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OBS-URL: https://build.opensuse.org/package/show/Base:System/sysvinit?expand=0&rev=138
This commit is contained in:
Dr. Werner Fink 2011-09-01 13:21:55 +00:00 committed by Git OBS Bridge
parent 0778c81882
commit 17b3f918f8
5 changed files with 10 additions and 689 deletions
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683
showconsole-1.14.dif
View File

@ -1,683 +0,0 @@
--- blogd.8
+++ blogd.8 2011-04-19 11:59:52.704425678 +0000
@@ -65,7 +65,7 @@ says
that it should stop writing to disk but
continue to repeat messages to the old
devices of the system console.
-\."
+.\"
.SH BUGS
.B blogd
needs a mounted
--- blogd.c
+++ blogd.c 2011-04-20 11:13:46.799926099 +0000
@@ -41,6 +41,7 @@
# define _POSIX_MAX_CANON 255
#endif
extern volatile sig_atomic_t nsigsys;
+extern volatile sig_atomic_t signaled;
static const char console[] = "/dev/console";
@@ -66,7 +67,7 @@ void error (const char *fmt, ...)
_logger(fmt, ap);
va_end(ap);
popd();
- exit (1);
+ exit(EXIT_FAILURE);
}
/*
@@ -122,7 +123,6 @@ static struct sigaction saved_sigint;
static struct sigaction saved_sigquit;
static struct sigaction saved_sigterm;
static struct sigaction saved_sigsys;
-static volatile sig_atomic_t signaled = 0;
static void sighandle(int sig)
{
@@ -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);
-exit(0);
+
(void)ioctl(0, TIOCCONS, NULL); /* Undo any current map if any */
close(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;
- if (tcgetattr(cons->fd, &cons->otio) < 0)
+ if (tcgetattr(c->fd, &c->otio) < 0)
continue;
c->tlock = 1;
-#if 1
+
iflag = c->otio.c_iflag;
oflag = c->otio.c_oflag;
- c->otio.c_iflag |= (ICRNL | IGNBRK);
- c->otio.c_iflag &= ~(INLCR | IGNCR | BRKINT);
- c->otio.c_oflag |= (ONLCR | OPOST);
- c->otio.c_oflag &= ~(OCRNL | ONLRET);
- (void)tcsetattr(cons->fd, TCSADRAIN, &cons->otio);
+ if (ioctl(c->fd, TIOCMGET, &flags) == 0) {
+ ispeed = cfgetispeed(&c->otio);
+ ospeed = cfgetospeed(&c->otio);
+
+ c->otio.c_iflag = c->otio.c_lflag = 0;
+ c->otio.c_oflag = (ONLCR | OPOST);
+ c->otio.c_cflag = CREAD | CS8 | HUPCL | (c->otio.c_cflag & CLOCAL);
+
+ cfsetispeed(&c->otio, ispeed);
+ cfsetospeed(&c->otio, ospeed);
+ } else {
+ c->otio.c_iflag |= (ICRNL | IGNBRK);
+ c->otio.c_iflag &= ~(INLCR | IGNCR | BRKINT);
+ c->otio.c_oflag |= (ONLCR | OPOST);
+ c->otio.c_oflag &= ~(OCRNL | ONLRET);
+ }
+ (void)tcsetattr(c->fd, TCSADRAIN, &c->otio);
c->otio.c_iflag = iflag;
c->otio.c_oflag = oflag;
-#endif
+
if ((c->otio.c_lflag & ICANON) == 0) {
c->otio.c_lflag |= ICANON | IEXTEN | ISIG | ECHO|ECHOE|ECHOK|ECHOKE;
c->otio.c_oflag |= OPOST;
@@ -384,20 +414,6 @@ exit(0);
}
}
- 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);
-
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);
- _exit(0); /* NEVER rise exit handlers here */
+ _exit(EXIT_SUCCESS); /* NEVER rise exit handlers here */
}
atexit(flush_handler); /* Register flush exit handler */
@@ -436,7 +452,7 @@ exit(0);
while (!signaled)
safeIO();
- exit(0); /* Raise exit handlers */
+ exit(EXIT_SUCCESS); /* Raise exit handlers */
}
static void flush_handler (void)
--- isserial.8
+++ isserial.8 2011-04-19 11:59:52.772425964 +0000
@@ -32,7 +32,7 @@ is
if
.B stdin
is a serial line otherwise not.
-\."
+.\"
.SH FILES
.TP
.I /dev/console
--- libblogger.c
+++ libblogger.c 2011-08-01 14:32:47.599926864 +0000
@@ -15,6 +15,7 @@
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
+#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@@ -40,9 +41,58 @@
#define ESNS "skipped" /* Skipped */
#define ESNU "unused" /* Unused */
+static struct sigaction saved_sigpipe;
+static volatile sig_atomic_t broken = 0;
static int fdfifo = -1;
static char * fifo_name = _PATH_BLOG_FIFO;
+static void sigpipe(int sig __attribute__((__unused__)))
+{
+ broken++;
+}
+
+static void set_signal(int sig, struct sigaction *old, sighandler_t handler)
+{
+ do {
+ if (sigaction(sig, NULL, old) == 0)
+ break;
+ } while (errno == EINTR);
+
+ if (old && old->sa_handler != handler) {
+ struct sigaction new;
+ sigset_t sigset;
+
+ new.sa_handler = handler;
+ sigemptyset(&new.sa_mask);
+ new.sa_flags = SA_RESTART;
+ do {
+ if (sigaction(sig, &new, NULL) == 0)
+ break;
+ } while (errno == EINTR);
+
+ sigemptyset(&sigset);
+ sigaddset(&sigset, sig);
+ sigprocmask(SIG_UNBLOCK, &sigset, NULL);
+ }
+}
+
+static void reset_signal(int sig, struct sigaction *old)
+{
+ struct sigaction cur;
+
+ do {
+ if (sigaction(sig, NULL, &cur) == 0)
+ break;
+ } while (errno == EINTR);
+
+ if (old && old->sa_handler == cur.sa_handler) {
+ do {
+ if (sigaction(sig, old, NULL) == 0)
+ break;
+ } while (errno == EINTR);
+ }
+}
+
static int bootlog_init(const int lvl __attribute__((__unused__)))
{
int ret = -1;
@@ -57,6 +107,8 @@ static int bootlog_init(const int lvl __
if ((fdfifo = open(fifo_name, O_WRONLY|O_NONBLOCK|O_NOCTTY|O_CLOEXEC)) < 0)
goto out;
+ set_signal(SIGPIPE, &saved_sigpipe, sigpipe);
+
ret = 0;
out:
return ret;
@@ -66,6 +118,9 @@ void closeblog()
{
if (fdfifo < 0)
goto out;
+
+ reset_signal(SIGPIPE, &saved_sigpipe);
+
(void)close(fdfifo);
out:
return;
@@ -77,6 +132,7 @@ int bootlog(const int lvl, const char *f
int ret = -1;
char * head = ESNN;
char buf[4096];
+ sigset_t blockpipe, oldpipe;
if (fdfifo < 0 && bootlog_init(lvl) < 0)
goto out;
@@ -106,6 +162,9 @@ int bootlog(const int lvl, const char *f
break;
}
+ sigprocmask(SIG_BLOCK, &blockpipe, &oldpipe);
+ if (broken)
+ goto pipe;
if (head) {
const struct tm *local;
struct timeval now;
@@ -124,6 +183,8 @@ int bootlog(const int lvl, const char *f
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
write(fdfifo, buf, strlen(buf));
+pipe:
+ sigprocmask(SIG_SETMASK, &oldpipe, NULL);
out:
return ret;
}
--- libconsole.c
+++ libconsole.c 2011-08-01 14:00:51.311926463 +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;
+
+/*
+ * Error raised in exit handler should not call exit(3) its self
+ */
+#define lerror(fmt, args...) \
+ do { \
+ if (signaled) { \
+ warn(fmt, args); \
+ goto out; \
+ } error(fmt, args); \
+ } while (0)
+
+/*
* push and popd direcotry changes
*/
@@ -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);
- exit (0);
+ if (signaled)
+ goto out;
+ exit(EXIT_SUCCESS);
}
if (errno == EINTR) {
errno = 0;
@@ -192,8 +215,9 @@ static inline void safeout (int fd, cons
int ret;
fd_set check;
- if (repeated++ > 1000)
- error("repeated error on writing to fd %d: %m\n", fd);
+ if (repeated++ > 1000) {
+ lerror("repeated error on writing to fd %d: %m\n", fd);
+ }
FD_ZERO (&check);
FD_SET (fd, &check);
@@ -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));
- if (ret < 0)
- error("can not write to fd %d: %m\n", fd);
+ if (ret < 0) {
+ lerror("can not write to fd %d: %m\n", fd);
+ }
errno = 0;
continue;
}
if (errno == EIO) {
- if ((eiocount++ > 10) || !vc_reconnect)
- error("can not write to fd %d: %m\n", fd);
+ if ((eiocount++ > 10) || !vc_reconnect) {
+ lerror("can not write to fd %d: %m\n", fd);
+ }
(*vc_reconnect)(fd);
errno = 0;
continue;
}
- error("can not write to fd %d: %m\n", fd);
+ lerror("can not write to fd %d: %m\n", fd);
}
repeated = 0;
ptr += p;
s -= p;
}
+out:
errno = saveerr;
}
@@ -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) {
- if (noerr)
+ if (noerr || signaled)
goto out;
if (fd == 0 && errno == EIO)
warn("\e[31m\e[1msystem console stolen at line %d!\e[m\n", __LINE__);
- error("Can not read from fd %d: %m\n", fd);
+ lerror("Can not read from fd %d: %m\n", fd);
}
goto out;
@@ -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) {
- if (repeated++ > 1000)
- error("Repeated error on reading from fd %d: %m\n", fd);
+ if (repeated++ > 1000) {
+ lerror("Repeated error on reading from fd %d: %m\n", fd);
+ }
if (errno == EINTR || errno == EAGAIN) {
errno = 0;
continue;
}
- if (noerr)
+ if (noerr || signaled)
goto out;
if (fd == 0 && errno == EIO)
warn("\e[31m\e[1msystem console stolen at line %d!\e[m\n", __LINE__);
- error("Can not read from fd %d: %m\n", fd);
+ lerror("Can not read from fd %d: %m\n", fd);
}
repeated = 0;
ptr += p;
@@ -302,7 +330,7 @@ out:
/*
* The stdio file pointer for our log file
*/
-struct console *restrict cons;
+struct console *cons;
static FILE * flog = NULL;
static int fdread = -1;
static int fdfifo = -1;
@@ -310,7 +338,7 @@ static int fdfifo = -1;
/*
* Signal control for writing on log file
*/
-volatile sig_atomic_t nsigsys = 0;
+volatile sig_atomic_t nsigsys;
static volatile sig_atomic_t nsigio = -1;
static sigset_t save_oldset;
@@ -402,7 +430,7 @@ xout:
static inline void writelog(void)
{
if (!flog)
- goto xout;
+ return;
clearerr(flog);
lock(&llock);
while (avail > 0) {
@@ -411,8 +439,8 @@ static inline void writelog(void)
if (avail > TRANS_BUFFER_SIZE)
ret = TRANS_BUFFER_SIZE;
- if (!flog)
- goto xout;;
+ if (!flog || nsigsys)
+ break;
ret = fwrite(head, sizeof(unsigned char), ret, flog);
if (!ret && ferror(flog))
break;
@@ -429,12 +457,10 @@ static inline void writelog(void)
}
}
unlock(&llock);
- if (!flog)
- goto xout;;
- fflush(flog);
- fdatasync(fileno(flog));
-xout:
- return;
+ if (flog) {
+ fflush(flog);
+ fdatasync(fileno(flog));
+ }
}
static inline void flushlog(void)
@@ -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;
- if (errno != EINTR)
- error ("select(): %m\n");
+ timeout->tv_nsec = 0;
+ if (nfds < 0 && errno != EINTR && !signaled)
+ error ("pselect(): %m\n");
goto nothing;
}
- 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;
}
- if ((flog = fdopen (log, "a")) == NULL)
- error("Can not open %s: %m\n", BOOT_LOGFILE);
+ lock(&llock);
+ if ((flog = fdopen (log, "a")) == NULL) {
+ unlock(&llock);
+ error("Can not open %s: %m\n", BOOT_LOGFILE);
+ }
+ unlock(&llock);
nsigio = SIGIO; /* We do not need a signal handler */
(void)signal(SIGIO, SIG_IGN);
@@ -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);
}
- if (!flog)
- goto xout;
-
- writelog();
-
- if (!nl)
- fputc('\n', flog);
-
- if (!flog)
- goto xout;
-
- (void)fclose(flog);
+ if (flog) {
+ writelog();
+ if (!nl)
+ fputc('\n', flog);
+ (void)fclose(flog);
+ }
+ lock(&llock);
flog = NULL;
-xout:
+ unlock(&llock);
+
if (fdfifo >= 0) {
close(fdfifo);
fdfifo = -1;
@@ -1101,7 +1130,7 @@ static dev_t fallback(const pid_t pid, c
printf("|%u|%u|", tty, ttypgrp); /* stdout to pipe synchronize ... */
- exit(0);
+ exit(EXIT_SUCCESS);
} break;
case -1:
error("can not execute: %m\n");
@@ -1463,6 +1492,10 @@ static void consalloc(struct console *re
return;
}
tail->next = newc;
+ tail->tlock = 0;
+ tail->max_canon = _POSIX_MAX_CANON;
+ memset(&tail->ltio, 0, sizeof(tail->ltio));
+ memset(&tail->otio, 0, sizeof(tail->otio));
tail = tail->next;
if ((flags = fcntl(newc->fd, F_GETFL)) < 0)
--- libconsole.h
+++ libconsole.h 2011-03-31 14:47:22.755926508 +0000
@@ -39,7 +39,7 @@ struct console {
int fd, tlock;
ssize_t max_canon;
struct termios ltio, otio;
- struct console *restrict next;
+ struct console * next;
};
extern void error (const char *fmt, ...) attribute((__noreturn__, __format__(__printf__, 1, 2)));
extern void warn (const char *fmt, ...) attribute((__format__(__printf__, 1, 2)));
@@ -50,6 +50,6 @@ extern void secondtty(struct console *re
extern void prepareIO(void (*rfunc)(int), void (*pfunc)(void), const pid_t, const int);
extern void safeIO (void);
extern void closeIO(void);
-extern struct console *restrict cons;
+extern struct console *cons;
#define alignof(type) ((sizeof(type)+(sizeof(void*)-1)) & ~(sizeof(void*)-1))
#define strsize(string) ((strlen(string)+1)*sizeof(char))
--- showconsole.8
+++ showconsole.8 2011-04-19 11:59:52.844425538 +0000
@@ -41,7 +41,7 @@ Without any argument or the option
the
.B setconsole
undo any redirection.
-\."
+.\"
.SH OPTIONS
.TP
.B \-n
@@ -50,7 +50,7 @@ the device file name. This can be used
kernel for the major and minor device numbers of a not
existing device file in
.IR /dev .
-\."
+.\"
.SH BUGS
.B showconsole
needs a mounted

3
showconsole-1.14.tar.bz2
View File

@ -1,3 +0,0 @@
version https://git-lfs.github.com/spec/v1
oid sha256:4ecf3c293a658838c0477bbf1a90b1c4fb4558bc1f90b3ed7487141c81209857
size 25144

4
showconsole-1.15.dif Normal file
View File

@ -0,0 +1,4 @@
--- .#nothing
+++ .#nothing 2011-09-01 11:59:52.000000000 +0000
@@ -0,0 +1 @@
+Please remove if patched

3
showconsole-1.15.tar.bz2 Normal file
View File

@ -0,0 +1,3 @@
version https://git-lfs.github.com/spec/v1
oid sha256:24074b56e133f3136b9654a6e5950d8582b9e6cf7c4e8af5bf4cc09728db6028
size 25634

6
sysvinit.spec
View File

@ -22,7 +22,7 @@ Name: sysvinit
%define MGVER 0.9.6s
%define PDVER 2.0.2
%define KPVER 2.19
%define SCVER 1.14
%define SCVER 1.15
%define SIVER 2.88+
%define START 0.57
License: GPLv2+
@ -37,7 +37,7 @@ Url: http://savannah.nongnu.org/projects/sysvinit/
Source: http://download.savannah.gnu.org/releases/sysvinit/sysvinit-2.88+dsf.tar.bz2
Source2: killproc-2.19.tar.bz2
Source3: powerd-2.0.2.tar.bz2
Source4: showconsole-1.14.tar.bz2
Source4: showconsole-1.15.tar.bz2
Source5: startpar-0.57.tar.bz2
Source6: rc.powerd
Source7: sysvinit-rpmlintrc
@ -56,7 +56,7 @@ Patch8: sysvinit-2.88+dsf-blowfish.dif
Patch20: powerd-2.0.2.dif
Patch21: powerd-2.0.2-getaddrinfo.patch
Patch30: killproc-2.19.dif
Patch40: showconsole-1.14.dif
Patch40: showconsole-1.15.dif
Patch50: startpar-0.57.dif
Requires: sysvinit-tools
Provides: sbin_init