initial commit for Enea Linux 4.0-140929daisy-140929

Migrated from the internal git server on the daisy-enea-point-release branch

Signed-off-by: Tudor Florea <tudor.florea@enea.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/recipes-append/eglibc/files/glibc-fedora-linux-tcsetattr.patch b/recipes-append/eglibc/files/glibc-fedora-linux-tcsetattr.patch
new file mode 100644
index 0000000..ca9030d
--- /dev/null
+++ b/recipes-append/eglibc/files/glibc-fedora-linux-tcsetattr.patch
@@ -0,0 +1,49 @@
+diff -Nrup a/sysdeps/unix/sysv/linux/tcsetattr.c b/sysdeps/unix/sysv/linux/tcsetattr.c
+--- a/sysdeps/unix/sysv/linux/tcsetattr.c   2012-06-05 07:42:49.000000000 -0600
++++ b/sysdeps/unix/sysv/linux/tcsetattr.c   2012-06-07 12:15:21.831318623 -0600
+@@ -48,6 +48,7 @@ tcsetattr (fd, optional_actions, termios
+ {
+   struct __kernel_termios k_termios;
+   unsigned long int cmd;
++  int retval;
+
+   switch (optional_actions)
+     {
+@@ -79,6 +80,35 @@ tcsetattr (fd, optional_actions, termios
+   memcpy (&k_termios.c_cc[0], &termios_p->c_cc[0],
+      __KERNEL_NCCS * sizeof (cc_t));
+
+-  return INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios);
++  retval = INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios);
++
++  if (retval == 0 && cmd == TCSETS)
++    {
++      /* The Linux kernel has a bug which silently ignore the invalid
++        c_cflag on pty. We have to check it here. */
++      int save = errno;
++      retval = INLINE_SYSCALL (ioctl, 3, fd, TCGETS, &k_termios);
++      if (retval)
++       {
++         /* We cannot verify if the setting is ok. We don't return
++            an error (?). */
++         __set_errno (save);
++         retval = 0;
++       }
++      else if ((termios_p->c_cflag & (PARENB | CREAD))
++              != (k_termios.c_cflag & (PARENB | CREAD))
++              || ((termios_p->c_cflag & CSIZE)
++                  && ((termios_p->c_cflag & CSIZE)
++                      != (k_termios.c_cflag & CSIZE))))
++       {
++         /* It looks like the Linux kernel silently changed the
++            PARENB/CREAD/CSIZE bits in c_cflag. Report it as an
++            error. */
++         __set_errno (EINVAL);
++         retval = -1;
++       }
++    }
++
++  return retval;
+ }
+ libc_hidden_def (tcsetattr)
+