Dr. Werner Fink 2010-10-01 13:46:58 +00:00 committed by Git OBS Bridge
parent 89d4214803
commit 83574d9aed
4 changed files with 286 additions and 9 deletions

View File

@ -1,4 +1,58 @@
--- .dummy
+++ .dummy 2010-08-23 17:38:50.000000000 +0000
@@ -0,0 +1 @@
+this is a dummy, remove if real changes are required
--- blogd.c
+++ blogd.c 2010-09-30 13:12:50.172426395 +0000
@@ -193,35 +193,16 @@ static void reconnect(int fd)
if (c->fd != fd) continue;
switch (c->fd) {
- case 1: /* Standard out */
- case 2: /* Standard error */
-
- if ((newfd = open(c->tty, O_WRONLY|O_NONBLOCK|O_NOCTTY)) < 0)
- error("can not open %s: %s\n", c->tty, strerror(errno));
-
- if (newfd != 1)
- dup2(newfd, 1);
- if (newfd != 2)
- dup2(newfd, 2);
- if (newfd > 2)
- close(newfd);
-
+ case 0:
+ case -1: /* Weired */
break;
-
- default: /* IO of further consoles */
-
+ default: /* IO of system consoles */
if ((newfd = open(c->tty, O_WRONLY|O_NONBLOCK|O_NOCTTY)) < 0)
error("can not open %s: %s\n", c->tty, strerror(errno));
-
- if (newfd != c->fd) {
- dup2(newfd, c->fd);
+ dup2(newfd, c->fd);
+ if (newfd != c->fd)
close(newfd);
- }
-
- case 0:
- case -1: /* Weired */
-
- break;
+ break;
}
}
}
@@ -418,10 +399,11 @@ int main(int argc, char *argv[])
err:
for (c = cons; c; c = c->next) {
if (c->fd > 0) {
- if (c->tlock > 1) /* write back lock if any */
- (void)ioctl(c->fd, TIOCSLCKTRMIOS, &c->ltio);
if (c->tlock) /* write back old setup */
tcsetattr(c->fd, TCSANOW, &c->otio);
+ if (c->tlock > 1) /* write back lock if any */
+ (void)ioctl(c->fd, TIOCSLCKTRMIOS, &c->ltio);
+ c->tlock = 0;
close(c->fd);
c->fd = -1;
}

View File

@ -1,4 +1,215 @@
--- .dummy
+++ .dummy 2010-08-23 17:38:50.000000000 +0000
@@ -0,0 +1 @@
+this is a dummy, remove if real changes are required
--- proc.c
+++ proc.c 2010-09-30 14:19:15.595926333 +0200
@@ -94,3 +94,74 @@ int read_proc(unsigned long int * const
return 0;
}
+struct console {
+ char * tty;
+ int tlock;
+ struct termios ltio, otio;
+ struct console *restrict next;
+};
+static struct console *restrict consoles;
+static dev_t comparedev;
+static char* scandev(DIR *dir)
+{
+ char *name = (char*)0;
+ struct dirent *dent;
+ int fd;
+
+ fd = dirfd(dir);
+ rewinddir(dir);
+ while ((dent = readdir(dir))) {
+ char path[PATH_MAX];
+ struct stat st;
+ if (fstatat(fd, dent->d_name, &st, 0) < 0)
+ continue;
+ if (!S_ISCHR(st.st_mode))
+ continue;
+ if (comparedev != st.st_rdev)
+ continue;
+ if ((size_t)snprintf(path, sizeof(path), "/dev/%s", dent->d_name) >= sizeof(path))
+ continue;
+ name = realpath(path, NULL);
+ break;
+ }
+ return name;
+}
+
+void detect_consoles(void)
+{
+ FILE *fc;
+ if ((fc = fopen("/proc/tty/consoles", "r"))) {
+ char fbuf[16];
+ int maj, min;
+ DIR *dir;
+ dir = opendir("/dev");
+ if (!dir)
+ goto out;
+ while ((fscanf(fc, "%*s %*s (%[^)]) %d:%d", &fbuf[0], &maj, &min) == 3)) {
+ struct console *restrict tail;
+ char * name;
+
+ if (!strchr(fbuf, 'E'))
+ continue;
+ comparedev = makedev(maj, min);
+ name = scandev(dir);
+
+ if (!name)
+ continue;
+
+ if (posix_memalign((void*)&tail, sizeof(void*), alignof(typeof(struct console))) != 0)
+ perror("memory allocation");
+
+ tail->next = (struct console*)0;
+ tail->tty = name;
+
+ if (!consoles)
+ consoles = tail;
+ else
+ consoles->next = tail;
+ }
+ closedir(dir);
+ out:
+ fclose(fc);
+ }
+}
--- proc.h
+++ proc.h 2010-09-30 14:41:35.271926120 +0200
@@ -19,5 +19,3 @@
extern int read_proc(unsigned long int *prcs_run, unsigned long int *prcs_blked);
extern void detect_consoles(void);
-extern void unraw_consoles(void);
-extern void raw_consoles(void);
--- startpar.c
+++ startpar.c 2010-09-30 15:01:50.787926081 +0200
@@ -241,14 +241,7 @@ void callsplash(int n, const char *path,
return;
}
- (void)sigemptyset(&nmask);
- (void)sigaddset(&nmask, SIGINT);
- (void)sigaddset(&nmask, SIGHUP);
- (void)sigaddset(&nmask, SIGQUIT);
- (void)sigaddset(&nmask, SIGSEGV);
- (void)sigaddset(&nmask, SIGTERM);
- (void)sigaddset(&nmask, SIGCHLD);
- (void)sigaddset(&nmask, SIGTTIN);
+ (void)sigfillset(&nmask);
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
(void)signal(SIGINT, SIG_DFL);
@@ -258,6 +251,7 @@ void callsplash(int n, const char *path,
(void)signal(SIGTERM, SIG_DFL);
(void)signal(SIGCHLD, SIG_DFL);
(void)signal(SIGTTIN, SIG_DFL);
+ (void)signal(SIGTTOU, SIG_DFL);
TEMP_FAILURE_RETRY(dup2(2, 1));
closeall();
@@ -456,14 +450,7 @@ void run(struct prg *p)
return;
}
- (void)sigemptyset(&nmask);
- (void)sigaddset(&nmask, SIGINT);
- (void)sigaddset(&nmask, SIGHUP);
- (void)sigaddset(&nmask, SIGQUIT);
- (void)sigaddset(&nmask, SIGSEGV);
- (void)sigaddset(&nmask, SIGTERM);
- (void)sigaddset(&nmask, SIGCHLD);
- (void)sigaddset(&nmask, SIGTTIN);
+ (void)sigfillset(&nmask);
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
(void)signal(SIGINT, SIG_DFL);
@@ -473,6 +460,7 @@ void run(struct prg *p)
(void)signal(SIGTERM, SIG_DFL);
(void)signal(SIGCHLD, SIG_DFL);
(void)signal(SIGTTIN, SIG_DFL);
+ (void)signal(SIGTTOU, SIG_DFL);
if (setpgid(0, 0))
perror("setpgid");
@@ -582,14 +570,7 @@ int run_single(const char *prg, const ch
{
sigset_t nmask;
- (void)sigemptyset(&nmask);
- (void)sigaddset(&nmask, SIGINT);
- (void)sigaddset(&nmask, SIGHUP);
- (void)sigaddset(&nmask, SIGQUIT);
- (void)sigaddset(&nmask, SIGSEGV);
- (void)sigaddset(&nmask, SIGTERM);
- (void)sigaddset(&nmask, SIGCHLD);
- (void)sigaddset(&nmask, SIGTTIN);
+ (void)sigfillset(&nmask);
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
(void)signal(SIGINT, SIG_DFL);
@@ -599,6 +580,7 @@ int run_single(const char *prg, const ch
(void)signal(SIGTERM, SIG_DFL);
(void)signal(SIGCHLD, SIG_DFL);
(void)signal(SIGTTIN, SIG_DFL);
+ (void)signal(SIGTTOU, SIG_DFL);
TEMP_FAILURE_RETRY(dup2(2, 1));
closeall();
@@ -632,19 +614,20 @@ void do_forward(void)
{
if (errno == EINTR)
continue;
+#if defined(DEBUG) && (DEBUG > 0)
perror("\n\rstartpar: forward read");
+#endif
break;
}
b = buf;
while (r > 0)
{
rr = write(1, b, r);
- if (rr == -1)
+ if (rr < 0)
{
if (errno == EINTR)
continue;
perror("\n\rstartpar: forward write");
- break;
rr = r;
}
r -= rr;
@@ -730,9 +713,23 @@ void detach(struct prg *p, const int sto
{
if ((pid = fork()) == 0)
{
+ sigset_t nmask;
+ (void)sigfillset(&nmask);
+ sigprocmask(SIG_UNBLOCK, &nmask, NULL);
+
+ (void)signal(SIGINT, SIG_DFL);
+ (void)signal(SIGHUP, SIG_DFL);
+ (void)signal(SIGQUIT, SIG_DFL);
+ (void)signal(SIGSEGV, SIG_DFL);
+ (void)signal(SIGTERM, SIG_DFL);
+ (void)signal(SIGCHLD, SIG_DFL);
+ (void)signal(SIGTTIN, SIG_DFL);
+ (void)signal(SIGTTOU, SIG_DFL);
+
TEMP_FAILURE_RETRY(dup2(p->fd, 0));
TEMP_FAILURE_RETRY(dup2(2, 1));
closeall();
+
execlp(myname, myname, "-f", "--", p->name, NULL);
do_forward();
}
@@ -833,6 +830,8 @@ int main(int argc, char **argv)
char *splashopt = 0;
sigset_t nmask, omask, smask;
+ detect_consoles();
+
(void)sigemptyset(&nmask);
(void)sigaddset(&nmask, SIGHUP);
sigprocmask(SIG_UNBLOCK, &nmask, NULL);

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@ -1,3 +1,13 @@
-------------------------------------------------------------------
Fri Oct 1 15:43:16 CEST 2010 - werner@suse.de
- blogd: correct order of setting back termios and termios locks
- startpar: avoid EIO in do_forward if do_forward becomes a
background process
- Make sure that after installation of /sbin/init the init
process does re-execute that is split %post into one for
the tools sub package and one of the main package
-------------------------------------------------------------------
Wed Sep 22 14:38:37 CEST 2010 - werner@suse.de

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@ -202,12 +202,14 @@ popd
%preun tools
%stop_on_removal powered
%post tools
%post
if test -x /sbin/telinit -a -p /dev/initctl -a -f /proc/1/exe -a -d /proc/1/root -a ! -d /.build ; then
if test $(stat -Lc '%%D-%%i' /) = $(stat -Lc '%%D-%%i' /proc/1/root) ; then
/sbin/telinit u
fi
fi
%post tools
if test -x /sbin/mkinitrd_setup; then
mkinitrd_setup
fi