[libcrystax] Fix bug #1004

Add own implementation of termios functions, including tcdrain().

Signed-off-by: Dmitry Moskalchuk <dm@crystax.net>

sources/crystax/bin/gen-bionic-sources

@@ -208,6 +208,9 @@ g.add "libc/arch-x86_64/syscalls/fcntl.S",   fixup: "redefine_fcntl"
 g.add "libc/bionic/sysconf.cpp"
 g.add "libc/bionic/sysinfo.cpp"
 
+# termios
+g.add "libc/bionic/termios.cpp"
+
 # pipe2
 g.add "libc/arch-arm/syscalls/pipe2.S"
 g.add "libc/arch-arm64/syscalls/pipe2.S"

sources/crystax/include/termios.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2011-2015 CrystaX .NET.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CrystaX .NET ''AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CrystaX .NET OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of CrystaX .NET.
+ */
+
+#ifndef __CRYSTAX_INCLUDE_TERMIOS_H_4BB725BB15A04872B58EBC8A4F9321F0
+#define __CRYSTAX_INCLUDE_TERMIOS_H_4BB725BB15A04872B58EBC8A4F9321F0
+
+#include <crystax/id.h>
+
+#include <sys/cdefs.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <linux/termios.h>
+
+__BEGIN_DECLS
+
+speed_t cfgetispeed(const struct termios*);
+speed_t cfgetospeed(const struct termios*);
+void cfmakeraw(struct termios*);
+int cfsetispeed(struct termios*, speed_t);
+int cfsetospeed(struct termios*, speed_t);
+int cfsetspeed(struct termios*, speed_t);
+int tcdrain(int);
+int tcflow(int, int);
+int tcflush(int, int);
+int tcgetattr(int, struct termios*);
+pid_t tcgetsid(int);
+int tcsendbreak(int, int);
+int tcsetattr(int, int, const struct termios*);
+
+__END_DECLS
+
+#endif /* __CRYSTAX_INCLUDE_TERMIOS_H_4BB725BB15A04872B58EBC8A4F9321F0 */

tests/build/crystax-test-posix-interfaces/jni/termios.c

@@ -50,17 +50,6 @@ void termios_check_fields(struct termios *s)
     s->c_cc[0] = (cc_t)0;
 }
 
-#if __ANDROID__
-/* WARNING!!! These functions not defined in Android, so we define empty stubs here */
-
-int tcdrain(int c)
-{
-    (void)c;
-    return -1;
-}
-
-#endif /* __ANDROID__ */
-
 void termios_check_functions(struct termios *t, const struct termios *ct)
 {
     (void)cfgetispeed(ct);