diff options
| author | joerg <joerg@FreeBSD.org> | 1997-06-23 10:00:01 +0000 |
|---|---|---|
| committer | joerg <joerg@FreeBSD.org> | 1997-06-23 10:00:01 +0000 |
| commit | 9289d9c4986115e0de14a3e17a39a6dc24ca0ac1 (patch) | |
| tree | eb7103f2e5b187887198005126e0b47921317d0e /usr.sbin/lpr | |
| parent | 0c0bda62e2cffb57e61ba0c410acf6b2773c9971 (diff) | |
| download | FreeBSD-src-9289d9c4986115e0de14a3e17a39a6dc24ca0ac1.zip FreeBSD-src-9289d9c4986115e0de14a3e17a39a6dc24ca0ac1.tar.gz | |
Imply a 10-second connection timeout when querying remote queues, to
prevent lpq from hanging indefinately (well, 10 minutes are for sure
counting as `indefinately' in this case).
Diffstat (limited to 'usr.sbin/lpr')
| -rw-r--r-- | usr.sbin/lpr/common_source/displayq.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/usr.sbin/lpr/common_source/displayq.c b/usr.sbin/lpr/common_source/displayq.c index a974d6f..a5b8b26 100644 --- a/usr.sbin/lpr/common_source/displayq.c +++ b/usr.sbin/lpr/common_source/displayq.c @@ -73,6 +73,8 @@ static long totsize; /* total print job size in bytes */ static char *head0 = "Rank Owner Job Files"; static char *head1 = "Total Size\n"; +static void alarmhandler __P((int)); + /* * Display the current state of the queue. Format = 1 if long format. */ @@ -86,6 +88,7 @@ displayq(format) struct queue **queue; struct stat statb; FILE *fp; + void (*savealrm)(int); lflag = format; totsize = 0; @@ -212,7 +215,10 @@ displayq(format) (void) strcpy(cp, user[i]); } strcat(line, "\n"); + savealrm = signal(SIGALRM, alarmhandler); + alarm(10); fd = getport(RM, 0); + (void)signal(SIGALRM, savealrm); if (fd < 0) { if (from != host) printf("%s: ", host); @@ -446,3 +452,10 @@ prank(n) col += strlen(rline); printf("%s", rline); } + +void +alarmhandler(signo) + int signo; +{ + /* ignored */ +} |
