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uterm: vt: be more verbose on errors

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Print more information when VT allocation fails.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2012-09-08 15:36:02 +02:00
parent 1060e57a8d
commit 5d7bdd3584
1 changed files with 4 additions and 2 deletions
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6
src/uterm_vt.c
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@ -162,7 +162,7 @@ static void real_input(struct ev_fd *fd, int mask, void *data)
static int open_tty(int id, int *tty_fd, int *tty_num)
{
int fd;
int fd, err1;
char filename[16];
if (!tty_fd || !tty_num)
@ -171,10 +171,12 @@ static int open_tty(int id, int *tty_fd, int *tty_num)
if (id < 0) {
fd = open("/dev/tty0", O_NONBLOCK | O_NOCTTY | O_CLOEXEC);
if (fd < 0) {
err1 = errno;
fd = open("/dev/tty1",
O_NONBLOCK | O_NOCTTY | O_CLOEXEC);
if (fd < 0) {
log_err("cannot find parent tty");
log_err("cannot find parent tty (%d, %d): %m",
err1, errno);
return -errno;
}
}