dcavalca / rpms / qemu

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Blame qemu-0.9.1-pty-rawmode.patch

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