From 3eb41435e3c266a6a8f3496ffa5d832f5951c50f Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Mon, 22 Jun 2009 05:31:53 +0000 Subject: Make dmnsn_array*'s thread safe. --- libdimension/dimension/array.h | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) (limited to 'libdimension/dimension/array.h') 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 /* For size_t */ +#include /* For pthread_rwlock_t */ +#include /* 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 */ -- cgit v1.2.3