Merge branch 'sys_mman_further_updates' into 'master'

sys_mman add further mmap/madvise flags.

See merge request redox-os/relibc!361

src/header/sys_mman/linux.rs

@@ -7,3 +7,11 @@ pub const PROT_NONE: c_int = 0x0000;
 
 pub const MAP_FIXED: c_int = 0x0010;
 pub const MAP_FIXED_NOREPLACE: c_int = 0x100000;
+pub const MAP_POPULATE: c_int = 0x008000;
+pub const MAP_HUGETLB: c_int = 0x40000;
+pub const MAP_NORESERVE: c_int = 0x4000;
+
+pub const MADV_HUGEPAGE: c_int = 14;
+pub const MADV_NOHUGEPAGE: c_int = 15;
+pub const MADV_DONTDUMP: c_int = 16;
+pub const MADV_DODUMP: c_int = 17;

src/header/sys_mman/mod.rs

@@ -25,6 +25,7 @@ pub const MAP_PRIVATE: c_int = 0x0002;
 pub const MAP_TYPE: c_int = 0x000F;
 pub const MAP_ANON: c_int = 0x0020;
 pub const MAP_ANONYMOUS: c_int = MAP_ANON;
+pub const MAP_STACK: c_int = 0x20000;
 
 pub const MS_ASYNC: c_int = 0x0001;
 pub const MS_INVALIDATE: c_int = 0x0002;

src/header/sys_mman/redox.rs

@@ -7,3 +7,8 @@ pub const PROT_READ: c_int = 0x0004;
 
 pub const MAP_FIXED: c_int = 0x0004;
 pub const MAP_FIXED_NOREPLACE: c_int = 0x000C;
+pub const MAP_POPULATE: c_int = 0x0001F;
+pub const MAP_HUGETLB: c_int = 0x2E;
+
+pub const MADV_DONTDUMP: c_int = 5;
+pub const MADV_DODUMP: c_int = 6;