Merge pull request #4091 from tgross35/backport-scallion

[0.2] Backports

libc-test/build.rs

@@ -2075,7 +2075,7 @@ fn test_android(target: &str) {
             "__system_property_wait" => true,
 
             // Added in API level 30, but tests use level 28.
-            "mlock2" => true,
+            "memfd_create" | "mlock2" | "renameat2" | "statx" | "statx_timestamp" => true,
 
             // Added in glibc 2.25.
             "getentropy" => true,

libc-test/semver/android.txt

@@ -3469,6 +3469,7 @@ memalign
 memchr
 memcmp
 memcpy
+memfd_create
 memmem
 memmove
 memrchr
@@ -3484,6 +3485,7 @@ mknodat
 mkstemp
 mktime
 mlock
+mlock2
 mlockall
 mmap
 mmap64
@@ -3672,6 +3674,7 @@ remove
 removexattr
 rename
 renameat
+renameat2
 res_init
 rewind
 rewinddir
@@ -3797,6 +3800,8 @@ statfs
 statfs64
 statvfs
 statvfs64
+statx
+statx_timestamp
 strcasecmp
 strcasestr
 strcat

libc-test/semver/unix.txt

@@ -453,6 +453,7 @@ accept
 access
 addrinfo
 alarm
+aligned_alloc
 atexit
 atof
 atoi

src/fuchsia/mod.rs

@@ -382,7 +382,7 @@ s! {
     }
 
     pub struct fd_set {
-        fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
+        fds_bits: [::c_ulong; FD_SETSIZE as usize / ULONG_SIZE],
     }
 
     pub struct tm {

src/lib.rs

@@ -46,6 +46,8 @@ cfg_if! {
 #[allow(unused_imports)]
 use core::clone::Clone;
 #[allow(unused_imports)]
+use core::ffi;
+#[allow(unused_imports)]
 use core::fmt;
 #[allow(unused_imports)]
 use core::hash;

src/macros.rs

@@ -98,7 +98,7 @@ macro_rules! s_paren {
     ($(
         $(#[$attr:meta])*
         pub struct $i:ident ( $($field:tt)* );
-    )* ) => ($(
+    )*) => ($(
         __item! {
             #[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
             #[derive(Copy, Clone)]

src/unix/aix/mod.rs

@@ -60,6 +60,7 @@ pub type posix_spawn_file_actions_t = *mut ::c_char;
 pub type iconv_t = *mut ::c_void;
 
 e! {
+    #[repr(u32)]
     pub enum uio_rw {
         UIO_READ = 0,
         UIO_WRITE,
@@ -573,7 +574,7 @@ cfg_if! {
         }
         impl Eq for __sigaction_sa_union {}
         impl ::fmt::Debug for __sigaction_sa_union {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("__sigaction_sa_union")
                     .field("__su_handler", unsafe { &self.__su_handler })
                     .field("__su_sigaction", unsafe { &self.__su_sigaction })
@@ -598,7 +599,7 @@ cfg_if! {
         }
         impl Eq for sigaction {}
         impl ::fmt::Debug for sigaction {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("sigaction")
                     .field("sa_union", &self.sa_union)
                     .field("sa_mask", &self.sa_mask)
@@ -625,7 +626,7 @@ cfg_if! {
         }
         impl Eq for __poll_ctl_ext_u {}
         impl ::fmt::Debug for __poll_ctl_ext_u {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("__poll_ctl_ext_u")
                     .field("addr", unsafe { &self.addr })
                     .field("data32", unsafe { &self.data32 })
@@ -655,7 +656,7 @@ cfg_if! {
         }
         impl Eq for poll_ctl_ext {}
         impl ::fmt::Debug for poll_ctl_ext {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("poll_ctl_ext")
                     .field("version", &self.version)
                     .field("command", &self.command)

src/unix/aix/powerpc64.rs

@@ -307,7 +307,7 @@ cfg_if! {
         }
         impl Eq for siginfo_t {}
         impl ::fmt::Debug for siginfo_t {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("siginfo_t")
                     .field("si_signo", &self.si_signo)
                     .field("si_errno", &self.si_errno)
@@ -347,7 +347,7 @@ cfg_if! {
         }
         impl Eq for _kernel_simple_lock {}
         impl ::fmt::Debug for _kernel_simple_lock {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("_kernel_simple_lock")
                     .field("_slock", unsafe { &self._slock })
                     .field("_slockp", unsafe { &self._slockp })
@@ -410,12 +410,12 @@ cfg_if! {
                     && self.f_fnamep == other.f_fnamep
                     && self.f_fdata == other.f_fdata
                     && self.f_lock == other.f_lock
-                    && self.f_offset_lock == other.f_offset_lock;
+                    && self.f_offset_lock == other.f_offset_lock
             }
         }
         impl Eq for file {}
         impl ::fmt::Debug for file {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("file")
                     .field("f_flag", &self.f_flag)
                     .field("f_count", &self.f_count)
@@ -466,7 +466,7 @@ cfg_if! {
         }
         impl Eq for __ld_info_file {}
         impl ::fmt::Debug for __ld_info_file {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("__ld_info_file")
                     .field("_ldinfo_fd", unsafe { &self._ldinfo_fd })
                     .field("_ldinfo_fp", unsafe { &self._ldinfo_fp })
@@ -498,7 +498,7 @@ cfg_if! {
         }
         impl Eq for ld_info {}
         impl ::fmt::Debug for ld_info {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("ld_info")
                     .field("ldinfo_next", &self.ldinfo_next)
                     .field("ldinfo_flags", &self.ldinfo_flags)
@@ -535,7 +535,7 @@ cfg_if! {
         }
         impl Eq for __pollfd_ext_u {}
         impl ::fmt::Debug for __pollfd_ext_u {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("__pollfd_ext_u")
                     .field("addr", unsafe { &self.addr })
                     .field("data32", unsafe { &self.data32 })
@@ -563,7 +563,7 @@ cfg_if! {
         }
         impl Eq for pollfd_ext {}
         impl ::fmt::Debug for pollfd_ext {
-            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter<'_>) -> ::fmt::Result {
                 f.debug_struct("pollfd_ext")
                     .field("fd", &self.fd)
                     .field("events", &self.events)

src/unix/bsd/apple/mod.rs

@@ -1595,7 +1595,7 @@ s_no_extra_traits! {
         _os_unfair_lock_opaque: u32,
     }
 
-   #[repr(packed(1))]
+    #[repr(packed(1))]
     pub struct sockaddr_vm {
         pub svm_len: ::c_uchar,
         pub svm_family: ::sa_family_t,
@@ -1722,8 +1722,7 @@ cfg_if! {
         }
         impl Eq for semun {}
         impl ::fmt::Debug for semun {
-            fn fmt(&self, f: &mut ::fmt::Formatter)
-                   -> ::fmt::Result {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
                 f.debug_struct("semun")
                     .field("val", unsafe { &self.val })
                     .finish()
@@ -1775,7 +1774,6 @@ cfg_if! {
                     && self.udata == other.udata
             }
         }
-
         impl Eq for kevent {}
         impl ::fmt::Debug for kevent {
             fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {

src/unix/bsd/mod.rs

@@ -60,10 +60,10 @@ s! {
     pub struct fd_set {
         #[cfg(all(target_pointer_width = "64",
                   any(target_os = "freebsd", target_os = "dragonfly")))]
-        fds_bits: [i64; FD_SETSIZE / 64],
+        fds_bits: [i64; FD_SETSIZE as usize / 64],
         #[cfg(not(all(target_pointer_width = "64",
                       any(target_os = "freebsd", target_os = "dragonfly"))))]
-        fds_bits: [i32; FD_SETSIZE / 32],
+        fds_bits: [i32; FD_SETSIZE as usize / 32],
     }
 
     pub struct tm {
@@ -129,7 +129,7 @@ s_no_extra_traits! {
     pub struct sockaddr_un {
         pub sun_len: u8,
         pub sun_family: sa_family_t,
-        pub sun_path: [c_char; 104]
+        pub sun_path: [::c_char; 104]
     }
 
     pub struct utsname {

src/unix/bsd/netbsdlike/netbsd/aarch64.rs

@@ -81,6 +81,7 @@ cfg_if! {
 }
 
 pub(crate) const _ALIGNBYTES: usize = ::mem::size_of::<::c_int>() - 1;
+
 pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 0;
 pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 1;
 pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 2;

src/unix/linux_like/android/b32/mod.rs

@@ -9,6 +9,7 @@ pub type sigset_t = ::c_ulong;
 pub type socklen_t = i32;
 pub type time64_t = i64;
 pub type __u64 = ::c_ulonglong;
+pub type __s64 = ::c_longlong;
 
 s! {
     pub struct sigaction {

src/unix/linux_like/android/b64/aarch64/mod.rs

@@ -1,6 +1,7 @@
 pub type c_char = u8;
 pub type wchar_t = u32;
 pub type __u64 = ::c_ulonglong;
+pub type __s64 = ::c_longlong;
 
 s! {
     pub struct stat {

src/unix/linux_like/android/b64/riscv64/mod.rs

@@ -2,6 +2,7 @@ pub type c_char = i8;
 pub type wchar_t = u32;
 pub type greg_t = i64;
 pub type __u64 = ::c_ulonglong;
+pub type __s64 = ::c_longlong;
 
 s! {
     pub struct stat {

src/unix/linux_like/android/b64/x86_64/mod.rs

@@ -2,6 +2,7 @@ pub type c_char = i8;
 pub type wchar_t = i32;
 pub type greg_t = i64;
 pub type __u64 = ::c_ulonglong;
+pub type __s64 = ::c_longlong;
 
 s! {
     pub struct stat {

src/unix/linux_like/android/mod.rs

@@ -514,8 +514,40 @@ s! {
        pub ifr6_addr: ::in6_addr,
        pub ifr6_prefixlen: u32,
        pub ifr6_ifindex: ::c_int,
-   }
+    }
+
+    pub struct statx {
+        pub stx_mask: ::__u32,
+        pub stx_blksize: ::__u32,
+        pub stx_attributes: ::__u64,
+        pub stx_nlink: ::__u32,
+        pub stx_uid: ::__u32,
+        pub stx_gid: ::__u32,
+        pub stx_mode: ::__u16,
+        __statx_pad1: [::__u16; 1],
+        pub stx_ino: ::__u64,
+        pub stx_size: ::__u64,
+        pub stx_blocks: ::__u64,
+        pub stx_attributes_mask: ::__u64,
+        pub stx_atime: ::statx_timestamp,
+        pub stx_btime: ::statx_timestamp,
+        pub stx_ctime: ::statx_timestamp,
+        pub stx_mtime: ::statx_timestamp,
+        pub stx_rdev_major: ::__u32,
+        pub stx_rdev_minor: ::__u32,
+        pub stx_dev_major: ::__u32,
+        pub stx_dev_minor: ::__u32,
+        pub stx_mnt_id: ::__u64,
+        pub stx_dio_mem_align: ::__u32,
+        pub stx_dio_offset_align: ::__u32,
+        __statx_pad3: [::__u64; 12],
+    }
 
+    pub struct statx_timestamp {
+        pub tv_sec: ::__s64,
+        pub tv_nsec: ::__u32,
+        pub __reserved: ::__s32,
+    }
 }
 
 s_no_extra_traits! {
@@ -4169,6 +4201,22 @@ extern "C" {
     pub fn fgets_unlocked(buf: *mut ::c_char, size: ::c_int, stream: *mut ::FILE) -> *mut ::c_char;
 
     pub fn klogctl(syslog_type: ::c_int, bufp: *mut ::c_char, len: ::c_int) -> ::c_int;
+
+    pub fn memfd_create(name: *const ::c_char, flags: ::c_uint) -> ::c_int;
+    pub fn renameat2(
+        olddirfd: ::c_int,
+        oldpath: *const ::c_char,
+        newdirfd: ::c_int,
+        newpath: *const ::c_char,
+        flags: ::c_uint,
+    ) -> ::c_int;
+    pub fn statx(
+        dirfd: ::c_int,
+        pathname: *const c_char,
+        flags: ::c_int,
+        mask: ::c_uint,
+        statxbuf: *mut statx,
+    ) -> ::c_int;
 }
 
 cfg_if! {

src/unix/linux_like/mod.rs

@@ -85,7 +85,7 @@ s! {
     }
 
     pub struct fd_set {
-        fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
+        fds_bits: [::c_ulong; FD_SETSIZE as usize / ULONG_SIZE],
     }
 
     pub struct tm {

src/unix/mod.rs

@@ -940,6 +940,7 @@ extern "C" {
     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
     pub fn posix_memalign(memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t) -> ::c_int;
+    pub fn aligned_alloc(alignment: ::size_t, size: ::size_t) -> *mut ::c_void;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
         link_name = "read$UNIX2003"

src/unix/newlib/mod.rs

@@ -183,7 +183,7 @@ s! {
     }
 
     pub struct fd_set { // Unverified
-        fds_bits: [::c_ulong; FD_SETSIZE / ULONG_SIZE],
+        fds_bits: [::c_ulong; FD_SETSIZE as usize / ULONG_SIZE],
     }
 
     pub struct passwd { // Unverified

src/unix/nto/mod.rs

@@ -154,7 +154,7 @@ s! {
     }
 
     pub struct fd_set {
-        fds_bits: [::c_uint; 2 * FD_SETSIZE / ULONG_SIZE],
+        fds_bits: [::c_uint; 2 * FD_SETSIZE as usize / ULONG_SIZE],
     }
 
     pub struct tm {

src/unix/redox/mod.rs

@@ -116,7 +116,7 @@ s! {
     }
 
     pub struct fd_set {
-        fds_bits: [::c_ulong; ::FD_SETSIZE / ULONG_SIZE],
+        fds_bits: [::c_ulong; ::FD_SETSIZE as usize / ULONG_SIZE],
     }
 
     pub struct in_addr {

src/unix/solarish/mod.rs

@@ -513,9 +513,9 @@ s_no_extra_traits! {
 
     pub struct fd_set {
         #[cfg(target_pointer_width = "64")]
-        fds_bits: [i64; FD_SETSIZE / 64],
+        fds_bits: [i64; FD_SETSIZE as usize / 64],
         #[cfg(target_pointer_width = "32")]
-        fds_bits: [i32; FD_SETSIZE / 32],
+        fds_bits: [i32; FD_SETSIZE as usize / 32],
     }
 
     pub struct sockaddr_storage {