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Improve my hack from rev 1.6 of displayq.c, and make the TCP

Browse source 
connection timeout controllable by a new printcap(5) capability named
`ct' (connectiom timeout), defaulting to 120 seconds (which is the
default TCP connection timeout).

Would anybody see a problem with merging all this into RELENG_2_2?
This commit is contained in:
Joerg Wunsch 1997-10-14 16:01:02 +00:00
parent 41212cf265
commit 83f31ab169
9 changed files with 58 additions and 4 deletions
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3
share/man/man5/printcap.5
View file

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)printcap.5 8.2 (Berkeley) 12/11/93
.\" $Id: printcap.5,v 1.10 1997/04/12 04:23:02 brian Exp $
.\" $Id: printcap.5,v 1.11 1997/05/08 15:31:39 joerg Exp $
.\"
.Dd December 11, 1993
.Dt PRINTCAP 5
@ -78,6 +78,7 @@ for a description of the file layout.
.Pf ( Xr ioctl 2
call)
.It "cf str" Ta Dv NULL Ta No "cifplot data filter"
.It "ct num 120 TCP connection timeout in seconds"
.It "df str" Ta Dv NULL Ta No "tex data filter"
.Pf ( Tn DVI
format)

1
usr.sbin/lpr/common_source/common.c
View file

@ -64,6 +64,7 @@ static char sccsid[] = "@(#)common.c 8.5 (Berkeley) 4/28/95";
char *AF; /* accounting file */
long BR; /* baud rate if lp is a tty */
char *CF; /* name of cifplot filter (per job) */
long CT; /* TCP connection timeout */
char *DF; /* name of tex filter (per job) */
long DU; /* daeomon user-id */
char *FF; /* form feed string */

4
usr.sbin/lpr/common_source/displayq.c
View file

@ -112,6 +112,8 @@ displayq(format)
LO = DEFLOCK;
if (cgetstr(bp, "st", &ST) < 0)
ST = DEFSTAT;
if (cgetnum(bp, "ct", &CT) < 0)
CT = DEFTIMEOUT;
cgetstr(bp, "rm", &RM);
if ((cp = checkremote()))
printf("Warning: %s\n", cp);
@ -237,7 +239,7 @@ displayq(format)
}
strcat(line, "\n");
savealrm = signal(SIGALRM, alarmhandler);
alarm(10);
alarm(CT);
fd = getport(RM, 0);
(void)signal(SIGALRM, savealrm);
if (fd < 0) {

1
usr.sbin/lpr/common_source/lp.h
View file

@ -41,6 +41,7 @@
extern char *AF; /* accounting file */
extern long BR; /* baud rate if lp is a tty */
extern char *CF; /* name of cifplot filter (per job) */
extern long CT; /* TCP connection timeout */
extern char *DF; /* name of tex filter (per job) */
extern long DU; /* daeomon user-id */
extern char *FF; /* form feed string */

1
usr.sbin/lpr/common_source/lp.local.h
View file

@ -49,6 +49,7 @@
#define DEFWIDTH 132
#define DEFLENGTH 66
#define DEFUID 1
#define DEFTIMEOUT 120
/*
* When files are created in the spooling area, they are normally

15
usr.sbin/lpr/common_source/rmjob.c
View file

@ -36,7 +36,7 @@
static char sccsid[] = "@(#)rmjob.c 8.2 (Berkeley) 4/28/95";
#endif
static const char rcsid[] =
"$Id$";
"$Id: rmjob.c,v 1.9 1997/09/24 06:47:31 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -67,6 +67,7 @@ static char current[40]; /* active control file name */
extern uid_t uid, euid; /* real and effective user id's */
static void alarmhandler __P((int));
static void do_unlink __P((char *));
void
@ -91,6 +92,8 @@ rmjob()
SD = _PATH_DEFSPOOL;
if (cgetstr(bp,"lo", &LO) < 0)
LO = DEFLOCK;
if (cgetnum(bp, "ct", &CT) < 0)
CT = DEFTIMEOUT;
cgetstr(bp, "rm", &RM);
if ((cp = checkremote()))
printf("Warning: %s\n", cp);
@ -317,6 +320,7 @@ rmremote()
register char *cp;
register int i, rem;
char buf[BUFSIZ];
void (*savealrm)(int);
if (!remote)
return; /* not sending to a remote machine */
@ -339,7 +343,10 @@ rmremote()
(void) sprintf(cp, " %d", requ[i]);
}
strcat(cp, "\n");
savealrm = signal(SIGALRM, alarmhandler);
alarm(CT);
rem = getport(RM, 0);
(void)signal(SIGALRM, savealrm);
if (rem < 0) {
if (from != host)
printf("%s: ", host);
@ -363,3 +370,9 @@ iscf(d)
{
return(d->d_name[0] == 'c' && d->d_name[1] == 'f');
}
void
alarmhandler(signo)
{
/* ignored */
}

17
usr.sbin/lpr/lpd/printjob.c
View file

@ -116,6 +116,7 @@ static char width[10] = "-w"; /* page width in static characters */
static char tfile[] = TFILENAME; /* file name for filter output */
static void abortpr __P((int));
static void alarmhandler __P((int));
static void banner __P((char *, char *));
static int dofork __P((int));
static int dropit __P((int));
@ -1350,6 +1351,8 @@ init()
sprintf(&width[2], "%ld", PW);
if (cgetnum(bp, "pl", &PL) < 0)
PL = DEFLENGTH;
if (cgetnum(bp, "ct", &CT) < 0)
CT = DEFTIMEOUT;
sprintf(&length[2], "%ld", PL);
if (cgetnum(bp,"px", &PX) < 0)
PX = 0;
@ -1455,6 +1458,7 @@ opennet(cp)
register int i;
int resp, port;
char save_ch;
void (*savealrm)(int);
save_ch = *cp;
*cp = '\0';
@ -1467,7 +1471,10 @@ opennet(cp)
for (i = 1; ; i = i < 256 ? i << 1 : i) {
resp = -1;
savealrm = signal(SIGALRM, alarmhandler);
alarm(CT);
pfd = getport(cp, port);
(void)signal(SIGALRM, savealrm);
if (pfd < 0 && errno == ECONNREFUSED)
resp = 1;
else if (pfd >= 0) {
@ -1527,10 +1534,14 @@ openrem()
{
register int i, n;
int resp;
void (*savealrm)(int);
for (i = 1; ; i = i < 256 ? i << 1 : i) {
resp = -1;
savealrm = signal(SIGALRM, alarmhandler);
alarm(CT);
pfd = getport(RM, 0);
(void)signal(SIGALRM, savealrm);
if (pfd >= 0) {
(void) snprintf(line, sizeof(line), "\2%s\n", RP);
n = strlen(line);
@ -1655,3 +1666,9 @@ pstatus(msg, va_alist)
(void) write(fd, buf, strlen(buf));
(void) close(fd);
}
void
alarmhandler(signo)
{
/* ignored */
}

3
usr.sbin/lpr/lpr/printcap.5
View file

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)printcap.5 8.2 (Berkeley) 12/11/93
.\" $Id: printcap.5,v 1.10 1997/04/12 04:23:02 brian Exp $
.\" $Id: printcap.5,v 1.11 1997/05/08 15:31:39 joerg Exp $
.\"
.Dd December 11, 1993
.Dt PRINTCAP 5
@ -78,6 +78,7 @@ for a description of the file layout.
.Pf ( Xr ioctl 2
call)
.It "cf str" Ta Dv NULL Ta No "cifplot data filter"
.It "ct num 120 TCP connection timeout in seconds"
.It "df str" Ta Dv NULL Ta No "tex data filter"
.Pf ( Tn DVI
format)

17
usr.sbin/lpr/runqueue/printjob.c
View file

@ -116,6 +116,7 @@ static char width[10] = "-w"; /* page width in static characters */
static char tfile[] = TFILENAME; /* file name for filter output */
static void abortpr __P((int));
static void alarmhandler __P((int));
static void banner __P((char *, char *));
static int dofork __P((int));
static int dropit __P((int));
@ -1350,6 +1351,8 @@ init()
sprintf(&width[2], "%ld", PW);
if (cgetnum(bp, "pl", &PL) < 0)
PL = DEFLENGTH;
if (cgetnum(bp, "ct", &CT) < 0)
CT = DEFTIMEOUT;
sprintf(&length[2], "%ld", PL);
if (cgetnum(bp,"px", &PX) < 0)
PX = 0;
@ -1455,6 +1458,7 @@ opennet(cp)
register int i;
int resp, port;
char save_ch;
void (*savealrm)(int);
save_ch = *cp;
*cp = '\0';
@ -1467,7 +1471,10 @@ opennet(cp)
for (i = 1; ; i = i < 256 ? i << 1 : i) {
resp = -1;
savealrm = signal(SIGALRM, alarmhandler);
alarm(CT);
pfd = getport(cp, port);
(void)signal(SIGALRM, savealrm);
if (pfd < 0 && errno == ECONNREFUSED)
resp = 1;
else if (pfd >= 0) {
@ -1527,10 +1534,14 @@ openrem()
{
register int i, n;
int resp;
void (*savealrm)(int);
for (i = 1; ; i = i < 256 ? i << 1 : i) {
resp = -1;
savealrm = signal(SIGALRM, alarmhandler);
alarm(CT);
pfd = getport(RM, 0);
(void)signal(SIGALRM, savealrm);
if (pfd >= 0) {
(void) snprintf(line, sizeof(line), "\2%s\n", RP);
n = strlen(line);
@ -1655,3 +1666,9 @@ pstatus(msg, va_alist)
(void) write(fd, buf, strlen(buf));
(void) close(fd);
}
void
alarmhandler(signo)
{
/* ignored */
}