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added an experimental SpinLock class

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This commit is contained in:
hyung-hwan 2018-01-29 10:21:54 +00:00
parent ab98ce632e
commit 11d1344b70
6 changed files with 401 additions and 9 deletions
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1
qse/include/qse/si/Makefile.am
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@ -30,6 +30,7 @@ pkginclude_HEADERS += \
AppRoot.hpp \
SocketAddress.hpp \
Socket.hpp \
SpinLock.hpp \
Thread.hpp
endif

4
qse/include/qse/si/Makefile.in
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@ -91,6 +91,7 @@ host_triplet = @host@
@ENABLE_CXX_TRUE@ AppRoot.hpp \
@ENABLE_CXX_TRUE@ SocketAddress.hpp \
@ENABLE_CXX_TRUE@ Socket.hpp \
@ENABLE_CXX_TRUE@ SpinLock.hpp \
@ENABLE_CXX_TRUE@ Thread.hpp
subdir = include/qse/si
@ -133,7 +134,8 @@ am__can_run_installinfo = \
am__pkginclude_HEADERS_DIST = aio.h aio-pro.h aio-sck.h cnd.h dir.h \
fio.h fs.h glob.h intr.h log.h mtx.h mux.h nwad.h nwif.h \
nwio.h pio.h rwl.h sck.h sinfo.h sio.h task.h thr.h tio.h \
AppRoot.hpp SocketAddress.hpp Socket.hpp Thread.hpp
AppRoot.hpp SocketAddress.hpp Socket.hpp SpinLock.hpp \
Thread.hpp
am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
am__vpath_adj = case $$p in \
$(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \

77
qse/include/qse/si/SpinLock.hpp Normal file
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@ -0,0 +1,77 @@
/*
* $Id$
*
Copyright (c) 2006-2014 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EQSERESS 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 AUTHOR 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.
*/
#ifndef _QSE_SI_SPINLOCK_CLASS_
#define _QSE_SI_SPINLOCK_CLASS_
#include <qse/Types.hpp>
#include <qse/Uncopyable.hpp>
QSE_BEGIN_NAMESPACE(QSE)
class SpinLock
{
public:
bool tryock()
{
return !__sync_lock_test_and_set(&this->flag, 1);
}
void lock ()
{
//while (!this->tryLock());
while (__sync_lock_test_and_set(&this->flag, 1));
}
void unlock ()
{
__sync_lock_release (&this->flag);
}
protected:
volatile int flag;
};
class ScopedSpinLock: public Uncopyable
{
ScopedSpinLock (SpinLock& spl): spl(spl)
{
this->spl.lock ();
}
~ScopedSpinLock ()
{
this->spl.unlock ();
}
protected:
SpinLock& spl;
};
QSE_END_NAMESPACE(QSE)
#endif

4
qse/samples/si/Makefile.am
View File

@ -62,10 +62,12 @@ if ENABLE_CXX
CXXLIB = -lqsesixx -lqsecmnxx
bin_PROGRAMS += thr02
bin_PROGRAMS += thr02 spl02
spl02_SOURCES = spl02.cpp
thr02_SOURCES = thr02.cpp
spl02_LDADD = $(CXXLIB) $(LDADD)
thr02_LDADD = $(CXXLIB) $(LDADD)
endif

26
qse/samples/si/Makefile.in
View File

@ -95,7 +95,7 @@ bin_PROGRAMS = aio01$(EXEEXT) dir01$(EXEEXT) fio01$(EXEEXT) \
sio02$(EXEEXT) sio03$(EXEEXT) task01$(EXEEXT) thr01$(EXEEXT) \
$(am__EXEEXT_1)
@WCHAR_TRUE@@WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
@ENABLE_CXX_TRUE@am__append_2 = thr02
@ENABLE_CXX_TRUE@am__append_2 = thr02 spl02
subdir = samples/si
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
@ -113,7 +113,7 @@ mkinstalldirs = $(install_sh) -d
CONFIG_HEADER = $(top_builddir)/include/qse/config.h
CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
@ENABLE_CXX_TRUE@am__EXEEXT_1 = thr02$(EXEEXT)
@ENABLE_CXX_TRUE@am__EXEEXT_1 = thr02$(EXEEXT) spl02$(EXEEXT)
am__installdirs = "$(DESTDIR)$(bindir)"
PROGRAMS = $(bin_PROGRAMS)
am_aio01_OBJECTS = aio01.$(OBJEXT)
@ -190,6 +190,12 @@ am_sio03_OBJECTS = sio03.$(OBJEXT)
sio03_OBJECTS = $(am_sio03_OBJECTS)
sio03_LDADD = $(LDADD)
sio03_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
am__spl02_SOURCES_DIST = spl02.cpp
@ENABLE_CXX_TRUE@am_spl02_OBJECTS = spl02.$(OBJEXT)
spl02_OBJECTS = $(am_spl02_OBJECTS)
am__DEPENDENCIES_3 = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
@ENABLE_CXX_TRUE@spl02_DEPENDENCIES = $(am__DEPENDENCIES_1) \
@ENABLE_CXX_TRUE@ $(am__DEPENDENCIES_3)
am_task01_OBJECTS = task01.$(OBJEXT)
task01_OBJECTS = $(am_task01_OBJECTS)
task01_LDADD = $(LDADD)
@ -201,7 +207,6 @@ thr01_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
am__thr02_SOURCES_DIST = thr02.cpp
@ENABLE_CXX_TRUE@am_thr02_OBJECTS = thr02.$(OBJEXT)
thr02_OBJECTS = $(am_thr02_OBJECTS)
am__DEPENDENCIES_3 = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
@ENABLE_CXX_TRUE@thr02_DEPENDENCIES = $(am__DEPENDENCIES_1) \
@ENABLE_CXX_TRUE@ $(am__DEPENDENCIES_3)
AM_V_P = $(am__v_P_@AM_V@)
@ -261,15 +266,15 @@ SOURCES = $(aio01_SOURCES) $(dir01_SOURCES) $(fio01_SOURCES) \
$(fs03_SOURCES) $(glob01_SOURCES) $(log01_SOURCES) \
$(nwad01_SOURCES) $(nwif01_SOURCES) $(nwif02_SOURCES) \
$(pio01_SOURCES) $(rwl01_SOURCES) $(sio01_SOURCES) \
$(sio02_SOURCES) $(sio03_SOURCES) $(task01_SOURCES) \
$(thr01_SOURCES) $(thr02_SOURCES)
$(sio02_SOURCES) $(sio03_SOURCES) $(spl02_SOURCES) \
$(task01_SOURCES) $(thr01_SOURCES) $(thr02_SOURCES)
DIST_SOURCES = $(aio01_SOURCES) $(dir01_SOURCES) $(fio01_SOURCES) \
$(fio02_SOURCES) $(fs01_SOURCES) $(fs02_SOURCES) \
$(fs03_SOURCES) $(glob01_SOURCES) $(log01_SOURCES) \
$(nwad01_SOURCES) $(nwif01_SOURCES) $(nwif02_SOURCES) \
$(pio01_SOURCES) $(rwl01_SOURCES) $(sio01_SOURCES) \
$(sio02_SOURCES) $(sio03_SOURCES) $(task01_SOURCES) \
$(thr01_SOURCES) $(am__thr02_SOURCES_DIST)
$(sio02_SOURCES) $(sio03_SOURCES) $(am__spl02_SOURCES_DIST) \
$(task01_SOURCES) $(thr01_SOURCES) $(am__thr02_SOURCES_DIST)
am__can_run_installinfo = \
case $$AM_UPDATE_INFO_DIR in \
n|no|NO) false;; \
@ -505,7 +510,9 @@ sio03_SOURCES = sio03.c
task01_SOURCES = task01.c
thr01_SOURCES = thr01.c
@ENABLE_CXX_TRUE@CXXLIB = -lqsesixx -lqsecmnxx
@ENABLE_CXX_TRUE@spl02_SOURCES = spl02.cpp
@ENABLE_CXX_TRUE@thr02_SOURCES = thr02.cpp
@ENABLE_CXX_TRUE@spl02_LDADD = $(CXXLIB) $(LDADD)
@ENABLE_CXX_TRUE@thr02_LDADD = $(CXXLIB) $(LDADD)
all: all-am
@ -658,6 +665,10 @@ sio03$(EXEEXT): $(sio03_OBJECTS) $(sio03_DEPENDENCIES) $(EXTRA_sio03_DEPENDENCIE
@rm -f sio03$(EXEEXT)
$(AM_V_CCLD)$(LINK) $(sio03_OBJECTS) $(sio03_LDADD) $(LIBS)
spl02$(EXEEXT): $(spl02_OBJECTS) $(spl02_DEPENDENCIES) $(EXTRA_spl02_DEPENDENCIES)
@rm -f spl02$(EXEEXT)
$(AM_V_CXXLD)$(CXXLINK) $(spl02_OBJECTS) $(spl02_LDADD) $(LIBS)
task01$(EXEEXT): $(task01_OBJECTS) $(task01_DEPENDENCIES) $(EXTRA_task01_DEPENDENCIES)
@rm -f task01$(EXEEXT)
$(AM_V_CCLD)$(LINK) $(task01_OBJECTS) $(task01_LDADD) $(LIBS)
@ -693,6 +704,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sio01.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sio02.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sio03.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/spl02.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/task01.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/thr01.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/thr02.Po@am__quote@

298
qse/samples/si/spl02.cpp Normal file
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@ -0,0 +1,298 @@
#include <qse/si/SpinLock.hpp>
#include <qse/si/Thread.hpp>
#include <qse/si/mtx.h>
#include <qse/si/sio.h>
#include <qse/cmn/mem.h>
#include <locale.h>
#if defined(_WIN32)
# include <windows.h>
#endif
#include <unistd.h>
#include <signal.h>
#include <string.h>
static int g_stopreq = 0;
static QSE::SpinLock g_prmtx;
class MyThread: public QSE::Thread
{
public:
MyThread(): stopreq(0) {}
int main ()
{
int i = 0;
while (!this->stopreq)
{
g_prmtx.lock ();
qse_printf (QSE_T("m %p -> %d\n"), this, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
}
int stopreq;
};
class Functor
{
public:
int operator() (QSE::Thread* thr)
{
int i = 0;
int* stopreqptr = (int*)thr->getContext();
while (!*stopreqptr)
{
g_prmtx.lock ();
qse_printf (QSE_T("fc %p -> %d\n"), this, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
}
};
static int func_ptr (QSE::Thread* thr)
{
int i = 0;
int* stopreqptr = (int*)thr->getContext();
while (!*stopreqptr)
{
g_prmtx.lock ();
qse_printf (QSE_T("fp %p -> %d\n"), thr, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
}
static int test1 (void)
{
int localstopreq = 0;
#if defined(QSE_CPP_CPP11)
auto lambda = [](QSE::Thread* thr)->int
{
int i = 0;
int* stopreqptr = (int*)thr->getContext();
while (!*stopreqptr)
{
g_prmtx.lock ();
qse_printf (QSE_T("l %p -> %d\n"), thr, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
};
auto lambda_with_capture = [&localstopreq](QSE::Thread* thr)->int
{
int i = 0;
while (!localstopreq)
{
g_prmtx.lock ();
qse_printf (QSE_T("lc %p -> %d\n"), thr, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
};
#endif
MyThread thr1;
thr1.setStackSize (64000);
if (thr1.start(QSE::Thread::SIGNALS_BLOCKED) <= -1)
{
qse_printf (QSE_T("cannot start thread1\n"));
return -1;
}
QSE::ThreadR thr2;
thr2.setStackSize (64000);
thr2.setContext (&localstopreq);
#if defined(QSE_CPP_CPP11)
// the lambda expression with no capture can be passed as a function pointer
// as long as the signature matches QSE::Thread::ThreadRoutine.
if (thr2.start(lambda, QSE::Thread::SIGNALS_BLOCKED) <= -1)
#else
if (thr2.start(func_ptr, QSE::Thread::SIGNALS_BLOCKED) <= -1)
#endif
{
qse_printf (QSE_T("cannot start thread2\n"));
return -1;
}
#if defined(QSE_CPP_CPP11)
QSE::ThreadF<decltype(lambda)> thr3 (lambda);
thr3.setStackSize (64000);
thr3.setContext (&localstopreq);
if (thr3.start(QSE::Thread::SIGNALS_BLOCKED) <= -1)
{
qse_printf (QSE_T("cannot start thread3\n"));
return -1;
}
// turn a lambda with capture to a thread
QSE::ThreadF<decltype(lambda_with_capture)> thr4 (lambda_with_capture);
thr4.setStackSize (64000);
if (thr4.start(QSE::Thread::SIGNALS_BLOCKED) <= -1)
{
qse_printf (QSE_T("cannot start thread4\n"));
return -1;
}
QSE::ThreadL<int(QSE::Thread*)> thr5;
thr5.setStackSize (64000);
if (thr5.start(
([&localstopreq, &thr5](QSE::Thread* thr) {
int i = 0;
while (!localstopreq)
{
g_prmtx.lock ();
qse_printf (QSE_T("tl %p -> %d\n"), thr, i);
g_prmtx.unlock ();
i++;
sleep (1);
}
return i;
}),
QSE::Thread::SIGNALS_BLOCKED) <= -1)
{
qse_printf (QSE_T("cannot start thread5\n"));
return -1;
}
#endif
// turn a functor to a thread
QSE::ThreadF<Functor> thr6;
thr6.setStackSize (64000);
thr6.setContext (&localstopreq);
if (thr6.start(QSE::Thread::SIGNALS_BLOCKED) <= -1)
{
qse_printf (QSE_T("cannot start thread6\n"));
return -1;
}
while (!g_stopreq)
{
if (thr1.getState() == QSE::Thread::TERMINATED &&
thr2.getState() == QSE::Thread::TERMINATED &&
#if defined(QSE_CPP_CPP11)
thr3.getState() == QSE::Thread::TERMINATED &&
thr4.getState() == QSE::Thread::TERMINATED &&
thr5.getState() == QSE::Thread::TERMINATED &&
#endif
thr6.getState() == QSE::Thread::TERMINATED) break;
sleep (1);
}
if (g_stopreq)
{
localstopreq = 1;
thr1.stopreq = 1;
}
thr1.join ();
thr2.join ();
#if defined(QSE_CPP_CPP11)
thr3.join ();
thr4.join ();
thr5.join ();
#endif
thr6.join ();
qse_printf (QSE_T("thread1 ended with retcode %d\n"), thr1.getReturnCode());
qse_printf (QSE_T("thread2 ended with retcode %d\n"), thr2.getReturnCode());
#if defined(QSE_CPP_CPP11)
qse_printf (QSE_T("thread3 ended with retcode %d\n"), thr3.getReturnCode());
qse_printf (QSE_T("thread4 ended with retcode %d\n"), thr4.getReturnCode());
qse_printf (QSE_T("thread5 ended with retcode %d\n"), thr5.getReturnCode());
#endif
qse_printf (QSE_T("thread6 ended with retcode %d\n"), thr6.getReturnCode());
return 0;
}
static void handle_sigint (int sig, siginfo_t* siginfo, void* ctx)
{
g_stopreq = 1;
}
static void set_signal (int sig, void(*handler)(int, siginfo_t*, void*))
{
struct sigaction sa;
memset (&sa, 0, sizeof(sa));
/*sa.sa_handler = handler;*/
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = handler;
sigemptyset (&sa.sa_mask);
sigaction (sig, &sa, NULL);
}
static void set_signal_to_default (int sig)
{
struct sigaction sa;
memset (&sa, 0, sizeof(sa));
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
sigaction (sig, &sa, NULL);
}
int main ()
{
#if defined(_WIN32)
char locale[100];
UINT codepage = GetConsoleOutputCP();
if (codepage == CP_UTF8)
{
/*SetConsoleOUtputCP (CP_UTF8);*/
qse_setdflcmgrbyid (QSE_CMGR_UTF8);
}
else
{
sprintf (locale, ".%u", (unsigned int)codepage);
setlocale (LC_ALL, locale);
/*qse_setdflcmgrbyid (QSE_CMGR_SLMB);*/
}
#else
setlocale (LC_ALL, "");
/*qse_setdflcmgrbyid (QSE_CMGR_SLMB);*/
#endif
set_signal (SIGINT, handle_sigint);
qse_open_stdsios ();
test1();
qse_close_stdsios ();
set_signal_to_default (SIGINT);
return 0;
}