Add fcntl OFD commands for macOS

.github/workflows/full_ci.yml

@@ -31,12 +31,12 @@ jobs:
       contents: read # to fetch code (actions/checkout)
 
     name: macOS
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       fail-fast: true
       matrix:
         target: [
-          x86_64-apple-darwin,
+          aarch64-apple-darwin,
         ]
     steps:
       - uses: actions/checkout@v4
@@ -218,10 +218,10 @@ jobs:
       max-parallel: 4
       matrix:
         target:
-          - { toolchain: stable, os: macos-13 }
-          - { toolchain: beta, os: macos-13 }
-          - { toolchain: nightly, os: macos-13 }
-          - { toolchain: 1.71.0, os: macos-13 }
+          - { toolchain: stable, os: macos-14 }
+          - { toolchain: beta, os: macos-14 }
+          - { toolchain: nightly, os: macos-14 }
+          - { toolchain: 1.71.0, os: macos-14 }
     runs-on: ${{ matrix.target.os }}
     steps:
       - uses: actions/checkout@v4

ci/build.sh

@@ -147,8 +147,6 @@ x86_64-unknown-redox \
 
 RUST_APPLE_TARGETS="\
 aarch64-apple-ios \
-x86_64-apple-darwin \
-x86_64-apple-ios \
 "
 
 RUST_NIGHTLY_APPLE_TARGETS="\

ci/install-rust.sh

@@ -13,12 +13,12 @@ fi
 if [ "$OS" = "windows" ]; then
   : "${TARGET?The TARGET environment variable must be set.}"
   rustup set profile minimal
-  rustup update --force $toolchain-"$TARGET"
-  rustup default $toolchain-"$TARGET"
+  rustup update --force "$toolchain-$TARGET"
+  rustup default "$toolchain-$TARGET"
 else
   rustup set profile minimal
-  rustup update --force $toolchain
-  rustup default $toolchain
+  rustup update --force "$toolchain"
+  rustup default "$toolchain"
 fi
 
 if [ -n "$TARGET" ]; then

libc-test/build.rs

@@ -179,6 +179,7 @@ fn test_apple(target: &str) {
     let mut cfg = ctest_cfg();
     cfg.flag("-Wno-deprecated-declarations");
     cfg.define("__APPLE_USE_RFC_3542", None);
+    cfg.define("PRIVATE", None);
 
     headers! { cfg:
         "aio.h",
@@ -203,6 +204,7 @@ fn test_apple(target: &str) {
         "limits.h",
         "locale.h",
         "malloc/malloc.h",
+        "mach-o/utils.h",
         "net/bpf.h",
         "net/dlil.h",
         "net/if.h",

libc-test/semver/apple.txt

@@ -256,10 +256,10 @@ COPYFILE_STATE_SRC_FD
 COPYFILE_STATE_SRC_FILENAME
 COPYFILE_STATE_STATUS_CB
 COPYFILE_STATE_STATUS_CTX
-COPYFILE_STATE_XATTRNAME
 COPYFILE_STATE_WAS_CLONED
-COPYFILE_VERBOSE
+COPYFILE_STATE_XATTRNAME
 COPYFILE_UNLINK
+COPYFILE_VERBOSE
 COPYFILE_XATTR
 CR0
 CR1
@@ -440,6 +440,9 @@ F_LOG2PHYS
 F_LOG2PHYS_EXT
 F_NOCACHE
 F_NODIRECT
+F_OFD_GETLK
+F_OFD_SETLK
+F_OFD_SETLKW
 F_PEOFPOSMODE
 F_PREALLOCATE
 F_PUNCHHOLE
@@ -1969,19 +1972,19 @@ posix_spawn_file_actions_t
 posix_spawnattr_destroy
 posix_spawnattr_get_qos_class_np
 posix_spawnattr_getarchpref_np
+posix_spawnattr_getbinpref_np
 posix_spawnattr_getflags
 posix_spawnattr_getpgroup
 posix_spawnattr_getsigdefault
 posix_spawnattr_getsigmask
 posix_spawnattr_init
 posix_spawnattr_set_qos_class_np
 posix_spawnattr_setarchpref_np
+posix_spawnattr_setbinpref_np
 posix_spawnattr_setflags
 posix_spawnattr_setpgroup
 posix_spawnattr_setsigdefault
 posix_spawnattr_setsigmask
-posix_spawnattr_getbinpref_np
-posix_spawnattr_setbinpref_np
 posix_spawnattr_t
 posix_spawnp
 preadv

src/fixed_width_ints.rs

@@ -20,7 +20,7 @@ pub type uint32_t = u32;
 pub type uint64_t = u64;
 
 cfg_if! {
-    if #[cfg(all(target_arch = "aarch64", not(target_os = "windows")))] {
+    if #[cfg(all(target_arch = "aarch64", not(any(target_os = "windows", target_os = "macos", target_os = "ios", target_os = "tvos", target_os = "watchos"))))] {
         // This introduces partial support for FFI with __int128 and
         // equivalent types on platforms where Rust's definition is validated
         // to match the standard C ABI of that platform.
@@ -92,5 +92,10 @@ cfg_if! {
 
         // static_assert_eq!(core::mem::size_of::<__uint128_t>(), _SIZE_128);
         // static_assert_eq!(core::mem::align_of::<__uint128_t>(), _ALIGN_128);
+    } else if #[cfg(all(target_arch = "aarch64", any(target_os = "macos", target_os = "ios", target_os = "tvos", target_os = "watchos")))] {
+        /// C __int128_t (alternate name for [__int128][])
+        pub type __int128_t = i128;
+        /// C __uint128_t (alternate name for [__uint128][])
+        pub type __uint128_t = u128;
     }
 }

src/unix/bsd/apple/mod.rs

@@ -491,8 +491,7 @@ s! {
         pub rmx_rtt: u32,
         pub rmx_rttvar: u32,
         pub rmx_pksent: u32,
-        pub rmx_state: u32,
-        pub rmx_filler: [u32; 3],
+        pub rmx_filler: [u32; 4],
     }
 
     pub struct rt_msghdr {
@@ -3413,6 +3412,10 @@ pub const F_GLOBAL_NOCACHE: ::c_int = 55;
 pub const F_NODIRECT: ::c_int = 62;
 pub const F_LOG2PHYS_EXT: ::c_int = 65;
 pub const F_BARRIERFSYNC: ::c_int = 85;
+// See https://github.com/apple/darwin-xnu/blob/main/bsd/sys/fcntl.h
+pub const F_OFD_SETLK: ::c_int = 90; /* Acquire or release open file description lock */
+pub const F_OFD_SETLKW: ::c_int = 91; /* (as F_OFD_SETLK but blocking if conflicting lock) */
+pub const F_OFD_GETLK: ::c_int = 92; /* Examine OFD lock */
 pub const F_PUNCHHOLE: ::c_int = 99;
 pub const F_TRIM_ACTIVE_FILE: ::c_int = 100;
 pub const F_SPECULATIVE_READ: ::c_int = 101;
@@ -6113,7 +6116,6 @@ extern "C" {
         out_processor_infoCnt: *mut mach_msg_type_number_t,
     ) -> ::kern_return_t;
 
-    pub static mut mach_task_self_: ::mach_port_t;
     pub fn task_for_pid(
         host: ::mach_port_t,
         pid: ::pid_t,
@@ -6230,10 +6232,6 @@ extern "C" {
     ) -> ::c_int;
 }
 
-pub unsafe fn mach_task_self() -> ::mach_port_t {
-    mach_task_self_
-}
-
 cfg_if! {
     if #[cfg(target_os = "macos")] {
         extern "C" {