VKVM
/
shared-memory
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge branch 'dev' of ssh://gitlab.repo.digitech.hs-emden-leer.de:2222/link/projekte/ws19/vkvm-new/shared-memory into dev

This commit is contained in:
cigerxwinchaker 2019-11-06 13:23:14 +01:00
parent da3d8c8b73 f69810898c
commit 55e262a889
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/SharedMemory.cpp
View File

@ -8,18 +8,17 @@
int memoryAccessKey = 12345; int memoryAccessKey = 12345;
int memID; int memID;
//Shared-Memory-Segment erstellen oder öffnen – shmget() void sharedMemoryInit() {
void sharedMemoryInit() if ((memID = shmget(memoryAccessKey, Max_Memory_Size, IPC_CREAT | IPC_EXCL | 0666)) < 0) {
{ std::cerr << "Shared memory with Key: " << memoryAccessKey
if((memID = shmget(memoryAccessKey, Max_Memory_Size, IPC_CREAT | IPC_EXCL | 0666)) < 0) << " already exists. Delete by Hand before starting vKFM" << std::endl;
{
std::cerr << "Shared memory with Key: " << memoryAccessKey << " already exists. Delete by Hand before starting vKFM" << std::endl;
exit(0); exit(0);
} else { } else {
std::cout << "Shared memory with Key: " << memoryAccessKey << " allocated" << std::endl; std::cout << "Shared memory with Key: " << memoryAccessKey << " allocated" << std::endl;
} }
} }
void deleteSharedMemory(int s) void deleteSharedMemory(int s)
{ {
if (shmctl(memID, IPC_RMID, NULL) < 0 ) if (shmctl(memID, IPC_RMID, NULL) < 0 )