From 552d13168671333e3a93604ead10c79014af73f7 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 8 Apr 2022 23:55:31 +0200
Subject: [PATCH] linux: add GRND_INSECURE constant
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This is available on kernels ≥5.6 and was added to glibc in 2.32.
---
 libc-test/build.rs                 | 6 ++++++
 libc-test/semver/android.txt       | 1 +
 libc-test/semver/linux.txt         | 1 +
 src/unix/linux_like/android/mod.rs | 1 +
 src/unix/linux_like/linux/mod.rs   | 1 +
 5 files changed, 10 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 27497fa718957..7e98df2dbc098 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -1728,6 +1728,9 @@ fn test_android(target: &str) {
             // linux 5.12 min
             "MPOL_F_NUMA_BALANCING" => true,
 
+            // GRND_INSECURE was added in platform-tools-30.0.0
+            "GRND_INSECURE" => true,
+
             _ => false,
         }
     });
@@ -3317,6 +3320,9 @@ fn test_linux(target: &str) {
             // linux 5.17 min
             "PR_SET_VMA" | "PR_SET_VMA_ANON_NAME" => true,
 
+            // GRND_INSECURE was added in glibc-2.32
+            "GRND_INSECURE" => true,
+
             _ => false,
         }
     });
diff --git a/libc-test/semver/android.txt b/libc-test/semver/android.txt
index a68ff86d7e38a..b439e09ddaac3 100644
--- a/libc-test/semver/android.txt
+++ b/libc-test/semver/android.txt
@@ -661,6 +661,7 @@ GENL_NAMSIZ
 GENL_UNS_ADMIN_PERM
 GRND_NONBLOCK
 GRND_RANDOM
+GRND_INSECURE
 GRPQUOTA
 HPFS_SUPER_MAGIC
 HUGETLBFS_MAGIC
diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index 9eb096efe89aa..62537122da82f 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -649,6 +649,7 @@ GLOB_NOSORT
 GLOB_NOSPACE
 GRND_NONBLOCK
 GRND_RANDOM
+GRND_INSECURE
 IBSHIFT
 IFA_ADDRESS
 IFA_ANYCAST
diff --git a/src/unix/linux_like/android/mod.rs b/src/unix/linux_like/android/mod.rs
index 13d85b3f44540..5aaf48deaac6d 100644
--- a/src/unix/linux_like/android/mod.rs
+++ b/src/unix/linux_like/android/mod.rs
@@ -1792,6 +1792,7 @@ pub const NETLINK_GET_STRICT_CHK: ::c_int = 12;
 
 pub const GRND_NONBLOCK: ::c_uint = 0x0001;
 pub const GRND_RANDOM: ::c_uint = 0x0002;
+pub const GRND_INSECURE: ::c_uint = 0x0004;
 
 pub const SECCOMP_MODE_DISABLED: ::c_uint = 0;
 pub const SECCOMP_MODE_STRICT: ::c_uint = 1;
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 64d293e2c8567..aa30bb2bc5b13 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -1781,6 +1781,7 @@ pub const PR_SET_VMA_ANON_NAME: ::c_int = 0;
 
 pub const GRND_NONBLOCK: ::c_uint = 0x0001;
 pub const GRND_RANDOM: ::c_uint = 0x0002;
+pub const GRND_INSECURE: ::c_uint = 0x0004;
 
 pub const SECCOMP_MODE_DISABLED: ::c_uint = 0;
 pub const SECCOMP_MODE_STRICT: ::c_uint = 1;