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39 lines
550 B
C
39 lines
550 B
C
#include <lib9.h>
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extern int __isthreaded;
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int
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ffork(int flags, void(*fn)(void*), void *arg)
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{
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void *p;
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__isthreaded = 1;
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p = malloc(16384);
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if(p == nil)
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return -1;
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memset(p, 0xFE, 16384);
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return rfork_thread(RFPROC|flags, (char*)p+16000, (int(*)(void*))fn, arg);
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}
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/*
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* For FreeBSD libc.
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*/
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typedef struct {
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volatile long access_lock;
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volatile long lock_owner;
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volatile char *fname;
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volatile int lineno;
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} spinlock_t;
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void
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_spinlock(spinlock_t *lk)
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{
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lock((Lock*)&lk->access_lock);
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}
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int
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getfforkid(void)
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{
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return getpid();
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}
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