Merge pull request #4447 from mnissler-rivos/linux_riscv64_musl_madv_soft_offline

Add MADV_SOFT_OFFLINE definition for RISC-V musl targets

Author: tgross35

libc-test/semver/linux-riscv64gc.txt

@@ -24,6 +24,7 @@ KEYCTL_CAPS0_RESTRICT_KEYRING
 KEYCTL_CAPS1_NS_KEYRING_NAME
 KEYCTL_CAPS1_NS_KEY_TAG
 KEYCTL_MOVE
+MADV_SOFT_OFFLINE
 MAP_SYNC
 NFT_MSG_DELOBJ
 NFT_MSG_GETOBJ

src/unix/linux_like/linux/musl/b32/riscv32/mod.rs

@@ -246,6 +246,7 @@ pub const O_DIRECT: c_int = 16384;
 pub const O_DIRECTORY: c_int = 65536;
 pub const O_LARGEFILE: c_int = 0o0100000;
 pub const O_NOFOLLOW: c_int = 131072;
+pub const MADV_SOFT_OFFLINE: c_int = 101;
 pub const MAP_HUGETLB: c_int = 262144;
 pub const MAP_LOCKED: c_int = 8192;
 pub const MAP_NORESERVE: c_int = 16384;

src/unix/linux_like/linux/musl/b64/riscv64/mod.rs

@@ -572,6 +572,7 @@ pub const POLLWRBAND: c_short = 0x200;
 pub const SOCK_STREAM: c_int = 1;
 pub const SOCK_DGRAM: c_int = 2;
 
+pub const MADV_SOFT_OFFLINE: c_int = 101;
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_GROWSDOWN: c_int = 0x0100;
 pub const MAP_DENYWRITE: c_int = 0x0800;