From 16527634cc9b0092e15d1a1b2a9cf1796817a950 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Marie?= <semarie@users.noreply.github.com>
Date: Mon, 19 Mar 2018 06:02:50 +0100
Subject: [PATCH] Add MAP_STACK constant to OpenBSD
The mmap(2) flag indicate that the mapping is used as a stack.
https://man.openbsd.org/mmap.2#MAP_STACK
https://marc.info/?l=openbsd-tech&m=152035796722258&w=2
---
libc-test/build.rs | 5 ++++-
src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs | 2 ++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/libc-test/build.rs b/libc-test/build.rs
index a96bcfd4..0f4efdca 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -526,9 +526,12 @@ fn main() {
"KERN_USERMOUNT" |
"KERN_ARND" if openbsd => true,
- // These constats were added in OpenBSD 6.2
+ // These constants were added in OpenBSD 6.2
"EV_RECEIPT" | "EV_DISPATCH" if openbsd => true,
+ // These constants were added in OpenBSD 6.3
+ "MAP_STACK" if openbsd => true,
+
// These are either unimplemented or optionally built into uClibc
"LC_CTYPE_MASK" | "LC_NUMERIC_MASK" | "LC_TIME_MASK" | "LC_COLLATE_MASK" | "LC_MONETARY_MASK" | "LC_MESSAGES_MASK" |
"MADV_MERGEABLE" | "MADV_UNMERGEABLE" | "MADV_HWPOISON" | "IPV6_ADD_MEMBERSHIP" | "IPV6_DROP_MEMBERSHIP" | "IPV6_MULTICAST_LOOP" | "IPV6_V6ONLY" |
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
index 0761a188..ede9d85b 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
@@ -27,6 +27,8 @@ s! {
}
}
+pub const MAP_STACK : ::c_int = 0x4000;
+
// https://github.com/openbsd/src/blob/master/sys/net/if.h#L187
pub const IFF_UP: ::c_int = 0x1; // interface is up
pub const IFF_BROADCAST: ::c_int = 0x2; // broadcast address valid
--
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