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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_RANDOM_H_INCLUDED_
#define _NXT_RANDOM_H_INCLUDED_
#if (NXT_HAVE_ARC4RANDOM)
/*
* arc4random() has been introduced in OpenBSD 2.1 and then was ported
* to FreeBSD 2.2.6, NetBSD 2.0, MacOSX and SmartOS.
*
* arc4random() automatically initializes itself in the first call and
* then reinitializes itself in the first call in every forked processes.
*/
typedef void *nxt_random_t;
#define nxt_random_init(r)
#define nxt_random(r) arc4random()
#else
typedef struct {
uint8_t i;
uint8_t j;
uint8_t s[256];
int32_t count;
} nxt_random_t;
void nxt_random_init(nxt_random_t *r);
uint32_t nxt_random(nxt_random_t *r);
#if (NXT_LIB_UNIT_TEST)
nxt_int_t nxt_random_unit_test(nxt_thread_t *thr);
#endif
#endif
#endif /* _NXT_RANDOM_H_INCLUDED_ */
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