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author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-05 10:05:31 +0000 |
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committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-05 10:05:31 +0000 |
commit | 64b7b7334b92c1fdc1bb7d3d1afc342656c59539 (patch) | |
tree | 971081559ad062abc7bcb4b111c00e9de5f6dfbe /vl.c | |
parent | f2bf094ee7d5ca77fe6ed0b8d6599a945d97664d (diff) | |
download | hqemu-64b7b7334b92c1fdc1bb7d3d1afc342656c59539.zip hqemu-64b7b7334b92c1fdc1bb7d3d1afc342656c59539.tar.gz |
Put Pseudo-TTY in rawmode for char devices
(Daniel P. Berrange)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4338 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'vl.c')
-rw-r--r-- | vl.c | 74 |
1 files changed, 62 insertions, 12 deletions
@@ -2269,28 +2269,78 @@ static CharDriverState *qemu_chr_open_stdio(void) 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); } |