pub const PT_LOPROC: u32 = 0x70000000;
pub const PT_HIPROC: u32 = 0x7fffffff;
+// uapi/linux/mount.h
+pub const OPEN_TREE_CLONE: ::c_uint = 0x01;
+pub const OPEN_TREE_CLOEXEC: ::c_uint = O_CLOEXEC as ::c_uint;
+
// linux/netfilter.h
pub const NF_DROP: ::c_int = 0;
pub const NF_ACCEPT: ::c_int = 1;
pub const CLONE_PIDFD: ::c_int = 0x1000;
+// linux/membarrier.h
+pub const MEMBARRIER_CMD_QUERY: ::c_int = 0;
+pub const MEMBARRIER_CMD_GLOBAL: ::c_int = 1 << 0;
+pub const MEMBARRIER_CMD_GLOBAL_EXPEDITED: ::c_int = 1 << 1;
+pub const MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED: ::c_int = 1 << 2;
+pub const MEMBARRIER_CMD_PRIVATE_EXPEDITED: ::c_int = 1 << 3;
+pub const MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED: ::c_int = 1 << 4;
+pub const MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE: ::c_int = 1 << 5;
+pub const MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE: ::c_int = 1 << 6;
+pub const MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ: ::c_int = 1 << 7;
+pub const MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ: ::c_int = 1 << 8;
+
// linux/mempolicy.h
pub const MPOL_DEFAULT: ::c_int = 0;
pub const MPOL_PREFERRED: ::c_int = 1;
longopts: *const option,
longindex: *mut ::c_int,
) -> ::c_int;
+
+ pub fn syncfs(fd: ::c_int) -> ::c_int;
}
cfg_if! {