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xinetd/SOURCES/xinetd-2.3.14-poll.patch

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import xinetd-2.3.15-25.el8
2 years ago
diff -Nurp xinetd-2.3.14-orig/config.h.in xinetd-2.3.14-poll/config.h.in
--- xinetd-2.3.14-orig/config.h.in 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/config.h.in 2009-09-02 11:30:27.000000000 +0200
@@ -106,6 +106,8 @@
#undef HAVE_HOWL
+#undef HAVE_POLL
+
/* OS specific */
#undef solaris
diff -Nurp xinetd-2.3.14-orig/configure.in xinetd-2.3.14-poll/configure.in
--- xinetd-2.3.14-orig/configure.in 2009-09-02 11:32:54.000000000 +0200
+++ xinetd-2.3.14-poll/configure.in 2009-09-02 11:30:27.000000000 +0200
@@ -35,6 +35,7 @@ AC_CHECK_LIB(c, sys_siglist, [AC_DEFINE(
AC_CHECK_FUNC(gai_strerror,[AC_DEFINE(HAVE_GAI_STRERROR, 1, "")])
AC_CHECK_FUNC(freeaddrinfo,[AC_DEFINE(HAVE_FREEADDRINFO, 1, "")])
AC_CHECK_FUNC(getaddrinfo,[AC_DEFINE(HAVE_GETADDRINFO, 1, "")])
+AC_CHECK_FUNC(poll, [AC_DEFINE(HAVE_POLL, 1, "")])
AC_CHECK_HEADERS(sys/types.h sys/termios.h termios.h sys/ioctl.h sys/select.h rpc/rpc.h rpc/rpcent.h sys/file.h ftw.h machine/reg.h netdb.h)
AC_CHECK_HEADER(sys/resource.h, [AC_DEFINE(HAVE_SYS_RESOURCE_H, 1, "")])
diff -Nurp xinetd-2.3.14-orig/xinetd/conf.c xinetd-2.3.14-poll/xinetd/conf.c
--- xinetd-2.3.14-orig/xinetd/conf.c 2003-12-30 14:44:09.000000000 +0100
+++ xinetd-2.3.14-poll/xinetd/conf.c 2009-09-02 11:30:27.000000000 +0200
@@ -209,8 +209,13 @@ unsigned cnf_start_services( struct conf
pset_clear( sconfs ) ;
if ( debug.on )
+#ifdef HAVE_POLL
+ msg( LOG_DEBUG, func, "pfds_last = %d, services_started = %d",
+ ps.rws.pfds_last, services_started ) ;
+#else
msg( LOG_DEBUG, func, "mask_max = %d, services_started = %d",
ps.rws.mask_max, services_started ) ;
+#endif
return( services_started ) ;
}
diff -Nurp xinetd-2.3.14-orig/xinetd/defs.h xinetd-2.3.14-poll/xinetd/defs.h
--- xinetd-2.3.14-orig/xinetd/defs.h 2005-03-29 17:50:34.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/defs.h 2009-09-02 11:30:27.000000000 +0200
@@ -111,6 +111,15 @@ union xsockaddr {
#define LISTEN_BACKLOG 64
/*
+ * constants for limiting ps.rws.fd_list
+ */
+
+#ifdef HAVE_POLL
+#define INIT_POLLFDS 1024
+#define MAX_POLLFDS 8192
+#endif
+
+/*
* When explicit values are given for enum's, that is because the structures
* that the enum's are in may be initialized by a memory clear operation.
*/
diff -Nurp xinetd-2.3.14-orig/xinetd/child.c xinetd-2.3.14-poll/xinetd/child.c
--- xinetd-2.3.14-orig/xinetd/child.c 2003-09-06 16:41:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/child.c 2009-09-02 11:30:27.000000000 +0200
@@ -109,8 +109,7 @@ void exec_server( const struct server *s
#ifdef RLIMIT_NOFILE
- rl.rlim_max = ps.ros.orig_max_descriptors ;
- rl.rlim_cur = ps.ros.max_descriptors ;
+ rl.rlim_max = rl.rlim_cur = ps.ros.max_descriptors ;
(void) setrlimit( RLIMIT_NOFILE, &rl ) ;
#endif
#ifdef RLIMIT_AS
diff -Nurp xinetd-2.3.14-orig/xinetd/init.c xinetd-2.3.14-poll/xinetd/init.c
--- xinetd-2.3.14-orig/xinetd/init.c 2003-09-06 16:41:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/init.c 2009-09-02 11:30:27.000000000 +0200
@@ -17,7 +17,7 @@
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
-
+#include <malloc.h>
#include "sio.h"
#include "init.h"
#include "defs.h"
@@ -140,7 +140,6 @@ static void set_fd_limit(void)
{
#ifdef RLIMIT_NOFILE
struct rlimit rl ;
- rlim_t maxfd ;
/*
* Set the soft file descriptor limit to the hard limit.
@@ -151,25 +150,9 @@ static void set_fd_limit(void)
exit( 1 ) ;
}
- maxfd = rl.rlim_max;
if ( rl.rlim_max == RLIM_INFINITY )
rl.rlim_max = FD_SETSIZE;
- /* XXX: a dumb way to prevent fd_set overflow possibilities; the rest
- * of xinetd should be changed to use an OpenBSD inetd-like fd_grow(). */
- if ( rl.rlim_max > FD_SETSIZE )
- rl.rlim_max = FD_SETSIZE;
-
- rl.rlim_cur = rl.rlim_max ;
- if ( setrlimit( RLIMIT_NOFILE, &rl ) == -1 )
- {
- syscall_failed("setrlimit(RLIMIT_NOFILE)");
- ps.ros.max_descriptors = FD_SETSIZE;
- ps.ros.orig_max_descriptors = FD_SETSIZE;
- return ;
- }
-
- ps.ros.orig_max_descriptors = maxfd ;
ps.ros.max_descriptors = rl.rlim_max ;
#else /* ! RLIMIT_NOFILE */
ps.ros.max_descriptors = getdtablesize() ;
@@ -292,15 +275,27 @@ static pset_h new_table( unsigned size )
*/
static void init_rw_state( void )
{
+ const char *func = "init_rw_state" ;
SERVERS( ps ) = new_table( 0 ) ;
RETRIES( ps ) = new_table( 0 ) ;
SERVICES( ps ) = new_table( 0 ) ;
ps.rws.descriptors_free = ps.ros.max_descriptors - DESCRIPTORS_RESERVED ;
+#ifdef HAVE_POLL
+ ps.rws.pfds_allocated = INIT_POLLFDS ;
+ ps.rws.pfd_array = (struct pollfd *)
+ malloc( sizeof( struct pollfd ) * ps.rws.pfds_allocated ) ;
+ if ( ps.rws.pfd_array == NULL )
+ {
+ out_of_memory(func);
+ exit( 1 ) ;
+ }
+ ps.rws.pfds_last = 0 ;
+#else
FD_ZERO( &ps.rws.socket_mask ) ;
ps.rws.mask_max = 0 ;
-
+#endif /* HAVE_POLL */
}
diff -Nurp xinetd-2.3.14-orig/xinetd/intcommon.c xinetd-2.3.14-poll/xinetd/intcommon.c
--- xinetd-2.3.14-orig/xinetd/intcommon.c 2003-08-06 08:12:10.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/intcommon.c 2009-09-03 16:15:49.000000000 +0200
@@ -14,6 +14,9 @@
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
+#ifdef HAVE_POLL
+#include <poll.h>
+#endif
#include "intcommon.h"
#include "msg.h"
@@ -36,27 +39,38 @@ void int_fail( const struct intercept_s
/*
* Returns either a positive number or -1
*/
+#ifdef HAVE_POLL
+int int_poll( int pfds_last, struct pollfd *pfd_array )
+{
+ const char *func = "int_poll" ;
+#else
int int_select( int max, fd_set *read_mask )
{
const char *func = "int_select" ;
+#endif
for ( ;; )
{
int n_ready ;
- n_ready = select( max+1, read_mask,
- FD_SET_NULL, FD_SET_NULL, TIMEVAL_NULL ) ;
+ do {
+#ifdef HAVE_POLL
+ n_ready = poll( pfd_array, pfds_last, -1 );
+#else
+ n_ready = select( max+1, read_mask,
+ FD_SET_NULL, FD_SET_NULL, TIMEVAL_NULL ) ;
+#endif
+ } while (n_ready == -1 && errno == EINTR);
+
+
if ( n_ready > 0 )
return( n_ready ) ;
- else if ( n_ready == -1 ) {
- if ( errno == EINTR )
- continue ;
- else
- {
- msg( LOG_ERR, func, "select: %m" ) ;
- return( -1 ) ;
- }
- }
+#ifdef HAVE_POLL
+ msg( LOG_ERR, func, "poll: %m" ) ;
+#else
+ msg( LOG_ERR, func, "select: %m" ) ;
+#endif
+ return( -1 ) ;
}
}
diff -Nurp xinetd-2.3.14-orig/xinetd/internals.c xinetd-2.3.14-poll/xinetd/internals.c
--- xinetd-2.3.14-orig/xinetd/internals.c 2003-09-06 16:41:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/internals.c 2009-09-03 10:38:29.000000000 +0200
@@ -53,6 +53,9 @@ void dump_internal_state(void)
const char *dump_file = DUMP_FILE ;
time_t current_time ;
int fd ;
+#ifdef HAVE_POLL
+ int *listed_fds;
+#endif
unsigned u ;
const char *func = "dump_internal_state" ;
@@ -104,6 +107,41 @@ void dump_internal_state(void)
server_dump( SERP( pset_pointer( RETRIES( ps ), u ) ), dump_fd ) ;
Sputchar( dump_fd, '\n' ) ;
+#ifdef HAVE_POLL
+ /*
+ * Dump the socket mask
+ */
+ listed_fds = (int *)calloc(sizeof(int),ps.ros.max_descriptors);
+ if (listed_fds != NULL)
+ {
+ Sprint( dump_fd, "Socket mask:" ) ;
+ for ( fd = 0 ; fd < ps.rws.pfds_last ; fd++ )
+ {
+ listed_fds[ps.rws.pfd_array[fd].fd] = 1;
+ Sprint( dump_fd, " %d", ps.rws.pfd_array[fd].fd ) ;
+ }
+ Sputchar( dump_fd, '\n' ) ;
+ Sprint( dump_fd, "pfds_last = %d\n", ps.rws.pfds_last ) ;
+
+ /*
+ * Dump the descriptors that are open and are *not* in the socket list
+ */
+ Sprint( dump_fd, "Open descriptors (not in socket mask):" ) ;
+ for ( fd = 0 ; (unsigned)fd < ps.ros.max_descriptors ; fd++ )
+ {
+ struct stat st ;
+
+ if ( !listed_fds[fd] && fstat( fd, &st ) != -1 )
+ Sprint( dump_fd, " %d", fd ) ;
+ }
+
+ Sputchar( dump_fd, '\n' ) ;
+ Sputchar( dump_fd, '\n' ) ;
+ free(listed_fds);
+ }
+ else
+ Sprint( dump_fd, "Could not dump open descriptors, not enough memory!\n" );
+#else /* !HAVE_POLL */
/*
* Dump the socket mask
*/
@@ -114,6 +152,7 @@ void dump_internal_state(void)
Sputchar( dump_fd, '\n' ) ;
Sprint( dump_fd, "mask_max = %d\n", ps.rws.mask_max ) ;
+
/*
* Dump the descriptors that are open and are *not* in the socket mask
*/
@@ -130,6 +169,7 @@ void dump_internal_state(void)
}
Sputchar( dump_fd, '\n' ) ;
Sputchar( dump_fd, '\n' ) ;
+#endif /* !HAVE_POLL */
Sprint( dump_fd, "active_services = %d\n", ps.rws.active_services ) ;
Sprint( dump_fd, "available_services = %d\n", ps.rws.available_services ) ;
@@ -162,7 +202,6 @@ enum check_type { PERIODIC, USER_REQUEST
static void consistency_check( enum check_type type )
{
int fd ;
- fd_set socket_mask_copy ;
unsigned u ;
int errors ;
unsigned total_running_servers = 0 ;
@@ -171,7 +210,19 @@ static void consistency_check( enum chec
bool_int service_count_check_failed = FALSE ;
const char *func = "consistency_check" ;
+
+#ifdef HAVE_POLL
+ struct pollfd *pfd_array_copy = calloc(sizeof(struct pollfd), ps.rws.pfds_last);
+ if (pfd_array_copy == NULL)
+ {
+ msg( LOG_ERR, func, "Could not run consistency check! Not enough memory!\n" ) ;
+ return;
+ }
+ memcpy(pfd_array_copy, ps.rws.pfd_array, ps.rws.pfds_last*sizeof(struct pollfd));
+#else /* !HAVE_POLL */
+ fd_set socket_mask_copy ;
socket_mask_copy = ps.rws.socket_mask ;
+#endif /* HAVE_POLL */
for ( u = 0 ; u < pset_count( SERVICES( ps ) ) ; u++ )
{
@@ -184,9 +235,22 @@ static void consistency_check( enum chec
if ( SVC_IS_AVAILABLE( sp ) || SVC_IS_DISABLED ( sp ) )
{
+
/*
* In this case, there may be some servers running
*/
+#ifdef HAVE_POLL
+ if ( pfd_array_copy[ SVC_POLLFD_OFF( sp ) ].events )
+ {
+ if ( SVC_IS_DISABLED( sp ) )
+ {
+ msg( LOG_ERR, func,
+ "fd of disabled service %s still in socket mask", sid ) ;
+ error_count++ ;
+ }
+ pfd_array_copy[ SVC_POLLFD_OFF( sp ) ].events = 0;
+ }
+#else /* !HAVE_POLL */
if ( FD_ISSET( SVC_FD( sp ), &socket_mask_copy ) )
{
if ( SVC_IS_DISABLED( sp ) )
@@ -197,8 +261,9 @@ static void consistency_check( enum chec
}
FD_CLR( SVC_FD( sp ), &socket_mask_copy ) ;
}
- error_count += thread_check( sp, running_servers, retry_servers ) ;
+#endif /* HAVE_POLL */
+ error_count += thread_check( sp, running_servers, retry_servers ) ;
errors = service_count_check( sp, running_servers, retry_servers ) ;
if ( ! errors && ! service_count_check_failed )
{
@@ -248,6 +313,18 @@ static void consistency_check( enum chec
/*
* Check if there are any descriptors set in socket_mask_copy
*/
+#ifdef HAVE_POLL
+ for ( fd = 0 ; fd < ps.rws.pfds_last ; fd++)
+ if ( pfd_array_copy[fd].events && pfd_array_copy[fd].fd != signals_pending[0] &&
+ pfd_array_copy[fd].fd != signals_pending[1] )
+ {
+ msg( LOG_ERR, func,
+ "descriptor %d set in socket mask but there is no service for it",
+ fd ) ;
+ error_count++ ;
+ }
+ free(pfd_array_copy);
+#else /* !HAVE_POLL */
for ( fd = 0 ; (unsigned)fd < ps.ros.max_descriptors ; fd++ )
if ( FD_ISSET( fd, &socket_mask_copy ) && ((fd != signals_pending[0]) && fd != signals_pending[1]))
{
@@ -256,6 +333,7 @@ static void consistency_check( enum chec
fd ) ;
error_count++ ;
}
+#endif /* !HAVE_POLL */
if ( error_count != 0 )
msg( LOG_WARNING, func,
@@ -304,7 +382,6 @@ static unsigned service_count_check( str
}
-
/*
* If the service is single-threaded:
* if the descriptor is set in the socket mask, there must
@@ -317,7 +394,11 @@ static unsigned thread_check( struct ser
unsigned retry_servers )
{
unsigned error_count = 0 ;
+#ifdef HAVE_POLL
+ struct pollfd *pfd= SVC_POLLFD( sp ) ;
+#else
int sd = SVC_FD( sp ) ;
+#endif
char *sid = SVC_ID( sp ) ;
const char *func = "thread_check" ;
@@ -325,13 +406,21 @@ static unsigned thread_check( struct ser
{
bool_int has_servers = ( running_servers + retry_servers != 0 ) ;
+#ifdef HAVE_POLL
+ if ( has_servers && pfd->events )
+#else
if ( has_servers && FD_ISSET( sd, &ps.rws.socket_mask ) )
+#endif
{
msg( LOG_ERR, func,
"Active single-threaded service %s: server running, descriptor set", sid ) ;
error_count++ ;
}
+#ifdef HAVE_POLL
+ if ( !has_servers && !pfd->events )
+#else
if ( !has_servers && !FD_ISSET( sd, &ps.rws.socket_mask ) )
+#endif
{
msg( LOG_ERR, func,
"Active single-threaded service %s: no server running, descriptor not set",
@@ -340,7 +429,11 @@ static unsigned thread_check( struct ser
}
}
else
+#ifdef HAVE_POLL
+ if ( ! pfd->events )
+#else
if ( ! FD_ISSET( sd, &ps.rws.socket_mask ) )
+#endif
{
msg( LOG_ERR, func,
"Active multi-threaded service %s: descriptor not set", sid ) ;
diff -Nurp xinetd-2.3.14-orig/xinetd/main.c xinetd-2.3.14-poll/xinetd/main.c
--- xinetd-2.3.14-orig/xinetd/main.c 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/main.c 2009-09-03 16:23:11.000000000 +0200
@@ -25,6 +25,9 @@
#include "xtimer.h"
#include "sensor.h"
#include "xmdns.h"
+#ifdef HAVE_POLL
+#include "xpoll.h"
+#endif
#ifdef __GNUC__
__attribute__ ((noreturn))
@@ -119,16 +122,24 @@ static void main_loop(void)
{
const char *func = "main_loop" ;
struct timeval tv, *tvptr = NULL;
+#ifdef HAVE_POLL
+ struct pollfd *signal_pfd;
- FD_SET(signals_pending[0], &ps.rws.socket_mask);
+ ps.rws.pfd_array[ps.rws.pfds_last].fd = signals_pending[0] ;
+ ps.rws.pfd_array[ps.rws.pfds_last].events = POLLIN ;
+ signal_pfd = &ps.rws.pfd_array[ps.rws.pfds_last] ;
+ ps.rws.pfds_last++;
+#else
+ FD_SET(signals_pending[0], &ps.rws.socket_mask) ;
if ( signals_pending[0] > ps.rws.mask_max )
ps.rws.mask_max = signals_pending[0] ;
- if ( signals_pending[1] > ps.rws.mask_max )
- ps.rws.mask_max = signals_pending[1] ;
+#endif /* HAVE_POLL */
for ( ;; )
{
+#ifndef HAVE_POLL
fd_set read_mask ;
+#endif
int n_active ;
unsigned u ;
@@ -144,9 +155,14 @@ static void main_loop(void)
tvptr = NULL;
}
+#ifdef HAVE_POLL
+ n_active = poll( ps.rws.pfd_array, ps.rws.pfds_last,
+ tvptr == NULL ? -1 : tvptr->tv_sec*1000 ) ;
+#else
read_mask = ps.rws.socket_mask ;
n_active = select( ps.rws.mask_max+1, &read_mask,
FD_SET_NULL, FD_SET_NULL, tvptr ) ;
+#endif
if ( n_active == -1 )
{
if ( errno == EINTR ) {
@@ -165,11 +181,27 @@ static void main_loop(void)
xtimer_poll();
- if( FD_ISSET(signals_pending[0], &read_mask) ) {
+#ifdef HAVE_POLL
+ if ( POLLFD_REVENTS( signal_pfd ) )
+ {
+ if ( POLLFD_REVENTS( signal_pfd ) & (POLLERR | POLLHUP |
+ POLLNVAL) )
+ find_bad_fd();
+ else
+ {
+ check_pipe();
+ if ( --n_active == 0 )
+ continue ;
+ }
+ }
+#else
+ if( FD_ISSET(signals_pending[0], &read_mask) )
+ {
check_pipe();
if ( --n_active == 0 )
continue ;
}
+#endif
#ifdef HAVE_MDNS
if( xinetd_mdns_poll() == 0 )
@@ -186,19 +218,33 @@ static void main_loop(void)
if ( ! SVC_IS_ACTIVE( sp ) )
continue ;
+#ifdef HAVE_POLL
+ if ( SVC_REVENTS( sp ) )
+ {
+ if ( SVC_REVENTS( sp ) & (POLLERR | POLLHUP |
+ POLLNVAL) )
+ find_bad_fd();
+ else
+ {
+ svc_request( sp ) ;
+ if ( --n_active == 0 )
+ break ;
+ }
+ }
+#else
if ( FD_ISSET( SVC_FD( sp ), &read_mask ) )
{
svc_request( sp ) ;
if ( --n_active == 0 )
break ;
}
+#endif
}
if ( n_active > 0 )
msg( LOG_ERR, func, "%d descriptors still set", n_active ) ;
}
}
-
/*
* This function identifies if any of the fd's in the socket mask
* is bad. We use it in case select(2) returns EBADF
@@ -208,13 +254,29 @@ static void main_loop(void)
static void find_bad_fd(void)
{
int fd ;
+#ifdef HAVE_POLL
+ const char *reason;
+#else
struct stat st ;
+#endif
unsigned bad_fd_count = 0 ;
const char *func = "find_bad_fd" ;
+#ifdef HAVE_POLL
+ for ( fd = 0 ; (unsigned)fd < ps.rws.pfds_last ; fd++ )
+ if ( ps.rws.pfd_array[fd].revents & ( POLLHUP|POLLNVAL|POLLERR ) )
+ {
+ if ( ps.rws.pfd_array[fd].revents & POLLHUP )
+ reason = "hung up";
+ else if ( ps.rws.pfd_array[fd].revents & POLLNVAL )
+ reason = "been closed";
+ else if ( ps.rws.pfd_array[fd].revents & POLLERR )
+ reason = "reported error condition";
+#else
for ( fd = 0 ; (unsigned)fd < ps.ros.max_descriptors ; fd++ )
if ( FD_ISSET( fd, &ps.rws.socket_mask ) && fstat( fd, &st ) == -1 )
{
+#endif
int found = FALSE ;
unsigned u ;
@@ -239,7 +301,11 @@ static void find_bad_fd(void)
}
if ( ! found )
{
+#ifdef HAVE_POLL
+ ps.rws.pfd_array[fd].events = 0;
+#else
FD_CLR( fd, &ps.rws.socket_mask ) ;
+#endif
msg( LOG_ERR, func,
"No active service for file descriptor %d\n", fd ) ;
bad_fd_count++ ;
diff -Nurp xinetd-2.3.14-orig/xinetd/redirect.c xinetd-2.3.14-poll/xinetd/redirect.c
--- xinetd-2.3.14-orig/xinetd/redirect.c 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/redirect.c 2009-09-02 16:00:34.000000000 +0200
@@ -58,14 +58,19 @@ void redir_handler( struct server *serp
struct service *sp = SERVER_SERVICE( serp );
struct service_config *scp = SVC_CONF( sp );
int RedirDescrip = SERVER_FD( serp );
- int maxfd;
ssize_t num_read, num_wrote=0, ret=0;
unsigned int sin_len = 0;
unsigned long bytes_in = 0, bytes_out = 0;
int no_to_nagle = 1;
int on = 1, v6on;
char buff[NET_BUFFER];
+#ifdef HAVE_POLL
+ struct pollfd *pfd_array;
+ int pfds_last = 0;
+#else
fd_set rdfd, msfd;
+ int maxfd;
+#endif
struct timeval *timep = NULL;
const char *func = "redir_handler";
union xsockaddr serveraddr ;
@@ -141,19 +146,43 @@ void redir_handler( struct server *serp
msg(LOG_ERR, func, "setsockopt RedirDescrip failed: %m");
}
+#ifdef HAVE_POLL
+#define REDIR_DESCRIP_INDEX 0
+#define REDIR_SERVER_INDEX 1
+ pfd_array = (struct pollfd *)calloc(sizeof(struct pollfd),INIT_POLLFDS);
+ if (pfd_array == NULL)
+ {
+ msg( LOG_ERR, func, "Cannot allocate memory for file descriptors!\n");
+ exit( 1 );
+ }
+ pfd_array[ REDIR_DESCRIP_INDEX ].fd = RedirDescrip;
+ pfd_array[ REDIR_DESCRIP_INDEX ].events = POLLIN;
+ pfd_array[ REDIR_SERVER_INDEX ].fd = RedirServerFd;
+ pfd_array[ REDIR_SERVER_INDEX ].events = POLLIN;
+ pfds_last += 2;
+#else
maxfd = (RedirServerFd > RedirDescrip)?RedirServerFd:RedirDescrip;
FD_ZERO(&msfd);
FD_SET(RedirDescrip, &msfd);
FD_SET(RedirServerFd, &msfd);
+#endif
while(1) {
+#ifdef HAVE_POLL
+ if ( poll( pfd_array, pfds_last, -1 ) <= 0 ) {
+#else
memcpy(&rdfd, &msfd, sizeof(rdfd));
if (select(maxfd + 1, &rdfd, (fd_set *)0, (fd_set *)0, timep) <= 0) {
+#endif
/* place for timeout code, currently does not time out */
break;
}
+#ifdef HAVE_POLL
+ if ( pfd_array[REDIR_DESCRIP_INDEX].revents ) {
+#else
if (FD_ISSET(RedirDescrip, &rdfd)) {
+#endif
do {
num_read = read(RedirDescrip,
buff, sizeof(buff));
@@ -179,7 +208,11 @@ void redir_handler( struct server *serp
}
}
+#ifdef HAVE_POLL
+ if ( pfd_array[REDIR_SERVER_INDEX].revents ) {
+#else
if (FD_ISSET(RedirServerFd, &rdfd)) {
+#endif
do {
num_read = read(RedirServerFd,
buff, sizeof(buff));
diff -Nurp xinetd-2.3.14-orig/xinetd/server.c xinetd-2.3.14-poll/xinetd/server.c
--- xinetd-2.3.14-orig/xinetd/server.c 2005-03-29 17:50:34.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/server.c 2009-09-02 11:30:27.000000000 +0200
@@ -298,7 +298,11 @@ void server_end( struct server *serp )
/* Added this for when accepting wait=yes services */
if( SVC_WAITS( sp ) )
+#ifdef HAVE_POLL
+ SVC_EVENTS( sp ) = POLLIN ;
+#else
FD_SET( SVC_FD( sp ), &ps.rws.socket_mask ) ;
+#endif /* HAVE_POLL */
svc_postmortem( sp, serp ) ;
server_release( serp ) ;
diff -Nurp xinetd-2.3.14-orig/xinetd/service.c xinetd-2.3.14-poll/xinetd/service.c
--- xinetd-2.3.14-orig/xinetd/service.c 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/service.c 2009-09-02 17:03:49.000000000 +0200
@@ -71,8 +71,6 @@ static const struct name_value service_s
{ "BAD STATE", 0 }
} ;
-
-
/*
* Allocate a new struct service and initialize it from scp
*/
@@ -115,6 +113,10 @@ struct service *svc_make_special( struct
void svc_free( struct service *sp )
{
+#ifdef HAVE_POLL
+ *SVC_POLLFD( sp ) = ps.rws.pfd_array[--ps.rws.pfds_last] ;
+#endif /* HAVE_POLL */
+
sc_free( SVC_CONF(sp) ) ;
CLEAR( *sp ) ;
FREE_SVC( sp ) ;
@@ -325,6 +327,25 @@ status_e svc_activate( struct service *s
return( OK );
}
+#ifdef HAVE_POLL
+ if ( ps.rws.pfds_last >= ps.rws.pfds_allocated )
+ {
+ int pos;
+ ps.rws.pfds_allocated += INIT_POLLFDS;
+ struct pollfd *tmp = (struct pollfd *)realloc( ps.rws.pfd_array,
+ ps.rws.pfds_allocated*sizeof(struct pollfd));
+ if ( tmp == NULL )
+ {
+ out_of_memory( func );
+ return( FAILED );
+ }
+ memset(&ps.rws.pfd_array[ps.rws.pfds_last], 0, (ps.rws.pfds_allocated-
+ ps.rws.pfds_last)*sizeof(struct pollfd));
+ ps.rws.pfd_array = tmp;
+ }
+ SVC_POLLFD( sp ) = &ps.rws.pfd_array[ps.rws.pfds_last++] ;
+#endif /* HAVE_POLL */
+
if( SC_IPV4( scp ) ) {
SVC_FD(sp) = socket( AF_INET,
SC_SOCKET_TYPE( scp ), SC_PROTOVAL( scp ) ) ;
@@ -390,9 +411,14 @@ status_e svc_activate( struct service *s
SVC_STATE(sp) = SVC_ACTIVE ;
+#ifdef HAVE_POLL
+ SVC_EVENTS( sp ) = POLLIN ;
+#else
FD_SET( SVC_FD(sp), &ps.rws.socket_mask ) ;
+
if ( SVC_FD(sp) > ps.rws.mask_max )
ps.rws.mask_max = SVC_FD(sp) ;
+#endif /* HAVE_POLL */
ps.rws.active_services++ ;
ps.rws.available_services++ ;
@@ -442,7 +468,11 @@ void svc_deactivate( struct service *sp
if ( SVC_IS_ACTIVE( sp ) )
{
+#ifdef HAVE_POLL
+ SVC_EVENTS( sp ) = 0;
+#else
FD_CLR( SVC_FD( sp ), &ps.rws.socket_mask ) ;
+#endif /* HAVE_POLL */
ps.rws.active_services-- ;
}
@@ -465,7 +495,15 @@ void svc_suspend( struct service *sp )
return ;
}
+#ifdef HAVE_POLL
+ /*
+ * don't reap the pfd from pfd_array, since we must have it allocated for
+ * SVC_FD( sp )
+ */
+ SVC_EVENTS( sp ) = 0;
+#else
FD_CLR( SVC_FD( sp ), &ps.rws.socket_mask ) ;
+#endif
ps.rws.active_services-- ;
if ( debug.on )
msg( LOG_DEBUG, func, "Suspended service %s", SVC_ID( sp ) ) ;
@@ -481,7 +519,12 @@ void svc_resume( struct service *sp )
{
const char *func = "svc_resume" ;
+#ifdef HAVE_POLL
+ SVC_EVENTS( sp ) = POLLIN ;
+#else
FD_SET( SVC_FD( sp ), &ps.rws.socket_mask ) ;
+#endif
+
ps.rws.active_services++ ;
if ( debug.on )
msg( LOG_DEBUG, func, "Resumed service %s", SVC_ID( sp ) ) ;
diff -Nurp xinetd-2.3.14-orig/xinetd/service.h xinetd-2.3.14-poll/xinetd/service.h
--- xinetd-2.3.14-orig/xinetd/service.h 2005-03-29 17:50:34.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/service.h 2009-09-03 16:24:16.000000000 +0200
@@ -17,6 +17,9 @@
#include "pset.h"
#include "xlog.h"
#include "server.h"
+#ifdef HAVE_POLL
+#include "xpoll.h"
+#endif
/*
* $Id: service.h,v 1.6 2012-05-09 15:40:29 bbraun Exp $
@@ -45,7 +48,13 @@ struct service
state_e svc_state ;
int svc_ref_count ; /* # of pters to this struct */
struct service_config *svc_conf ; /* service configuration */
+
+#ifdef HAVE_POLL
+ struct pollfd *svc_pfd ; /* pointer to the pollfd */
+#else
int svc_fd ; /* The Listening FD for the service */
+#endif /* HAVE_POLL */
+
unsigned svc_running_servers ;
unsigned svc_retry_servers ;
unsigned svc_attempts ; /* # of attempts to start server */
@@ -70,7 +79,17 @@ struct service
* Field access macros
*/
#define SVC_CONF( sp ) ( (sp)->svc_conf )
+
+#ifdef HAVE_POLL
+#define SVC_POLLFD( sp ) ( (sp)->svc_pfd )
+#define SVC_POLLFD_OFF( sp ) ( SVC_POLLFD( sp )-ps.rws.pfd_array )
+#define SVC_EVENTS( sp ) ( POLLFD_EVENTS( SVC_POLLFD( sp ) ) )
+#define SVC_REVENTS( sp ) ( POLLFD_REVENTS( SVC_POLLFD( sp ) ) )
+#define SVC_FD( sp ) ( POLLFD_FD( SVC_POLLFD( sp ) ) )
+#else
#define SVC_FD( sp ) ( (sp)->svc_fd )
+#endif /* HAVE_POLL */
+
#define SVC_RUNNING_SERVERS( sp ) (sp)->svc_running_servers
#define SVC_RETRIES( sp ) (sp)->svc_retry_servers
#define SVC_LOG( sp ) (sp)->svc_log
diff -Nurp xinetd-2.3.14-orig/xinetd/state.h xinetd-2.3.14-poll/xinetd/state.h
--- xinetd-2.3.14-orig/xinetd/state.h 2005-03-31 01:15:28.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/state.h 2009-09-02 11:30:27.000000000 +0200
@@ -21,7 +21,10 @@
#endif
#include "libportable.h"
-#ifdef HAVE_SYS_SELECT_H
+#ifdef HAVE_POLL
+#include <poll.h>
+#endif
+#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
@@ -32,7 +35,6 @@
struct read_only_state
{
- rlim_t orig_max_descriptors ; /* original soft rlimit */
rlim_t max_descriptors ; /* original hard rlimit or OPEN_MAX */
rlim_t process_limit ; /* if 0, there is no limit */
int cc_interval ; /* # of seconds the cc gets invoked. */
@@ -58,8 +60,15 @@ struct read_write_state
int available_services ; /* # of available services */
int active_services ; /* services with descriptors set */
/* in socket mask */
+#ifdef HAVE_POLL
+ struct pollfd *pfd_array; /* array passed to poll(2) */
+ int pfds_last; /* index of last fd in the array */
+ int pfds_allocated; /* size of the array */
+#else
fd_set socket_mask ;
int mask_max ;
+#endif /* HAVE_POLL */
+
pset_h servers ; /* table of running servers */
pset_h retries ; /* table of servers to retry */
pset_h services ; /* table of services */
diff -Nurp xinetd-2.3.14-orig/xinetd/tcpint.c xinetd-2.3.14-poll/xinetd/tcpint.c
--- xinetd-2.3.14-orig/xinetd/tcpint.c 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/tcpint.c 2009-09-02 16:49:32.000000000 +0200
@@ -63,7 +63,15 @@ struct intercept_s *si_init( struct serv
return( ip ) ;
}
+#ifdef HAVE_POLL
+static status_e handle_io( psi_h iter, channel_s *chp,
+ struct pollfd *pfd_handled,
+ struct pollfd *pfd_array,
+ int *pfds_last,
+ stream_status_e (*iofunc)() );
+#else
static status_e handle_io( psi_h iter, channel_s *chp, fd_set *maskp, stream_status_e (*iofunc)() );
+#endif
static stream_status_e tcp_local_to_remote( channel_s *chp );
static stream_status_e tcp_remote_to_local( channel_s *chp );
static void connection_request( struct intercept_s *ip, channel_s **chpp );
@@ -82,14 +90,26 @@ void si_exit(void)
static void si_mux(void)
{
struct intercept_s *ip = &stream_intercept_state ;
+#ifdef HAVE_POLL
+ struct pollfd *pfd_array;
+ int pfds_last = 0;
+ int pfds_allocated = INIT_POLLFDS;
+#else
fd_set socket_mask ;
int mask_max ;
+#endif
psi_h iter ;
const char *func = "si_mux" ;
+#ifdef HAVE_POLL
+ pfd_array = calloc(sizeof(struct pollfd),INIT_POLLFDS);
+ pfd_array[ pfds_last ].fd = INT_REMOTE( ip ) ;
+ pfd_array[ pfds_last++ ].events = POLLIN | POLLOUT;
+#else
FD_ZERO( &socket_mask ) ;
FD_SET( INT_REMOTE( ip ), &socket_mask ) ;
mask_max = INT_REMOTE( ip ) ;
+#endif
iter = psi_create( INT_CONNECTIONS( ip ) ) ;
if ( iter == NULL )
@@ -101,26 +121,43 @@ static void si_mux(void)
for ( ;; )
{
channel_s *chp ;
+#ifndef HAVE_POLL
fd_set read_mask ;
+#endif
int n_ready ;
+#ifdef HAVE_POLL
+ n_ready = int_poll( pfds_last, pfd_array ) ;
+#else
read_mask = socket_mask ;
n_ready = int_select( mask_max+1, &read_mask ) ;
+#endif
if ( n_ready == -1 )
return ;
+#ifdef HAVE_POLL
+ if ( pfd_array[0].revents & ( POLLIN | POLLOUT ) )
+#else
if ( FD_ISSET( INT_REMOTE( ip ), &read_mask ) )
+#endif
{
connection_request( ip, &chp ) ;
if ( chp != NULL )
{
+#ifdef HAVE_POLL
+ pfd_array[ pfds_last ].fd = chp->ch_local_socket ;
+ pfd_array[ pfds_last++ ].events = POLLIN | POLLOUT ;
+ pfd_array[ pfds_last ].fd = chp->ch_remote_socket ;
+ pfd_array[ pfds_last++ ].events = POLLIN | POLLOUT ;
+#else
FD_SET( chp->ch_local_socket, &socket_mask ) ;
if ( chp->ch_local_socket > mask_max )
mask_max = chp->ch_local_socket ;
FD_SET( chp->ch_remote_socket, &socket_mask ) ;
if ( chp->ch_remote_socket > mask_max )
mask_max = chp->ch_remote_socket ;
+#endif
}
if ( --n_ready == 0 )
continue ;
@@ -128,27 +165,57 @@ static void si_mux(void)
for ( chp = CHP( psi_start(iter) ) ; chp ; chp = CHP( psi_next(iter) ) )
{
+#ifdef HAVE_POLL
+ int i;
+ struct pollfd *local_pfd = NULL, *remote_pfd = NULL;
+
+ /* TODO: detection with O(n)=1 */
+ for (i = 0 ; i < pfds_last ; i++ )
+ if (pfd_array[i].fd == chp->ch_local_socket)
+ local_pfd = &pfd_array[i];
+ else if (pfd_array[i] .fd== chp->ch_remote_socket)
+ remote_pfd = &pfd_array[i];
+
+ if ( local_pfd != NULL &&
+ local_pfd->revents & ( POLLIN | POLLOUT) )
+#else
if ( FD_ISSET( chp->ch_local_socket, &read_mask ) )
+#endif
{
#ifdef DEBUG_TCPINT
if ( debug.on )
msg( LOG_DEBUG, func, "Input available on local socket %d",
chp->ch_local_socket ) ;
#endif
+#ifdef HAVE_POLL
+ if ( handle_io( iter, chp, local_pfd, pfd_array,
+ &pfds_last, tcp_local_to_remote ) == FAILED )
+#else
if ( handle_io( iter, chp, &socket_mask, tcp_local_to_remote ) == FAILED )
+#endif
return ;
if ( --n_ready == 0 )
break ;
}
+#ifdef HAVE_POLL
+ if ( remote_pfd != NULL &&
+ remote_pfd->revents & ( POLLIN | POLLOUT) )
+#else
if ( FD_ISSET( chp->ch_remote_socket, &read_mask ) )
+#endif
{
#ifdef DEBUG_TCPINT
msg( LOG_DEBUG, func, "Input available on remote socket %d",
chp->ch_remote_socket ) ;
#endif
+#ifdef HAVE_POLL
+ if ( handle_io( iter, chp, remote_pfd, pfd_array,
+ &pfds_last, tcp_local_to_remote ) == FAILED )
+#else
if ( handle_io( iter, chp,
&socket_mask, tcp_remote_to_local ) == FAILED )
+#endif
return ;
if ( --n_ready == 0 )
break ;
@@ -158,10 +225,19 @@ static void si_mux(void)
}
+#ifdef HAVE_POLL
+static status_e handle_io( psi_h iter,
+ channel_s *chp,
+ struct pollfd *pfd_handled,
+ struct pollfd *pfd_array,
+ int *pfds_last,
+ stream_status_e (*iofunc)() )
+#else
static status_e handle_io( psi_h iter,
channel_s *chp,
fd_set *maskp,
stream_status_e (*iofunc)() )
+#endif
{
const char *func = "handle_io" ;
@@ -178,8 +254,13 @@ static status_e handle_io( psi_h iter,
xaddrname( &chp->ch_from ), ntohs(xaddrport( &chp->ch_from )),
chp->ch_local_socket, chp->ch_remote_socket ) ;
+#ifdef HAVE_POLL
+ if ( pfd_handled != NULL)
+ *pfd_handled = pfd_array[ --( *pfds_last ) ];
+#else
FD_CLR( chp->ch_local_socket, maskp ) ;
FD_CLR( chp->ch_remote_socket, maskp ) ;
+#endif
(void) Sclose( chp->ch_remote_socket ) ;
(void) Sclose( chp->ch_local_socket ) ;
psi_remove( iter ) ;
diff -Nurp xinetd-2.3.14-orig/xinetd/udpint.c xinetd-2.3.14-poll/xinetd/udpint.c
--- xinetd-2.3.14-orig/xinetd/udpint.c 2009-07-27 13:27:59.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/udpint.c 2009-09-02 16:59:33.000000000 +0200
@@ -15,6 +15,9 @@
#include <syslog.h>
#include <errno.h>
+#ifdef HAVE_POLL
+#include <poll.h>
+#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
@@ -97,34 +100,61 @@ void di_exit(void)
static void di_mux(void)
{
struct intercept_s *ip = &dgram_intercept_state ;
+#ifdef HAVE_POLL
+ struct pollfd *pfd_array;
+ int pfds_last = 0;
+ int pfds_allocated = INIT_POLLFDS;
+#else
fd_set socket_mask ;
int mask_max ;
+#endif
+#ifdef HAVE_POLL
+ pfd_array = (struct pollfd *)calloc(sizeof(struct pollfd),INIT_POLLFDS);
+ pfd_array[ pfds_last ].fd = INT_REMOTE( ip );
+ pfd_array[ pfds_last++ ].events = POLLIN | POLLOUT;
+#else
FD_ZERO( &socket_mask ) ;
FD_SET( INT_REMOTE( ip ), &socket_mask ) ;
mask_max = INT_REMOTE( ip ) ;
+#endif
for ( ;; )
{
unsigned u ;
channel_s *chp ;
+#ifndef HAVE_POLL
fd_set read_mask ;
+#endif
int n_ready ;
+#ifdef HAVE_POLL
+ n_ready = int_poll( pfds_last, pfd_array ) ;
+#else
read_mask = socket_mask ;
n_ready = int_select( mask_max+1, &read_mask ) ;
+#endif
if ( n_ready == -1 )
return ;
+#ifdef HAVE_POLL
+ if ( pfd_array[0].revents & ( POLLIN | POLLOUT ) )
+#else
if ( FD_ISSET( INT_REMOTE( ip ), &read_mask ) )
+#endif
{
udp_remote_to_local( ip, &chp ) ;
if ( chp != NULL )
{
+#ifdef HAVE_POLL
+ pfd_array[ pfds_last ].fd = chp->ch_local_socket ;
+ pfd_array[ pfds_last++ ].events = POLLIN | POLLOUT ;
+#else
FD_SET( chp->ch_local_socket, &socket_mask ) ;
if ( chp->ch_local_socket > mask_max )
mask_max = chp->ch_local_socket ;
+#endif
}
if ( --n_ready == 0 )
continue ;
@@ -134,7 +164,17 @@ static void di_mux(void)
{
chp = CHP( pset_pointer( INT_CONNECTIONS( ip ), u ) ) ;
+#ifdef HAVE_POLL
+ int i;
+ /* TODO: detection with O(n)=1 */
+ for (i = 0 ; i < pfds_last ; i++)
+ if (pfd_array[i].fd == chp->ch_local_socket)
+ break;
+ if (pfd_array[i].fd == chp->ch_local_socket &&
+ (pfd_array[i].revents & ( POLLIN | POLLOUT )))
+#else
if ( FD_ISSET( chp->ch_local_socket, &read_mask ) )
+#endif
{
if ( udp_local_to_remote( chp ) == FAILED )
return ;
diff -Nurp xinetd-2.3.14-orig/xinetd/xmdns.c xinetd-2.3.14-poll/xinetd/xmdns.c
--- xinetd-2.3.14-orig/xinetd/xmdns.c 2005-04-08 23:23:07.000000000 +0200
+++ xinetd-2.3.14-poll/xinetd/xmdns.c 2009-09-02 17:01:54.000000000 +0200
@@ -109,7 +109,26 @@ int xinetd_mdns_init(void) {
ps.rws.mdns_state = NULL;
return -1;
}
+#ifdef HAVE_POLL
+ if ( ps.rws.pfds_last >= ps.rws.pfds_allocated )
+ {
+ ps.rws.pfds_allocated += INIT_POLLFDS;
+ struct pollfd *tmp = (struct pollfd *)realloc( ps.rws.pfd_array,
+ ps.rws.pfds_allocated*sizeof(struct pollfd));
+ if ( tmp == NULL )
+ {
+ out_of_memory( func );
+ return -1;
+ }
+ memset(&ps.rws.pfd_array[ps.rws.pfds_last], 0, (ps.rws.pfds_allocated-
+ ps.rws.pfds_last)*sizeof(struct pollfd));
+ ps.rws.pfd_array = tmp;
+ }
+ ps.rws.pfd_array[ ps.rws.pfds_last ].fd = sw_discovery_socket(*(sw_discovery *)ps.rws.mdns_state);
+ ps.rws.pfd_array[ ps.rws.pfds_last++ ].events = POLLIN;
+#else
FD_SET( sw_discovery_socket(*(sw_discovery *)ps.rws.mdns_state), &ps.rws.socket_mask ) ;
+#endif
return 0;
#endif
}
diff -Nurp xinetd-2.3.14-orig/xinetd/xpoll.h xinetd-2.3.14-poll/xinetd/xpoll.h
--- xinetd-2.3.14-orig/xinetd/xpoll.h 1970-01-01 01:00:00.000000000 +0100
+++ xinetd-2.3.14-poll/xinetd/xpoll.h 2009-09-02 11:30:27.000000000 +0200
@@ -0,0 +1,23 @@
+/*
+ * (c) Copyright 2009 by Red Hat Inc.
+ * All rights reserved. The file named COPYRIGHT specifies the terms
+ * and conditions for redistribution.
+ */
+#include "config.h"
+#ifdef HAVE_POLL
+#ifndef _X_POLL_H
+#define _X_POLL_H
+
+#include <poll.h>
+#include "defs.h"
+
+
+/* Field accessor methods for pollfd in defined in poll.h */
+#define POLLFD_FD( pfd ) ( (pfd)->fd )
+#define POLLFD_EVENTS( pfd ) ( (pfd)->events )
+#define POLLFD_REVENTS( pfd ) ( (pfd)->revents )
+
+/* TODO: write memory management stuff in xpoll.c if needed */
+
+#endif /* _X_POLL_H */
+#endif /* HAVE_POLL */