Update libc crate to 0.2.47

This change updates the libc crate to version 0.2.47.

Import subrepo libc/:libc at ce1dfcbf81bd74662b5cd02a9214818a0bfbbffa

14 files changed, 89 insertions, 1 deletions

diff --git a/libc/src/unix/bsd/apple/mod.rs b/libc/src/unix/bsd/apple/mod.rs
index 3d9dd94..13da82c 100644
--- a/libc/src/unix/bsd/apple/mod.rs
+++ b/libc/src/unix/bsd/apple/mod.rs
@@ -2659,6 +2659,7 @@ extern {
         fd: ::c_int,
         newfd: ::c_int,
     ) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 0414380..41b6956 100644
--- a/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/libc/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -801,4 +801,5 @@ extern {
 
     pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;
     pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs b/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 03b19eb..878deea 100644
--- a/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -447,6 +447,19 @@ pub const TIOCSIG: ::c_uint = 0x2004745f;
 pub const TIOCM_DCD: ::c_int = 0x40;
 pub const H4DISC: ::c_int = 0x7;
 
+pub const FIONCLEX: ::c_ulong = 0x20006602;
+pub const FIONREAD: ::c_ulong = 0x4004667f;
+pub const FIOASYNC: ::c_ulong = 0x8004667d;
+pub const FIOSETOWN: ::c_ulong = 0x8004667c;
+pub const FIOGETOWN: ::c_ulong = 0x4004667b;
+pub const FIODTYPE: ::c_ulong = 0x4004667a;
+pub const FIOGETLBA: ::c_ulong = 0x40046679;
+pub const FIODGNAME: ::c_ulong = 0x80106678;
+pub const FIONWRITE: ::c_ulong = 0x40046677;
+pub const FIONSPACE: ::c_ulong = 0x40046676;
+pub const FIOSEEKDATA: ::c_ulong = 0xc0086661;
+pub const FIOSEEKHOLE: ::c_ulong = 0xc0086662;
+
 pub const JAIL_API_VERSION: u32 = 2;
 pub const JAIL_CREATE: ::c_int = 0x01;
 pub const JAIL_UPDATE: ::c_int = 0x02;
@@ -949,6 +962,12 @@ pub const UF_READONLY:  ::c_ulong = 0x00001000;
 pub const UF_HIDDEN:    ::c_ulong = 0x00008000;
 pub const SF_SNAPSHOT:  ::c_ulong = 0x00200000;
 
+f! {
+    pub fn uname(buf: *mut ::utsname) -> ::c_int {
+        __xuname(256, buf as *mut ::c_void)
+    }
+}
+
 extern {
     pub fn __error() -> *mut ::c_int;
 
@@ -1135,6 +1154,7 @@ extern {
     pub fn fstatfs(fd: ::c_int, buf: *mut statfs) -> ::c_int;
 
     pub fn dup3(src: ::c_int, dst: ::c_int, flags: ::c_int) -> ::c_int;
+    pub fn __xuname(nmln: ::c_int, buf: *mut ::c_void) -> ::c_int;
 }
 
 #[link(name = "util")]
diff --git a/libc/src/unix/bsd/netbsdlike/mod.rs b/libc/src/unix/bsd/netbsdlike/mod.rs
index abd014c..15f84d9 100644
--- a/libc/src/unix/bsd/netbsdlike/mod.rs
+++ b/libc/src/unix/bsd/netbsdlike/mod.rs
@@ -676,6 +676,7 @@ extern {
                    -> ::c_int;
     pub fn getdomainname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
     pub fn setdomainname(name: *const ::c_char, len: ::size_t) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs b/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
index 9c8173f..760582c 100644
--- a/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -987,6 +987,20 @@ pub const CHWFLOW: ::tcflag_t = ::MDMBUF | ::CRTSCTS | ::CDTRCTS;
 pub const SOCK_CLOEXEC: ::c_int = 0x10000000;
 pub const SOCK_NONBLOCK: ::c_int = 0x20000000;
 
+pub const FIONCLEX: ::c_ulong = 0x20006602;
+// Uncomment on next NetBSD release
+// pub const FIOSEEKDATA: ::c_ulong = 0xc0086661;
+// pub const FIOSEEKHOLE: ::c_ulong = 0xc0086662;
+pub const FIONREAD: ::c_ulong = 0x4004667f;
+pub const FIOASYNC: ::c_ulong = 0x8004667d;
+pub const FIOSETOWN: ::c_ulong = 0x8004667c;
+pub const FIOGETOWN: ::c_ulong = 0x4004667b;
+pub const OFIOGETBMAP: ::c_ulong = 0xc004667a;
+pub const FIOGETBMAP: ::c_ulong = 0xc008667a;
+pub const FIONWRITE: ::c_ulong = 0x40046679;
+pub const FIONSPACE: ::c_ulong = 0x40046678;
+pub const FIBMAP: ::c_ulong = 0xc008667a;
+
 pub const SIGSTKSZ : ::size_t = 40960;
 
 pub const PT_DUMPCORE: ::c_int = 12;
diff --git a/libc/src/unix/haiku/mod.rs b/libc/src/unix/haiku/mod.rs
index e65bca7..2aa5d13 100644
--- a/libc/src/unix/haiku/mod.rs
+++ b/libc/src/unix/haiku/mod.rs
@@ -1242,6 +1242,7 @@ extern {
                    termp: *mut termios,
                    winp: *mut ::winsize) -> ::pid_t;
     pub fn sethostname(name: *const ::c_char, len: ::size_t) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/hermit/mod.rs b/libc/src/unix/hermit/mod.rs
index aadfa1c..ba7a90f 100644
--- a/libc/src/unix/hermit/mod.rs
+++ b/libc/src/unix/hermit/mod.rs
@@ -727,6 +727,7 @@ extern {
         -> ::c_int;
 
     pub fn setgroups(ngroups: ::c_int, grouplist: *const ::gid_t) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/mod.rs b/libc/src/unix/mod.rs
index 370d7f4..88e13c5 100644
--- a/libc/src/unix/mod.rs
+++ b/libc/src/unix/mod.rs
@@ -972,7 +972,6 @@ extern {
     #[cfg_attr(target_os = "freebsd", link_name = "mknod@FBSD_1.0")]
     pub fn mknod(pathname: *const ::c_char, mode: ::mode_t,
                  dev: ::dev_t) -> ::c_int;
-    pub fn uname(buf: *mut ::utsname) -> ::c_int;
     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
     pub fn getservbyname(name: *const ::c_char,
                          proto: *const ::c_char) -> *mut servent;
diff --git a/libc/src/unix/newlib/mod.rs b/libc/src/unix/newlib/mod.rs
index 77a4eb9..0cc411d 100644
--- a/libc/src/unix/newlib/mod.rs
+++ b/libc/src/unix/newlib/mod.rs
@@ -728,6 +728,7 @@ extern {
                link_name = "popen$UNIX2003")]
     pub fn popen(command: *const c_char,
                  mode: *const c_char) -> *mut ::FILE;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/notbsd/linux/other/b32/x86.rs b/libc/src/unix/notbsd/linux/other/b32/x86.rs
index 1506aca..6c41718 100644
--- a/libc/src/unix/notbsd/linux/other/b32/x86.rs
+++ b/libc/src/unix/notbsd/linux/other/b32/x86.rs
@@ -758,6 +758,27 @@ pub const EFL: ::c_int = 14;
 pub const UESP: ::c_int = 15;
 pub const SS: ::c_int = 16;
 
+// offsets in mcontext_t.gregs from sys/ucontext.h
+pub const REG_GS: ::c_int = 0;
+pub const REG_FS: ::c_int = 1;
+pub const REG_ES: ::c_int = 2;
+pub const REG_DS: ::c_int = 3;
+pub const REG_EDI: ::c_int = 4;
+pub const REG_ESI: ::c_int = 5;
+pub const REG_EBP: ::c_int = 6;
+pub const REG_ESP: ::c_int = 7;
+pub const REG_EBX: ::c_int = 8;
+pub const REG_EDX: ::c_int = 9;
+pub const REG_ECX: ::c_int = 10;
+pub const REG_EAX: ::c_int = 11;
+pub const REG_TRAPNO: ::c_int = 12;
+pub const REG_ERR: ::c_int = 13;
+pub const REG_EIP: ::c_int = 14;
+pub const REG_CS: ::c_int = 15;
+pub const REG_EFL: ::c_int = 16;
+pub const REG_UESP: ::c_int = 17;
+pub const REG_SS: ::c_int = 18;
+
 extern {
     pub fn getcontext(ucp: *mut ucontext_t) -> ::c_int;
     pub fn setcontext(ucp: *const ucontext_t) -> ::c_int;
diff --git a/libc/src/unix/notbsd/linux/other/b64/x86_64.rs b/libc/src/unix/notbsd/linux/other/b64/x86_64.rs
index 43b8b9f..0d7137e 100644
--- a/libc/src/unix/notbsd/linux/other/b64/x86_64.rs
+++ b/libc/src/unix/notbsd/linux/other/b64/x86_64.rs
@@ -644,6 +644,31 @@ pub const ES: ::c_int = 24;
 pub const FS: ::c_int = 25;
 pub const GS: ::c_int = 26;
 
+// offsets in mcontext_t.gregs from sys/ucontext.h
+pub const REG_R8: ::c_int = 0;
+pub const REG_R9: ::c_int = 1;
+pub const REG_R10: ::c_int = 2;
+pub const REG_R11: ::c_int = 3;
+pub const REG_R12: ::c_int = 4;
+pub const REG_R13: ::c_int = 5;
+pub const REG_R14: ::c_int = 6;
+pub const REG_R15: ::c_int = 7;
+pub const REG_RDI: ::c_int = 8;
+pub const REG_RSI: ::c_int = 9;
+pub const REG_RBP: ::c_int = 10;
+pub const REG_RBX: ::c_int = 11;
+pub const REG_RDX: ::c_int = 12;
+pub const REG_RAX: ::c_int = 13;
+pub const REG_RCX: ::c_int = 14;
+pub const REG_RSP: ::c_int = 15;
+pub const REG_RIP: ::c_int = 16;
+pub const REG_EFL: ::c_int = 17;
+pub const REG_CSGSFS: ::c_int = 18;
+pub const REG_ERR: ::c_int = 19;
+pub const REG_TRAPNO: ::c_int = 20;
+pub const REG_OLDMASK: ::c_int = 21;
+pub const REG_CR2: ::c_int = 22;
+
 extern {
     pub fn getcontext(ucp: *mut ucontext_t) -> ::c_int;
     pub fn setcontext(ucp: *const ucontext_t) -> ::c_int;
diff --git a/libc/src/unix/notbsd/mod.rs b/libc/src/unix/notbsd/mod.rs
index 6ff0807..668c25f 100644
--- a/libc/src/unix/notbsd/mod.rs
+++ b/libc/src/unix/notbsd/mod.rs
@@ -1242,6 +1242,7 @@ extern {
                    flags: ::c_int) -> ::ssize_t;
     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int)
                    -> ::ssize_t;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {
diff --git a/libc/src/unix/solaris/mod.rs b/libc/src/unix/solaris/mod.rs
index c4ec111..c991e62 100644
--- a/libc/src/unix/solaris/mod.rs
+++ b/libc/src/unix/solaris/mod.rs
@@ -1466,4 +1466,5 @@ extern {
                  mode: *const c_char) -> *mut ::FILE;
 
     pub fn dup3(src: ::c_int, dst: ::c_int, flags: ::c_int) -> ::c_int;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
diff --git a/libc/src/unix/uclibc/mod.rs b/libc/src/unix/uclibc/mod.rs
index 9d8e97e..c04c22a 100644
--- a/libc/src/unix/uclibc/mod.rs
+++ b/libc/src/unix/uclibc/mod.rs
@@ -1953,6 +1953,7 @@ extern {
                link_name = "popen$UNIX2003")]
     pub fn popen(command: *const c_char,
                  mode: *const c_char) -> *mut ::FILE;
+    pub fn uname(buf: *mut ::utsname) -> ::c_int;
 }
 
 cfg_if! {