Aldegheri Alessandro
29 lines
698 B
C
29 lines
698 B
C
//test
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#include "ipc/sem.h"
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#include "stdio.h"
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#include "ipc/ipc.h"
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int main()
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{
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//key_t i = ftok("/test1.txt", 5); //checking ftok
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long id = semget(2,2,0); //first semaphores
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long id2 = semget(2, 2, IPC_EXCL); //need to return -1 bc already exists
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long id3 = semget(2, 2, 0); //need to return 3 (semid of the first)
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long id4 = semget(100, 2, IPC_CREAT | IPC_EXCL); //need to return 101 (new semaphore)
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//long id2 = semget(IPC_PRIVATE, 2, 0);
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//long id3 = semget(IPC_PRIVATE, 2, 0);
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printf("id %d id2 %d id3 %d id4 %d\n", id, id2, id3, id4);
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/*if (i == -1){
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printf("Error with IPC_KEY\n");
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return -1;
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}*/
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return 0;
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} |