1 #ifndef _SYS_RANDOM_H
2 #define _SYS_RANDOM_H
3 #ifdef __cplusplus
4 extern "C" {
5 #endif
6 
7 #ifdef __wasilibc_unmodified_upstream /* WASI has no getrandom, but it does have getentropy */
8 #define __NEED_size_t
9 #define __NEED_ssize_t
10 #include <bits/alltypes.h>
11 
12 #define GRND_NONBLOCK	0x0001
13 #define GRND_RANDOM	0x0002
14 #define GRND_INSECURE	0x0004
15 
16 ssize_t getrandom(void *, size_t, unsigned);
17 #else
18 #define __NEED_size_t
19 #include <bits/alltypes.h>
20 
21 int getentropy(void *, size_t);
22 #endif
23 
24 #ifdef __cplusplus
25 }
26 #endif
27 #endif
28