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authorTavian Barnes <tavianator@gmail.com>2009-06-22 05:31:53 +0000
committerTavian Barnes <tavianator@gmail.com>2009-06-22 05:31:53 +0000
commit3eb41435e3c266a6a8f3496ffa5d832f5951c50f (patch)
treef98b57a0f947c86552c564a13b007dc7bf45fe0e /libdimension/dimension
parentc4b1e00954c6934b081cbf3b26c55222b351cc46 (diff)
downloaddimension-3eb41435e3c266a6a8f3496ffa5d832f5951c50f.tar.xz
Make dmnsn_array*'s thread safe.
Diffstat (limited to 'libdimension/dimension')
-rw-r--r--libdimension/dimension/array.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/libdimension/dimension/array.h b/libdimension/dimension/array.h
index 0a64952..30a119d 100644
--- a/libdimension/dimension/array.h
+++ b/libdimension/dimension/array.h
@@ -22,28 +22,38 @@
#define DIMENSION_ARRAY_H
/*
- * Simple generalized arrays, for returning variable-length arrays from
- * functions, and other fun stuff.
+ * Simple thread-safe generalized arrays, for returning variable-length arrays
+ * from functions, and other fun stuff.
*/
-#include <stdlib.h> /* For size_t */
+#include <pthread.h> /* For pthread_rwlock_t */
+#include <stdlib.h> /* For size_t */
typedef struct {
void *ptr;
size_t obj_size, length, capacity;
+
+ /* Synchronicity control (pointer so it's not const) */
+ pthread_rwlock_t *rwlock;
} dmnsn_array;
dmnsn_array *dmnsn_new_array(size_t obj_size);
+void dmnsn_delete_array(dmnsn_array *array);
void dmnsn_array_push(dmnsn_array *array, const void *obj);
void dmnsn_array_pop(dmnsn_array *array, void *obj);
-void *dmnsn_array_at(dmnsn_array *array, size_t i);
-void dmnsn_array_get(const dmnsn_array *array, size_t i, void *obj);
-void dmnsn_array_set(dmnsn_array *array, size_t i, const void *obj);
+void dmnsn_array_get(const dmnsn_array *array, size_t i, void *obj);
+void dmnsn_array_set(dmnsn_array *array, size_t i, const void *obj);
void dmnsn_array_resize(dmnsn_array *array, size_t length);
-void dmnsn_delete_array(dmnsn_array *array);
+/* Thread-unsafe! Don't give multiple threads the same raw pointer... */
+void *dmnsn_array_at(dmnsn_array *array, size_t i);
+
+/* Manual locking */
+void dmnsn_array_rdlock(const dmnsn_array *array);
+void dmnsn_array_wrlock(dmnsn_array *array);
+void dmnsn_array_unlock(const dmnsn_array *array);
#endif /* DIMENSION_ARRAY_H */