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OBS-URL: https://build.opensuse.org/package/show/Base:System/sysvinit?expand=0&rev=122
This commit is contained in:
Dr. Werner Fink 2011-04-20 11:23:19 +00:00 committed by Git OBS Bridge
parent 21e3e4d8dc
commit 83457e257d
3 changed files with 222 additions and 40 deletions
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215
showconsole-1.14.dif
View File

@ -10,7 +10,7 @@
.B blogd
needs a mounted
--- blogd.c
+++ blogd.c 2011-04-19 11:59:52.736425469 +0000
+++ blogd.c 2011-04-20 11:13:46.799926099 +0000
@@ -41,6 +41,7 @@
# define _POSIX_MAX_CANON 255
#endif
@ -36,7 +36,18 @@
static void sighandle(int sig)
{
@@ -336,7 +336,7 @@ int main(int argc, char *argv[])
@@ -318,6 +318,10 @@ int main(int argc, char *argv[])
cfmakeraw(&o);
cfsetispeed(&o, ispeed);
cfsetospeed(&o, ospeed);
+ o.c_lflag &= ~ECHO;
+ o.c_lflag |= ISIG;
+ o.c_cc[VTIME] = 0;
+ o.c_cc[VMIN] = CMIN;
if (openpty(&ptm, &pts, ptsname, &o, &w) < 0)
error("can not open pty/tty pair: %m\n");
@@ -336,7 +340,7 @@ int main(int argc, char *argv[])
dup2(0, 2);
secondtty(cons, st.st_rdev);
@ -45,7 +56,28 @@
(void)ioctl(0, TIOCCONS, NULL); /* Undo any current map if any */
close(0);
@@ -351,22 +351,34 @@ exit(0);
@@ -344,6 +348,20 @@ exit(0);
error("can not set console device to %s: %m\n", ptsname);
close(pts);
+ signaled = nsigsys = 0;
+ set_signal(SIGTTIN, &saved_sigttin, SIG_IGN);
+ set_signal(SIGTTOU, &saved_sigttou, SIG_IGN);
+ set_signal(SIGTSTP, &saved_sigtstp, SIG_IGN);
+ set_signal(SIGHUP, &saved_sighup, SIG_IGN);
+ set_signal(SIGINT, &saved_sigint, sighandle);
+ set_signal(SIGQUIT, &saved_sigquit, sighandle);
+ set_signal(SIGTERM, &saved_sigterm, sighandle);
+ set_signal(SIGSYS, &saved_sigsys, sigsys);
+ (void)siginterrupt(SIGINT, 0);
+ (void)siginterrupt(SIGQUIT, 0);
+ (void)siginterrupt(SIGTERM, 0);
+ (void)siginterrupt(SIGSYS, 0);
+
for (c = cons; c; c = c->next) {
int iflag, oflag;
#ifdef _PC_MAX_CANON
@@ -351,22 +369,34 @@ exit(0);
#endif
c->max_canon = _POSIX_MAX_CANON;
c->tlock = 0;
@ -88,16 +120,28 @@
if ((c->otio.c_lflag & ICANON) == 0) {
c->otio.c_lflag |= ICANON | IEXTEN | ISIG | ECHO|ECHOE|ECHOK|ECHOKE;
c->otio.c_oflag |= OPOST;
@@ -384,7 +396,7 @@ exit(0);
@@ -384,20 +414,6 @@ exit(0);
}
}
- nsigsys = 0;
+ signaled = nsigsys = 0;
set_signal(SIGTTIN, &saved_sigttin, SIG_IGN);
set_signal(SIGTTOU, &saved_sigttou, SIG_IGN);
set_signal(SIGTSTP, &saved_sigtstp, SIG_IGN);
@@ -427,7 +439,7 @@ exit(0);
- set_signal(SIGTTIN, &saved_sigttin, SIG_IGN);
- set_signal(SIGTTOU, &saved_sigttou, SIG_IGN);
- set_signal(SIGTSTP, &saved_sigtstp, SIG_IGN);
- set_signal(SIGHUP, &saved_sighup, SIG_IGN);
- set_signal(SIGINT, &saved_sigint, sighandle);
- set_signal(SIGQUIT, &saved_sigquit, sighandle);
- set_signal(SIGTERM, &saved_sigterm, sighandle);
- set_signal(SIGSYS, &saved_sigsys, sigsys);
- (void)siginterrupt(SIGINT, 0);
- (void)siginterrupt(SIGQUIT, 0);
- (void)siginterrupt(SIGTERM, 0);
- (void)siginterrupt(SIGSYS, 0);
-
atexit(exit_handler); /* Register main exit handler */
switch ((pid = fork())) {
@@ -427,7 +443,7 @@ exit(0);
}
fprintf(stdout, "\rBoot logging started on %s(%s) at %.24s\n", tty, console, stt);
fflush(stdout);
@ -106,7 +150,7 @@
}
atexit(flush_handler); /* Register flush exit handler */
@@ -436,7 +448,7 @@ exit(0);
@@ -436,7 +452,7 @@ exit(0);
while (!signaled)
safeIO();
@ -127,11 +171,16 @@
.TP
.I /dev/console
--- libconsole.c
+++ libconsole.c 2011-04-19 12:16:38.307927219 +0000
@@ -59,6 +59,22 @@
+++ libconsole.c 2011-04-20 11:13:46.815926166 +0000
@@ -59,6 +59,27 @@
#include "listing.h"
/*
+ * Used to ignore some signals during pselect(2)
+ */
+static sigset_t omask;
+
+/*
+ * Remember if we're signaled.
+ */
+volatile sig_atomic_t signaled;
@ -151,7 +200,7 @@
* push and popd direcotry changes
*/
@@ -182,7 +198,9 @@ static inline void safeout (int fd, cons
@@ -182,7 +203,9 @@ static inline void safeout (int fd, cons
if (p < 0) {
if (errno == EPIPE) {
warn("error on writing to fd %d: %m\n", fd);
@ -162,7 +211,7 @@
}
if (errno == EINTR) {
errno = 0;
@@ -192,8 +210,9 @@ static inline void safeout (int fd, cons
@@ -192,8 +215,9 @@ static inline void safeout (int fd, cons
int ret;
fd_set check;
@ -174,7 +223,14 @@
FD_ZERO (&check);
FD_SET (fd, &check);
@@ -206,25 +225,28 @@ static inline void safeout (int fd, cons
@@ -201,30 +225,33 @@ static inline void safeout (int fd, cons
/* Avoid high load: wait upto two seconds if system is not ready */
errno = 0;
do {
- struct timeval two = {2, 0};
- ret = select(fd + 1, (fd_set*)0, &check, (fd_set*)0, &two);
+ struct timespec two = {2, 0};
+ ret = pselect(fd + 1, (fd_set*)0, &check, (fd_set*)0, &two, &omask);
} while ((ret < 0) && (errno == EINTR));
@ -208,7 +264,24 @@
errno = saveerr;
}
@@ -260,11 +282,11 @@ static inline ssize_t safein (int fd, ch
@@ -244,14 +271,14 @@ static inline ssize_t safein (int fd, ch
t=0;
if ((ioctl(fd, FIONREAD, &t) < 0) || (t == 0)) {
fd_set check;
- struct timeval zero = {0, 0};
+ struct timespec zero = {0, 0};
do {
FD_ZERO (&check);
FD_SET (fd, &check);
/* Avoid deadlock: do not read if nothing is in there */
- if (select(fd + 1, &check, (fd_set*)0, (fd_set*)0, &zero) <= 0)
+ if (pselect(fd + 1, &check, (fd_set*)0, (fd_set*)0, &zero, &omask) <= 0)
break;
r = read (fd, ptr, s);
@@ -260,11 +287,11 @@ static inline ssize_t safein (int fd, ch
/* Do not exit on a broken FIFO */
if (r < 0 && errno != EPIPE) {
@ -222,7 +295,7 @@
}
goto out;
@@ -277,17 +299,18 @@ static inline ssize_t safein (int fd, ch
@@ -277,17 +304,18 @@ static inline ssize_t safein (int fd, ch
while (t > 0) {
ssize_t p = read (fd, ptr, t);
if (p < 0) {
@ -245,7 +318,7 @@
}
repeated = 0;
ptr += p;
@@ -302,7 +325,7 @@ out:
@@ -302,7 +330,7 @@ out:
/*
* The stdio file pointer for our log file
*/
@ -254,7 +327,7 @@
static FILE * flog = NULL;
static int fdread = -1;
static int fdfifo = -1;
@@ -310,7 +333,7 @@ static int fdfifo = -1;
@@ -310,7 +338,7 @@ static int fdfifo = -1;
/*
* Signal control for writing on log file
*/
@ -263,7 +336,7 @@
static volatile sig_atomic_t nsigio = -1;
static sigset_t save_oldset;
@@ -402,7 +425,7 @@ xout:
@@ -402,7 +430,7 @@ xout:
static inline void writelog(void)
{
if (!flog)
@ -272,7 +345,7 @@
clearerr(flog);
lock(&llock);
while (avail > 0) {
@@ -412,7 +435,7 @@ static inline void writelog(void)
@@ -412,7 +440,7 @@ static inline void writelog(void)
ret = TRANS_BUFFER_SIZE;
if (!flog)
@ -281,7 +354,7 @@
ret = fwrite(head, sizeof(unsigned char), ret, flog);
if (!ret && ferror(flog))
break;
@@ -429,12 +452,10 @@ static inline void writelog(void)
@@ -429,12 +457,10 @@ static inline void writelog(void)
}
}
unlock(&llock);
@ -298,16 +371,63 @@
}
static inline void flushlog(void)
@@ -808,7 +829,7 @@ static void more_input (struct timeval *
if (nfds < 0) {
@@ -771,6 +797,12 @@ void prepareIO(void (*rfunc)(int), void
pgroup = pgrp;
fdread = in;
+ (void)sigfillset(&omask);
+ (void)sigdelset(&omask, SIGQUIT);
+ (void)sigdelset(&omask, SIGTERM);
+ (void)sigdelset(&omask, SIGSYS);
+ (void)sigdelset(&omask, SIGIO);
+
if (fifo_name && fdfifo < 0) {
struct stat st;
errno = 0;
@@ -789,7 +821,7 @@ void prepareIO(void (*rfunc)(int), void
/*
* Seek for input, more input ...
*/
-static void more_input (struct timeval *timeout, const int noerr)
+static void more_input (struct timespec *timeout, const int noerr)
{
fd_set watch;
int nfds, wfds;
@@ -803,19 +835,16 @@ static void more_input (struct timeval *
} else
wfds = fdread + 1;
- nfds = select(wfds, &watch, (fd_set*)0, (fd_set*)0, timeout);
+ nfds = pselect(wfds, &watch, (fd_set*)0, (fd_set*)0, timeout, &omask);
- if (nfds < 0) {
+ if (nfds <= 0) {
timeout->tv_sec = 0;
timeout->tv_usec = 0;
- timeout->tv_usec = 0;
- if (errno != EINTR)
+ if (errno != EINTR && !signaled)
error ("select(): %m\n");
- error ("select(): %m\n");
+ timeout->tv_nsec = 0;
+ if (nfds < 0 && errno != EINTR && !signaled)
+ error ("pselect(): %m\n");
goto nothing;
}
@@ -898,8 +919,12 @@ void safeIO (void)
- if (!nfds)
- goto nothing;
-
if (FD_ISSET(fdread, &watch)) {
const ssize_t cnt = safein(fdread, (char*)trans, sizeof(trans), noerr);
static struct winsize owz;
@@ -863,7 +892,7 @@ nothing:
*/
void safeIO (void)
{
- struct timeval timeout;
+ struct timespec timeout;
static int log = -1;
if (!nsigio) /* signal handler set but no signal recieved */
@@ -898,8 +927,12 @@ void safeIO (void)
(*vr_access)();
vr_access = NULL;
}
@ -322,7 +442,40 @@
nsigio = SIGIO; /* We do not need a signal handler */
(void)signal(SIGIO, SIG_IGN);
@@ -998,20 +1023,16 @@ void closeIO(void)
@@ -927,7 +960,7 @@ skip:
}
timeout.tv_sec = 5;
- timeout.tv_usec = 0;
+ timeout.tv_nsec = 0;
more_input(&timeout, 0);
if (flog && !running) {
@@ -958,7 +991,7 @@ skip:
*/
void closeIO(void)
{
- struct timeval timeout;
+ struct timespec timeout;
struct console * c;
int n = 240;
@@ -983,12 +1016,12 @@ void closeIO(void)
n--;
timeout.tv_sec = 0;
- timeout.tv_usec = 25*1000;
+ timeout.tv_nsec = 25*1000*1000;
more_input(&timeout, 1);
(void)tcdrain(fdread);
- } while (timeout.tv_sec || timeout.tv_usec);
+ } while (timeout.tv_sec || timeout.tv_nsec);
if (running) {
lock(&ljoin);
@@ -998,20 +1031,16 @@ void closeIO(void)
pthread_cancel(lthread);
}
@ -352,7 +505,7 @@
if (fdfifo >= 0) {
close(fdfifo);
fdfifo = -1;
@@ -1101,7 +1122,7 @@ static dev_t fallback(const pid_t pid, c
@@ -1101,7 +1130,7 @@ static dev_t fallback(const pid_t pid, c
printf("|%u|%u|", tty, ttypgrp); /* stdout to pipe synchronize ... */
@ -361,7 +514,7 @@
} break;
case -1:
error("can not execute: %m\n");
@@ -1463,6 +1484,10 @@ static void consalloc(struct console *re
@@ -1463,6 +1492,10 @@ static void consalloc(struct console *re
return;
}
tail->next = newc;

37
startpar-0.57.dif
View File

@ -121,7 +121,7 @@
-extern void unraw_consoles(void);
-extern void raw_consoles(void);
--- startpar.c
+++ startpar.c 2011-03-11 15:59:16.000000000 +0000
+++ startpar.c 2011-04-20 11:13:07.375925983 +0000
@@ -52,6 +52,12 @@
#include <string.h>
#include <stdlib.h>
@ -183,7 +183,7 @@
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
(void)signal(SIGINT, SIG_DFL);
@@ -473,6 +467,7 @@ void run(struct prg *p)
@@ -473,12 +467,14 @@ void run(struct prg *p)
(void)signal(SIGTERM, SIG_DFL);
(void)signal(SIGCHLD, SIG_DFL);
(void)signal(SIGTTIN, SIG_DFL);
@ -191,16 +191,28 @@
if (setpgid(0, 0))
perror("setpgid");
@@ -486,7 +481,7 @@ void run(struct prg *p)
if (m && p->fd)
{
+ sigset_t smask, omask;
TEMP_FAILURE_RETRY(close(1));
if (open(m, O_RDWR) != 1)
{
@@ -486,8 +482,12 @@ void run(struct prg *p)
_exit(1);
}
TEMP_FAILURE_RETRY(dup2(1, 2));
- if (tcsetattr(1, TCSANOW, &tio))
+ sigemptyset(&smask);
+ sigaddset(&smask, SIGTTOU);
+ sigprocmask(SIG_BLOCK, &smask, &omask);
+ if (tcsetattr(1, TCSANOW, &tio) && errno != ENOTTY)
perror("tcsetattr");
+ sigprocmask(SIG_SETMASK, &omask, NULL);
if (wzok)
ioctl(1, TIOCSWINSZ, &wz);
@@ -582,14 +577,7 @@ int run_single(const char *prg, const ch
putenv(sz.env_row);
@@ -582,14 +582,7 @@ int run_single(const char *prg, const ch
{
sigset_t nmask;
@ -216,7 +228,7 @@
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
(void)signal(SIGINT, SIG_DFL);
@@ -599,6 +587,7 @@ int run_single(const char *prg, const ch
@@ -599,6 +592,7 @@ int run_single(const char *prg, const ch
(void)signal(SIGTERM, SIG_DFL);
(void)signal(SIGCHLD, SIG_DFL);
(void)signal(SIGTTIN, SIG_DFL);
@ -224,7 +236,7 @@
TEMP_FAILURE_RETRY(dup2(2, 1));
closeall();
@@ -632,19 +621,20 @@ void do_forward(void)
@@ -632,19 +626,20 @@ void do_forward(void)
{
if (errno == EINTR)
continue;
@ -247,7 +259,7 @@
rr = r;
}
r -= rr;
@@ -730,9 +720,23 @@ void detach(struct prg *p, const int sto
@@ -730,9 +725,23 @@ void detach(struct prg *p, const int sto
{
if ((pid = fork()) == 0)
{
@ -271,7 +283,7 @@
execlp(myname, myname, "-f", "--", p->name, NULL);
do_forward();
}
@@ -833,6 +837,8 @@ int main(int argc, char **argv)
@@ -833,6 +842,8 @@ int main(int argc, char **argv)
char *splashopt = 0;
sigset_t nmask, omask, smask;
@ -280,7 +292,7 @@
(void)sigemptyset(&nmask);
(void)sigaddset(&nmask, SIGHUP);
sigprocmask(SIG_UNBLOCK, &nmask, NULL);
@@ -1015,7 +1021,8 @@ int main(int argc, char **argv)
@@ -1015,10 +1026,15 @@ int main(int argc, char **argv)
if (tcgetattr(0, &tio))
{
@ -290,3 +302,10 @@
tcgetattr(2, &tio);
}
cfmakeraw(&tio);
+ tio.c_lflag &= ~ECHO;
+ tio.c_lflag |= ISIG;
+ tio.c_cc[VTIME] = 0;
+ tio.c_cc[VMIN] = CMIN;
if (ioctl(0, TIOCGWINSZ, &wz) == 0)
wzok = 1;

10
sysvinit.changes
View File

@ -1,3 +1,13 @@
------------------------------------------------------------------
Wed Apr 20 13:14:43 CEST 2011 - werner@suse.de
- Aoid possible trouble due raw pts/ptmx terminal line in both
blogd and startpar
- Block SIGTTOU during tcsetattr(3) library call in both blogd
and startpar
- Replace select(2) with pselect(2) in blogd and ensure that
the timeout structure will be reseted after a timeout
------------------------------------------------------------------
Tue Apr 19 15:51:23 CEST 2011 - werner@suse.de