Add statx on Linux

Closes #1178.

Author: gnzlbg

src/unix/notbsd/linux/other/b32/arm.rs

@@ -607,3 +607,4 @@ pub const SYS_pwritev2: ::c_long = 393;
 pub const SYS_pkey_mprotect: ::c_long = 394;
 pub const SYS_pkey_alloc: ::c_long = 395;
 pub const SYS_pkey_free: ::c_long = 396;
+pub const SYS_statx: ::c_long = 397;

src/unix/notbsd/linux/other/b32/powerpc.rs

@@ -612,3 +612,4 @@ pub const SYS_copy_file_range: ::c_long = 379;
 pub const SYS_preadv2: ::c_long = 380;
 pub const SYS_pwritev2: ::c_long = 381;
 pub const SYS_kexec_file_load: ::c_long = 382;
+pub const SYS_statx: ::c_long = 383;

src/unix/notbsd/linux/other/b32/x86.rs

@@ -840,6 +840,7 @@ pub const SYS_pwritev2: ::c_long = 379;
 pub const SYS_pkey_mprotect: ::c_long = 380;
 pub const SYS_pkey_alloc: ::c_long = 381;
 pub const SYS_pkey_free: ::c_long = 382;
+pub const SYS_statx: ::c_long = 383;
 
 // offsets in user_regs_structs, from sys/reg.h
 pub const EBX: ::c_int = 0;

src/unix/notbsd/linux/other/b64/not_x32.rs

@@ -408,6 +408,7 @@ pub const SYS_pwritev2: ::c_long = 328;
 pub const SYS_pkey_mprotect: ::c_long = 329;
 pub const SYS_pkey_alloc: ::c_long = 330;
 pub const SYS_pkey_free: ::c_long = 331;
+pub const SYS_statx: ::c_long = 332;
 
 #[link(name = "util")]
 extern {

src/unix/notbsd/linux/other/b64/powerpc64.rs

@@ -921,6 +921,7 @@ pub const SYS_copy_file_range: ::c_long = 379;
 pub const SYS_preadv2: ::c_long = 380;
 pub const SYS_pwritev2: ::c_long = 381;
 pub const SYS_kexec_file_load: ::c_long = 382;
+pub const SYS_statx: ::c_long = 383;
 
 #[link(name = "util")]
 extern {

src/unix/notbsd/linux/other/b64/sparc64.rs

@@ -855,6 +855,7 @@ pub const SYS_mlock2: ::c_long = 356;
 pub const SYS_copy_file_range: ::c_long = 357;
 pub const SYS_preadv2: ::c_long = 358;
 pub const SYS_pwritev2: ::c_long = 359;
+pub const SYS_statx: ::c_long = 360;
 
 #[link(name = "util")]
 extern {

src/unix/notbsd/linux/other/b64/x32.rs

@@ -336,6 +336,7 @@ pub const SYS_copy_file_range: ::c_long = __X32_SYSCALL_BIT + 326;
 pub const SYS_pkey_mprotect: ::c_long = __X32_SYSCALL_BIT + 329;
 pub const SYS_pkey_alloc: ::c_long = __X32_SYSCALL_BIT + 330;
 pub const SYS_pkey_free: ::c_long = __X32_SYSCALL_BIT + 331;
+pub const SYS_statx: ::c_long = __X32_SYSCALL_BIT + 332;
 pub const SYS_rt_sigaction: ::c_long = __X32_SYSCALL_BIT + 512;
 pub const SYS_rt_sigreturn: ::c_long = __X32_SYSCALL_BIT + 513;
 pub const SYS_ioctl: ::c_long = __X32_SYSCALL_BIT + 514;

src/unix/notbsd/linux/other/mod.rs

@@ -3,6 +3,36 @@ pub type __priority_which_t = ::c_uint;
 pub type __rlimit_resource_t = ::c_uint;
 
 s! {
+    pub struct statx {
+        pub stx_mask: ::uint32_t,
+        pub stx_blksize: ::uint32_t,
+        pub stx_attributes: ::uint64_t,
+        pub stx_nlink: ::uint32_t,
+        pub stx_uid: ::uint32_t,
+        pub stx_gid: ::uint32_t,
+        pub stx_mode: ::uint16_t,
+        pub __statx_pad1: [::uint16_t; 1],
+        pub stx_ino: ::uint64_t,
+        pub stx_size: ::uint64_t,
+        pub stx_blocks: ::uint64_t,
+        pub stx_attributes_mask: ::uint64_t,
+        pub stx_atime: ::statx_timestamp,
+        pub stx_btime: ::statx_timestamp,
+        pub stx_ctime: ::statx_timestamp,
+        pub stx_mtime: ::statx_timestamp,
+        pub stx_rdev_major: ::uint32_t,
+        pub stx_rdev_minor: ::uint32_t,
+        pub stx_dev_major: ::uint32_t,
+        pub stx_dev_minor: ::uint32_t,
+        pub __statx_pad2: [::uint64_t; 14],
+    }
+
+    pub struct statx_timestamp {
+        pub tv_sec: ::int64_t,
+        pub tv_nsec: ::uint32_t,
+        pub __statx_timestamp_pad1: [::int32_t; 1],
+    }
+
     pub struct aiocb {
         pub aio_fildes: ::c_int,
         pub aio_lio_opcode: ::c_int,
@@ -931,6 +961,32 @@ pub const AF_MAX: ::c_int = 45;
 #[doc(hidden)]
 pub const PF_MAX: ::c_int = AF_MAX;
 
+pub const AT_STATX_SYNC_TYPE: ::c_int = 0x6000;
+pub const AT_STATX_SYNC_AS_STAT: ::c_int = 0x0000;
+pub const AT_STATX_FORCE_SYNC: ::c_int = 0x2000;
+pub const AT_STATX_DONT_SYNC: ::c_int = 0x4000;
+pub const STATX_TYPE: ::c_uint = 0x0001;
+pub const STATX_MODE: ::c_uint = 0x0002;
+pub const STATX_NLINK: ::c_uint = 0x0004;
+pub const STATX_UID: ::c_uint = 0x0008;
+pub const STATX_GID: ::c_uint = 0x0010;
+pub const STATX_ATIME: ::c_uint = 0x0020;
+pub const STATX_MTIME: ::c_uint = 0x0040;
+pub const STATX_CTIME: ::c_uint = 0x0080;
+pub const STATX_INO: ::c_uint = 0x0100;
+pub const STATX_SIZE: ::c_uint = 0x0200;
+pub const STATX_BLOCKS: ::c_uint = 0x0400;
+pub const STATX_BASIC_STATS: ::c_uint = 0x07ff;
+pub const STATX_BTIME: ::c_uint = 0x0800;
+pub const STATX_ALL: ::c_uint = 0x0fff;
+pub const STATX__RESERVED: ::c_int = 0x80000000;
+pub const STATX_ATTR_COMPRESSED: ::c_int = 0x0004;
+pub const STATX_ATTR_IMMUTABLE: ::c_int = 0x0010;
+pub const STATX_ATTR_APPEND: ::c_int = 0x0020;
+pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
+pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
+pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
+
 cfg_if! {
     if #[cfg(any(target_arch = "arm", target_arch = "x86",
                  target_arch = "x86_64"))] {
@@ -981,6 +1037,8 @@ extern {
     pub fn mallopt(param: ::c_int, value: ::c_int) -> ::c_int;
     pub fn gettimeofday(tp: *mut ::timeval,
                         tz: *mut ::timezone) -> ::c_int;
+    pub fn statx(dirfd: ::c_int, pathname: *const c_char, flags: ::c_int,
+                 mask: ::c_uint, statxbuf: *mut statx) -> ::c_int;
 }
 
 #[link(name = "util")]