graphene/LibOS/shim/test/regression/exec.c

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>

int main (int argc, const char ** argv, const char ** envp)
{
    int newfd = dup(1);
    char fd_argv[4];
    snprintf(fd_argv, 4, "%d", newfd);
    char * const new_argv[] = { "./exec_victim", fd_argv, NULL };

    setenv("IN_EXECVE", "1", 1);

    execv(new_argv[0], new_argv);
    return 0;
}