duk_api_memory.c File Reference

#include "duk_internal.h"

Go to the source code of this file.

Functions
DUK_EXTERNAL void *	duk_alloc_raw (duk_context *ctx, duk_size_t size)
DUK_EXTERNAL void	duk_free_raw (duk_context *ctx, void *ptr)
DUK_EXTERNAL void *	duk_realloc_raw (duk_context *ctx, void *ptr, duk_size_t size)
DUK_EXTERNAL void *	duk_alloc (duk_context *ctx, duk_size_t size)
DUK_EXTERNAL void	duk_free (duk_context *ctx, void *ptr)
DUK_EXTERNAL void *	duk_realloc (duk_context *ctx, void *ptr, duk_size_t size)
DUK_EXTERNAL void	duk_get_memory_functions (duk_context *ctx, duk_memory_functions *out_funcs)
DUK_EXTERNAL void	duk_gc (duk_context *ctx, duk_uint_t flags)

Function Documentation

duk_alloc()

DUK_EXTERNAL void * duk_alloc	(	duk_context *	ctx,
		duk_size_t	size )

Definition at line 31 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                                {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    return DUK_ALLOC(thr->heap, size);
}

References DUK_ALLOC, DUK_ASSERT_CTX_VALID, and duk_hthread::heap.

duk_alloc_raw()

DUK_EXTERNAL void * duk_alloc_raw	(	duk_context *	ctx,
		duk_size_t	size )

Definition at line 7 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                                    {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    return DUK_ALLOC_RAW(thr->heap, size);
}

References DUK_ALLOC_RAW, DUK_ASSERT_CTX_VALID, and duk_hthread::heap.

duk_free()

DUK_EXTERNAL void duk_free	(	duk_context *	ctx,
		void *	ptr )

Definition at line 39 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                        {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    DUK_FREE(thr->heap, ptr);
}

References DUK_ASSERT_CTX_VALID, DUK_FREE, and duk_hthread::heap.

duk_free_raw()

DUK_EXTERNAL void duk_free_raw	(	duk_context *	ctx,
		void *	ptr )

Definition at line 15 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                            {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    DUK_FREE_RAW(thr->heap, ptr);
}

References DUK_ASSERT_CTX_VALID, DUK_FREE_RAW, and duk_hthread::heap.

duk_gc()

DUK_EXTERNAL void duk_gc	(	duk_context *	ctx,
		duk_uint_t	flags )

Definition at line 81 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                             {
#ifdef DUK_USE_MARK_AND_SWEEP
    duk_hthread *thr = (duk_hthread *) ctx;
    duk_heap *heap;
 
    DUK_UNREF(flags);
 
    /* NULL accepted */
    if (!ctx) {
        return;
    }
    DUK_ASSERT_CTX_VALID(ctx);
    heap = thr->heap;
    DUK_ASSERT(heap != NULL);
 
    DUK_D(DUK_DPRINT("mark-and-sweep requested by application"));
    duk_heap_mark_and_sweep(heap, 0);
#else
    DUK_D(DUK_DPRINT("mark-and-sweep requested by application but mark-and-sweep not enabled, ignoring"));
    DUK_UNREF(ctx);
    DUK_UNREF(flags);
#endif
}

References DUK_ASSERT, DUK_ASSERT_CTX_VALID, DUK_D, DUK_DPRINT, duk_heap_mark_and_sweep(), DUK_UNREF, duk_hthread::heap, and NULL.

duk_get_memory_functions()

DUK_EXTERNAL void duk_get_memory_functions	(	duk_context *	ctx,
		duk_memory_functions *	out_funcs )

Definition at line 65 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                                                              {
    duk_hthread *thr = (duk_hthread *) ctx;
    duk_heap *heap;
 
    DUK_ASSERT_CTX_VALID(ctx);
    DUK_ASSERT(out_funcs != NULL);
    DUK_ASSERT(thr != NULL);
    DUK_ASSERT(thr->heap != NULL);
 
    heap = thr->heap;
    out_funcs->alloc_func = heap->alloc_func;
    out_funcs->realloc_func = heap->realloc_func;
    out_funcs->free_func = heap->free_func;
    out_funcs->udata = heap->heap_udata;
}

References duk_heap::alloc_func, duk_memory_functions::alloc_func, DUK_ASSERT, DUK_ASSERT_CTX_VALID, duk_heap::free_func, duk_memory_functions::free_func, duk_hthread::heap, duk_heap::heap_udata, NULL, duk_heap::realloc_func, duk_memory_functions::realloc_func, and duk_memory_functions::udata.

duk_realloc()

DUK_EXTERNAL void * duk_realloc	(	duk_context *	ctx,
		void *	ptr,
		duk_size_t	size )

Definition at line 47 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                                             {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    /*
     *  Note: since this is an exposed API call, there should be
     *  no way a mark-and-sweep could have a side effect on the
     *  memory allocation behind 'ptr'; the pointer should never
     *  be something that Duktape wants to change.
     *
     *  Thus, no need to use DUK_REALLOC_INDIRECT (and we don't
     *  have the storage location here anyway).
     */
 
    return DUK_REALLOC(thr->heap, ptr, size);
}

References DUK_ASSERT_CTX_VALID, DUK_REALLOC, and duk_hthread::heap.

duk_realloc_raw()

DUK_EXTERNAL void * duk_realloc_raw	(	duk_context *	ctx,
		void *	ptr,
		duk_size_t	size )

Definition at line 23 of file duktape-1.5.2/src-separate/duk_api_memory.c.

                                                                                 {
    duk_hthread *thr = (duk_hthread *) ctx;
 
    DUK_ASSERT_CTX_VALID(ctx);
 
    return DUK_REALLOC_RAW(thr->heap, ptr, size);
}

References DUK_ASSERT_CTX_VALID, DUK_REALLOC_RAW, and duk_hthread::heap.