Add legacy inlines for more termios stuff.

Test: make checkbuild # with my versioner-in-build patches
Bug: https://github.com/android-ndk/ndk/issues/302
Change-Id: Ib00b5dadf23592d101486b4f2188285ec03c9e2a

diff --git a/libc/include/android/legacy_termios_inlines.h b/libc/include/android/legacy_termios_inlines.h
index 4424bdb..02e9429 100644 (file)
--- a/libc/include/android/legacy_termios_inlines.h
+++ b/libc/include/android/legacy_termios_inlines.h
@@ -91,6 +91,18 @@ static __inline void cfmakeraw(struct termios *s) {
   s->c_cflag |= CS8;
 }
 
+static __inline int cfsetspeed(struct termios* s, speed_t speed) {
+  // TODO: check 'speed' is valid.
+  s->c_cflag = (s->c_cflag & ~CBAUD) | (speed & CBAUD);
+  return 0;
+}
+
+static __inline int tcdrain(int fd) {
+  // A non-zero argument to TCSBRK means "don't send a break".
+  // The drain is a side-effect of the ioctl!
+  return ioctl(fd, TCSBRK, __BIONIC_CAST(static_cast, unsigned long, 1));
+}
+
 __END_DECLS
 
 #endif

diff --git a/libc/include/termios.h b/libc/include/termios.h
index 49ffcd2..66ae71c 100644 (file)
--- a/libc/include/termios.h
+++ b/libc/include/termios.h
@@ -40,8 +40,10 @@ __BEGIN_DECLS
 speed_t cfgetispeed(const struct termios*) __INTRODUCED_IN(21);
 speed_t cfgetospeed(const struct termios*) __INTRODUCED_IN(21);
 void cfmakeraw(struct termios*) __INTRODUCED_IN(21);
+int cfsetspeed(struct termios*, speed_t) __INTRODUCED_IN(21);
 int cfsetispeed(struct termios*, speed_t) __INTRODUCED_IN(21);
 int cfsetospeed(struct termios*, speed_t) __INTRODUCED_IN(21);
+int tcdrain(int) __INTRODUCED_IN(21);
 int tcflow(int, int) __INTRODUCED_IN(21);
 int tcflush(int, int) __INTRODUCED_IN(21);
 int tcgetattr(int, struct termios*) __INTRODUCED_IN(21);
@@ -50,9 +52,6 @@ int tcsendbreak(int, int) __INTRODUCED_IN(21);
 int tcsetattr(int, int, const struct termios*) __INTRODUCED_IN(21);
 #endif
 
-int cfsetspeed(struct termios*, speed_t) __INTRODUCED_IN(21);
-int tcdrain(int) __INTRODUCED_IN(21);
-
 __END_DECLS
 
 #include <android/legacy_termios_inlines.h>