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author | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
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committer | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
commit | 0c31d97afd7858af5f8f858c8addf91655ca9ccc (patch) | |
tree | 4d8a246db168f7beaafcd06d486c034115c2123d /contrib/libs/linux-headers/linux/random.h | |
parent | d1d5f5e00df0dd6efc00880dd8283477fc643aaf (diff) | |
download | ydb-0c31d97afd7858af5f8f858c8addf91655ca9ccc.tar.gz |
Sync linux-headers instead of using system ones
Diffstat (limited to 'contrib/libs/linux-headers/linux/random.h')
-rw-r--r-- | contrib/libs/linux-headers/linux/random.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/linux/random.h b/contrib/libs/linux-headers/linux/random.h new file mode 100644 index 00000000000..b3f39c3595b --- /dev/null +++ b/contrib/libs/linux-headers/linux/random.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * include/linux/random.h + * + * Include file for the random number generator. + */ + +#ifndef _LINUX_RANDOM_H +#define _LINUX_RANDOM_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <linux/irqnr.h> + +/* ioctl()'s for the random number generator */ + +/* Get the entropy count. */ +#define RNDGETENTCNT _IOR( 'R', 0x00, int ) + +/* Add to (or subtract from) the entropy count. (Superuser only.) */ +#define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) + +/* Get the contents of the entropy pool. (Superuser only.) */ +#define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) + +/* + * Write bytes into the entropy pool and add to the entropy count. + * (Superuser only.) + */ +#define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) + +/* Clear entropy count to 0. (Superuser only.) */ +#define RNDZAPENTCNT _IO( 'R', 0x04 ) + +/* Clear the entropy pool and associated counters. (Superuser only.) */ +#define RNDCLEARPOOL _IO( 'R', 0x06 ) + +/* Reseed CRNG. (Superuser only.) */ +#define RNDRESEEDCRNG _IO( 'R', 0x07 ) + +struct rand_pool_info { + int entropy_count; + int buf_size; + __u32 buf[0]; +}; + +/* + * Flags for getrandom(2) + * + * GRND_NONBLOCK Don't block and return EAGAIN instead + * GRND_RANDOM No effect + * GRND_INSECURE Return non-cryptographic random bytes + */ +#define GRND_NONBLOCK 0x0001 +#define GRND_RANDOM 0x0002 +#define GRND_INSECURE 0x0004 + +#endif /* _LINUX_RANDOM_H */ |