1#include <unistd.h> 2#include "syscall.h" 3#ifdef OHOS_FDTRACK_HOOK_ENABLE 4#include "musl_fdtrack_hook.h" 5#endif 6 7int dup(int fd) 8{ 9#ifdef OHOS_FDTRACK_HOOK_ENABLE 10 return FDTRACK_START_HOOK(syscall(SYS_dup, fd)); 11#endif 12 return syscall(SYS_dup, fd); 13} 14