27 lines
433 B
C
27 lines
433 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/shm.h>
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int main() {
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int shmid, input, *shm;
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printf("Shared memory id: ");
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scanf("%d", &shmid);
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shm = (int*) shmat(shmid, NULL, 0);
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if (shm == (int*) -1) {
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printf("Error: Cannot attach!\n");
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exit(1);
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}
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for(int i = 0; i < 3; i++) {
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scanf("%d", &input);
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shm[i+1] = input;
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}
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shm[0] = 1;
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shmdt((char*) shm);
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return 0;
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}
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