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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:utility.c 2.9 */
#include "uucp.h"
static void logError();
extern int cuantos(), gnamef();
#define TY_ASSERT 1
#define TY_ERROR 2
/*
* produce an assert error message
* input:
* s1 - string 1
* s2 - string 2
* i1 - integer 1 (usually errno)
* file - __FILE of calling module
* line - __LINE__ of calling module
*/
void
assert(s1, s2, i1, file, line)
char *s1, *s2, *file;
{
logError(s1, s2, i1, TY_ASSERT, file, line);
return;
}
/*
* produce an assert error message
* input: -- same as assert
*/
void
errent(s1, s2, i1, file, line)
char *s1, *s2, *file;
{
logError(s1, s2, i1, TY_ERROR, file, line);
return;
}
#define EFORMAT "%sERROR (%.9s) pid: %ld (%s) %s %s (%d) [FILE: %s, LINE: %d]\n"
static void
logError(s1, s2, i1, type, file, line)
char *s1, *s2, *file;
{
register FILE *errlog;
char text[BUFSIZ];
pid_t pid;
if (Debug)
errlog = stderr;
else {
errlog = fopen(ERRLOG, "a");
(void) chmod(ERRLOG, PUB_FILEMODE);
}
if (errlog == NULL)
return;
pid = getpid();
(void) fprintf(errlog, EFORMAT, type == TY_ASSERT ? "ASSERT " : " ",
Progname, (long) pid, timeStamp(), s1, s2, i1, file, line);
if (!Debug)
(void) fclose(errlog);
(void) sprintf(text, " %sERROR %.100s %.100s (%.9s)",
type == TY_ASSERT ? "ASSERT " : " ",
s1, s2, Progname);
if (type == TY_ASSERT)
systat(Rmtname, SS_ASSERT_ERROR, text, Retrytime);
return;
}
/* timeStamp - create standard time string
* return
* pointer to time string
*/
char *
timeStamp()
{
register struct tm *tp;
time_t clock;
static char str[20];
(void) time(&clock);
tp = localtime(&clock);
(void) sprintf(str, "%d/%d-%d:%2.2d:%2.2d", tp->tm_mon + 1,
tp->tm_mday, tp->tm_hour, tp->tm_min, tp->tm_sec);
return(str);
}
/*
* Function: countProcs - Count Process to Stay Within Limits
*
* There are a number of cases in BNU when we want to limit the number
* of processes of a certain type that are running at a given time. This
* process is used to check the number of existing processes, to determine
* if a new one is allowed.
*
* The strategy is that all processes of a given type will place a lock
* file with a specific prefix in a single directory, usually
* /var/spool/locks. The caller of this function must provide a full
* path prefix, and countProcs will count the number of files that begin
* with the prefix and compare the count to the allowable maximum.
*
* Parameters:
*
* prefix - A full path prefix for lock files that identify
* processes that are to be counted.
* maxCount - Maximum number of allowable processes.
*
* Returns:
*
* TRUE is returned if this process is allowed to continue, and
* FALSE is returned if the maximum is exceeded.
*/
int
countProcs (prefix, maxCount)
char * prefix;
int maxCount;
{
register char * namePrefix; /* Points to file name part */
char directory[MAXNAMESIZE];
register int processes; /* Count of processes. */
/* Separate prefix into directory part and file name part. */
strncpy(directory, prefix, MAXNAMESIZE);
directory[MAXNAMESIZE-1] = NULLCHAR;
namePrefix = strrchr(directory, '/');
ASSERT(namePrefix != NULL, "No file name in", prefix, 0);
*namePrefix++ = NULLCHAR; /* Terminate directory part */
/* Check to see if we can continue. */
processes = cuantos(namePrefix, directory);
if (processes <= maxCount)
return TRUE;
else
return FALSE;
}
/*
* return the number of files in directory <dir> who's names
* begin with <prefix>
* This is used to count the number of processes of a certain
* type that are currently running.
*
*/
int
cuantos(prefix, dir)
char *prefix, *dir;
{
int i = 0;
DIR *pdir;
char fullname[MAXNAMESIZE], file[MAXNAMESIZE];
pdir = opendir(dir);
ASSERT(pdir != NULL, Ct_OPEN, dir, errno);
while (gnamef(pdir, file) == TRUE)
if (PREFIX(prefix, file)) {
(void) sprintf(fullname, "%s/%s", dir, file);
if (cklock(fullname))
i++;
}
closedir(pdir);
return(i);
}
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