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Rekursive Funktion, die das Key inkrementiert wenn Shared-Memory nicht erstellt wurde

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Zakarya Boudouar 2019-11-04 20:02:27 +00:00
parent 75fcc01d98
commit 734d2e4f28
1 changed files with 10 additions and 6 deletions
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16
src/SharedMemory.cpp
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@ -2,13 +2,17 @@
#include <cstdio>
#include "SharedMemory.h"
//Shared-Memory-Segment erstellen oder öffnen – shmget()
void shared_memory_init(){
memory_id = shmget(IPC_PRIVATE, SHMMAXSIZE, IPC_CREAT | IPC_EXCL);
if(memory_id<0){
perror("Fehler bei der Erstellung des gemeinsamen Speicher");
exit(1);
}
int shared_memory_init(key_t key){
memory_id = shmget(key, SHMMAXSIZE, IPC_CREAT | 0666);
if(shmid == -1){
key++;
shmfnk(key);
return memory_id;
}
return 0;
}
//Shared-Memory-Segment id weiterreichen