void siginit(struct proc *p) __attribute__((section("__TEXT, initcode")));
void trapsignal(struct proc *p, int sig, unsigned code);
void pt_setrunnable(struct proc *p);
void siginit(struct proc *p) __attribute__((section("__TEXT, initcode")));
void trapsignal(struct proc *p, int sig, unsigned code);
void pt_setrunnable(struct proc *p);