adding few more CLONE_* constant for Linux/Android.

closes #3033.

Author: devnexen

libc-test/build.rs

@@ -3789,6 +3789,7 @@ fn test_linux(target: &str) {
             | "MADV_POPULATE_READ"
             | "MADV_POPULATE_WRITE"
             if musl => true,
+            "CLONE_NEWTIME" | "CLONE_CLEAR_SIGHAND" | "CLONE_INTO_CGROUP" => true,
 
             // FIXME: Requires more recent kernel headers
             | "IFLA_PARENT_DEV_NAME"     // linux v5.13+

libc-test/semver/linux-gnu.txt

@@ -31,6 +31,8 @@ BPF_FS_MAGIC
 BTRFS_SUPER_MAGIC
 CGROUP2_SUPER_MAGIC
 CGROUP_SUPER_MAGIC
+CLONE_CLEAR_SIGHAND
+CLONE_INTO_CGROUP
 CODA_SUPER_MAGIC
 CRAMFS_MAGIC
 DEAD_PROCESS

src/unix/linux_like/linux/gnu/mod.rs

@@ -1109,6 +1109,9 @@ pub const REG_STARTEND: ::c_int = 4;
 pub const REG_EEND: ::c_int = 14;
 pub const REG_ESIZE: ::c_int = 15;
 pub const REG_ERPAREN: ::c_int = 16;
+pub const CLONE_NEWTIME: ::c_int = 0x80;
+pub const CLONE_CLEAR_SIGHAND: ::c_longlong = 0x100000000;
+pub const CLONE_INTO_CGROUP: ::c_longlong = 0x200000000;
 
 extern "C" {
     pub fn fgetspent_r(