1 #include <lib9.h>
2 
3 extern int __isthreaded;
4 int
5 ffork(int flags, void(*fn)(void*), void *arg)
6 {
7 	void *p;
8 
9 	__isthreaded = 1;
10 	p = malloc(16384);
11 	if(p == nil)
12 		return -1;
13 	memset(p, 0xFE, 16384);
14 	return rfork_thread(RFPROC|flags, (char*)p+16000, (int(*)(void*))fn, arg);
15 }
16 
17 /*
18  * For FreeBSD libc.
19  */
20 
21 typedef struct {
22 	volatile long	access_lock;
23 	volatile long	lock_owner;
24 	volatile char	*fname;
25 	volatile int	lineno;
26 } spinlock_t;
27 
28 void
29 _spinlock(spinlock_t *lk)
30 {
31 	lock((Lock*)&lk->access_lock);
32 }
33 
34 int
35 getfforkid(void)
36 {
37 	return getpid();
38 }
39