- 安装cairo的runtime?br id="h2.f">
http://www.cairographics.org/download/
?a id="e0h6" >official GTK+ for Windows pageQ下载最新版?cairo"?libpng"?zlib"
解出libcairo-2.dll, libpng12.dll和zlib1.dllQ放到某目录中（如d:cairobinQ，这个目录加入系lPath - 安装python2.5
- 安装PyCairo
http://bbs.chinaunix.net/viewthread.php?tid=1162830
帖子讲的是PyGTK的安装，而且老了Q但提到很有用的信息Q?br id="umi8">
windows版的PyCairo要去gnome的ftp下，最新的1.4?br id="u_.k">?a title="cairo主页上找到的PyCairo" id="bwyt">cairo主页上找到的PyCairo 下蝲是源码包Q有个setup.pyQ但安装p|Q提C找不到cairo - 试
http://www.cairographics.org/pycairo/
q行其中的example
资料
- Cairo Tutorial for Python Programmers
http://www.tortall.net/mu/wiki/CairoTutorial - PyCairo主页
http://www.cairographics.org/pycairo/ - cairo C documentation
http://www.cairographics.org/manual/
frank28_nfls 2008-07-30 16:12 发表评论
]]>gmail: daily use, just another legend
docs: AWESOME! makes doc not just doc
toolbar for Firefox: some great tools to make Firefox even greater
reader: now part of my life, to let me know what's happening around
translate: not accurate, but always help
blog search: specific tool for specific use
notebook: just not suitable for me
calendar: reminding-SMS is really useful, pity that i'm not always a scheduled person
gtalk: simple and clean. great backup for MSN, though not a replacement yet
picasa: offline tool + online holding. perfect match
blogger: really convenient when combining with google docs; really suck when being blocked by GFW!
mobile: reader, search, map... just give me more!
YouTube: not really so atractive among tons of copiers
iGoogle: not so atractive either, sorry, i prefer classic google homepage
page creator: to build a personal web page is always my dream, but...D念
desktop search: great idea, but hey guys, you can do better
code: for specialists, seems to be better than sourceforge, we'll see...
SketchUp: not really used, but really interested of this move direction
gadget and OpenSocial: these guys make Javascript so sexy!
earth: thanks for offering a free tour of world
My top 5
Search 
Gmail 
Docs 
Talk btw: I just feel like to speak some english after watching "how i met ur mother", anyway...
frank28_nfls 2008-04-29 16:49 发表评论
]]>Mutex概念
U程同步最基本的是mutexQmutual exclusion的羃写）。一个互斥体一ơ只允许一个线E访问共享区。当一个线E想要访问共享区Ӟ首先要做的就是锁住（lockQ互斥体。如果其他的 U程已经锁住了互斥体Q那么就必须先等那个U程互斥体解锁Q这样就保证了同一时刻只有一个线E能讉K׃n区域?br id="o7hu">
Boost.Thread supplies recursive and non-recursive mutexes with exclusive ownershipQ独占） semantics, along with a shared ownership Q共享） (multiple-reader / single-writer) mutex.
Boost.Thread supports four basic concepts for lockable objects:
Lockable, exclusive ownership
TimedLockable, Lockable的基上加上了timeoutSharedLockable, TimedLockable基础上，允许shared ownershipQ同时也支持exclusiveQ?br id="fd4b">This is the standard multiple-reader / single-write model:
at most one thread can have exclusive ownership, and if any thread does have exclusive ownership, no other threads can have shared or exclusive ownership. Alternatively, many threads may have shared ownership.
at most one thread can have exclusive ownership, and if any thread does have exclusive ownership, no other threads can have shared or exclusive ownership. Alternatively, many threads may have shared ownership.
UpgradeLockable, SharedLockable基础上，允许upgradable ownershipQ同时也支持shared、exclusiveQ?br id="et:2">This is an extension to the multiple-reader / single-write model provided by the
a single thread may have upgradable ownership at the same time as others have shared ownership. The thread with upgradable ownership may at any time attempt to upgrade that ownership to exclusive ownership. If no other threads have shared ownership, the upgrade is completed immediately, and the thread now has exclusive ownership, which must be relinquished by a call to
SharedLockable concept: a single thread may have upgradable ownership at the same time as others have shared ownership. The thread with upgradable ownership may at any time attempt to upgrade that ownership to exclusive ownership. If no other threads have shared ownership, the upgrade is completed immediately, and the thread now has exclusive ownership, which must be relinquished by a call to
unlock(), just as if it had been acquired by a call to lock().[注：除Lockable的mutex外，其余的各U复杂mutexq需要更多代码实践]
Each mutex type implements one or more of these concepts, as do the various lock types.
Lock Types
boost定义的Lock types为class templateQ以合适的Lockable object作ؓ模板参数
lock_guard- RAII-style的简单lockQ在ctor中lockQ在dtor中unlock
只支持简单的Lockableobject unique_lock- ?a id="h.-0" >
lock_guard复杂在：不仅提供RAII-style的lockQ还允许用户指定是否在ctor中立即lockQ意味着可以指定推迟lockQdefer acquiring the lockQ通过指定defer_lock_t参数Q，直到昑ּ调用其lock()Ҏ
q支?a id="d.41" class="link" title="TimedLockable Concept">TimedLockableconceptQ前提是需要lock的Lockable object本n支持
The member functions ofboost::unique_lockare not thread-safe...[注：q句没看懂。。。] shared_lockupgrade_lockupgrade_to_unique_lock- [注：目前只用qunique_lock。后面几U对应于不同需求的lockQ从名字可以直观看出功能，q未试验Q直接参考api]
Mutex types对应于之前的mutex conceptsQ目前有Q?br id="pgra">
- Class
mutex boost::mutex实现?a id="lexp" class="link" title="Lockable Concept">LockableconceptQ提供exclusive-ownership mutex.
At most one thread can own the lock on a given instance ofboost::mutexat any time.
Multiple concurrent calls tolock(),try_lock()andunlock()shall be permitted.
typedef unique_lockmutex::scoped_lock; - Typedef
try_mutex - Class
timed_mutex - Class
recursive_mutex - Typedef
recursive_try_mutex - Class
recursive_timed_mutex - Class
shared_mutex
Condition Variables
The general usage pattern is that one thread locks a mutex and then calls
wait on an instance of condition_variable or condition_variable_any. When the thread is woken from the wait, then it checks to see if the appropriate condition is now true, and continues if so. If the condition is not true, then the thread then calls wait again to resume waiting.(中文参?/a>)lock is passed to wait()Q?wait() will atomically add the thread to the set of threads waiting on the condition variable, and unlock the mutex. When the thread is woken, the mutex will be locked again before the call to wait returns. This allows other threads to acquire the mutex in order to update the shared data, and ensures that the data associated with the condition is correctly synchronized. In the mean time, another thread sets the condition to true, and then calls either notify_one() or notify_all() on the condition variable to wake one waiting thread or all the waiting threads respectively.
condition_variable_any比condition_variable更通用Qcondition_variable要求传给wait()的必L
boost::unique_lock<boost::mutex>cdQ?/span>condition_variable一般更优化One-time Initialization
仅运行一ơ的例程
http://www.stlchina.org/twiki/bin/view.pl/Main/BoostThread#5%20%BD%F6%D4%CB%D0%D0%D2%BB%B4%CE%B5%C4%C0%FD%B3%CC
[注：q未使用q]
Barriers
[注：q未使用q]
frank28_nfls 2008-04-29 14:28 发表评论
]]>典型的应用场景是errno?br id="srgy">
BoostU程库提供了指针boost::thread_specific_ptr来访问本地存储线E。是跨^台的解决Ҏ
http://www.boost.org/doc/libs/1_35_0/doc/html/thread/thread_local_storage.html
Portable thread-local storage with boost::thread_specific_ptr
Cleanup at thread exit
[注：q没有实践过Q等写过相应代码后再来补充文]
frank28_nfls 2008-04-29 14:26 发表评论
]]>launching threads
boost::threadcM表一个可执行的线E?thread of execution)?br id="o-fc">A new thread is launched by passing an object of a callable type that can be invoked with no parameters to the constructor.
The object is then copied into internal storage, and invoked on the newly-created thread of execution.
If you wish to construct an instance of boost::thread with a function or callable object that requires arguments to be supplied, this can be done using boost::bind.
Qthread non-copiable, but movable; object that used to created a thread must callable, if not, use boost::refQ?span id="fw.2">
Joining and detaching
当代表一个可执行的线E?thread of execution)的boost::thread对象被销毁时Q这个线E便同时?span id="ihma">detached. Detached的线E将l箋q行直到U程l止?br id="w9kr"> 也可以显式调?explicitly)一个boost::thread对象的detach()ҎQ这时这个线E直接被detachQ而这个boost::thread对象讲不再代表thread of executionQ而指Not-a-Thread
join()用于{待一个线E结束?br id="ea24">(timed_join())
Interruption
调用boost::thread对象?span id="fvio">interrupt()ҎQ可以中断其对应的线E?br id="aa5i"> When the interrupted thread next executes one of the specified interruption points (or if it is currently blocked whilst executing one) with interruption enabled, then a boost::thread_interrupted exception will be thrown in the interrupted thread. If not caught, this will cause the execution of the interrupted thread to terminate. As with any other exception, the stack will be unwound, and destructors for objects of automatic storage duration will be executed.
(boost::this_thread::disable_interruption, Predefined Interruption Points)
Thread IDs
每一个运行中的thread都有一个唯一的id倹{?br id="neiu">调用对应?a id="b9db" class="link" title="Class thread">
boost::thread对象?/code>get_id()ҎQ或者在q行的thread中调?code id="tu3j" class="computeroutput">boost::this_thread::get_id()Ҏ?br id="h8n3">Namespace this_thread
this_thread下包含的是在正在q行的线E内部，所能进行的U程操作Q包括上面提到的get_id()Ҏ
http://www.boost.org/doc/libs/1_35_0/doc/html/thread/thread_management.html#thread.thread_management.this_thread
Thread Group
thread_group class provides for a collection of threads that are related in some fashion.
New threads can be added to the group with add_thread and create_thread member functions.
thread_group is not copyable or movable.
frank28_nfls 2008-04-29 14:25 发表评论
]]>原文Q?a id="p-of" title="http://www-eleves-isia.cma.fr/documentation/BoostDoc/boost_1_29_0/libs/thread/doc/definitions.html" >http://www-eleves-isia.cma.fr/documentation/BoostDoc/boost_1_29_0/libs/thread/doc/definitions.html
新版boost文中已l没有这一章了
backupQhttp://docs.google.com/Doc?id=dgnd783p_138c62cd2gb
q是1.29.0版boost文中的定义Q参考了C++ standardQƈl合boost作了解释Q很规范Q介l了以下基本概念Q?br id="n3p1">Thread、Thread-safe、Thread State、Race Condition、Deadlock、Starvation、Priority Failure、Memory Visibility新版boost文中已l没有这一章了
- Thread Management
http://docs.google.com/Doc?id=dgnd783p_142fgzzpbcv
- Synchronization
http://docs.google.com/Doc?id=dgnd783p_146crx42gn9
- Thread Local Storage
http://docs.google.com/Doc?id=dgnd783p_147hjchrgf8
参考：
- http://www.cs.cf.ac.uk/Dave/C/node32.html
一个c/pthread的thread教程Q有一些典型例子的代码、算法说? - http://www.stlchina.org/twiki/bin/view.pl/Main/BoostThread#C++%20Boost%20Thread%20%B1%E0%B3%CC%D6%B8%C4%CF
C++ Boost Thread ~程指南Q中文版Q?br id="uhdt">http://www.ddj.com/cpp/184401518
英文原版
WARNINGQOut-of-DateQ?002q的Q? 只能参考用
- http://aszt.inf.elte.hu/~gsd/klagenfurt/material/ch03s06.html
英文的一boost.thread说明Q里面有boost::thread的简单例子，其中一个用了condition
WARNINGQOut-of-Date! 只能参考用
CodeQ?br id="l44p">
frank28_nfls 2008-04-29 14:12 发表评论
]]>然而csdn不让全文输出rssq一点就把我D
现在开始试试看q里Q感觉这里能满我大部分要求Q但愿这ơ就能彻底定下来了。。?br>
frank28_nfls 2008-04-24 15:55 发表评论
]]>