Shared memory segment manager in userland

2 files changed, 6 insertions, 2 deletions

diff --git a/src/kernel/ipc/request.c b/src/kernel/ipc/request.c
index e59a66c..4e8b407 100644
--- a/src/kernel/ipc/request.c
+++ b/src/kernel/ipc/request.c
@@ -20,7 +20,11 @@ int request_get(int id, uint32_t ptr, int wait) {
 	//when request pending (wait finished), write it to ptr
 	struct user_request *p = (struct user_request*)ptr;
 	p->func = obj->request->func;
-	for (i = 0; i < 3; i++) p->params[i] = obj->request->params[i];
+	for (i = 0; i < 3; i++) {
+		p->params[i] = obj->request->params[i];
+		if (obj->request->shm_sndr[i] != 0) p->shmsize[i] = obj->request->shm_sndr[i]->len;
+		else p->shmsize[i] = 0;
+	}
 	p->isBlocking = (obj->request->requester != 0);
 	//if request is nonblocking and no shm is to be mapped, delete request and unlock objects busymutex, else set it to acknowledged
 	if (p->isBlocking) return 0;
diff --git a/src/kernel/ipc/request.h b/src/kernel/ipc/request.h
index 0afc48b..b08264f 100644
--- a/src/kernel/ipc/request.h
+++ b/src/kernel/ipc/request.h
@@ -28,7 +28,7 @@ struct request {
 };
 
 struct user_request {
-	uint32_t func, params[3];
+	uint32_t func, params[3], shmsize[3];
 	int isBlocking;		// 1 : blocking request, 0 : nonblocking request (message)
 };