80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
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* Memory calls.
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*/
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#include "duk_internal.h"
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DUK_EXTERNAL void *duk_alloc_raw(duk_hthread *thr, duk_size_t size) {
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DUK_ASSERT_API_ENTRY(thr);
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return DUK_ALLOC_RAW(thr->heap, size);
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}
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DUK_EXTERNAL void duk_free_raw(duk_hthread *thr, void *ptr) {
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DUK_ASSERT_API_ENTRY(thr);
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DUK_FREE_RAW(thr->heap, ptr);
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}
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DUK_EXTERNAL void *duk_realloc_raw(duk_hthread *thr, void *ptr, duk_size_t size) {
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DUK_ASSERT_API_ENTRY(thr);
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return DUK_REALLOC_RAW(thr->heap, ptr, size);
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}
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DUK_EXTERNAL void *duk_alloc(duk_hthread *thr, duk_size_t size) {
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DUK_ASSERT_API_ENTRY(thr);
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return DUK_ALLOC(thr->heap, size);
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}
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DUK_EXTERNAL void duk_free(duk_hthread *thr, void *ptr) {
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DUK_ASSERT_API_ENTRY(thr);
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DUK_FREE_CHECKED(thr, ptr);
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}
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DUK_EXTERNAL void *duk_realloc(duk_hthread *thr, void *ptr, duk_size_t size) {
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DUK_ASSERT_API_ENTRY(thr);
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/*
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* Note: since this is an exposed API call, there should be
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* no way a mark-and-sweep could have a side effect on the
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* memory allocation behind 'ptr'; the pointer should never
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* be something that Duktape wants to change.
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*
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* Thus, no need to use DUK_REALLOC_INDIRECT (and we don't
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* have the storage location here anyway).
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*/
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return DUK_REALLOC(thr->heap, ptr, size);
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}
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DUK_EXTERNAL void duk_get_memory_functions(duk_hthread *thr, duk_memory_functions *out_funcs) {
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duk_heap *heap;
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DUK_ASSERT_API_ENTRY(thr);
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DUK_ASSERT(out_funcs != NULL);
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DUK_ASSERT(thr != NULL);
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DUK_ASSERT(thr->heap != NULL);
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heap = thr->heap;
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out_funcs->alloc_func = heap->alloc_func;
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out_funcs->realloc_func = heap->realloc_func;
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out_funcs->free_func = heap->free_func;
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out_funcs->udata = heap->heap_udata;
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}
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DUK_EXTERNAL void duk_gc(duk_hthread *thr, duk_uint_t flags) {
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duk_heap *heap;
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duk_small_uint_t ms_flags;
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DUK_ASSERT_API_ENTRY(thr);
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heap = thr->heap;
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DUK_ASSERT(heap != NULL);
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DUK_D(DUK_DPRINT("mark-and-sweep requested by application"));
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DUK_ASSERT(DUK_GC_COMPACT == DUK_MS_FLAG_EMERGENCY); /* Compact flag is 1:1 with emergency flag which forces compaction. */
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ms_flags = (duk_small_uint_t) flags;
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duk_heap_mark_and_sweep(heap, ms_flags);
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}
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