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util: Support logrotate with iocLogServer

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Allow reopening of the same filename on receipt of a SIGHUP.
Requested by Lana Abadie at ITER.
This commit is contained in:
Andrew Johnson
2011-06-01 15:55:10 -05:00
parent f1a646240b
commit 0dfc92f48d
1 changed files with 20 additions and 26 deletions
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46
src/util/iocLogServer.c
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@@ -1,17 +1,16 @@
/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* Copyright (c) 2011 UChicago Argonne LLC, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* iocLogServer.c */
/* base/src/util $Revision-Id$ */
/* $Revision-Id$ */
/*
* archive logMsg() from several IOC's to a common rotating file
* archive logMsg() from several IOC's to a common rotating file
*
*
* Author: Jeffrey O. Hill
@@ -903,40 +902,35 @@ static void serviceSighupRequest(void *pParam)
}
/*
* If it's changed, open the new file.
* Try (re)opening the file.
*/
if (strcmp(ioc_log_file_name, pserver->outfile) == 0) {
status = openLogFile(pserver);
if(status<0){
fprintf(stderr,
"iocLogServer: log file name unchanged; not re-opened\n");
}
else {
"File access problems to `%s' because `%s'\n",
ioc_log_file_name,
strerror(errno));
/* Revert to old filename */
strcpy(ioc_log_file_name, pserver->outfile);
status = openLogFile(pserver);
if(status<0){
fprintf(stderr,
"File access problems to `%s' because `%s'\n",
"File access problems to `%s' because `%s'\n",
ioc_log_file_name,
strerror(errno));
strcpy(ioc_log_file_name, pserver->outfile);
status = openLogFile(pserver);
if(status<0){
fprintf(stderr,
"File access problems to `%s' because `%s'\n",
ioc_log_file_name,
strerror(errno));
return;
}
else {
fprintf(stderr,
"iocLogServer: re-opened old log file %s\n",
ioc_log_file_name);
}
return;
}
else {
fprintf(stderr,
"iocLogServer: opened new log file %s\n",
"iocLogServer: re-opened old log file %s\n",
ioc_log_file_name);
}
}
else {
fprintf(stderr,
"iocLogServer: opened new log file %s\n",
ioc_log_file_name);
}
}