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getty: automatically add getty on hvsi0 virtualizer console

Browse Source 
https://bugs.freedesktop.org/show_bug.cgi?id=39818
This commit is contained in:
Lennart Poettering 2011-08-31 04:15:42 +02:00
parent f917c3e5e1
commit 3c20189a72
2 changed files with 54 additions and 16 deletions
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2
src/99-systemd.rules.in
View File

@ -8,7 +8,7 @@
ACTION=="remove", GOTO="systemd_end"
SUBSYSTEM=="tty", KERNEL=="tty[0-9]|tty1[0-2]", TAG+="systemd"
SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*", TAG+="systemd"
SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*", TAG+="systemd"
KERNEL=="vport*", TAG+="systemd"

68
src/getty-generator.c
View File

@ -47,7 +47,7 @@ static int add_symlink(const char *fservice, const char *tservice) {
r = symlink(from, to);
if (r < 0) {
if (errno == EEXIST)
/* In case console=hvc is passed this will very likely result in EEXIST */
/* In case console=hvc0 is passed this will very likely result in EEXIST */
r = 0;
else {
log_error("Failed to create symlink from %s to %s: %m", from, to);
@ -64,23 +64,30 @@ finish:
}
int main(int argc, char *argv[]) {
static const char virtualization_consoles[] =
"hvc0\0"
"xvc0\0"
"hvsi0\0";
int r = EXIT_SUCCESS;
char *active;
const char *j;
if (argc > 2) {
log_error("This program takes one or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
arg_dest = argv[1];
log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
log_parse_environment();
log_open();
umask(0022);
if (argc > 1)
arg_dest = argv[1];
if (detect_container(NULL) > 0) {
log_debug("Automatically adding console shell.");
@ -102,8 +109,11 @@ int main(int argc, char *argv[]) {
/* Automatically add in a serial getty on the kernel
* console */
if (!tty_is_vc(tty)) {
if (tty_is_vc(tty))
free(active);
else {
char *n;
int k;
/* We assume that gettys on virtual terminals are
* started via manual configuration and do this magic
@ -112,30 +122,58 @@ int main(int argc, char *argv[]) {
log_debug("Automatically adding serial getty for /dev/%s.", tty);
n = unit_name_replace_instance("serial-getty@.service", tty);
if (!n || add_symlink("serial-getty@.service", n) < 0)
free(active);
if (!n) {
log_error("Out of memory");
r = EXIT_FAILURE;
goto finish;
}
k = add_symlink("serial-getty@.service", n);
free(n);
}
free(active);
if (k < 0) {
r = EXIT_FAILURE;
goto finish;
}
}
}
/* Automatically add in a serial getty on the first
* virtualizer console */
if (access("/sys/class/tty/hvc0", F_OK) == 0) {
log_debug("Automatically adding serial getty for hvc0.");
NULSTR_FOREACH(j, virtualization_consoles) {
char *n, *p;
int k;
if (add_symlink("serial-getty@.service", "serial-getty@hvc0.service") < 0)
if (asprintf(&p, "/sys/class/tty/%s", j) < 0) {
log_error("Out of memory");
r = EXIT_FAILURE;
goto finish;
}
}
k = access(p, F_OK);
free(p);
if (access("/sys/class/tty/xvc0", F_OK) == 0) {
log_debug("Automatically adding serial getty for xvc0.");
if (k < 0)
continue;
if (add_symlink("serial-getty@.service", "serial-getty@xvc0.service") < 0)
log_debug("Automatically adding serial getty for /dev/%s.", j);
n = unit_name_replace_instance("serial-getty@.service", j);
if (!n) {
log_error("Out of memory");
r = EXIT_FAILURE;
goto finish;
}
k = add_symlink("serial-getty@.service", n);
free(n);
if (k < 0) {
r = EXIT_FAILURE;
goto finish;
}
}
finish: