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Add GRND_INSECURE from Linux 5.6 to sys/random.h

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This patch adds the GRND_INSECURE constant from Linux 5.6 to glibc's
sys/random.h.  This is also added to the documentation.  The constant
acts as a no-op for the Hurd implementation (as that doesn't check
whether the flags are known), which is semantically fine, while older
Linux kernels reject unknown flags with an EINVAL error.

Tested for x86_64.
This commit is contained in:
Joseph Myers
2020-04-09 21:21:16 +00:00
parent b56875d5e0
commit 319d2a7b60
2 changed files with 4 additions and 0 deletions
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1
stdlib/sys/random.h
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@@ -25,6 +25,7 @@
/* Flags for use with getrandom. */
#define GRND_NONBLOCK 0x01
#define GRND_RANDOM 0x02
#define GRND_INSECURE 0x04
__BEGIN_DECLS