Auto merge of #1095 - xoac:rs485_support, r=alexcrichton

Add TIOCGRS485 and TIOCSRS485 for musl #1094

I need help with adding `TIOCSRS485` and `TIOCSRS485` constants to libc.

Author: bors

src/unix/notbsd/linux/musl/b32/arm.rs

@@ -467,6 +467,9 @@ pub const TIOCMSET: ::c_int = 0x5418;
 pub const FIONREAD: ::c_int = 0x541B;
 pub const TIOCCONS: ::c_int = 0x541D;
 
+pub const TIOCGRS485: ::c_int = 0x542E;
+pub const TIOCSRS485: ::c_int = 0x542F;
+
 pub const POLLWRNORM: ::c_short = 0x100;
 pub const POLLWRBAND: ::c_short = 0x200;
 

src/unix/notbsd/linux/musl/b32/mips.rs

@@ -478,6 +478,9 @@ pub const TIOCMSET: ::c_int = 0x741A;
 pub const FIONREAD: ::c_int = 0x467F;
 pub const TIOCCONS: ::c_int = 0x80047478;
 
+pub const TIOCGRS485: ::c_int = 0x4020542E;
+pub const TIOCSRS485: ::c_int = 0xC020542F;
+
 pub const POLLWRNORM: ::c_short = 0x4;
 pub const POLLWRBAND: ::c_short = 0x100;
 

src/unix/notbsd/linux/musl/b32/powerpc.rs

@@ -470,6 +470,9 @@ pub const TIOCMSET: ::c_int = 0x5418;
 pub const FIONREAD: ::c_int = 0x4004667F;
 pub const TIOCCONS: ::c_int = 0x541D;
 
+pub const TIOCGRS485: ::c_int = 0x542e;
+pub const TIOCSRS485: ::c_int = 0x542f;
+
 pub const POLLWRNORM: ::c_short = 0x100;
 pub const POLLWRBAND: ::c_short = 0x200;
 

src/unix/notbsd/linux/musl/b32/x86.rs

@@ -481,6 +481,9 @@ pub const TIOCMSET: ::c_int = 0x5418;
 pub const FIONREAD: ::c_int = 0x541B;
 pub const TIOCCONS: ::c_int = 0x541D;
 
+pub const TIOCGRS485: ::c_int = 0x542E;
+pub const TIOCSRS485: ::c_int = 0x542F;
+
 pub const POLLWRNORM: ::c_short = 0x100;
 pub const POLLWRBAND: ::c_short = 0x200;
 

src/unix/notbsd/linux/musl/b64/aarch64.rs

@@ -459,6 +459,9 @@ pub const TIOCMSET: ::c_int = 0x5418;
 pub const FIONREAD: ::c_int = 0x541B;
 pub const TIOCCONS: ::c_int = 0x541D;
 
+pub const TIOCGRS485: ::c_int = 0x542E;
+pub const TIOCSRS485: ::c_int = 0x542F;
+
 pub const TIOCM_LE: ::c_int = 0x001;
 pub const TIOCM_DTR: ::c_int = 0x002;
 pub const TIOCM_RTS: ::c_int = 0x004;

src/unix/notbsd/linux/musl/b64/powerpc64.rs

@@ -493,6 +493,9 @@ pub const TIOCM_DSR: ::c_ulong = 0x100;
 pub const TIOCM_CD: ::c_ulong = TIOCM_CAR;
 pub const TIOCM_RI: ::c_ulong = TIOCM_RNG;
 
+pub const TIOCGRS485: ::c_ulong = 0x542E;
+pub const TIOCSRS485: ::c_ulong = 0x542F;
+
 pub const RLIMIT_NLIMITS: ::c_int = 15;
 pub const TIOCINQ: ::c_ulong = ::FIONREAD;
 pub const MCL_CURRENT: ::c_int = 0x2000;