PANGO_THREADSAFE_H__ + +#include <glib.h> +#include <pango/pango.h> + +G_BEGIN_DECLS + +typedef struct _PHashTable { + GHashTable *ht; + GMutex mx; +} PHashTable; + + +static inline +PHashTable* p_hash_table_new (GHashFunc hash_func, + GEqualFunc key_equal_func) +{ + PHashTable *p = g_slice_new0 (PHashTable); + + p->ht = g_hash_table_new (hash_func, key_equal_func); + + return p; +} + +static inline +PHashTable* p_hash_table_new_full (GHashFunc hash_func, + GEqualFunc key_equal_func, + GDestroyNotify key_destroy_func, + GDestroyNotify value_destroy_func) +{ + PHashTable *p = g_slice_new0 (PHashTable); + + p->ht = g_hash_table_new_full (hash_func, + key_equal_func, + key_destroy_func, + value_destroy_func); + + return p; +} + +static inline +void p_hash_table_destroy (PHashTable *hash_table) +{ + g_hash_table_destroy (hash_table->ht); + g_mutex_clear (&hash_table->mx); + g_slice_free (PHashTable, hash_table); +} + +static inline +void p_hash_table_insert (PHashTable *hash_table, + gpointer key, + gpointer value) +{ + g_mutex_lock (&hash_table->mx); + g_hash_table_insert (hash_table->ht, key, value); + g_mutex_unlock (&hash_table->mx); +} + +static inline +void p_hash_table_replace (PHashTable *hash_table, + gpointer key, + gpointer value) +{ + g_mutex_lock (&hash_table->mx); + g_hash_table_replace (hash_table->ht, key, value); + g_mutex_unlock (&hash_table->mx); +} + +static inline +gboolean p_hash_table_remove (PHashTable *hash_table, + gconstpointer key) +{ + gboolean ret; + g_mutex_lock (&hash_table->mx); + ret = g_hash_table_remove (hash_table->ht, key); + g_mutex_unlock (&hash_table->mx); + return ret; +} + +static inline +gpointer p_hash_table_lookup (PHashTable *hash_table, + gconstpointer key) +{ + gpointer ret; + g_mutex_lock (&hash_table->mx); + ret = g_hash_table_lookup (hash_table->ht, key); + g_mutex_unlock (&hash_table->mx); + return ret; +} + +static inline +void p_hash_table_foreach (PHashTable *hash_table, + GHFunc func, + gpointer user_data) +{ + g_mutex_lock (&hash_table->mx); + g_hash_table_foreach (hash_table->ht, func, user_data); + g_mutex_unlock (&hash_table->mx); +} + + +G_END_DECLS + +#endif /* __PANGO_THREADSAFE_H__ */ |