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Hello community,
here is the log from the commit of package userspace-rcu for openSUSE:Factory
checked in at 2021-03-15 10:53:49
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/userspace-rcu (Old)
and /work/SRC/openSUSE:Factory/.userspace-rcu.new.2401 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "userspace-rcu"
Mon Mar 15 10:53:49 2021 rev:16 rq:878330 version:0.12.2
Changes:
--------
--- /work/SRC/openSUSE:Factory/userspace-rcu/userspace-rcu.changes
2020-08-28 21:14:36.928127739 +0200
+++ /work/SRC/openSUSE:Factory/.userspace-rcu.new.2401/userspace-rcu.changes
2021-03-15 10:53:51.917122442 +0100
@@ -1,0 +2,14 @@
+Mon Mar 8 23:28:27 UTC 2021 - Dirk M??ller <dmuel...@suse.com>
+
+- update to 0.12.2:
+ * fix: exclude clang from GCC version blacklists
+ * aarch64: blacklist gcc prior to 5.1
+ * Fix: configure: support Autoconf 2.70
+ * fix: bump tests thread limit to 4096
+ * cleanup: Improve wording of CONFIG_RCU_DEBUG description
+ * fix: explicitly include urcu/config.h in files using CONFIG_RCU_ defines
+ * Fix typo in README.md
+ * fix: add -lurcu-common to pkg-config libs for each flavor
+ * call_rcu: Fix race between rcu_barrier() and call_rcu_data_free()
+
+-------------------------------------------------------------------
Old:
----
userspace-rcu-0.12.1.tar.bz2
userspace-rcu-0.12.1.tar.bz2.asc
New:
----
userspace-rcu-0.12.2.tar.bz2
userspace-rcu-0.12.2.tar.bz2.asc
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other differences:
------------------
++++++ userspace-rcu.spec ++++++
--- /var/tmp/diff_new_pack.mb3pxB/_old 2021-03-15 10:53:52.497123333 +0100
+++ /var/tmp/diff_new_pack.mb3pxB/_new 2021-03-15 10:53:52.501123339 +0100
@@ -2,7 +2,7 @@
#
# spec file for package userspace-rcu
#
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
# Copyright (c) 2012 Pascal Bleser <pascal.ble...@opensuse.org>
#
# All modifications and additions to the file contributed by third parties
@@ -20,7 +20,7 @@
%define soname 6
Name: userspace-rcu
-Version: 0.12.1
+Version: 0.12.2
Release: 0
Summary: Userspace Read-Copy-Update Library
License: LGPL-2.1-or-later AND MIT AND GPL-2.0-or-later AND
GPL-3.0-or-later
++++++ userspace-rcu-0.12.1.tar.bz2 -> userspace-rcu-0.12.2.tar.bz2 ++++++
++++ 3126 lines of diff (skipped)
++++ retrying with extended exclude list
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/ChangeLog new/userspace-rcu-0.12.2/ChangeLog
--- old/userspace-rcu-0.12.1/ChangeLog 2020-04-22 15:02:35.000000000 +0200
+++ new/userspace-rcu-0.12.2/ChangeLog 2021-02-17 20:53:14.000000000 +0100
@@ -1,3 +1,14 @@
+2021-02-17 Userspace RCU 0.12.2
+ * fix: exclude clang from GCC version blacklists
+ * aarch64: blacklist gcc prior to 5.1
+ * Fix: configure: support Autoconf 2.70
+ * fix: bump tests thread limit to 4096
+ * cleanup: Improve wording of CONFIG_RCU_DEBUG description
+ * fix: explicitly include urcu/config.h in files using CONFIG_RCU_
defines
+ * Fix typo in README.md
+ * fix: add -lurcu-common to pkg-config libs for each flavor
+ * call_rcu: Fix race between rcu_barrier() and call_rcu_data_free()
+
2020-04-22 Userspace RCU 0.12.1
* Fix: tls-compat.h exposes compiler-dependent public configuration
* Fix: tap array subscript has type char warning
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/README.md new/userspace-rcu-0.12.2/README.md
--- old/userspace-rcu-0.12.1/README.md 2020-04-22 15:02:35.000000000 +0200
+++ new/userspace-rcu-0.12.2/README.md 2021-01-25 22:34:20.000000000 +0100
@@ -86,6 +86,8 @@
- Alpha, ia64 and ARM architectures depend on GCC 4.x with atomic builtins
support. For ARM this was introduced with GCC 4.4:
http://gcc.gnu.org/gcc-4.4/changes.html.
+ - Linux aarch64 depends on GCC 5.1 or better because prior versions
+ perform unsafe access to deallocated stack.
Clang version 3.0 (based on LLVM 3.0) is supported.
@@ -388,7 +390,7 @@
./configure --enable-rcu-debug
For fine grained enabling of debugging self-checks, build
-urserspace-rcu with DEBUG_RCU defined and compile dependent
+userspace-rcu with DEBUG_RCU defined and compile dependent
applications with DEBUG_RCU defined when necessary.
Warning: Enabling this feature result in a performance penalty.
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/configure.ac new/userspace-rcu-0.12.2/configure.ac
--- old/userspace-rcu-0.12.1/configure.ac 2020-04-22 15:02:35.000000000
+0200
+++ new/userspace-rcu-0.12.2/configure.ac 2021-02-17 20:53:24.000000000
+0100
@@ -1,5 +1,5 @@
AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.12.1],[mathieu dot desnoyers at efficios dot com],
[], [http://liburcu.org/])
+AC_INIT([userspace-rcu],[0.12.2],[mathieu dot desnoyers at efficios dot com],
[], [http://liburcu.org/])
# Following the numbering scheme proposed by libtool for the library version
#
http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
@@ -28,7 +28,7 @@
AH_TEMPLATE([CONFIG_RCU_TLS], [TLS provided by the compiler.])
AH_TEMPLATE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [clock_gettime() is detected.])
AH_TEMPLATE([CONFIG_RCU_FORCE_SYS_MEMBARRIER], [Require the operating system
to support the membarrier system call for default and bulletproof flavors.])
-AH_TEMPLATE([CONFIG_RCU_DEBUG], [Enable internal debugging self-checks.
Introduce performance penalty.])
+AH_TEMPLATE([CONFIG_RCU_DEBUG], [Enable internal debugging self-checks.
Introduces a performance penalty.])
AH_TEMPLATE([CONFIG_CDS_LFHT_ITER_DEBUG], [Enable extra debugging checks for
lock-free hash table iterator traversal. Alters the rculfhash ABI. Make sure to
compile both library and application with matching configuration.])
# Allow requiring the operating system to support the membarrier system
@@ -48,8 +48,8 @@
# Checks for C compiler
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
-AC_PROG_CC_STDC
-
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
+m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
AS_IF([test "x$def_compiler_tls" = "xyes"], AC_DEFINE([CONFIG_RCU_TLS], [1]),
[:])
# Checks for programs.
@@ -257,7 +257,7 @@
# RCU debugging option
AC_ARG_ENABLE([rcu-debug],
AS_HELP_STRING([--enable-rcu-debug], [Enable internal debugging
- self-checks. Introduce performance penalty.]))
+ self-checks. Introduces a performance penalty.]))
AS_IF([test "x$enable_rcu_debug" = "xyes"], [
AC_DEFINE([CONFIG_RCU_DEBUG], [1])
])
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/config.h.in
new/userspace-rcu-0.12.2/include/config.h.in
--- old/userspace-rcu-0.12.1/include/config.h.in 2020-04-22
15:02:53.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/config.h.in 2021-02-17
20:53:38.000000000 +0100
@@ -11,7 +11,7 @@
/* Compatibility mode for i386 which lacks cmpxchg instruction. */
#undef CONFIG_RCU_COMPAT_ARCH
-/* Enable internal debugging self-checks. Introduce performance penalty. */
+/* Enable internal debugging self-checks. Introduces a performance penalty. */
#undef CONFIG_RCU_DEBUG
/* Require the operating system to support the membarrier system call for
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/arch/aarch64.h
new/userspace-rcu-0.12.2/include/urcu/arch/aarch64.h
--- old/userspace-rcu-0.12.1/include/urcu/arch/aarch64.h 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/arch/aarch64.h 2021-01-22
21:30:24.000000000 +0100
@@ -42,6 +42,15 @@
#define __NR_membarrier 283
#endif
+/*
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
+ */
+#ifdef URCU_GCC_VERSION
+# if URCU_GCC_VERSION < 50100
+# error Your gcc version performs unsafe access to deallocated stack
+# endif
+#endif
+
#ifdef __cplusplus
}
#endif
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/compiler.h
new/userspace-rcu-0.12.2/include/urcu/compiler.h
--- old/userspace-rcu-0.12.1/include/urcu/compiler.h 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/compiler.h 2021-02-17
20:52:04.000000000 +0100
@@ -110,9 +110,13 @@
/*
* Don't allow compiling with buggy compiler.
+ *
+ * URCU_GCC_VERSION is used to blacklist specific GCC versions with known
+ * bugs, clang also defines these macros to an equivalent GCC version it
+ * claims to support, so exclude it.
*/
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__clang__)
# define URCU_GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/config.h.in
new/userspace-rcu-0.12.2/include/urcu/config.h.in
--- old/userspace-rcu-0.12.1/include/urcu/config.h.in 2020-04-22
15:00:32.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/config.h.in 2021-02-17
20:52:04.000000000 +0100
@@ -28,7 +28,7 @@
#undef CONFIG_RCU_FORCE_SYS_MEMBARRIER
/* Enable internal debugging self-checks.
- Introduce performance penalty. */
+ Introduces a performance penalty. */
#undef CONFIG_RCU_DEBUG
/* Expose multi-flavor support */
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/debug.h
new/userspace-rcu-0.12.2/include/urcu/debug.h
--- old/userspace-rcu-0.12.1/include/urcu/debug.h 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/debug.h 2020-12-11
22:49:32.000000000 +0100
@@ -21,6 +21,8 @@
#include <assert.h>
+#include <urcu/config.h>
+
#if defined(DEBUG_RCU) || defined(CONFIG_RCU_DEBUG)
#define urcu_assert(...) assert(__VA_ARGS__)
#else
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/uatomic/x86.h
new/userspace-rcu-0.12.2/include/urcu/uatomic/x86.h
--- old/userspace-rcu-0.12.1/include/urcu/uatomic/x86.h 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/uatomic/x86.h 2021-02-17
20:52:04.000000000 +0100
@@ -20,6 +20,7 @@
* Boehm-Demers-Weiser conservative garbage collector.
*/
+#include <urcu/config.h>
#include <urcu/compiler.h>
#include <urcu/system.h>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/include/urcu/urcu-qsbr.h
new/userspace-rcu-0.12.2/include/urcu/urcu-qsbr.h
--- old/userspace-rcu-0.12.1/include/urcu/urcu-qsbr.h 2020-04-22
15:00:32.000000000 +0200
+++ new/userspace-rcu-0.12.2/include/urcu/urcu-qsbr.h 2020-12-11
22:49:32.000000000 +0100
@@ -31,6 +31,8 @@
#include <stdlib.h>
#include <pthread.h>
+#include <urcu/config.h>
+
/*
* See urcu/pointer.h and urcu/static/pointer.h for pointer
* publication headers.
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/m4/ax_pthread.m4
new/userspace-rcu-0.12.2/m4/ax_pthread.m4
--- old/userspace-rcu-0.12.1/m4/ax_pthread.m4 2020-04-22 15:00:32.000000000
+0200
+++ new/userspace-rcu-0.12.2/m4/ax_pthread.m4 2021-01-13 16:14:55.000000000
+0100
@@ -55,6 +55,7 @@
#
# Copyright (c) 2008 Steven G. Johnson <stev...@alum.mit.edu>
# Copyright (c) 2011 Daniel Richard G. <sk...@iskunk.org>
+# Copyright (c) 2019 Marc Stevens <marc.stev...@cwi.nl>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
@@ -82,7 +83,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 25
+#serial 27
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
AC_DEFUN([AX_PTHREAD], [
@@ -123,10 +124,12 @@
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).
-# Create a list of thread flags to try. Items starting with a "-" are
-# C compiler flags, and other items are library names, except for "none"
-# which indicates that we try without any flags at all, and "pthread-config"
-# which is a program returning the flags for the Pth emulation library.
+# Create a list of thread flags to try. Items with a "," contain both
+# C compiler flags (before ",") and linker flags (after ","). Other items
+# starting with a "-" are C compiler flags, and remaining items are
+# library names, except for "none" which indicates that we try without
+# any flags at all, and "pthread-config" which is a program returning
+# the flags for the Pth emulation library.
ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread
--thread-safe -mt pthread-config"
@@ -194,14 +197,47 @@
# that too in a future libc.) So we'll check first for the
# standard Solaris way of linking pthreads (-mt -lpthread).
- ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
+ ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
;;
esac
+# Are we compiling with Clang?
+
+AC_CACHE_CHECK([whether $CC is Clang],
+ [ax_cv_PTHREAD_CLANG],
+ [ax_cv_PTHREAD_CLANG=no
+ # Note that Autoconf sets GCC=yes for Clang as well as GCC
+ if test "x$GCC" = "xyes"; then
+ AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
+ [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+# if defined(__clang__) && defined(__llvm__)
+ AX_PTHREAD_CC_IS_CLANG
+# endif
+ ],
+ [ax_cv_PTHREAD_CLANG=yes])
+ fi
+ ])
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+
# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
+# Note that for GCC and Clang -pthread generally implies -lpthread,
+# except when -nostdlib is passed.
+# This is problematic using libtool to build C++ shared libraries with pthread:
+# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
+# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
+# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
+# To solve this, first try -pthread together with -lpthread for GCC
+
AS_IF([test "x$GCC" = "xyes"],
- [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"])
+ [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads
$ax_pthread_flags"])
+
+# Clang takes -pthread (never supported any other flag), but we'll try with
-lpthread first
+
+AS_IF([test "x$ax_pthread_clang" = "xyes"],
+ [ax_pthread_flags="-pthread,-lpthread -pthread"])
+
# The presence of a feature test macro requesting re-entrant function
# definitions is, on some systems, a strong hint that pthreads support is
@@ -224,25 +260,86 @@
[ax_pthread_check_cond=0],
[ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
-# Are we compiling with Clang?
-AC_CACHE_CHECK([whether $CC is Clang],
- [ax_cv_PTHREAD_CLANG],
- [ax_cv_PTHREAD_CLANG=no
- # Note that Autoconf sets GCC=yes for Clang as well as GCC
- if test "x$GCC" = "xyes"; then
- AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
- [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
-# if defined(__clang__) && defined(__llvm__)
- AX_PTHREAD_CC_IS_CLANG
-# endif
- ],
- [ax_cv_PTHREAD_CLANG=yes])
- fi
- ])
-ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
+
+ case $ax_pthread_try_flag in
+ none)
+ AC_MSG_CHECKING([whether pthreads work without any flags])
+ ;;
+
+ *,*)
+ PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed
"s/^\(.*\),\(.*\)$/\1/"`
+ PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed
"s/^\(.*\),\(.*\)$/\2/"`
+ AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS"
and "$PTHREAD_LIBS"])
+ ;;
+
+ -*)
+ AC_MSG_CHECKING([whether pthreads work with
$ax_pthread_try_flag])
+ PTHREAD_CFLAGS="$ax_pthread_try_flag"
+ ;;
+
+ pthread-config)
+ AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes],
[no])
+ AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
+ PTHREAD_CFLAGS="`pthread-config --cflags`"
+ PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config
--libs`"
+ ;;
+
+ *)
+ AC_MSG_CHECKING([for the pthreads library
-l$ax_pthread_try_flag])
+ PTHREAD_LIBS="-l$ax_pthread_try_flag"
+ ;;
+ esac
+
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+ LIBS="$PTHREAD_LIBS $LIBS"
+
+ # Check for various functions. We must include pthread.h,
+ # since some functions may be macros. (On the Sequent, we
+ # need a special flag -Kthread to make this header compile.)
+ # We check for pthread_join because it is in -lpthread on IRIX
+ # while pthread_create is in libc. We check for pthread_attr_init
+ # due to DEC craziness with -lpthreads. We check for
+ # pthread_cleanup_push because it is one of the few pthread
+ # functions on Solaris that doesn't have a non-functional libc stub.
+ # We try pthread_create on general principles.
+
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
+# if $ax_pthread_check_cond
+# error "$ax_pthread_check_macro must be defined"
+# endif
+ static void *some_global = NULL;
+ static void routine(void *a)
+ {
+ /* To avoid any unused-parameter or
+ unused-but-set-parameter warning. */
+ some_global = a;
+ }
+ static void *start_routine(void *a) { return a; }],
+ [pthread_t th; pthread_attr_t attr;
+ pthread_create(&th, 0, start_routine, 0);
+ pthread_join(th, 0);
+ pthread_attr_init(&attr);
+ pthread_cleanup_push(routine, 0);
+ pthread_cleanup_pop(0) /* ; */])],
+ [ax_pthread_ok=yes],
+ [])
+
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
+
+ AC_MSG_RESULT([$ax_pthread_ok])
+ AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
+
+ PTHREAD_LIBS=""
+ PTHREAD_CFLAGS=""
+done
+fi
-ax_pthread_clang_warning=no
# Clang needs special handling, because older versions handle the -pthread
# option in a rather... idiosyncratic way
@@ -261,11 +358,6 @@
# -pthread does define _REENTRANT, and while the Darwin headers
# ignore this macro, third-party headers might not.)
- PTHREAD_CFLAGS="-pthread"
- PTHREAD_LIBS=
-
- ax_pthread_ok=yes
-
# However, older versions of Clang make a point of warning the user
# that, in an invocation where only linking and no compilation is
# taking place, the -pthread option has no effect ("argument unused
@@ -294,7 +386,7 @@
# step
ax_pthread_save_ac_link="$ac_link"
ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
- ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+ ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed
"$ax_pthread_sed"`
ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) &&
($ax_pthread_link_step)"
ax_pthread_save_CFLAGS="$CFLAGS"
for ax_pthread_try in '' -Qunused-arguments
-Wno-unused-command-line-argument unknown; do
@@ -320,78 +412,7 @@
fi # $ax_pthread_clang = yes
-if test "x$ax_pthread_ok" = "xno"; then
-for ax_pthread_try_flag in $ax_pthread_flags; do
-
- case $ax_pthread_try_flag in
- none)
- AC_MSG_CHECKING([whether pthreads work without any flags])
- ;;
-
- -mt,pthread)
- AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
- PTHREAD_CFLAGS="-mt"
- PTHREAD_LIBS="-lpthread"
- ;;
-
- -*)
- AC_MSG_CHECKING([whether pthreads work with
$ax_pthread_try_flag])
- PTHREAD_CFLAGS="$ax_pthread_try_flag"
- ;;
-
- pthread-config)
- AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes],
[no])
- AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
- PTHREAD_CFLAGS="`pthread-config --cflags`"
- PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config
--libs`"
- ;;
- *)
- AC_MSG_CHECKING([for the pthreads library
-l$ax_pthread_try_flag])
- PTHREAD_LIBS="-l$ax_pthread_try_flag"
- ;;
- esac
-
- ax_pthread_save_CFLAGS="$CFLAGS"
- ax_pthread_save_LIBS="$LIBS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
- LIBS="$PTHREAD_LIBS $LIBS"
-
- # Check for various functions. We must include pthread.h,
- # since some functions may be macros. (On the Sequent, we
- # need a special flag -Kthread to make this header compile.)
- # We check for pthread_join because it is in -lpthread on IRIX
- # while pthread_create is in libc. We check for pthread_attr_init
- # due to DEC craziness with -lpthreads. We check for
- # pthread_cleanup_push because it is one of the few pthread
- # functions on Solaris that doesn't have a non-functional libc stub.
- # We try pthread_create on general principles.
-
- AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
-# if $ax_pthread_check_cond
-# error "$ax_pthread_check_macro must be defined"
-# endif
- static void routine(void *a) { a = 0; }
- static void *start_routine(void *a) { return a; }],
- [pthread_t th; pthread_attr_t attr;
- pthread_create(&th, 0, start_routine, 0);
- pthread_join(th, 0);
- pthread_attr_init(&attr);
- pthread_cleanup_push(routine, 0);
- pthread_cleanup_pop(0) /* ; */])],
- [ax_pthread_ok=yes],
- [])
-
- CFLAGS="$ax_pthread_save_CFLAGS"
- LIBS="$ax_pthread_save_LIBS"
-
- AC_MSG_RESULT([$ax_pthread_ok])
- AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
-
- PTHREAD_LIBS=""
- PTHREAD_CFLAGS=""
-done
-fi
# Various other checks:
if test "x$ax_pthread_ok" = "xyes"; then
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu-bp.pc.in
new/userspace-rcu-0.12.2/src/liburcu-bp.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu-bp.pc.in 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/liburcu-bp.pc.in 2020-12-11
22:49:32.000000000 +0100
@@ -7,5 +7,5 @@
Description: A userspace RCU (read-copy-update) library, bulletproof version
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu-bp
+Libs: -L${libdir} -lurcu-common -lurcu-bp
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu-cds.pc.in
new/userspace-rcu-0.12.2/src/liburcu-cds.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu-cds.pc.in 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/liburcu-cds.pc.in 2020-12-11
22:49:32.000000000 +0100
@@ -7,5 +7,5 @@
Description: Data structures leveraging RCU and atomic operations to provide
efficient concurrency-aware storage
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu-cds
+Libs: -L${libdir} -lurcu-common -lurcu-cds
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu-mb.pc.in
new/userspace-rcu-0.12.2/src/liburcu-mb.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu-mb.pc.in 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/liburcu-mb.pc.in 2020-12-11
22:49:32.000000000 +0100
@@ -7,5 +7,5 @@
Description: A userspace RCU (read-copy-update) library, memory barriers
version
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu-mb
+Libs: -L${libdir} -lurcu-common -lurcu-mb
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu-qsbr.pc.in
new/userspace-rcu-0.12.2/src/liburcu-qsbr.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu-qsbr.pc.in 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/liburcu-qsbr.pc.in 2020-12-11
22:49:32.000000000 +0100
@@ -7,5 +7,5 @@
Description: A userspace RCU (read-copy-update) library, quiescent state
version
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu-qsbr
+Libs: -L${libdir} -lurcu-common -lurcu-qsbr
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu-signal.pc.in
new/userspace-rcu-0.12.2/src/liburcu-signal.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu-signal.pc.in 2020-04-22
14:58:46.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/liburcu-signal.pc.in 2020-12-11
22:49:32.000000000 +0100
@@ -7,5 +7,5 @@
Description: A userspace RCU (read-copy-update) library, signal version
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu-signal
+Libs: -L${libdir} -lurcu-common -lurcu-signal
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/liburcu.pc.in
new/userspace-rcu-0.12.2/src/liburcu.pc.in
--- old/userspace-rcu-0.12.1/src/liburcu.pc.in 2020-04-22 14:58:46.000000000
+0200
+++ new/userspace-rcu-0.12.2/src/liburcu.pc.in 2020-12-11 22:49:32.000000000
+0100
@@ -7,5 +7,5 @@
Description: A userspace RCU (read-copy-update) library, standard version
Version: @PACKAGE_VERSION@
Requires:
-Libs: -L${libdir} -lurcu
+Libs: -L${libdir} -lurcu-common -lurcu
Cflags: -I${includedir}
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/urcu-bp.c new/userspace-rcu-0.12.2/src/urcu-bp.c
--- old/userspace-rcu-0.12.1/src/urcu-bp.c 2020-04-22 15:02:35.000000000
+0200
+++ new/userspace-rcu-0.12.2/src/urcu-bp.c 2021-01-25 22:34:20.000000000
+0100
@@ -37,6 +37,7 @@
#include <stdbool.h>
#include <sys/mman.h>
+#include <urcu/config.h>
#include <urcu/arch.h>
#include <urcu/wfcqueue.h>
#include <urcu/map/urcu-bp.h>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/urcu-call-rcu-impl.h
new/userspace-rcu-0.12.2/src/urcu-call-rcu-impl.h
--- old/userspace-rcu-0.12.1/src/urcu-call-rcu-impl.h 2020-04-22
15:00:32.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/urcu-call-rcu-impl.h 2020-12-11
22:49:32.000000000 +0100
@@ -772,9 +772,13 @@
while ((uatomic_read(&crdp->flags) & URCU_CALL_RCU_STOPPED) ==
0)
(void) poll(NULL, 0, 1);
}
+ call_rcu_lock(&call_rcu_mutex);
if (!cds_wfcq_empty(&crdp->cbs_head, &crdp->cbs_tail)) {
- /* Create default call rcu data if need be */
+ call_rcu_unlock(&call_rcu_mutex);
+ /* Create default call rcu data if need be. */
+ /* CBs queued here will be handed to the default list. */
(void) get_default_call_rcu_data();
+ call_rcu_lock(&call_rcu_mutex);
__cds_wfcq_splice_blocking(&default_call_rcu_data->cbs_head,
&default_call_rcu_data->cbs_tail,
&crdp->cbs_head, &crdp->cbs_tail);
@@ -783,7 +787,6 @@
wake_call_rcu_thread(default_call_rcu_data);
}
- call_rcu_lock(&call_rcu_mutex);
cds_list_del(&crdp->list);
call_rcu_unlock(&call_rcu_mutex);
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/urcu-utils.h
new/userspace-rcu-0.12.2/src/urcu-utils.h
--- old/userspace-rcu-0.12.1/src/urcu-utils.h 2020-04-22 15:00:32.000000000
+0200
+++ new/userspace-rcu-0.12.2/src/urcu-utils.h 2020-12-11 22:49:32.000000000
+0100
@@ -23,6 +23,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <urcu/config.h>
+
#define urcu_stringify(a) _urcu_stringify(a)
#define _urcu_stringify(a) #a
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/src/urcu.c new/userspace-rcu-0.12.2/src/urcu.c
--- old/userspace-rcu-0.12.1/src/urcu.c 2020-04-22 15:00:32.000000000 +0200
+++ new/userspace-rcu-0.12.2/src/urcu.c 2020-12-11 22:49:32.000000000 +0100
@@ -38,6 +38,7 @@
#include <stdbool.h>
#include <poll.h>
+#include <urcu/config.h>
#include <urcu/arch.h>
#include <urcu/wfcqueue.h>
#include <urcu/map/urcu.h>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh
old/userspace-rcu-0.12.1/tests/common/api.h
new/userspace-rcu-0.12.2/tests/common/api.h
--- old/userspace-rcu-0.12.1/tests/common/api.h 2020-04-22 14:58:46.000000000
+0200
+++ new/userspace-rcu-0.12.2/tests/common/api.h 2020-12-17 14:31:59.000000000
+0100
@@ -108,7 +108,7 @@
typedef pthread_t thread_id_t;
-#define NR_THREADS 128
+#define NR_THREADS 4096
#define __THREAD_ID_MAP_EMPTY ((thread_id_t) 0)
#define __THREAD_ID_MAP_WAITING ((thread_id_t) 1)
