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b3e314acfd
rsyslog/rsyslog-4.4.2-unlimited-select.patch
Robert Scheck b3e314acfd - run libtoolize to avoid errors due mismatching libtool version 
- upgrade to new upstream stable version 4.4.2
- add support for arbitrary number of open file descriptors
2009-12-09 21:54:55 +00:00

577 lines
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diff -up rsyslog-4.4.2.unlimited-select/configure.ac.orig rsyslog-4.4.2.unlimited-select/configure.ac
--- rsyslog-4.4.2.unlimited-select/configure.ac.orig 2009-12-02 17:56:40.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/configure.ac 2009-12-02 14:14:22.000000000 +0100
@@ -341,6 +341,21 @@ AC_ARG_ENABLE([fsstnd],
])
+# support for unlimited select() syscall
+AC_ARG_ENABLE(unlimited_select,
+ [AS_HELP_STRING([--enable-unlimited-select],[Enable unlimited select() syscall @<:@default=no@:>@])],
+ [case "${enableval}" in
+ yes) enable_unlimited_select="yes" ;;
+ no) enable_unlimited_select="no" ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-unlimited-select) ;;
+ esac],
+ [enable_unlimited_select="no"]
+)
+if test "$enable_unlimited_select" = "yes"; then
+ AC_DEFINE(USE_UNLIMITED_SELECT, 1, [If defined, the select() syscall won't be limited to a particular number of file descriptors.])
+fi
+
+
# debug
AC_ARG_ENABLE(debug,
[AS_HELP_STRING([--enable-debug],[Enable debug mode @<:@default=no@:>@])],
@@ -843,6 +858,7 @@ echo " Zlib compression support enabl
echo " rsyslog runtime will be built: $enable_rsyslogrt"
echo " rsyslogd will be built: $enable_rsyslogd"
echo " custom module 1 will be built: $enable_cust1"
+echo " Unlimited select() support enabled: $enable_unlimited_select"
echo
echo "---{ input plugins }---"
echo " Klog functionality enabled: $enable_klog ($os_type)"
diff -up rsyslog-4.4.2.unlimited-select/gss-misc.c.orig rsyslog-4.4.2.unlimited-select/gss-misc.c
--- rsyslog-4.4.2.unlimited-select/gss-misc.c.orig 2009-12-02 17:56:02.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/gss-misc.c 2009-12-02 18:05:23.000000000 +0100
@@ -51,11 +51,14 @@
#include "obj.h"
#include "errmsg.h"
#include "gss-misc.h"
+#include "glbl.h"
+#include "unlimited_select.h"
MODULE_TYPE_LIB
/* static data */
DEFobjStaticHelpers
+DEFobjCurrIf(glbl)
DEFobjCurrIf(errmsg)
static void display_status_(char *m, OM_uint32 code, int type)
@@ -108,28 +111,38 @@ static int read_all(int fd, char *buf, u
{
int ret;
char *ptr;
- fd_set rfds;
struct timeval tv;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pRfds = malloc(glbl.GetFdSetSize());
+#else
+ fd_set rfds;
+ fd_set *pRfds = &rfds;
+#endif
for (ptr = buf; nbyte; ptr += ret, nbyte -= ret) {
- FD_ZERO(&rfds);
- FD_SET(fd, &rfds);
+ FD_ZERO(pRfds);
+ FD_SET(fd, pRfds);
tv.tv_sec = 1;
tv.tv_usec = 0;
- if ((ret = select(FD_SETSIZE, &rfds, NULL, NULL, &tv)) <= 0
- || !FD_ISSET(fd, &rfds))
+ if ((ret = select(FD_SETSIZE, pRfds, NULL, NULL, &tv)) <= 0
+ || !FD_ISSET(fd, pRfds)) {
+ freeFdSet(pRfds);
return ret;
+ }
ret = recv(fd, ptr, nbyte, 0);
if (ret < 0) {
if (errno == EINTR)
continue;
+ freeFdSet(pRfds);
return (ret);
} else if (ret == 0) {
+ freeFdSet(pRfds);
return (ptr - buf);
}
}
+ freeFdSet(pRfds);
return (ptr - buf);
}
@@ -264,6 +277,7 @@ BEGINObjClassExit(gssutil, OBJ_IS_LOADAB
CODESTARTObjClassExit(gssutil)
/* release objects we no longer need */
objRelease(errmsg, CORE_COMPONENT);
+ objRelease(glbl, CORE_COMPONENT);
ENDObjClassExit(gssutil)
@@ -274,6 +288,7 @@ ENDObjClassExit(gssutil)
BEGINAbstractObjClassInit(gssutil, 1, OBJ_IS_LOADABLE_MODULE) /* class, version - CHANGE class also in END MACRO! */
/* request objects we use */
CHKiRet(objUse(errmsg, CORE_COMPONENT));
+ CHKiRet(objUse(glbl, CORE_COMPONENT));
ENDObjClassInit(gssutil)
diff -up rsyslog-4.4.2.unlimited-select/plugins/imgssapi/imgssapi.c.orig rsyslog-4.4.2.unlimited-select/plugins/imgssapi/imgssapi.c
--- rsyslog-4.4.2.unlimited-select/plugins/imgssapi/imgssapi.c.orig 2009-12-02 17:58:12.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/plugins/imgssapi/imgssapi.c 2009-12-02 14:22:42.000000000 +0100
@@ -56,6 +56,7 @@
#include "errmsg.h"
#include "netstrm.h"
#include "glbl.h"
+#include "unlimited_select.h"
MODULE_TYPE_INPUT
@@ -414,15 +415,20 @@ OnSessAcceptGSS(tcpsrv_t *pThis, tcps_se
CHKiRet(netstrm.GetSock(pSess->pStrm, &fdSess)); // TODO: method access!
if (allowedMethods & ALLOWEDMETHOD_TCP) {
int len;
- fd_set fds;
struct timeval tv;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pFds = malloc(glbl.GetFdSetSize());
+#else
+ fd_set fds;
+ fd_set *pFds = &fds;
+#endif
do {
- FD_ZERO(&fds);
- FD_SET(fdSess, &fds);
+ FD_ZERO(pFds);
+ FD_SET(fdSess, pFds);
tv.tv_sec = 1;
tv.tv_usec = 0;
- ret = select(fdSess + 1, &fds, NULL, NULL, &tv);
+ ret = select(fdSess + 1, pFds, NULL, NULL, &tv);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
errmsg.LogError(0, RS_RET_ERR, "TCP session %p will be closed, error ignored\n", pSess);
@@ -475,6 +481,8 @@ OnSessAcceptGSS(tcpsrv_t *pThis, tcps_se
pGSess->allowedMethods = ALLOWEDMETHOD_TCP;
ABORT_FINALIZE(RS_RET_OK); // TODO: define good error codes
}
+
+ freeFdSet(pFds);
}
context = &pGSess->gss_context;
diff -up rsyslog-4.4.2.unlimited-select/plugins/imudp/imudp.c.orig rsyslog-4.4.2.unlimited-select/plugins/imudp/imudp.c
--- rsyslog-4.4.2.unlimited-select/plugins/imudp/imudp.c.orig 2009-12-02 17:58:36.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/plugins/imudp/imudp.c 2009-12-02 14:31:25.000000000 +0100
@@ -44,6 +44,7 @@
#include "parser.h"
#include "datetime.h"
#include "unicode-helper.h"
+#include "unlimited_select.h"
MODULE_TYPE_INPUT
@@ -256,12 +257,18 @@ BEGINrunInput
int maxfds;
int nfds;
int i;
- fd_set readfds;
struct sockaddr_storage frominetPrev;
int bIsPermitted;
uchar fromHost[NI_MAXHOST];
uchar fromHostIP[NI_MAXHOST];
uchar fromHostFQDN[NI_MAXHOST];
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds = malloc(glbl.GetFdSetSize());
+#else
+ fd_set readfds;
+ fd_set *pReadfds = &readfds;
+#endif
+
CODESTARTrunInput
/* start "name caching" algo by making sure the previous system indicator
* is invalidated.
@@ -280,30 +287,30 @@ CODESTARTrunInput
* is given without -a, we do not need to listen at all..
*/
maxfds = 0;
- FD_ZERO (&readfds);
+ FD_ZERO (pReadfds);
/* Add the UDP listen sockets to the list of read descriptors. */
for (i = 0; i < *udpLstnSocks; i++) {
if (udpLstnSocks[i+1] != -1) {
if(Debug)
net.debugListenInfo(udpLstnSocks[i+1], "UDP");
- FD_SET(udpLstnSocks[i+1], &readfds);
+ FD_SET(udpLstnSocks[i+1], pReadfds);
if(udpLstnSocks[i+1]>maxfds) maxfds=udpLstnSocks[i+1];
}
}
if(Debug) {
dbgprintf("--------imUDP calling select, active file descriptors (max %d): ", maxfds);
for (nfds = 0; nfds <= maxfds; ++nfds)
- if ( FD_ISSET(nfds, &readfds) )
+ if ( FD_ISSET(nfds, pReadfds) )
dbgprintf("%d ", nfds);
dbgprintf("\n");
}
/* wait for io to become ready */
- nfds = select(maxfds+1, (fd_set *) &readfds, NULL, NULL, NULL);
+ nfds = select(maxfds+1, (fd_set *) pReadfds, NULL, NULL, NULL);
for(i = 0; nfds && i < *udpLstnSocks; i++) {
- if(FD_ISSET(udpLstnSocks[i+1], &readfds)) {
+ if (FD_ISSET(udpLstnSocks[i+1], pReadfds)) {
processSocket(udpLstnSocks[i+1], &frominetPrev, &bIsPermitted,
fromHost, fromHostFQDN, fromHostIP);
--nfds; /* indicate we have processed one descriptor */
@@ -312,6 +319,7 @@ CODESTARTrunInput
/* end of a run, back to loop for next recv() */
}
+ freeFdSet(pReadfds);
return iRet;
ENDrunInput
diff -up rsyslog-4.4.2.unlimited-select/plugins/imuxsock/imuxsock.c.orig rsyslog-4.4.2.unlimited-select/plugins/imuxsock/imuxsock.c
--- rsyslog-4.4.2.unlimited-select/plugins/imuxsock/imuxsock.c.orig 2009-12-02 17:58:23.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/plugins/imuxsock/imuxsock.c 2009-12-02 14:35:58.000000000 +0100
@@ -43,6 +43,7 @@
#include "net.h"
#include "glbl.h"
#include "msg.h"
+#include "unlimited_select.h"
MODULE_TYPE_INPUT
@@ -245,7 +246,13 @@ BEGINrunInput
int nfds;
int i;
int fd;
- fd_set readfds;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds = malloc(glbl.GetFdSetSize());
+#else
+ fd_set readfds;
+ fd_set *pReadfds = &readfds;
+#endif
+
CODESTARTrunInput
/* this is an endless loop - it is terminated when the thread is
* signalled to do so. This, however, is handled by the framework,
@@ -259,11 +266,11 @@ CODESTARTrunInput
* is given without -a, we do not need to listen at all..
*/
maxfds = 0;
- FD_ZERO (&readfds);
+ FD_ZERO (pReadfds);
/* Copy master connections */
for (i = startIndexUxLocalSockets; i < nfunix; i++) {
if (funix[i] != -1) {
- FD_SET(funix[i], &readfds);
+ FD_SET(funix[i], pReadfds);
if (funix[i]>maxfds) maxfds=funix[i];
}
}
@@ -271,22 +278,23 @@ CODESTARTrunInput
if(Debug) {
dbgprintf("--------imuxsock calling select, active file descriptors (max %d): ", maxfds);
for (nfds= 0; nfds <= maxfds; ++nfds)
- if ( FD_ISSET(nfds, &readfds) )
+ if ( FD_ISSET(nfds, pReadfds) )
dbgprintf("%d ", nfds);
dbgprintf("\n");
}
/* wait for io to become ready */
- nfds = select(maxfds+1, (fd_set *) &readfds, NULL, NULL, NULL);
+ nfds = select(maxfds+1, (fd_set *) pReadfds, NULL, NULL, NULL);
for (i = 0; i < nfunix && nfds > 0; i++) {
- if ((fd = funix[i]) != -1 && FD_ISSET(fd, &readfds)) {
+ if ((fd = funix[i]) != -1 && FD_ISSET(fd, pReadfds)) {
readSocket(fd, i);
--nfds; /* indicate we have processed one */
}
}
}
+ freeFdSet(pReadfds);
RETiRet;
ENDrunInput
diff -up rsyslog-4.4.2.unlimited-select/runtime/Makefile.am.orig rsyslog-4.4.2.unlimited-select/runtime/Makefile.am
--- rsyslog-4.4.2.unlimited-select/runtime/Makefile.am.orig 2009-12-02 17:57:25.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/Makefile.am 2009-12-02 14:36:29.000000000 +0100
@@ -15,6 +15,7 @@ librsyslog_la_SOURCES = \
nsd.h \
glbl.h \
glbl.c \
+ unlimited_select.h \
conf.c \
conf.h \
parser.h \
diff -up rsyslog-4.4.2.unlimited-select/runtime/glbl.c.orig rsyslog-4.4.2.unlimited-select/runtime/glbl.c
--- rsyslog-4.4.2.unlimited-select/runtime/glbl.c.orig 2009-12-02 17:57:35.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/glbl.c 2009-12-02 14:40:07.000000000 +0100
@@ -68,6 +68,9 @@ static uchar *pszDfltNetstrmDrvr = NULL;
static uchar *pszDfltNetstrmDrvrCAF = NULL; /* default CA file for the netstrm driver */
static uchar *pszDfltNetstrmDrvrKeyFile = NULL; /* default key file for the netstrm driver (server) */
static uchar *pszDfltNetstrmDrvrCertFile = NULL; /* default cert file for the netstrm driver (server) */
+#ifdef USE_UNLIMITED_SELECT
+static int iFdSetSize = howmany(FD_SETSIZE, __NFDBITS) * sizeof (fd_mask); /* size of select() bitmask in bytes */
+#endif
/* define a macro for the simple properties' set and get functions
@@ -100,6 +103,9 @@ SIMP_PROP(DisableDNS, bDisableDNS, int)
SIMP_PROP(LocalDomain, LocalDomain, uchar*)
SIMP_PROP(StripDomains, StripDomains, char**)
SIMP_PROP(LocalHosts, LocalHosts, char**)
+#ifdef USE_UNLIMITED_SELECT
+SIMP_PROP(FdSetSize, iFdSetSize, int)
+#endif
SIMP_PROP_SET(LocalFQDNName, LocalFQDNName, uchar*)
SIMP_PROP_SET(LocalHostName, LocalHostName, uchar*)
@@ -217,6 +223,9 @@ CODESTARTobjQueryInterface(glbl)
SIMP_PROP(DfltNetstrmDrvrCAF)
SIMP_PROP(DfltNetstrmDrvrKeyFile)
SIMP_PROP(DfltNetstrmDrvrCertFile)
+#ifdef USE_UNLIMITED_SELECT
+ SIMP_PROP(FdSetSize)
+#endif
#undef SIMP_PROP
finalize_it:
ENDobjQueryInterface(glbl)
@@ -251,6 +260,9 @@ static rsRetVal resetConfigVariables(uch
bOptimizeUniProc = 1;
bHUPisRestart = 1;
bPreserveFQDN = 0;
+#ifdef USE_UNLIMITED_SELECT
+ iFdSetSize = howmany(FD_SETSIZE, __NFDBITS) * sizeof (fd_mask);
+#endif
return RS_RET_OK;
}
diff -up rsyslog-4.4.2.unlimited-select/runtime/glbl.h.orig rsyslog-4.4.2.unlimited-select/runtime/glbl.h
--- rsyslog-4.4.2.unlimited-select/runtime/glbl.h.orig 2009-12-02 17:57:41.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/glbl.h 2009-12-02 17:42:35.000000000 +0100
@@ -57,9 +57,10 @@ BEGINinterface(glbl) /* name must also b
SIMP_PROP(DfltNetstrmDrvrCAF, uchar*)
SIMP_PROP(DfltNetstrmDrvrKeyFile, uchar*)
SIMP_PROP(DfltNetstrmDrvrCertFile, uchar*)
+ SIMP_PROP(FdSetSize, int)
#undef SIMP_PROP
ENDinterface(glbl)
-#define glblCURR_IF_VERSION 2 /* increment whenever you change the interface structure! */
+#define glblCURR_IF_VERSION 101 /* increment whenever you change the interface structure! */
/* version 2 had PreserveFQDN added - rgerhards, 2008-12-08 */
/* the remaining prototypes */
diff -up rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.c.orig rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.c
--- rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.c.orig 2009-12-02 17:56:56.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.c 2009-12-02 18:17:31.000000000 +0100
@@ -36,6 +36,7 @@
#include "errmsg.h"
#include "nsd_ptcp.h"
#include "nsdsel_ptcp.h"
+#include "unlimited_select.h"
/* static data */
DEFobjStaticHelpers
@@ -47,14 +48,23 @@ DEFobjCurrIf(glbl)
*/
BEGINobjConstruct(nsdsel_ptcp) /* be sure to specify the object type also in END macro! */
pThis->maxfds = 0;
+#ifdef USE_UNLIMITED_SELECT
+ pThis->pReadfds = calloc(1, glbl.GetFdSetSize());
+ pThis->pWritefds = calloc(1, glbl.GetFdSetSize());
+#else
FD_ZERO(&pThis->readfds);
FD_ZERO(&pThis->writefds);
+#endif
ENDobjConstruct(nsdsel_ptcp)
/* destructor for the nsdsel_ptcp object */
BEGINobjDestruct(nsdsel_ptcp) /* be sure to specify the object type also in END and CODESTART macros! */
CODESTARTobjDestruct(nsdsel_ptcp)
+#ifdef USE_UNLIMITED_SELECT
+ freeFdSet(pThis->pReadfds);
+ freeFdSet(pThis->pWritefds);
+#endif
ENDobjDestruct(nsdsel_ptcp)
@@ -65,20 +75,27 @@ Add(nsdsel_t *pNsdsel, nsd_t *pNsd, nsds
DEFiRet;
nsdsel_ptcp_t *pThis = (nsdsel_ptcp_t*) pNsdsel;
nsd_ptcp_t *pSock = (nsd_ptcp_t*) pNsd;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds = pThis->pReadfds;
+ fd_set *pWritefds = pThis->pWritefds;
+#else
+ fd_set *pReadfds = &pThis->readfds;
+ fd_set *pWritefds = &pThis->writefds;
+#endif
ISOBJ_TYPE_assert(pSock, nsd_ptcp);
ISOBJ_TYPE_assert(pThis, nsdsel_ptcp);
switch(waitOp) {
case NSDSEL_RD:
- FD_SET(pSock->sock, &pThis->readfds);
+ FD_SET(pSock->sock, pReadfds);
break;
case NSDSEL_WR:
- FD_SET(pSock->sock, &pThis->writefds);
+ FD_SET(pSock->sock, pWritefds);
break;
case NSDSEL_RDWR:
- FD_SET(pSock->sock, &pThis->readfds);
- FD_SET(pSock->sock, &pThis->writefds);
+ FD_SET(pSock->sock, pReadfds);
+ FD_SET(pSock->sock, pWritefds);
break;
}
@@ -98,6 +115,13 @@ Select(nsdsel_t *pNsdsel, int *piNumRead
DEFiRet;
int i;
nsdsel_ptcp_t *pThis = (nsdsel_ptcp_t*) pNsdsel;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds = pThis->pReadfds;
+ fd_set *pWritefds = pThis->pWritefds;
+#else
+ fd_set *pReadfds = &pThis->readfds;
+ fd_set *pWritefds = &pThis->writefds;
+#endif
ISOBJ_TYPE_assert(pThis, nsdsel_ptcp);
assert(piNumReady != NULL);
@@ -106,13 +130,13 @@ Select(nsdsel_t *pNsdsel, int *piNumRead
// TODO: name in dbgprintf!
dbgprintf("--------<NSDSEL_PTCP> calling select, active fds (max %d): ", pThis->maxfds);
for(i = 0; i <= pThis->maxfds; ++i)
- if(FD_ISSET(i, &pThis->readfds) || FD_ISSET(i, &pThis->writefds))
+ if(FD_ISSET(i, pReadfds) || FD_ISSET(i, pWritefds))
dbgprintf("%d ", i);
dbgprintf("\n");
}
/* now do the select */
- *piNumReady = select(pThis->maxfds+1, &pThis->readfds, &pThis->writefds, NULL, NULL);
+ *piNumReady = select(pThis->maxfds+1, pReadfds, pWritefds, NULL, NULL);
RETiRet;
}
@@ -125,6 +149,13 @@ IsReady(nsdsel_t *pNsdsel, nsd_t *pNsd,
DEFiRet;
nsdsel_ptcp_t *pThis = (nsdsel_ptcp_t*) pNsdsel;
nsd_ptcp_t *pSock = (nsd_ptcp_t*) pNsd;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds = pThis->pReadfds;
+ fd_set *pWritefds = pThis->pWritefds;
+#else
+ fd_set *pReadfds = &pThis->readfds;
+ fd_set *pWritefds = &pThis->writefds;
+#endif
ISOBJ_TYPE_assert(pThis, nsdsel_ptcp);
ISOBJ_TYPE_assert(pSock, nsd_ptcp);
@@ -132,14 +163,14 @@ IsReady(nsdsel_t *pNsdsel, nsd_t *pNsd,
switch(waitOp) {
case NSDSEL_RD:
- *pbIsReady = FD_ISSET(pSock->sock, &pThis->readfds);
+ *pbIsReady = FD_ISSET(pSock->sock, pReadfds);
break;
case NSDSEL_WR:
- *pbIsReady = FD_ISSET(pSock->sock, &pThis->writefds);
+ *pbIsReady = FD_ISSET(pSock->sock, pWritefds);
break;
case NSDSEL_RDWR:
- *pbIsReady = FD_ISSET(pSock->sock, &pThis->readfds)
- | FD_ISSET(pSock->sock, &pThis->writefds);
+ *pbIsReady = FD_ISSET(pSock->sock, pReadfds)
+ | FD_ISSET(pSock->sock, pWritefds);
break;
}
diff -up rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.h.orig rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.h
--- rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.h.orig 2009-12-02 17:57:15.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/nsdsel_ptcp.h 2009-12-02 17:48:41.000000000 +0100
@@ -31,8 +31,13 @@ typedef nsdsel_if_t nsdsel_ptcp_if_t; /*
struct nsdsel_ptcp_s {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
int maxfds;
+#ifdef USE_UNLIMITED_SELECT
+ fd_set *pReadfds;
+ fd_set *pWritefds;
+#else
fd_set readfds;
fd_set writefds;
+#endif
};
/* interface is defined in nsd.h, we just implement it! */
diff -up rsyslog-4.4.2.unlimited-select/runtime/unlimited_select.h.orig rsyslog-4.4.2.unlimited-select/runtime/unlimited_select.h
--- rsyslog-4.4.2.unlimited-select/runtime/unlimited_select.h.orig 2009-12-02 18:21:15.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/runtime/unlimited_select.h 2009-12-02 17:51:35.000000000 +0100
@@ -0,0 +1,45 @@
+/* unlimited_select.h
+ * Tweak the macros for accessing fd_set so that the select() syscall
+ * won't be limited to a particular number of file descriptors.
+ *
+ * Copyright 2009 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of rsyslog.
+ *
+ * Rsyslog is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Rsyslog is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ */
+
+#ifndef UNLIMITED_SELECT_H_INCLUDED
+
+#include <string.h>
+#include <stdlib.h>
+#include <sys/select.h>
+#include "glbl.h"
+
+#ifdef USE_UNLIMITED_SELECT
+# undef FD_ZERO
+# define FD_ZERO(set) memset((set), 0, glbl.GetFdSetSize());
+#endif
+
+#ifdef USE_UNLIMITED_SELECT
+void freeFdSet(fd_set *p) {
+ free(p);
+}
+#else
+# define freeFdSet(x)
+#endif
+
+#endif /* #ifndef UNLIMITED_SELECT_H_INCLUDED */
diff -up rsyslog-4.4.2.unlimited-select/tools/syslogd.c.orig rsyslog-4.4.2.unlimited-select/tools/syslogd.c
--- rsyslog-4.4.2.unlimited-select/tools/syslogd.c.orig 2009-12-02 17:57:55.000000000 +0100
+++ rsyslog-4.4.2.unlimited-select/tools/syslogd.c 2009-12-02 17:52:56.000000000 +0100
@@ -2150,6 +2150,9 @@ static rsRetVal setMaxFiles(void __attri
iFiles, errStr, (long) maxFiles.rlim_max);
ABORT_FINALIZE(RS_RET_ERR_RLIM_NOFILE);
}
+#ifdef USE_UNLIMITED_SELECT
+ glbl.SetFdSetSize(howmany(iFiles, __NFDBITS) * sizeof (fd_mask));
+#endif
DBGPRINTF("Max number of files set to %d [kernel max %ld].\n", iFiles, (long) maxFiles.rlim_max);
finalize_it:
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