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2 changes: 2 additions & 0 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,5 @@ node_modules/
npm-debug.log
package-lock.json
.vscode
.cache
compile_commands.json
1 change: 0 additions & 1 deletion index.js
Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
'use strict';
const shm = require('./build/Release/shm.node');
const cluster = require('cluster');

const uint32Max = Math.pow(2,32) - 1;
const keyMin = 1;
Expand Down
33 changes: 23 additions & 10 deletions src/node_shm.cc
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include "node_shm.h"
#include "node.h"

//-------------------------------

Expand Down Expand Up @@ -28,8 +29,8 @@ namespace Buffer {


MaybeLocal<Object> NewTyped(
Isolate* isolate,
char* data,
Isolate* isolate,
char* data,
size_t count
#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION
, node::Buffer::FreeCallback callback
Expand All @@ -51,9 +52,9 @@ namespace Buffer {
Local<ArrayBuffer> ab = arr->Buffer();
*/

Local<ArrayBuffer> ab = ArrayBuffer::New(isolate, data, length,
Local<ArrayBuffer> ab = ArrayBuffer::New(isolate, data, length,
ArrayBufferCreationMode::kExternalized);

Local<Object> ui;
switch(type) {
case SHMBT_INT8:
Expand Down Expand Up @@ -159,7 +160,11 @@ namespace node_shm {
static bool hasShmSegmentInfo(int resId);
static bool removeShmSegmentInfo(int resId);
static void FreeCallback(char* data, void* hint);
#if NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION
static void Init(Local<Object> target);
#else
static void Init(Local<Object> target, Local<Value> module, void* priv);
#endif
static void AtNodeExit(void*);


Expand Down Expand Up @@ -231,10 +236,10 @@ namespace node_shm {
if (i == shmSegmentsCnt-1) {
//removing last element
} else {
std::copy(shmSegmentsIds + i + 1,
shmSegmentsIds + shmSegmentsCnt,
std::copy(shmSegmentsIds + i + 1,
shmSegmentsIds + shmSegmentsCnt,
shmSegmentsIds + i);
std::copy(shmSegmentsAddrs + i + 1,
std::copy(shmSegmentsAddrs + i + 1,
shmSegmentsAddrs + shmSegmentsCnt,
shmSegmentsAddrs + i);
}
Expand Down Expand Up @@ -307,7 +312,7 @@ namespace node_shm {
ShmBufferType type = (ShmBufferType) Nan::To<int32_t>(info[4]).FromJust();
size_t size = count * getSize1ForShmBufferType(type);
bool isCreate = (size > 0);

int resId = shmget(key, size, shmflg);
if (resId == -1) {
switch(errno) {
Expand All @@ -330,7 +335,7 @@ namespace node_shm {
} else
return Nan::ThrowError(strerror(errno));
}

void* res = shmat(resId, NULL, at_shmflg);
if (res == (void *)-1)
return Nan::ThrowError(strerror(errno));
Expand Down Expand Up @@ -399,9 +404,13 @@ namespace node_shm {
}

// Init module
#if NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION
static void Init(Local<Object> target) {
#else
static void Init(Local<Object> target, Local<Value> module, void* priv) {
#endif
initShmSegmentsInfo();

Nan::SetMethod(target, "get", get);
Nan::SetMethod(target, "detach", detach);
Nan::SetMethod(target, "detachAll", detachAll);
Expand All @@ -424,7 +433,11 @@ namespace node_shm {
Nan::Set(target, Nan::New("SHMBT_FLOAT32").ToLocalChecked(), Nan::New<Number>(SHMBT_FLOAT32));
Nan::Set(target, Nan::New("SHMBT_FLOAT64").ToLocalChecked(), Nan::New<Number>(SHMBT_FLOAT64));

#if NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION
node::AtExit(AtNodeExit);
#else
node::AddEnvironmentCleanupHook(target->GetIsolate(), AtNodeExit, nullptr);
#endif
}

}
Expand Down