Page MenuHomeClusterLabs Projects

No OneTemporary

diff --git a/configure.ac b/configure.ac
index 5f809fcc..2fd31317 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,462 +1,464 @@
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# bootstrap / init
AC_PREREQ([2.61])
AC_INIT([corosync], [1.0.1], [openais@lists.osdl.org])
AM_INIT_AUTOMAKE([-Wno-portability])
AC_CONFIG_SRCDIR([lib/coroipcc.c])
AC_CONFIG_HEADER([include/corosync/config.h include/corosync/cs_config.h])
AC_CANONICAL_HOST
AC_LANG([C])
# Define SVN revision
AC_DEFINE([SVN_REVISION],["m4_esyscmd([svnversion >/dev/null 2>&1 && \
svnversion -n || \
echo -n exported])"], [SVN revision])
dnl Fix default variables - "prefix" variable if not specified
if test "$prefix" = "NONE"; then
prefix="/usr"
dnl Fix "localstatedir" variable if not specified
if test "$localstatedir" = "\${prefix}/var"; then
localstatedir="/var"
fi
dnl Fix "sysconfdir" variable if not specified
if test "$sysconfdir" = "\${prefix}/etc"; then
sysconfdir="/etc"
fi
dnl Fix "libdir" variable if not specified
if test "$libdir" = "\${exec_prefix}/lib"; then
if test -e /usr/lib64; then
libdir="/usr/lib64"
else
libdir="/usr/lib"
fi
fi
fi
if test "$srcdir" = "."; then
AC_MSG_NOTICE([building in place srcdir:$srcdir])
AC_DEFINE([BUILDING_IN_PLACE], 1, [building in place])
else
AC_MSG_NOTICE([building out of tree srcdir:$srcdir])
fi
# Checks for programs.
# check stolen from gnulib/m4/gnu-make.m4
if ! ${MAKE-make} --version /cannot/make/this >/dev/null 2>&1; then
AC_MSG_ERROR([you don't seem to have GNU make; it is required])
fi
sinclude(coroysync-default.m4)
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_CHECK_PROGS([GROFF], [groff])
AC_CHECK_PROGS([PKGCONFIG], [pkg-config])
# Checks for libraries.
AC_CHECK_LIB([dl], [dlopen])
AC_CHECK_LIB([pthread], [pthread_create])
AC_CHECK_LIB([socket], [socket])
AC_CHECK_LIB([nsl], [t_open])
AC_CHECK_LIB([rt], [sched_getscheduler])
# Checks for header files.
AC_FUNC_ALLOCA
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h netdb.h netinet/in.h stdint.h \
stdlib.h string.h sys/ioctl.h sys/param.h sys/socket.h \
sys/time.h syslog.h unistd.h sys/types.h getopt.h malloc.h \
sys/sockio.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_HEADER_TIME
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_C_VOLATILE
# Checks for library functions.
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_ERROR_AT_LINE
AC_REPLACE_FNMATCH
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([alarm alphasort atexit bzero dup2 endgrent endpwent fcntl \
getcwd getpeerucred getpeereid gettimeofday inet_ntoa memmove \
memset mkdir scandir select socket strcasecmp strchr strdup \
strerror strrchr strspn strstr pthread_spin_lock \
pthread_spin_unlock pthread_setschedparam \
sched_get_priority_max sched_setscheduler])
AC_CONFIG_FILES([Makefile
exec/Makefile
include/Makefile
init/Makefile
lcr/Makefile
lib/Makefile
man/Makefile
pkgconfig/Makefile
services/Makefile
test/Makefile
tools/Makefile])
### Local business
# ===============================================
# Helpers
# ===============================================
## helper for CC stuff
cc_supports_flag() {
local CFLAGS="$@"
AC_MSG_CHECKING([whether $CC supports "$@"])
AC_COMPILE_IFELSE([int main(){return 0;}] ,
[RC=0; AC_MSG_RESULT([yes])],
[RC=1; AC_MSG_RESULT([no])])
return $RC
}
## cleanup
AC_MSG_NOTICE(Sanitizing prefix: ${prefix})
case $prefix in
NONE) prefix=/usr/local;;
esac
AC_MSG_NOTICE(Sanitizing exec_prefix: ${exec_prefix})
case $exec_prefix in
dnl For consistency with Corosync, map NONE->$prefix
NONE) exec_prefix=$prefix;;
prefix) exec_prefix=$prefix;;
esac
## local defines
PACKAGE_FEATURES=""
LINT_FLAGS="-weak -unrecog +posixlib +ignoresigns -fcnuse \
-badflag -D__gnuc_va_list=va_list -D__attribute\(x\)="
# libraries SONAME
SOMAJOR="4"
SOMINOR="0"
SOMICRO="0"
SONAME="${SOMAJOR}.${SOMINOR}.${SOMICRO}"
# Special for libcpg
CPG_SOMICRO="1"
CPG_SONAME="${SOMAJOR}.${SOMINOR}.${CPG_SOMICRO}"
# local options
AC_ARG_ENABLE([ansi],
[ --enable-ansi : force to build with ANSI standards. ],
[ default="no" ])
AC_ARG_ENABLE([fatal-warnings],
[ --enable-fatal-warnings : enable fatal warnings. ],
[ default="no" ])
AC_ARG_ENABLE([debug],
[ --enable-debug : enable debug build. ],
[ default="no" ])
AC_ARG_ENABLE([coverage],
[ --enable-coverage : coverage analysis of the codebase. ],
[ default="no" ])
AC_ARG_ENABLE([small-memory-footprint],
[ --enable-small-memory-footprint : Use small message queues and small messages sizes. ],
[ default="no" ])
AC_ARG_ENABLE([nss],
[ --enable-nss : Network Security Services encryption. ],,
[ enable_nss="yes" ])
AC_ARG_ENABLE([rdma],
[ --enable-rdma : Infiniband RDMA transport support ],,
[ enable_rdma="no" ])
AC_ARG_WITH([lcrso-dir],
[ --with-lcrso-dir=DIR : corosync lcrso files. ],
[ LCRSODIR="$withval" ],
[ LCRSODIR="$libexecdir/lcrso" ])
AC_ARG_WITH([socket-dir],
[ --with-socket-dir=DIR : corosync socket dir. ],
[ SOCKETDIR="$withval" ],
[ SOCKETDIR="$localstatedir/run" ])
# OS detection
# THIS SECTION MUST DIE!
CP=cp
OS_LDL="-ldl"
case "$host_os" in
*linux*)
AC_DEFINE_UNQUOTED([COROSYNC_LINUX], [1],
[Compiling for Linux platform])
OS_CFLAGS=""
OS_CPPFLAGS=""
OS_LDFLAGS=""
OS_DYFLAGS="-rdynamic"
DARWIN_OPTS=""
;;
darwin*)
AC_DEFINE_UNQUOTED([COROSYNC_DARWIN], [1],
[Compiling for Darwin platform])
CP=rsync
OS_CFLAGS=""
OS_CPPFLAGS=""
OS_LDFLAGS=""
OS_DYFLAGS=""
DARWIN_OPTS="-dynamiclib -bind_at_load \
-current_version ${SONAME} \
-compatibility_version ${SONAME} -install_name \$(libdir)/\$(@)"
AC_DEFINE_UNQUOTED([MAP_ANONYMOUS], [MAP_ANON],
[Shared memory define for Darwin platform])
AC_DEFINE_UNQUOTED([PATH_MAX], [4096],
[Number of chars in a path name including nul])
AC_DEFINE_UNQUOTED([NAME_MAX], [255],
[Number of chars in a file name])
;;
*bsd*)
AC_DEFINE_UNQUOTED([COROSYNC_BSD], [1],
[Compiling for BSD platform])
AC_DEFINE_UNQUOTED([MAP_ANONYMOUS], [MAP_ANON],
[Shared memory define for Darwin platform])
OS_CFLAGS=""
OS_CPPFLAGS="-I/usr/local/include"
OS_LDFLAGS="-L/usr/local/lib"
OS_DYFLAGS="-export-dynamic"
DARWIN_OPTS=""
OS_LDL=""
;;
*solaris*)
AC_DEFINE_UNQUOTED([COROSYNC_SOLARIS], [1],
[Compiling for Solaris platform])
AC_DEFINE_UNQUOTED([TS_CLASS], [1],
[Prevent being scheduled RR])
AC_DEFINE_UNQUOTED([_SEM_SEMUN_UNDEFINED], [1],
[The semun structure is undefined])
CP=rsync
OS_CFLAGS=""
OS_CPPFLAGS="-D_REENTRANT"
OS_LDFLAGS=""
OS_DYFLAGS="-Wl,-z,lazyload"
DARWIN_OPTS=""
SOLARIS_OPTS=" "
;;
*)
AC_MSG_ERROR([Unsupported OS? hmmmm])
;;
esac
AC_SUBST(CP)
# *FLAGS handling goes here
ENV_CFLAGS="$CFLAGS"
ENV_CPPFLAGS="$CPPFLAGS"
ENV_LDFLAGS="$LDFLAGS"
# debug build stuff
if test "x${enable_debug}" = xyes; then
AC_DEFINE_UNQUOTED([DEBUG], [1], [Compiling Debugging code])
OPT_CFLAGS="-O0"
PACKAGE_FEATURES="$PACKAGE_FEATURES debug"
else
OPT_CFLAGS="-O3"
fi
# gdb flags
if test "x${GCC}" = xyes; then
GDB_FLAGS="-ggdb3"
else
GDB_FLAGS="-g"
fi
# Look for libnss
if test "x${enable_nss}" = xyes; then
PKG_CHECK_MODULES([nss],[nss])
AC_DEFINE_UNQUOTED([HAVE_LIBNSS], 1, [have libnss])
PACKAGE_FEATURES="$PACKAGE_FEATURES nss"
fi
if test "x${enable_rdma}" = xyes; then
PKG_CHECK_MODULES([rdmacm],[rdmacm])
AC_DEFINE_UNQUOTED([HAVE_RDMA], 1, [have rdmacm])
PACKAGE_FEATURES="$PACKAGE_FEATURES rdma"
fi
# extra warnings
EXTRA_WARNINGS=""
WARNLIST="
all
shadow
missing-prototypes
missing-declarations
strict-prototypes
declaration-after-statement
pointer-arith
write-strings
cast-align
bad-function-cast
missing-format-attribute
format=2
format-security
format-nonliteral
no-long-long
unsigned-char
gnu89-inline
no-strict-aliasing
"
for j in $WARNLIST; do
if cc_supports_flag -W$j; then
EXTRA_WARNINGS="$EXTRA_WARNINGS -W$j";
fi
done
if test "x${enable_coverage}" = xyes && \
cc_supports_flag -ftest-coverage && \
cc_supports_flag -fprofile-arcs ; then
AC_MSG_NOTICE([Enabling Coverage (enable -O0 by default)])
OPT_CFLAGS="-O0"
COVERAGE_CFLAGS="-ftest-coverage -fprofile-arcs"
COVERAGE_LDFLAGS="-ftest-coverage -fprofile-arcs"
PACKAGE_FEATURES="$PACKAGE_FEATURES coverage"
else
COVERAGE_CFLAGS=""
COVERAGE_LDFLAGS=""
fi
if test "x${enable_small_memory_footprint}" = xyes ; then
AC_DEFINE_UNQUOTED([HAVE_SMALL_MEMORY_FOOTPRINT], 1, [have small_memory_footprint])
PACKAGE_FEATURES="$PACKAGE_FEATURES small-memory-footprint"
fi
if test "x${enable_ansi}" = xyes && \
cc_supports_flag -std=iso9899:199409 ; then
AC_MSG_NOTICE([Enabling ANSI Compatibility])
ANSI_CPPFLAGS="-ansi -D_GNU_SOURCE -DANSI_ONLY"
PACKAGE_FEATURES="$PACKAGE_FEATURES ansi"
else
ANSI_CPPFLAGS=""
fi
if test "x${enable_fatal_warnings}" = xyes && \
cc_supports_flag -Werror ; then
AC_MSG_NOTICE([Enabling Fatal Warnings (-Werror)])
WERROR_CFLAGS="-Werror"
PACKAGE_FEATURES="$PACKAGE_FEATURES fatal-warnings"
else
WERROR_CFLAGS=""
fi
# final build of *FLAGS
CFLAGS="$ENV_CFLAGS $OPT_CFLAGS $GDB_FLAGS $OS_CFLAGS \
$COVERAGE_CFLAGS $EXTRA_WARNINGS $WERROR_CFLAGS $NSS_CFLAGS"
CPPFLAGS="$ENV_CPPFLAGS $ANSI_CPPFLAGS $OS_CPPFLAGS"
LDFLAGS="$ENV_LDFLAGS $COVERAGE_LDFLAGS $OS_LDFLAGS"
# substitute what we need:
AC_SUBST([LCRSODIR])
AC_SUBST([SOCKETDIR])
AC_SUBST([SOMAJOR])
AC_SUBST([SOMINOR])
AC_SUBST([SOMICRO])
AC_SUBST([SONAME])
AC_SUBST([CPG_SONAME])
AC_SUBST([OS_DYFLAGS])
AC_SUBST([OS_LDL])
AC_SUBST([NSS_LDFLAGS])
AM_CONDITIONAL(BUILD_DARWIN, test -n "${DARWIN_OPTS}")
AM_CONDITIONAL(BUILD_SOLARIS, test -n "${SOLARIS_OPTS}")
AC_SUBST([DARWIN_OPTS])
AC_SUBST([SOLARIS_OPTS])
AM_CONDITIONAL(BUILD_HTML_DOCS, test -n "${GROFF}")
AC_SUBST([LINT_FLAGS])
AC_DEFINE_UNQUOTED([LCRSODIR], "$(eval echo ${LCRSODIR})", [LCRSO directory])
AC_DEFINE_UNQUOTED([SOCKETDIR], "$(eval echo ${SOCKETDIR})", [Socket directory])
AC_DEFINE_UNQUOTED([LOCALSTATEDIR], "$(eval echo ${localstatedir})", [localstate directory])
COROSYSCONFDIR=${sysconfdir}/corosync
AC_SUBST([COROSYSCONFDIR])
AC_DEFINE_UNQUOTED([COROSYSCONFDIR], "$(eval echo ${COROSYSCONFDIR})", [corosync config directory])
+AC_DEFINE_UNQUOTED([PACKAGE_FEATURES], "${PACKAGE_FEATURES}", [corosync built-in features])
+
AC_OUTPUT
AC_MSG_RESULT([])
AC_MSG_RESULT([$PACKAGE configuration:])
AC_MSG_RESULT([ Version = ${VERSION}])
AC_MSG_RESULT([ Prefix = ${prefix}])
AC_MSG_RESULT([ Executables = ${sbindir}])
AC_MSG_RESULT([ Man pages = ${mandir}])
AC_MSG_RESULT([ Doc dir = ${docdir}])
AC_MSG_RESULT([ Libraries = ${libdir}])
AC_MSG_RESULT([ Header files = ${includedir}])
AC_MSG_RESULT([ Arch-independent files = ${datadir}])
AC_MSG_RESULT([ State information = ${localstatedir}])
AC_MSG_RESULT([ System configuration = ${sysconfdir}])
AC_MSG_RESULT([ corosync config dir = ${COROSYSCONFDIR}])
AC_MSG_RESULT([ LCRSO = ${LCRSODIR}])
AC_MSG_RESULT([ SOCKETDIR = ${SOCKETDIR}])
AC_MSG_RESULT([ Features =${PACKAGE_FEATURES}])
AC_MSG_RESULT([])
AC_MSG_RESULT([$PACKAGE build info:])
AC_MSG_RESULT([ Library SONAME = ${SONAME}])
AC_MSG_RESULT([ CPG Library SONAME = ${CPG_SONAME}])
AC_MSG_RESULT([ Default optimization = ${OPT_CFLAGS}])
AC_MSG_RESULT([ Default debug options = ${GDB_CFLAGS}])
AC_MSG_RESULT([ Extra compiler warnings = ${EXTRA_WARNING}])
AC_MSG_RESULT([ Env. defined CFLAG = ${ENV_CFLAGS}])
AC_MSG_RESULT([ Env. defined CPPFLAGS = ${ENV_CPPFLAGS}])
AC_MSG_RESULT([ Env. defined LDFLAGS = ${ENV_LDFLAGS}])
AC_MSG_RESULT([ OS defined CFLAGS = ${OS_CFLAGS}])
AC_MSG_RESULT([ OS defined CPPFLAGS = ${OS_CPPFLAGS}])
AC_MSG_RESULT([ OS defined LDFLAGS = ${OS_LDFLAGS}])
AC_MSG_RESULT([ OS defined LDL = ${OS_LDL}])
AC_MSG_RESULT([ OS defined DYFLAGS = ${OS_DYFLAGS}])
AC_MSG_RESULT([ ANSI defined CPPFLAGS = ${ANSI_CPPFLAGS}])
AC_MSG_RESULT([ Coverage CFLAGS = ${COVERAGE_CFLAGS}])
AC_MSG_RESULT([ Coverage LDFLAGS = ${COVERAGE_LDFLAGS}])
AC_MSG_RESULT([ Fatal War. CFLAGS = ${WERROR_CFLAGS}])
AC_MSG_RESULT([ Final CFLAGS = ${CFLAGS}])
AC_MSG_RESULT([ Final CPPFLAGS = ${CPPFLAGS}])
AC_MSG_RESULT([ Final LDFLAGS = ${LDFLAGS}])
diff --git a/exec/main.c b/exec/main.c
index b26bf004..103e947d 100644
--- a/exec/main.c
+++ b/exec/main.c
@@ -1,1071 +1,1072 @@
/*
* Copyright (c) 2002-2006 MontaVista Software, Inc.
* Copyright (c) 2006-2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <pthread.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/poll.h>
#include <sys/uio.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <sched.h>
#include <time.h>
#include <corosync/swab.h>
#include <corosync/corotypes.h>
#include <corosync/coroipc_types.h>
#include <corosync/corodefs.h>
#include <corosync/list.h>
#include <corosync/lcr/lcr_ifact.h>
#include <corosync/totem/coropoll.h>
#include <corosync/totem/totempg.h>
#include <corosync/engine/objdb.h>
#include <corosync/engine/config.h>
#include <corosync/engine/logsys.h>
#include <corosync/coroipcs.h>
#include "quorum.h"
#include "totemsrp.h"
#include "mainconfig.h"
#include "totemconfig.h"
#include "main.h"
#include "sync.h"
#include "syncv2.h"
#include "tlist.h"
#include "timer.h"
#include "util.h"
#include "apidef.h"
#include "service.h"
#include "schedwrk.h"
#include "evil.h"
LOGSYS_DECLARE_SYSTEM ("corosync",
LOGSYS_MODE_OUTPUT_STDERR | LOGSYS_MODE_THREADED | LOGSYS_MODE_FORK,
0,
NULL,
LOG_INFO,
LOG_DAEMON,
LOG_INFO,
NULL,
1000000);
LOGSYS_DECLARE_SUBSYS ("MAIN");
#define SERVER_BACKLOG 5
static int sched_priority = 0;
static unsigned int service_count = 32;
#if defined(HAVE_PTHREAD_SPIN_LOCK)
static pthread_spinlock_t serialize_spin;
#else
static pthread_mutex_t serialize_mutex = PTHREAD_MUTEX_INITIALIZER;
#endif
static struct totem_logging_configuration totem_logging_configuration;
static int num_config_modules;
static struct config_iface_ver0 *config_modules[MAX_DYNAMIC_SERVICES];
static struct objdb_iface_ver0 *objdb = NULL;
static struct corosync_api_v1 *api = NULL;
static enum cs_sync_mode minimum_sync_mode;
static enum cs_sync_mode minimum_sync_mode;
static int sync_in_process = 1;
static hdb_handle_t corosync_poll_handle;
struct sched_param global_sched_param;
hdb_handle_t corosync_poll_handle_get (void)
{
return (corosync_poll_handle);
}
void corosync_state_dump (void)
{
int i;
for (i = 0; i < SERVICE_HANDLER_MAXIMUM_COUNT; i++) {
if (ais_service[i] && ais_service[i]->exec_dump_fn) {
ais_service[i]->exec_dump_fn ();
}
}
}
static void sigusr2_handler (int num)
{
/*
* TODO remove this from sigusr2 handler and access via cfg service
* engine api - corosync-cfgtool
*/
corosync_state_dump ();
}
/*
* TODO this function needs some love
*/
void corosync_shutdown_request (void)
{
if (api) {
corosync_service_unlink_all (api);
}
poll_stop (0);
totempg_finalize ();
coroipcs_ipc_exit ();
corosync_exit_error (AIS_DONE_EXIT);
}
static void sigquit_handler (int num)
{
corosync_shutdown_request ();
}
static void sigintr_handler (int num)
{
corosync_shutdown_request ();
}
static void sigsegv_handler (int num)
{
(void)signal (SIGSEGV, SIG_DFL);
logsys_atexit();
logsys_log_rec_store (LOCALSTATEDIR "/lib/corosync/fdata");
raise (SIGSEGV);
}
static void sigabrt_handler (int num)
{
(void)signal (SIGABRT, SIG_DFL);
logsys_atexit();
logsys_log_rec_store (LOCALSTATEDIR "/lib/corosync/fdata");
raise (SIGABRT);
}
#define LOCALHOST_IP inet_addr("127.0.0.1")
static hdb_handle_t corosync_group_handle;
static struct totempg_group corosync_group = {
.group = "a",
.group_len = 1
};
#if defined(HAVE_PTHREAD_SPIN_LOCK)
static void serialize_lock (void)
{
pthread_spin_lock (&serialize_spin);
}
static void serialize_unlock (void)
{
pthread_spin_unlock (&serialize_spin);
}
#else
static void serialize_lock (void)
{
pthread_mutex_lock (&serialize_mutex);
}
static void serialize_unlock (void)
{
pthread_mutex_unlock (&serialize_mutex);
}
#endif
static void corosync_sync_completed (void)
{
log_printf (LOGSYS_LEVEL_NOTICE,
"Completed service synchronization, ready to provide service.\n");
sync_in_process = 0;
}
static int corosync_sync_callbacks_retrieve (int sync_id,
struct sync_callbacks *callbacks)
{
unsigned int ais_service_index;
int res;
for (ais_service_index = 0;
ais_service_index < SERVICE_HANDLER_MAXIMUM_COUNT;
ais_service_index++) {
if (ais_service[ais_service_index] != NULL
&& ais_service[ais_service_index]->sync_mode == CS_SYNC_V1) {
if (ais_service_index == sync_id) {
break;
}
}
}
/*
* Try to load backwards compat sync engines
*/
if (ais_service_index == SERVICE_HANDLER_MAXIMUM_COUNT) {
res = evil_callbacks_load (sync_id, callbacks);
return (res);
}
callbacks->name = ais_service[ais_service_index]->name;
callbacks->sync_init = ais_service[ais_service_index]->sync_init;
callbacks->sync_process = ais_service[ais_service_index]->sync_process;
callbacks->sync_activate = ais_service[ais_service_index]->sync_activate;
callbacks->sync_abort = ais_service[ais_service_index]->sync_abort;
return (0);
}
static int corosync_sync_v2_callbacks_retrieve (
int service_id,
struct sync_callbacks *callbacks)
{
int res;
if (minimum_sync_mode == CS_SYNC_V2 && service_id == CLM_SERVICE && ais_service[CLM_SERVICE] == NULL) {
res = evil_callbacks_load (service_id, callbacks);
return (res);
}
if (minimum_sync_mode == CS_SYNC_V2 && service_id == EVT_SERVICE && ais_service[EVT_SERVICE] == NULL) {
res = evil_callbacks_load (service_id, callbacks);
return (res);
}
if (ais_service[service_id] == NULL) {
return (-1);
}
if (minimum_sync_mode == CS_SYNC_V1 && ais_service[service_id]->sync_mode != CS_SYNC_V2) {
return (-1);
}
callbacks->name = ais_service[service_id]->name;
callbacks->sync_init = ais_service[service_id]->sync_init;
callbacks->sync_process = ais_service[service_id]->sync_process;
callbacks->sync_activate = ais_service[service_id]->sync_activate;
callbacks->sync_abort = ais_service[service_id]->sync_abort;
return (0);
}
static struct memb_ring_id corosync_ring_id;
static void confchg_fn (
enum totem_configuration_type configuration_type,
const unsigned int *member_list, size_t member_list_entries,
const unsigned int *left_list, size_t left_list_entries,
const unsigned int *joined_list, size_t joined_list_entries,
const struct memb_ring_id *ring_id)
{
int i;
int abort_activate = 0;
if (sync_in_process == 1) {
abort_activate = 1;
}
sync_in_process = 1;
serialize_lock ();
memcpy (&corosync_ring_id, ring_id, sizeof (struct memb_ring_id));
/*
* Call configuration change for all services
*/
for (i = 0; i < service_count; i++) {
if (ais_service[i] && ais_service[i]->confchg_fn) {
ais_service[i]->confchg_fn (configuration_type,
member_list, member_list_entries,
left_list, left_list_entries,
joined_list, joined_list_entries, ring_id);
}
}
serialize_unlock ();
if (abort_activate) {
sync_v2_abort ();
}
if (minimum_sync_mode == CS_SYNC_V2 && configuration_type == TOTEM_CONFIGURATION_REGULAR) {
sync_v2_start (member_list, member_list_entries, ring_id);
}
}
static void priv_drop (void)
{
return; /* TODO: we are still not dropping privs */
}
static void corosync_tty_detach (void)
{
int fd;
/*
* Disconnect from TTY if this is not a debug run
*/
switch (fork ()) {
case -1:
corosync_exit_error (AIS_DONE_FORK);
break;
case 0:
/*
* child which is disconnected, run this process
*/
/* setset();
close (0);
close (1);
close (2);
*/
break;
default:
exit (0);
break;
}
/* Create new session */
(void)setsid();
/*
* Map stdin/out/err to /dev/null.
*/
fd = open("/dev/null", O_RDWR);
if (fd >= 0) {
/* dup2 to 0 / 1 / 2 (stdin / stdout / stderr) */
dup2(fd, STDIN_FILENO); /* 0 */
dup2(fd, STDOUT_FILENO); /* 1 */
dup2(fd, STDERR_FILENO); /* 2 */
/* Should be 0, but just in case it isn't... */
if (fd > 2)
close(fd);
}
}
static void corosync_mlockall (void)
{
#if !defined(COROSYNC_BSD)
int res;
#endif
struct rlimit rlimit;
rlimit.rlim_cur = RLIM_INFINITY;
rlimit.rlim_max = RLIM_INFINITY;
#ifndef COROSYNC_SOLARIS
setrlimit (RLIMIT_MEMLOCK, &rlimit);
#else
setrlimit (RLIMIT_VMEM, &rlimit);
#endif
#if defined(COROSYNC_BSD)
/* under FreeBSD a process with locked page cannot call dlopen
* code disabled until FreeBSD bug i386/93396 was solved
*/
log_printf (LOGSYS_LEVEL_WARNING, "Could not lock memory of service to avoid page faults\n");
#else
res = mlockall (MCL_CURRENT | MCL_FUTURE);
if (res == -1) {
log_printf (LOGSYS_LEVEL_WARNING, "Could not lock memory of service to avoid page faults: %s\n", strerror (errno));
};
#endif
}
static void deliver_fn (
unsigned int nodeid,
const void *msg,
unsigned int msg_len,
int endian_conversion_required)
{
const coroipc_request_header_t *header;
int service;
int fn_id;
unsigned int id;
unsigned int size;
header = msg;
if (endian_conversion_required) {
id = swab32 (header->id);
size = swab32 (header->size);
} else {
id = header->id;
size = header->size;
}
/*
* Call the proper executive handler
*/
service = id >> 16;
fn_id = id & 0xffff;
serialize_lock();
if (ais_service[service] == NULL && service == EVT_SERVICE) {
evil_deliver_fn (nodeid, service, fn_id, msg,
endian_conversion_required);
}
if (!ais_service[service]) {
serialize_unlock();
return;
}
if (endian_conversion_required) {
assert(ais_service[service]->exec_engine[fn_id].exec_endian_convert_fn != NULL);
ais_service[service]->exec_engine[fn_id].exec_endian_convert_fn
((void *)msg);
}
ais_service[service]->exec_engine[fn_id].exec_handler_fn
(msg, nodeid);
serialize_unlock();
}
void main_get_config_modules(struct config_iface_ver0 ***modules, int *num)
{
*modules = config_modules;
*num = num_config_modules;
}
int main_mcast (
const struct iovec *iovec,
unsigned int iov_len,
unsigned int guarantee)
{
return (totempg_groups_mcast_joined (corosync_group_handle, iovec, iov_len, guarantee));
}
int message_source_is_local (const mar_message_source_t *source)
{
int ret = 0;
assert (source != NULL);
if (source->nodeid == totempg_my_nodeid_get ()) {
ret = 1;
}
return ret;
}
void message_source_set (
mar_message_source_t *source,
void *conn)
{
assert ((source != NULL) && (conn != NULL));
memset (source, 0, sizeof (mar_message_source_t));
source->nodeid = totempg_my_nodeid_get ();
source->conn = conn;
}
/*
* Provides the glue from corosync to the IPC Service
*/
static int corosync_private_data_size_get (unsigned int service)
{
return (ais_service[service]->private_data_size);
}
static coroipcs_init_fn_lvalue corosync_init_fn_get (unsigned int service)
{
return (ais_service[service]->lib_init_fn);
}
static coroipcs_exit_fn_lvalue corosync_exit_fn_get (unsigned int service)
{
return (ais_service[service]->lib_exit_fn);
}
static coroipcs_handler_fn_lvalue corosync_handler_fn_get (unsigned int service, unsigned int id)
{
return (ais_service[service]->lib_engine[id].lib_handler_fn);
}
static int corosync_security_valid (int euid, int egid)
{
struct list_head *iter;
if (euid == 0 || egid == 0) {
return (1);
}
for (iter = uidgid_list_head.next; iter != &uidgid_list_head;
iter = iter->next) {
struct uidgid_item *ugi = list_entry (iter, struct uidgid_item,
list);
if (euid == ugi->uid || egid == ugi->gid)
return (1);
}
return (0);
}
static int corosync_service_available (unsigned int service)
{
return (ais_service[service] != NULL);
}
struct sending_allowed_private_data_struct {
int reserved_msgs;
};
static int corosync_sending_allowed (
unsigned int service,
unsigned int id,
const void *msg,
void *sending_allowed_private_data)
{
struct sending_allowed_private_data_struct *pd =
(struct sending_allowed_private_data_struct *)sending_allowed_private_data;
struct iovec reserve_iovec;
coroipc_request_header_t *header = (coroipc_request_header_t *)msg;
int sending_allowed;
reserve_iovec.iov_base = (char *)header;
reserve_iovec.iov_len = header->size;
pd->reserved_msgs = totempg_groups_joined_reserve (
corosync_group_handle,
&reserve_iovec, 1);
if (pd->reserved_msgs == -1) {
return (-1);
}
sending_allowed =
(corosync_quorum_is_quorate() == 1 ||
ais_service[service]->allow_inquorate == CS_LIB_ALLOW_INQUORATE) &&
((ais_service[service]->lib_engine[id].flow_control == CS_LIB_FLOW_CONTROL_NOT_REQUIRED) ||
((ais_service[service]->lib_engine[id].flow_control == CS_LIB_FLOW_CONTROL_REQUIRED) &&
(pd->reserved_msgs) &&
(sync_in_process == 0)));
return (sending_allowed);
}
static void corosync_sending_allowed_release (void *sending_allowed_private_data)
{
struct sending_allowed_private_data_struct *pd =
(struct sending_allowed_private_data_struct *)sending_allowed_private_data;
if (pd->reserved_msgs == -1) {
return;
}
totempg_groups_joined_release (pd->reserved_msgs);
}
static int ipc_subsys_id = -1;
static void ipc_log_printf (const char *format, ...) __attribute__((format(printf, 1, 2)));
static void ipc_log_printf (const char *format, ...) {
va_list ap;
va_start (ap, format);
_logsys_log_vprintf (
LOGSYS_ENCODE_RECID(LOGSYS_LEVEL_ERROR,
ipc_subsys_id,
LOGSYS_RECID_LOG),
__FUNCTION__, __FILE__, __LINE__,
format, ap);
va_end (ap);
}
static void ipc_fatal_error(const char *error_msg) {
_logsys_log_printf (
LOGSYS_ENCODE_RECID(LOGSYS_LEVEL_ERROR,
ipc_subsys_id,
LOGSYS_RECID_LOG),
__FUNCTION__, __FILE__, __LINE__,
"%s", error_msg);
exit(EXIT_FAILURE);
}
static int corosync_poll_handler_accept (
hdb_handle_t handle,
int fd,
int revent,
void *context)
{
return (coroipcs_handler_accept (fd, revent, context));
}
static int corosync_poll_handler_dispatch (
hdb_handle_t handle,
int fd,
int revent,
void *context)
{
return (coroipcs_handler_dispatch (fd, revent, context));
}
static void corosync_poll_accept_add (
int fd)
{
poll_dispatch_add (corosync_poll_handle, fd, POLLIN|POLLNVAL, 0,
corosync_poll_handler_accept);
}
static void corosync_poll_dispatch_add (
int fd,
void *context)
{
poll_dispatch_add (corosync_poll_handle, fd, POLLIN|POLLNVAL, context,
corosync_poll_handler_dispatch);
}
static void corosync_poll_dispatch_modify (
int fd,
int events)
{
poll_dispatch_modify (corosync_poll_handle, fd, events,
corosync_poll_handler_dispatch);
}
static struct coroipcs_init_state ipc_init_state = {
.socket_name = COROSYNC_SOCKET_NAME,
.sched_policy = SCHED_OTHER,
.sched_param = &global_sched_param,
.malloc = malloc,
.free = free,
.log_printf = ipc_log_printf,
.fatal_error = ipc_fatal_error,
.security_valid = corosync_security_valid,
.service_available = corosync_service_available,
.private_data_size_get = corosync_private_data_size_get,
.serialize_lock = serialize_lock,
.serialize_unlock = serialize_unlock,
.sending_allowed = corosync_sending_allowed,
.sending_allowed_release = corosync_sending_allowed_release,
.poll_accept_add = corosync_poll_accept_add,
.poll_dispatch_add = corosync_poll_dispatch_add,
.poll_dispatch_modify = corosync_poll_dispatch_modify,
.init_fn_get = corosync_init_fn_get,
.exit_fn_get = corosync_exit_fn_get,
.handler_fn_get = corosync_handler_fn_get
};
static void corosync_setscheduler (void)
{
#if defined(HAVE_PTHREAD_SETSCHEDPARAM) && defined(HAVE_SCHED_GET_PRIORITY_MAX) && defined(HAVE_SCHED_SETSCHEDULER)
int res;
sched_priority = sched_get_priority_max (SCHED_RR);
if (sched_priority != -1) {
global_sched_param.sched_priority = sched_priority;
res = sched_setscheduler (0, SCHED_RR, &global_sched_param);
if (res == -1) {
global_sched_param.sched_priority = 0;
log_printf (LOGSYS_LEVEL_WARNING, "Could not set SCHED_RR at priority %d: %s\n",
global_sched_param.sched_priority, strerror (errno));
logsys_thread_priority_set (SCHED_OTHER, NULL, 1);
} else {
/*
* Turn on SCHED_RR in ipc system
*/
ipc_init_state.sched_policy = SCHED_RR;
/*
* Turn on SCHED_RR in logsys system
*/
res = logsys_thread_priority_set (SCHED_RR, &global_sched_param, 10);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR,
"Could not set logsys thread priority."
" Can't continue because of priority inversions.");
corosync_exit_error (AIS_DONE_LOGSETUP);
}
}
} else {
log_printf (LOGSYS_LEVEL_WARNING, "Could not get maximum scheduler priority: %s\n", strerror (errno));
sched_priority = 0;
}
#else
log_printf(LOGSYS_LEVEL_WARNING,
"The Platform is missing process priority setting features. Leaving at default.");
#endif
}
void main_service_ready (void)
{
int res;
/*
* This must occur after totempg is initialized because "this_ip" must be set
*/
res = corosync_service_defaults_link_and_init (api);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Could not initialize default services\n");
corosync_exit_error (AIS_DONE_INIT_SERVICES);
}
evil_init (api);
}
int main (int argc, char **argv)
{
const char *error_string;
struct totem_config totem_config;
hdb_handle_t objdb_handle;
hdb_handle_t config_handle;
unsigned int config_version = 0;
void *objdb_p;
struct config_iface_ver0 *config;
void *config_p;
const char *config_iface_init;
char *config_iface;
char *iface;
int res, ch;
int background, setprio;
struct stat stat_out;
char corosync_lib_dir[PATH_MAX];
#if defined(HAVE_PTHREAD_SPIN_LOCK)
pthread_spin_init (&serialize_spin, 0);
#endif
/* default configuration
*/
background = 1;
setprio = 1;
while ((ch = getopt (argc, argv, "fpv")) != EOF) {
switch (ch) {
case 'f':
background = 0;
logsys_config_mode_set (NULL, LOGSYS_MODE_OUTPUT_STDERR|LOGSYS_MODE_THREADED|LOGSYS_MODE_FORK);
break;
case 'p':
setprio = 0;
break;
case 'v':
printf ("Corosync Cluster Engine, version '%s' SVN revision '%s'\n", VERSION, SVN_REVISION);
printf ("Copyright (c) 2006-2009 Red Hat, Inc.\n");
return EXIT_SUCCESS;
break;
default:
fprintf(stderr, \
"usage:\n"\
" -f : Start application in foreground.\n"\
" -p : Do not set process priority. \n"\
" -v : Display version and SVN revision of Corosync and exit.\n");
return EXIT_FAILURE;
}
}
/*
* Set round robin realtime scheduling with priority 99
* Lock all memory to avoid page faults which may interrupt
* application healthchecking
*/
if (setprio) {
corosync_setscheduler ();
}
corosync_mlockall ();
log_printf (LOGSYS_LEVEL_NOTICE, "Corosync Cluster Engine ('%s'): started and ready to provide service.\n", VERSION);
+ log_printf (LOGSYS_LEVEL_INFO, "Corosync built-in features:" PACKAGE_FEATURES "\n");
(void)signal (SIGINT, sigintr_handler);
(void)signal (SIGUSR2, sigusr2_handler);
(void)signal (SIGSEGV, sigsegv_handler);
(void)signal (SIGABRT, sigabrt_handler);
(void)signal (SIGQUIT, sigquit_handler);
#if MSG_NOSIGNAL != 0
(void)signal (SIGPIPE, SIG_IGN);
#endif
corosync_timer_init (
serialize_lock,
serialize_unlock,
sched_priority);
corosync_poll_handle = poll_create ();
/*
* Load the object database interface
*/
res = lcr_ifact_reference (
&objdb_handle,
"objdb",
0,
&objdb_p,
0);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't open configuration object database component.\n");
corosync_exit_error (AIS_DONE_OBJDB);
}
objdb = (struct objdb_iface_ver0 *)objdb_p;
objdb->objdb_init ();
/*
* Initialize the corosync_api_v1 definition
*/
apidef_init (objdb);
api = apidef_get ();
num_config_modules = 0;
/*
* Bootstrap in the default configuration parser or use
* the corosync default built in parser if the configuration parser
* isn't overridden
*/
config_iface_init = getenv("COROSYNC_DEFAULT_CONFIG_IFACE");
if (!config_iface_init) {
config_iface_init = "corosync_parser";
}
/* Make a copy so we can deface it with strtok */
if ((config_iface = strdup(config_iface_init)) == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "exhausted virtual memory");
corosync_exit_error (AIS_DONE_OBJDB);
}
iface = strtok(config_iface, ":");
while (iface)
{
res = lcr_ifact_reference (
&config_handle,
iface,
config_version,
&config_p,
0);
config = (struct config_iface_ver0 *)config_p;
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "Corosync Executive couldn't open configuration component '%s'\n", iface);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = config->config_readconfig(objdb, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
log_printf (LOGSYS_LEVEL_NOTICE, "%s", error_string);
config_modules[num_config_modules++] = config;
iface = strtok(NULL, ":");
}
free(config_iface);
res = corosync_main_config_read (objdb, &error_string);
if (res == -1) {
/*
* if we are here, we _must_ flush the logsys queue
* and try to inform that we couldn't read the config.
* this is a desperate attempt before certain death
* and there is no guarantee that we can print to stderr
* nor that logsys is sending the messages where we expect.
*/
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
fprintf(stderr, "%s", error_string);
syslog (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
/*
* Make sure required directory is present
*/
sprintf (corosync_lib_dir, "%s/lib/corosync", LOCALSTATEDIR);
res = stat (corosync_lib_dir, &stat_out);
if ((res == -1) || (res == 0 && !S_ISDIR(stat_out.st_mode))) {
log_printf (LOGSYS_LEVEL_ERROR, "Required directory not present %s. Please create it.\n", corosync_lib_dir);
corosync_exit_error (AIS_DONE_DIR_NOT_PRESENT);
}
res = totem_config_read (objdb, &totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = totem_config_keyread (objdb, &totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = totem_config_validate (&totem_config, &error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
totem_config.totem_logging_configuration = totem_logging_configuration;
totem_config.totem_logging_configuration.log_subsys_id =
_logsys_subsys_create ("TOTEM");
if (totem_config.totem_logging_configuration.log_subsys_id < 0) {
log_printf (LOGSYS_LEVEL_ERROR,
"Unable to initialize TOTEM logging subsystem\n");
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
totem_config.totem_logging_configuration.log_level_security = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_error = LOGSYS_LEVEL_ERROR;
totem_config.totem_logging_configuration.log_level_warning = LOGSYS_LEVEL_WARNING;
totem_config.totem_logging_configuration.log_level_notice = LOGSYS_LEVEL_NOTICE;
totem_config.totem_logging_configuration.log_level_debug = LOGSYS_LEVEL_DEBUG;
totem_config.totem_logging_configuration.log_printf = _logsys_log_printf;
res = corosync_main_config_compatibility_read (objdb,
&minimum_sync_mode,
&error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
res = corosync_main_config_compatibility_read (objdb,
&minimum_sync_mode,
&error_string);
if (res == -1) {
log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
corosync_exit_error (AIS_DONE_MAINCONFIGREAD);
}
/*
* Now we are fully initialized.
*/
if (background) {
corosync_tty_detach ();
}
logsys_fork_completed();
/*
* Sleep for a while to let other nodes in the cluster
* understand that this node has been away (if it was
* an corosync restart).
*/
// TODO what is this hack for? usleep(totem_config.token_timeout * 2000);
/*
* if totempg_initialize doesn't have root priveleges, it cannot
* bind to a specific interface. This only matters if
* there is more then one interface in a system, so
* in this case, only a warning is printed
*/
/*
* Join multicast group and setup delivery
* and configuration change functions
*/
totempg_initialize (
corosync_poll_handle,
&totem_config);
totempg_service_ready_register (
main_service_ready);
totempg_groups_initialize (
&corosync_group_handle,
deliver_fn,
confchg_fn);
totempg_groups_join (
corosync_group_handle,
&corosync_group,
1);
if (minimum_sync_mode == CS_SYNC_V2) {
log_printf (LOGSYS_LEVEL_NOTICE, "Compatibility mode set to none. Using V2 of the synchronization engine.\n");
sync_v2_init (
corosync_sync_v2_callbacks_retrieve,
corosync_sync_completed);
} else
if (minimum_sync_mode == CS_SYNC_V1) {
log_printf (LOGSYS_LEVEL_NOTICE, "Compatibility mode set to whitetank. Using V1 and V2 of the synchronization engine.\n");
sync_register (
corosync_sync_callbacks_retrieve,
sync_v2_memb_list_determine,
sync_v2_memb_list_abort,
sync_v2_start);
sync_v2_init (
corosync_sync_v2_callbacks_retrieve,
corosync_sync_completed);
}
/*
* Drop root privleges to user 'ais'
* TODO: Don't really need full root capabilities;
* needed capabilities are:
* CAP_NET_RAW (bindtodevice)
* CAP_SYS_NICE (setscheduler)
* CAP_IPC_LOCK (mlockall)
*/
priv_drop ();
schedwrk_init (
serialize_lock,
serialize_unlock);
ipc_subsys_id = _logsys_subsys_create ("IPC");
if (ipc_subsys_id < 0) {
log_printf (LOGSYS_LEVEL_ERROR,
"Could not initialize IPC logging subsystem\n");
corosync_exit_error (AIS_DONE_INIT_SERVICES);
}
coroipcs_ipc_init (&ipc_init_state);
/*
* Start main processing loop
*/
poll_run (corosync_poll_handle);
return EXIT_SUCCESS;
}

File Metadata

Mime Type
text/x-diff
Expires
Thu, Jun 26, 6:14 PM (1 d, 8 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1959381
Default Alt Text
(41 KB)

Event Timeline