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Fix TTY to be in rawmode

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This commit is contained in:
Daniel P. Berrange 2008-06-11 12:36:53 +00:00
parent 8e860de28c
commit c7c195bded
2 changed files with 98 additions and 0 deletions
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94
qemu-0.9.1-pty-rawmode.patch Normal file
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@ -0,0 +1,94 @@
diff -rup qemu-0.9.1.orig/vl.c qemu-0.9.1.new/vl.c
--- qemu-0.9.1.orig/vl.c 2008-05-05 13:32:55.000000000 -0400
+++ qemu-0.9.1.new/vl.c 2008-05-05 13:33:17.000000000 -0400
@@ -2200,28 +2200,78 @@ static CharDriverState *qemu_chr_open_st
return chr;
}
+#ifdef __sun__
+/* Once Solaris has openpty(), this is going to be removed. */
+int openpty(int *amaster, int *aslave, char *name,
+ struct termios *termp, struct winsize *winp)
+{
+ const char *slave;
+ int mfd = -1, sfd = -1;
+
+ *amaster = *aslave = -1;
+
+ mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY);
+ if (mfd < 0)
+ goto err;
+
+ if (grantpt(mfd) == -1 || unlockpt(mfd) == -1)
+ goto err;
+
+ if ((slave = ptsname(mfd)) == NULL)
+ goto err;
+
+ if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1)
+ goto err;
+
+ if (ioctl(sfd, I_PUSH, "ptem") == -1 ||
+ (termp != NULL && tcgetattr(sfd, termp) < 0))
+ goto err;
+
+ if (amaster)
+ *amaster = mfd;
+ if (aslave)
+ *aslave = sfd;
+ if (winp)
+ ioctl(sfd, TIOCSWINSZ, winp);
+
+ return 0;
+
+err:
+ if (sfd != -1)
+ close(sfd);
+ close(mfd);
+ return -1;
+}
+
+void cfmakeraw (struct termios *termios_p)
+{
+ termios_p->c_iflag &=
+ ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
+ termios_p->c_oflag &= ~OPOST;
+ termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
+ termios_p->c_cflag &= ~(CSIZE|PARENB);
+ termios_p->c_cflag |= CS8;
+
+ termios_p->c_cc[VMIN] = 0;
+ termios_p->c_cc[VTIME] = 0;
+}
+#endif
+
#if defined(__linux__) || defined(__sun__)
static CharDriverState *qemu_chr_open_pty(void)
{
struct termios tty;
- char slave_name[1024];
int master_fd, slave_fd;
-#if defined(__linux__)
- /* Not satisfying */
- if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
+ if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) < 0) {
return NULL;
}
-#endif
- /* Disabling local echo and line-buffered output */
- tcgetattr (master_fd, &tty);
- tty.c_lflag &= ~(ECHO|ICANON|ISIG);
- tty.c_cc[VMIN] = 1;
- tty.c_cc[VTIME] = 0;
- tcsetattr (master_fd, TCSAFLUSH, &tty);
+ /* Set raw attributes on the pty. */
+ cfmakeraw(&tty);
+ tcsetattr(slave_fd, TCSAFLUSH, &tty);
- fprintf(stderr, "char device redirected to %s\n", slave_name);
+ fprintf(stderr, "char device redirected to %s\n", ptsname(master_fd));
return qemu_chr_open_fd(master_fd, master_fd);
}

4
qemu.spec
View File

@ -18,6 +18,8 @@ Patch0: qemu-0.7.0-build.patch
# Change default NIC to rtl8139 to get link-state detection
Patch3: qemu-0.9.1-nic-defaults.patch
Patch4: qemu-%{version}-block-rw-range-check.patch
# Upstream SVN changeset #4338
Patch5: qemu-%{version}-pty-rawmode.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: SDL-devel compat-gcc-%{gccver} zlib-devel which texi2html gnutls-devel
Requires(post): /sbin/chkconfig
@ -54,6 +56,7 @@ This package provides the command line tool for manipulating disk images
%patch0 -p1
%patch3 -p1
%patch4 -p1
%patch5 -p1
%build
./configure \
@ -143,6 +146,7 @@ fi
%changelog
* Wed Jun 11 2008 Daniel P. Berrange <berrange@redhat.com> - 0.9.1-6.fc9
- Remove bogus wildcard from files list (rhbz #450701)
- Fix text console PTYs to be in rawmode
* Wed Mar 19 2008 Daniel P. Berrange <berrange@redhat.com> - 0.9.1-5.fc9
- Split qemu-img tool into sub-package for smaller footprint installs