Merge pull request #3563 from anacrolix/macos-ofd-fcntl

Add fcntl OFD commands for macOS

Author: tgross35

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
@@ -441,6 +441,9 @@ F_LOG2PHYS
 F_LOG2PHYS_EXT
 F_NOCACHE
 F_NODIRECT
+F_OFD_GETLK
+F_OFD_SETLK
+F_OFD_SETLKW
 F_PEOFPOSMODE
 F_PREALLOCATE
 F_PUNCHHOLE
@@ -1979,19 +1982,19 @@ 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/unix/bsd/apple/mod.rs

@@ -3592,6 +3592,10 @@ 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;