mirror of https://github.com/janet-lang/janet
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* Copyright (c) 2023 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef JANET_AMALG
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#include "features.h"
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#include <janet.h>
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#include "state.h"
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#include "util.h"
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#endif
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#ifdef JANET_WINDOWS
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#include <windows.h>
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#endif
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JANET_THREAD_LOCAL JanetVM janet_vm;
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JanetVM *janet_local_vm(void) {
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return &janet_vm;
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}
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JanetVM *janet_vm_alloc(void) {
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JanetVM *mem = janet_malloc(sizeof(JanetVM));
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if (NULL == mem) {
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JANET_OUT_OF_MEMORY;
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}
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return mem;
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}
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void janet_vm_free(JanetVM *vm) {
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janet_free(vm);
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}
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void janet_vm_save(JanetVM *into) {
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*into = janet_vm;
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}
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void janet_vm_load(JanetVM *from) {
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janet_vm = *from;
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}
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/* Trigger suspension of the Janet vm by trying to
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* exit the interpeter loop when convenient. You can optionally
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* use NULL to interrupt the current VM when convenient */
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void janet_interpreter_interrupt(JanetVM *vm) {
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vm = vm ? vm : &janet_vm;
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janet_atomic_inc(&vm->auto_suspend);
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}
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void janet_interpreter_interrupt_handled(JanetVM *vm) {
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vm = vm ? vm : &janet_vm;
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janet_atomic_dec(&vm->auto_suspend);
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}
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