banan-os/userspace/test/test.cpp

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