27 lines
496 B
C++
27 lines
496 B
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define ERROR(msg) { perror(msg); return 1; }
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#define BUF_SIZE 1024
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int main()
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{
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printf("userspace\n");
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if (fork() == 0)
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{
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char* argv[3];
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argv[0] = (char*)malloc(100); strcpy(argv[0], "/usr/bin/cat");
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argv[1] = (char*)malloc(100); strcpy(argv[1], "/usr/include/kernel/kprint.h");
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argv[2] = NULL;
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execv("/usr/bin/cat", (char**)argv);
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ERROR("execl");
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return 0;
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}
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printf("parent\n");
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return 0;
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}
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