1 files changed, 53 insertions, 19 deletions

diff --git a/newlib/libc/sys/linux/termios.c b/newlib/libc/sys/linux/termios.c
index 94567b16d..bc0ac550a 100644
--- a/newlib/libc/sys/linux/termios.c
+++ b/newlib/libc/sys/linux/termios.c
@@ -9,29 +9,63 @@
 #include <sys/ioctl.h>
 
 
-int tcgetattr(int fd,struct termios *termios_p)
+int 
+tcgetattr(int fd,struct termios *termios_p)
 {
-    return ioctl(fd,TCGETS,termios_p);
+  return ioctl(fd,TCGETS,termios_p);
 }
 
 
-int tcsetattr(int fd,int optional_actions,const struct termios *termios_p)
+int 
+tcsetattr(int fd,int optional_actions,const struct termios *termios_p)
 {
-    int cmd;
-
-    switch (optional_actions) {
-	case TCSANOW:
-	    cmd = TCSETS;
-	    break;
-	case TCSADRAIN:
-	    cmd = TCSETSW;
-	    break;
-	case TCSAFLUSH:
-	    cmd = TCSETSF;
-	    break;
-	default:
-	    errno = EINVAL;
-	    return -1;
+  int cmd;
+
+  switch (optional_actions) {
+    case TCSANOW:
+      cmd = TCSETS;
+    break;
+    case TCSADRAIN:
+      cmd = TCSETSW;
+    break;
+    case TCSAFLUSH:
+      cmd = TCSETSF;
+    break;
+    default:
+      errno = EINVAL;
+      return -1;
     }
-    return ioctl(fd,cmd,termios_p);
+  return ioctl(fd,cmd,termios_p);
+}
+
+
+pid_t 
+tcgetpgrp(int fd)
+{
+  int p;
+    
+  if (ioctl(fd,TIOCGPGRP,&p) < 0)
+    return (pid_t)-1;
+  return (pid_t)p;
+}
+
+
+int 
+tcsetpgrp(int fd, pid_t pid)
+{
+  int p = (int)pid;
+  return ioctl(fd,TIOCSPGRP,&p);
+}
+
+int
+tcflow (int fd, int action)
+{
+  return ioctl (fd, TCXONC, action);
 }
+
+int
+tcflush (int fd, int queue_selector)
+{
+  return ioctl (fd, TCFLSH, queue_selector);
+}
+