Update libc crate to 0.2.55

This change updates the libc crate to version 0.2.55.

Import subrepo libc/:libc at caf17a0641d29dc624621177f5756804dd180c13

5 files changed, 41 insertions, 32 deletions

diff --git a/libc/src/unix/notbsd/linux/mips/align.rs b/libc/src/unix/notbsd/linux/mips/align.rs
new file mode 100644
index 0000000..4a0e074
--- /dev/null
+++ b/libc/src/unix/notbsd/linux/mips/align.rs
@@ -0,0 +1,13 @@
+s! {
+    // FIXME this is actually a union
+    #[cfg_attr(target_pointer_width = "32",
+               repr(align(4)))]
+    #[cfg_attr(target_pointer_width = "64",
+               repr(align(8)))]
+    pub struct sem_t {
+        #[cfg(target_pointer_width = "32")]
+        __size: [::c_char; 16],
+        #[cfg(target_pointer_width = "64")]
+        __size: [::c_char; 32],
+    }
+}
diff --git a/libc/src/unix/notbsd/linux/mips/mips32.rs b/libc/src/unix/notbsd/linux/mips/mips32.rs
index a6c08a5..d9d5589 100644
--- a/libc/src/unix/notbsd/linux/mips/mips32.rs
+++ b/libc/src/unix/notbsd/linux/mips/mips32.rs
@@ -133,7 +133,7 @@ s! {
         pub sa_flags: ::c_int,
         pub sa_sigaction: ::sighandler_t,
         pub sa_mask: sigset_t,
-        pub sa_restorer: ::dox::Option<extern fn()>,
+        pub sa_restorer: ::Option<extern fn()>,
         _resv: [::c_int; 1],
     }
 
@@ -353,7 +353,6 @@ pub const SYS_mknod: ::c_long = 4000 +  14;
 pub const SYS_chmod: ::c_long = 4000 +  15;
 pub const SYS_lchown: ::c_long = 4000 +  16;
 pub const SYS_break: ::c_long = 4000 +  17;
-pub const SYS_unused18: ::c_long = 4000 +  18;
 pub const SYS_lseek: ::c_long = 4000 +  19;
 pub const SYS_getpid: ::c_long = 4000 +  20;
 pub const SYS_mount: ::c_long = 4000 +  21;
@@ -363,7 +362,6 @@ pub const SYS_getuid: ::c_long = 4000 +  24;
 pub const SYS_stime: ::c_long = 4000 +  25;
 pub const SYS_ptrace: ::c_long = 4000 +  26;
 pub const SYS_alarm: ::c_long = 4000 +  27;
-pub const SYS_unused28: ::c_long = 4000 +  28;
 pub const SYS_pause: ::c_long = 4000 +  29;
 pub const SYS_utime: ::c_long = 4000 +  30;
 pub const SYS_stty: ::c_long = 4000 +  31;
@@ -394,7 +392,6 @@ pub const SYS_fcntl: ::c_long = 4000 +  55;
 pub const SYS_mpx: ::c_long = 4000 +  56;
 pub const SYS_setpgid: ::c_long = 4000 +  57;
 pub const SYS_ulimit: ::c_long = 4000 +  58;
-pub const SYS_unused59: ::c_long = 4000 +  59;
 pub const SYS_umask: ::c_long = 4000 +  60;
 pub const SYS_chroot: ::c_long = 4000 +  61;
 pub const SYS_ustat: ::c_long = 4000 +  62;
@@ -417,9 +414,7 @@ pub const SYS_gettimeofday: ::c_long = 4000 +  78;
 pub const SYS_settimeofday: ::c_long = 4000 +  79;
 pub const SYS_getgroups: ::c_long = 4000 +  80;
 pub const SYS_setgroups: ::c_long = 4000 +  81;
-pub const SYS_reserved82: ::c_long = 4000 +  82;
 pub const SYS_symlink: ::c_long = 4000 +  83;
-pub const SYS_unused84: ::c_long = 4000 +  84;
 pub const SYS_readlink: ::c_long = 4000 +  85;
 pub const SYS_uselib: ::c_long = 4000 +  86;
 pub const SYS_swapon: ::c_long = 4000 +  87;
@@ -444,7 +439,6 @@ pub const SYS_getitimer: ::c_long = 4000 + 105;
 pub const SYS_stat: ::c_long = 4000 + 106;
 pub const SYS_lstat: ::c_long = 4000 + 107;
 pub const SYS_fstat: ::c_long = 4000 + 108;
-pub const SYS_unused109: ::c_long = 4000 + 109;
 pub const SYS_iopl: ::c_long = 4000 + 110;
 pub const SYS_vhangup: ::c_long = 4000 + 111;
 pub const SYS_idle: ::c_long = 4000 + 112;
@@ -485,7 +479,6 @@ pub const SYS_writev: ::c_long = 4000 + 146;
 pub const SYS_cacheflush: ::c_long = 4000 + 147;
 pub const SYS_cachectl: ::c_long = 4000 + 148;
 pub const SYS_sysmips: ::c_long = 4000 + 149;
-pub const SYS_unused150: ::c_long = 4000 + 150;
 pub const SYS_getsid: ::c_long = 4000 + 151;
 pub const SYS_fdatasync: ::c_long = 4000 + 152;
 pub const SYS__sysctl: ::c_long = 4000 + 153;
@@ -556,7 +549,6 @@ pub const SYS_mincore: ::c_long = 4000 + 217;
 pub const SYS_madvise: ::c_long = 4000 + 218;
 pub const SYS_getdents64: ::c_long = 4000 + 219;
 pub const SYS_fcntl64: ::c_long = 4000 + 220;
-pub const SYS_reserved221: ::c_long = 4000 + 221;
 pub const SYS_gettid: ::c_long = 4000 + 222;
 pub const SYS_readahead: ::c_long = 4000 + 223;
 pub const SYS_setxattr: ::c_long = 4000 + 224;
diff --git a/libc/src/unix/notbsd/linux/mips/mips64.rs b/libc/src/unix/notbsd/linux/mips/mips64.rs
index e8b02a3..f480e50 100644
--- a/libc/src/unix/notbsd/linux/mips/mips64.rs
+++ b/libc/src/unix/notbsd/linux/mips/mips64.rs
@@ -131,7 +131,7 @@ s! {
         pub sa_flags: ::c_int,
         pub sa_sigaction: ::sighandler_t,
         pub sa_mask: sigset_t,
-        pub sa_restorer: ::dox::Option<extern fn()>,
+        pub sa_restorer: ::Option<extern fn()>,
     }
 
     pub struct stack_t {
@@ -496,7 +496,6 @@ pub const SYS_nfsservctl: ::c_long = 5000 + 173;
 pub const SYS_getpmsg: ::c_long = 5000 + 174;
 pub const SYS_putpmsg: ::c_long = 5000 + 175;
 pub const SYS_afs_syscall: ::c_long = 5000 + 176;
-pub const SYS_reserved177: ::c_long = 5000 + 177;
 pub const SYS_gettid: ::c_long = 5000 + 178;
 pub const SYS_readahead: ::c_long = 5000 + 179;
 pub const SYS_setxattr: ::c_long = 5000 + 180;
@@ -512,7 +511,6 @@ pub const SYS_removexattr: ::c_long = 5000 + 189;
 pub const SYS_lremovexattr: ::c_long = 5000 + 190;
 pub const SYS_fremovexattr: ::c_long = 5000 + 191;
 pub const SYS_tkill: ::c_long = 5000 + 192;
-pub const SYS_reserved193: ::c_long = 5000 + 193;
 pub const SYS_futex: ::c_long = 5000 + 194;
 pub const SYS_sched_setaffinity: ::c_long = 5000 + 195;
 pub const SYS_sched_getaffinity: ::c_long = 5000 + 196;
diff --git a/libc/src/unix/notbsd/linux/mips/mod.rs b/libc/src/unix/notbsd/linux/mips/mod.rs
index 8809bef..35534b4 100644
--- a/libc/src/unix/notbsd/linux/mips/mod.rs
+++ b/libc/src/unix/notbsd/linux/mips/mod.rs
@@ -20,20 +20,6 @@ s! {
         __unused5: *mut ::c_void,
     }
 
-    // FIXME this is actually a union
-    #[cfg_attr(all(feature = "align", target_pointer_width = "32"),
-               repr(align(4)))]
-    #[cfg_attr(all(feature = "align", target_pointer_width = "64"),
-               repr(align(8)))]
-    pub struct sem_t {
-        #[cfg(target_pointer_width = "32")]
-        __size: [::c_char; 16],
-        #[cfg(target_pointer_width = "64")]
-        __size: [::c_char; 32],
-        #[cfg(not(feature = "align"))]
-        __align: [::c_long; 0],
-    }
-
     pub struct termios2 {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,
@@ -720,10 +706,10 @@ pub const GENL_UNS_ADMIN_PERM: ::c_int = 0x10;
 pub const GENL_ID_VFS_DQUOT: ::c_int = ::NLMSG_MIN_TYPE + 1;
 pub const GENL_ID_PMCRAID: ::c_int = ::NLMSG_MIN_TYPE + 2;
 
-pub const NFT_TABLE_MAXNAMELEN: ::c_int = 32;
-pub const NFT_CHAIN_MAXNAMELEN: ::c_int = 32;
-pub const NFT_SET_MAXNAMELEN: ::c_int = 32;
-pub const NFT_OBJ_MAXNAMELEN: ::c_int = 32;
+pub const NFT_TABLE_MAXNAMELEN: ::c_int = 256;
+pub const NFT_CHAIN_MAXNAMELEN: ::c_int = 256;
+pub const NFT_SET_MAXNAMELEN: ::c_int = 256;
+pub const NFT_OBJ_MAXNAMELEN: ::c_int = 256;
 pub const NFT_USERDATA_MAXLEN: ::c_int = 256;
 
 pub const NFT_REG_VERDICT: ::c_int = 0;
@@ -780,7 +766,7 @@ pub const NFT_MSG_NEWOBJ: ::c_int = 18;
 pub const NFT_MSG_GETOBJ: ::c_int = 19;
 pub const NFT_MSG_DELOBJ: ::c_int = 20;
 pub const NFT_MSG_GETOBJ_RESET: ::c_int = 21;
-pub const NFT_MSG_MAX: ::c_int = 22;
+pub const NFT_MSG_MAX: ::c_int = 25;
 
 pub const NFT_SET_ANONYMOUS: ::c_int = 0x1;
 pub const NFT_SET_CONSTANT: ::c_int = 0x2;
@@ -927,7 +913,7 @@ extern {
                      sz: ::c_int) -> ::c_int;
     pub fn glob64(pattern: *const ::c_char,
                   flags: ::c_int,
-                  errfunc: ::dox::Option<extern fn(epath: *const ::c_char,
+                  errfunc: ::Option<extern fn(epath: *const ::c_char,
                                                    errno: ::c_int)
                                                    -> ::c_int>,
                   pglob: *mut glob64_t) -> ::c_int;
@@ -962,3 +948,13 @@ cfg_if! {
         // Unknown target_arch
     }
 }
+
+cfg_if! {
+    if #[cfg(libc_align)] {
+        mod align;
+        pub use self::align::*;
+    } else {
+        mod no_align;
+        pub use self::no_align::*;
+    }
+}
diff --git a/libc/src/unix/notbsd/linux/mips/no_align.rs b/libc/src/unix/notbsd/linux/mips/no_align.rs
new file mode 100644
index 0000000..e32bf67
--- /dev/null
+++ b/libc/src/unix/notbsd/linux/mips/no_align.rs
@@ -0,0 +1,10 @@
+s! {
+    // FIXME this is actually a union
+    pub struct sem_t {
+        #[cfg(target_pointer_width = "32")]
+        __size: [::c_char; 16],
+        #[cfg(target_pointer_width = "64")]
+        __size: [::c_char; 32],
+        __align: [::c_long; 0],
+    }
+}