22 lines
389 B
C
22 lines
389 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/shm.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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int main()
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{
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const int SIZE = 4096;
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const char *name = "OS";
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int shm_fd;
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void *ptr;
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shm_fd = shm_open(name, O_RDONLY, 0666);
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ptr = mmap(0, SIZE, PROT_READ, MAP_SHARED, shm_fd, 0);
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printf("%s", (char *)ptr);
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shm_unlink(name);
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}
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