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Add a common library that can be shared between libs and corosync

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We have always had this problem and worked around it by coping code
or using inline functions. Both not good IMO.

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>
This commit is contained in:
Angus Salkeld 2012-02-09 10:43:49 +11:00
parent 9a2eb5d521
commit da483b8121
7 changed files with 163 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile.am
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@ -47,7 +47,7 @@ MAINTAINERCLEANFILES = Makefile.in aclocal.m4 configure depcomp \
dist_doc_DATA = LICENSE INSTALL README.recovery SECURITY TODO AUTHORS
SUBDIRS = include lib exec tools test cts pkgconfig \
SUBDIRS = include common_lib lib exec tools test cts pkgconfig \
man init conf
coverity:

43
common_lib/Makefile.am Normal file
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@ -0,0 +1,43 @@
#
# Copyright (c) 2012 Red Hat, Inc.
#
# Authors: Angus Salkeld
#
# 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.
MAINTAINERCLEANFILES = Makefile.in
AM_CFLAGS = -fPIC
INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include
noinst_LIBRARIES = libcorosync_common.a
libcorosync_common_a_SOURCES = error_conversion.c
clean-local:
rm -f *.o *.a

114
common_lib/error_conversion.c Normal file
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@ -0,0 +1,114 @@
/*
* Copyright (c) 2008 Allied Telesis Labs.
* Copyright (c) 2012 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Angus Salkeld (asalkeld@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 <corosync/corotypes.h>
cs_error_t qb_to_cs_error (int result)
{
int32_t res;
cs_error_t err = CS_ERR_LIBRARY;
if (result >= 0) {
return CS_OK;
}
res = -result;
switch (res) {
case EBADF:
err = CS_ERR_BAD_HANDLE;
break;
case ENOMEM:
err = CS_ERR_NO_MEMORY;
break;
case ETIMEDOUT:
case EAGAIN:
err = CS_ERR_TRY_AGAIN;
break;
case EBADE:
err = CS_ERR_FAILED_OPERATION;
break;
case ETIME:
err = CS_ERR_TIMEOUT;
break;
case EINVAL:
err = CS_ERR_INVALID_PARAM;
break;
case EBUSY:
err = CS_ERR_BUSY;
break;
case EACCES:
err = CS_ERR_ACCESS;
break;
case EOVERFLOW:
err = CS_ERR_NAME_TOO_LONG;
break;
case EEXIST:
err = CS_ERR_EXIST;
break;
case ENOBUFS:
err = CS_ERR_QUEUE_FULL;
break;
case ENOSPC:
err = CS_ERR_NO_SPACE;
break;
case EINTR:
err = CS_ERR_INTERRUPT;
break;
case ENOENT:
case ENODEV:
err = CS_ERR_NOT_EXIST;
break;
case ENOSYS:
case ENOTSUP:
err = CS_ERR_NOT_SUPPORTED;
break;
case EBADMSG:
err = CS_ERR_MESSAGE_ERROR;
break;
case EMSGSIZE:
case E2BIG:
err = CS_ERR_TOO_BIG;
break;
case ECONNREFUSED:
case ENOTCONN:
default:
err = CS_ERR_LIBRARY;
break;
}
return err;
}

1
configure.ac
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@ -131,6 +131,7 @@ AC_CONFIG_FILES([Makefile
include/Makefile
init/Makefile
lib/Makefile
common_lib/Makefile
man/Makefile
pkgconfig/Makefile
test/Makefile

4
exec/Makefile.am
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@ -52,8 +52,8 @@ corosync_SOURCES = evil.c vsf_ykd.c coroparse.c vsf_quorum.c syncv2.c \
votequorum.c wd.c util.c schedwrk.c main.c \
apidef.c quorum.c sync.c icmap.c timer.c \
ipc_glue.c service.c mainconfig.c totemconfig.c
corosync_LDADD = -ltotem_pg $(LIBQB_LIBS) $(statgrab_LIBS)
corosync_DEPENDENCIES = libtotem_pg.so.$(SONAME)
corosync_LDADD = -ltotem_pg ../common_lib/libcorosync_common.a $(LIBQB_LIBS) $(statgrab_LIBS)
corosync_DEPENDENCIES = libtotem_pg.so.$(SONAME) ../common_lib/libcorosync_common.a
corosync_LDFLAGS = $(OS_DYFLAGS) -L./
TOTEM_OBJS = $(TOTEM_SRC:%.c=%.o)

76
include/corosync/corotypes.h
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@ -135,81 +135,7 @@ static inline uint64_t cs_timestamp_get(void)
return result;
}
static inline cs_error_t qb_to_cs_error (int result)
{
int32_t res;
cs_error_t err = CS_ERR_LIBRARY;
if (result >= 0) {
return CS_OK;
}
res = -result;
switch (res) {
case EBADF:
err = CS_ERR_BAD_HANDLE;
break;
case ENOMEM:
err = CS_ERR_NO_MEMORY;
break;
case ETIMEDOUT:
case EAGAIN:
err = CS_ERR_TRY_AGAIN;
break;
case EBADE:
err = CS_ERR_FAILED_OPERATION;
break;
case ETIME:
err = CS_ERR_TIMEOUT;
break;
case EINVAL:
err = CS_ERR_INVALID_PARAM;
break;
case EBUSY:
err = CS_ERR_BUSY;
break;
case EACCES:
err = CS_ERR_ACCESS;
break;
case EOVERFLOW:
err = CS_ERR_NAME_TOO_LONG;
break;
case EEXIST:
err = CS_ERR_EXIST;
break;
case ENOBUFS:
err = CS_ERR_QUEUE_FULL;
break;
case ENOSPC:
err = CS_ERR_NO_SPACE;
break;
case EINTR:
err = CS_ERR_INTERRUPT;
break;
case ENOENT:
case ENODEV:
err = CS_ERR_NOT_EXIST;
break;
case ENOSYS:
case ENOTSUP:
err = CS_ERR_NOT_SUPPORTED;
break;
case EBADMSG:
err = CS_ERR_MESSAGE_ERROR;
break;
case EMSGSIZE:
case E2BIG:
err = CS_ERR_TOO_BIG;
break;
case ECONNREFUSED:
case ENOTCONN:
default:
err = CS_ERR_LIBRARY;
break;
}
return err;
}
cs_error_t qb_to_cs_error (int result);
/*
* static inline so multiple libraries can link into same binary

2
lib/Makefile.am
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@ -89,7 +89,7 @@ lib%.so: lib%.a
$(CC) -shared -o $@.$(call get_soname,$*) \
-Wl,-soname=lib$*.so.$(call get_major,$*) \
-Wl,-version-script=$(srcdir)/lib$*.versions \
-Wl,-whole-archive $^ -Wl,-no-whole-archive $(LDFLAGS) $(LIBQB_LIBS) $(AM_LDFLAGS) $(call get_linker_add,$*)
-Wl,-whole-archive $^ -Wl,-no-whole-archive $(LDFLAGS) $(LIBQB_LIBS) ../common_lib/libcorosync_common.a $(AM_LDFLAGS) $(call get_linker_add,$*)
ln -sf lib$*.so.$(call get_soname,$*) lib$*.so
ln -sf lib$*.so.$(call get_soname,$*) lib$*.so.$(call get_major,$*)