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From: bdawes_at_[hidden]
Date: 2007-10-08 13:49:31

Next message: bdawes_at_[hidden]: "[Boost-commit] svn:boost r39800 - sandbox/committee/LWG"
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Author: bemandawes
Date: 2007-10-08 13:49:30 EDT (Mon, 08 Oct 2007)
New Revision: 39799
URL: http://svn.boost.org/trac/boost/changeset/39799

Log:
thread4 - language cleanup
Text files modified:
sandbox/committee/LWG/thread_library.html | 383 +++++++++++++++------------------------
1 files changed, 147 insertions(+), 236 deletions(-)

Modified: sandbox/committee/LWG/thread_library.html
==============================================================================
--- sandbox/committee/LWG/thread_library.html (original)
+++ sandbox/committee/LWG/thread_library.html 2007-10-08 13:49:30 EDT (Mon, 08 Oct 2007)
@@ -1,9 +1,9 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
- "http://www.w3.org/TR/html4/strict.dtd">
-<html lang="en">
-<head>
- <meta http-equiv="content-type" content="text/html; charset=utf-8">
- <title>thread</title>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html lang="en"><head>
+
+
+ <meta http-equiv="content-type" content="text/html; charset=utf-8"><title>thread</title>
+
 <style>
 p {text-align:justify}
 li {text-align:justify}
@@ -27,11 +27,9 @@
 {
 text-decoration: line-through;
 }
- </style>
-</head>
-<body>
+ </style></head><body>

-<address align=right>
+<address align="right">
Document number: in progress 
 
<a href="mailto:hinnant_at_[hidden]">Howard E. Hinnant</a>,
@@ -41,13 +39,13 @@
2007-10-03
</address>
<hr>
-<h1 align=center>Multi-threading Library for Standard C++</h1>
+<h1 align="center">Multi-threading Library for Standard C++</h1>

<h2>Contents</h2>

<ul>
<li>Introduction</li>
-<li>Thread
+<li><del class="diff">Thread
</li>
<li>Mutex
 <ul>
@@ -70,7 +68,7 @@
 </li>
 </ul>
</li>
-<li>Proposed Wording<ul>
+<li></del>Proposed Wording<ul>
 <li>Threads Proposed Wording</li>
 <li>Mutexes and Locks Proposed Wording</li>
<li>Condition Variables Proposed Wording</li>
@@ -102,17 +100,17 @@
<hr>


-This clause describes components that C++ programs may use to create and manage multi-threaded programs.
+This clause describes components that C++ programs may use to create and manage <del class="diff modified">multi-threaded </del><ins class="diff modified">additional threads of execution in </ins>programs.


The following subclauses describe components to create and manage
threads of execution [intro.execution? (N2334)], perform mutual exclusion and locking, and communicate
between threads of execution.

-<table border="1" cellpadding="5" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%">
- <tr>
- <td width="50%" align="center">Subclause</td>
- <td width="50%" align="center">Header(s)</td>
+<table style="border-collapse: collapse;" border="1" bordercolor="#111111" cellpadding="5" cellspacing="0" width="100%">
+ <tbody><tr>
+ <td align="center" width="50%">Subclause</td>
+ <td align="center" width="50%">Header(s)</td>
 </tr>
 <tr>
 <td width="50%">Threads</td>
@@ -126,7 +124,7 @@
 <td width="50%">Condition variables</td>
 <td width="50%"><code><cond_var></code></td>
 </tr>
-</table>
+</tbody></table>


Some functions
@@ -189,10 +187,13 @@
<h4>Class thread</h4>


-An object of class <code>thread</code> launches a new thread of execution,
-and provides mechanisms for the current thread of execution to wait for
-completion of the launched thread, and perform other operations to manage and query the thread's
-state.
+An object of class <code>thread</code> <del class="diff modified">launches </del><ins class="diff modified">encapsulates a thread of execution.
+It provides a mechanism to create </ins>a new thread of <del class="diff modified">execution,
+and provides mechanisms </del><ins class="diff modified">execution,
+</ins>for the current thread of execution to wait for
+completion of the launched <del class="diff modified">thread, </del><ins class="diff modified">thread of execution, </ins>and <ins class="diff">to </ins>perform other operations to manage and query the <del class="diff modified">thread's
+</del><ins class="diff modified">thread
+of execution's </ins>state.


<blockquote><pre>class thread
@@ -267,8 +268,7 @@
</blockquote>
</blockquote>

-<blockquote><pre>
-template <class F, class ...Args> explicit thread(F f, Args&&... args);
+<blockquote><pre>template <class F, class ...Args> explicit thread(F f, Args&&... args);
</pre>

<blockquote>
@@ -335,7 +335,7 @@

<blockquote>

-Effects: If <tt>this</tt> currently refers to a <tt>joinable</tt> thread, calls
+Effects: If <tt>this</tt> currently refers to a <tt>joinable</tt> <del class="diff modified">thread, </del><ins class="diff modified">thread object, </ins>calls
<ins><tt>join()</tt></ins>. Then assigns the state of <tt>x</tt> to <tt>*this</tt>
and sets <tt>x</tt> to a default constructed state.

@@ -444,8 +444,9 @@

<blockquote>

-Returns: An implementation defined type representing the underlying OS thread handle.
-
+Returns: An implementation defined type representing the underlying OS <ins class="diff">handle to the </ins>thread <del class="diff modified">handle.
+</del><ins class="diff modified">of execution.
+</ins>

Throws: Nothing.

@@ -457,7 +458,7 @@

<blockquote>

-Returns: The number of threads that can reasonably be expected to
+Returns: The number of threads <ins class="diff">of execution </ins>that can reasonably be expected to
execute concurrently. [Note: This value should only be considered to be a hint.
--end note] If this value is not computable or well defined a
return value of 1 is recommended, but not required.
@@ -621,7 +622,7 @@

<blockquote>

-Returns: Returns the <tt>id</tt> of the current thread. The return shall not be
+Returns: Returns the <tt>id</tt> of the current <del class="diff modified">thread. </del><ins class="diff modified">thread of execution. </ins> The return shall not be
equal to a default constructed <tt>thread::id</tt>.


@@ -635,8 +636,9 @@

<blockquote>

-Effects: Offers the operating system the chance to schedule another thread.
-
+Effects: Offers the operating system the chance to schedule another <del class="diff modified">thread.
+</del><ins class="diff modified">thread of execution.
+</ins>

Throws: Nothing.

@@ -705,7 +707,7 @@
 called multiple times for the same <code>once_flag</code> object. If multiple
 calls to <code>call_once</code> with the same <code>once_flag</code> object
 occur in separate threads of execution, only one
- thread shall call <code>func</code>, and none of the threads shall proceed until the call to <code>func</code> has completed.
+ thread <ins class="diff">of execution </ins>shall call <code>func</code>, and none of the threads <ins class="diff">of execution </ins>shall proceed until the call to <code>func</code> has completed.
 If the invocation of <code>func</code> results in an exception being thrown,
 the exception is propagated to the caller and the effects are as-if this
 invocation of <code>call_once</code> did not occur.
@@ -1119,8 +1121,7 @@
constructor.


-<blockquote><pre>
-struct defer_lock_t {};
+<blockquote><pre>struct defer_lock_t {};
struct try_to_lock_t {};
struct adopt_lock_t {};

@@ -1723,7 +1724,7 @@
<blockquote>

Effects: If any threads of execution are blocked waiting for <code>*this</code>,
-unblocks at least one those threads.
+unblocks at least one those <del class="diff modified">threads.</del><ins class="diff modified">threads of execution.</ins>

Thread safety: Calls to the <code>wait</code>,
<code>timed_wait</code>, <code>notify_one</code> or
@@ -1739,7 +1740,7 @@
</pre>
<blockquote>

-Effects: Unblock all threads that are blocked waiting for <code>*this</code>.
+Effects: Unblock all threads <ins class="diff">of execution </ins>that are blocked waiting for <code>*this</code>.


Thread safety: Calls to the <code>wait</code>,
@@ -1763,9 +1764,9 @@

Effects: Atomically blocks and releases the lock on
<tt>lock</tt>. If the <tt>wait</tt> should throw an exception for any
-reason, <tt>lock</tt> will be locked as the exception propagates out.
-This thread of execution shall unblock when another thread issues a
-notification to this blocked thread. The current thread of execution may
+reason, <tt>lock</tt> will be locked as the exception <del class="diff modified">propagates out. </del><ins class="diff modified">propagates. </ins>
+This thread of execution shall unblock when another thread <ins class="diff">of execution </ins>issues a
+notification to this blocked <del class="diff modified">thread. </del><ins class="diff modified">thread of execution. </ins>The current thread of execution may
unblock and return even in the absence of a notification.


@@ -1817,7 +1818,7 @@
<tt>condition</tt> is notified, or if the absolute time specified by
<tt>abs_time</tt> has already been passed at the time of the call, then
<tt>false</tt> is returned. This thread of execution shall unblock when
-another thread issues a notification to this blocked thread. The current
+another thread <ins class="diff">of execution </ins>issues a notification to this blocked <del class="diff modified">thread. </del><ins class="diff modified">thread of execution. </ins>The current
thread of execution may unblock and return even in the absence of a
notification.

@@ -1838,7 +1839,7 @@
<code>notify_all</code> member functions of the same <tt>condition</tt>
object from different threads of execution shall not result in data
races or deadlocks.
-</blockquote>
+</blockquote>
</blockquote>

<blockquote>
@@ -1940,7 +1941,7 @@
<blockquote>

Effects: If any threads of execution are blocked waiting for <code>*this</code>,
-unblocks at least one those threads.
+unblocks at least one those <del class="diff modified">threads.</del><ins class="diff modified">threads of execution.</ins>

Thread safety: Calls to the <code>wait</code>,
<code>timed_wait</code>, <code>notify_one</code> or
@@ -1956,7 +1957,7 @@
</pre>
<blockquote>

-Effects: Unblock all threads that are blocked waiting for <code>*this</code>.
+Effects: Unblock all threads <ins class="diff">of execution </ins>that are blocked waiting for <code>*this</code>.


Thread safety: Calls to the <code>wait</code>,
@@ -1982,8 +1983,8 @@
Effects: Atomically blocks and releases the lock on
<tt>lock</tt>. If the <tt>wait</tt> should throw an exception for any
reason, <tt>lock</tt> will be locked as the exception propagates out.
-This thread of execution shall unblock when another thread issues a
-notification to this blocked thread. The current thread of execution may
+This thread of execution shall unblock when another thread <ins class="diff">of execution </ins>issues a
+notification to this blocked <del class="diff modified">thread. </del><ins class="diff modified">thread of execution. </ins>The current thread of execution may
unblock and return even in the absence of a notification.


@@ -2036,7 +2037,7 @@
<tt>condition</tt> is notified, or if the absolute time specified by
<tt>abs_time</tt> has already been passed at the time of the call, then
<tt>false</tt> is returned. This thread of execution shall unblock when
-another thread issues a notification to this blocked thread. The current
+another thread <ins class="diff">of execution </ins>issues a notification to this blocked <del class="diff modified">thread. </del><ins class="diff modified">thread of execution. </ins>The current
thread of execution may unblock and return even in the absence of a
notification.

@@ -2057,7 +2058,7 @@
<code>notify_all</code> member functions of the same <tt>condition</tt>
object from different threads of execution shall not result in data
races or deadlocks.
-</blockquote>
+</blockquote>
</blockquote>

<blockquote>
@@ -2099,8 +2100,7 @@
<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.header__date_time__synopsis"></a>
Header <date_time> Synopsis</h3></div></div></div>

-<blockquote><pre>
-namespace std
+<blockquote><pre>namespace std
{

 //duration types
@@ -2114,15 +2114,14 @@
 //timepoint
 class utc_time;

- template<class time_type>
+ template<class time_type="">
 class hiresolution_clock;
} //std
-</pre></blockquote>
+</class></pre></blockquote>

</div><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_utc_time"></a>class utc_time</h3></div></div></div>

-<blockquote><pre>
-class utc_time
+<blockquote><pre>class utc_time
{
 public:

@@ -2174,21 +2173,19 @@

<blockquote class="note">

-<h3 class="title">Note</h3>
+<h3 class="title">Note</h3>
 292 years represents the number of nanoseconds that can be represented
 in a signed 64 bit integer.
</blockquote>

-<pre class="programlisting">
-utc_time();//epoch
+<pre class="programlisting">utc_time();//epoch
</pre>
 Effects: Constructs a utc_time
 object representing the epoch time
 point 1970-01-01 00:00:00.000000000
 
 Throws: Nothing
- <pre class="programlisting">
-utc_time(time_t secs, nanoseconds ns);
+ <pre class="programlisting">utc_time(time_t secs, nanoseconds ns);
</pre>
 Effects: Constructs a utc
 time object where representing the time point that is secs + 1,000,000,000*ns
@@ -2206,41 +2203,35 @@
 Effects: Destroys the time point.
 
 Throws: Nothing
- <pre class="programlisting">
-time_t seconds_since_epoch() const;
+ <pre class="programlisting">time_t seconds_since_epoch() const;
</pre>
 Returns: Returns the count of seconds since 1970-01-01 00:00:00.
 
 Throws: Nothing
- <pre class="programlisting">
-nanoseconds nanoseconds_since_epoch() const;
+ <pre class="programlisting">nanoseconds nanoseconds_since_epoch() const;
</pre>
 Returns: Returns the count of nanoseconds
 since 1970-01-01 00:00:00.
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: Returns 1000000000
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: Returns 0
 
 Remarks: Since this is a subsecond type it returns 0 for seconds_per_tick
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: true.
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator==(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator==(const utc_time& rhs) const;
</pre>
 Returns: Returns true if rhs is
 the same timetime
@@ -2248,48 +2239,42 @@
 
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator!=(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator!=(const utc_time& rhs) const;
</pre>
 Returns: Returns true if rhs is
 not the same timetime represented by *this is not equal to the time represented
 by rhs
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator>(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator>(const utc_time& rhs) const;
</pre>
 Returns: Returns true if time is
 greater than rhs timerepresented by
 *this is greater than the time represented by rhs.
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator>=(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator>=(const utc_time& rhs) const;
</pre>
 Returns: Returns true if timeis
 greater or equal than rhs timerepresented
 by *this is greater or equal than the time represented by rhs.
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator<(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator<(const utc_time& rhs) const;
</pre>
 Returns: Returns true if time is
 less than rhs timerepresented by *this
 is less than the time represented by rhs.
 
 Throws: Nothing
- <pre class="programlisting">
-bool operator<=(const utc_time& rhs) const;
+ <pre class="programlisting">bool operator<=(const utc_time& rhs) const;
</pre>
 Returns: Returns true if time is
 less than rhs timerepresented by *this
 is less or equal than the time represented by rhs.
 
 Throws: Nothing
- <pre class="programlisting">
-nanoseconds operator-(const utc_time& rhs) const
+ <pre class="programlisting">nanoseconds operator-(const utc_time& rhs) const
</pre>
 Returns: Returns the difference
 between two times in a nanosecond count. Returns
@@ -2300,16 +2285,14 @@
 count.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename time_duration_type>
+ <pre class="programlisting">template<typename time_duration_type>
utc_time operator+(const time_duration_type& td) const;
</pre>
 Returns: Returns the duration converted to nanosecond resolution
 and added to the time represented by *this.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename time_duration_type>
+ <pre class="programlisting">template<typename time_duration_type>
utc_time& operator+=(const time_duration_type& td);
</pre>
 Effects: Convert the duration to nanosecond resolution add to nanoseconds
@@ -2318,16 +2301,14 @@
 Returns: Modified value of this.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename time_duration_type>
+ <pre class="programlisting">template<typename time_duration_type>
utc_time operator-(const time_duration_type& td) const;
</pre>
 Returns: Returns the duration converted to nanosecond resolution
 and subtracted from the time represented by *this.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename time_duration_type>
+ <pre class="programlisting">template<typename time_duration_type>
utc_time& operator-=(const time_duration_type& td)
</pre>
 Effects: Convert the duration to nanosecond resolution subtract
@@ -2344,7 +2325,6 @@
<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.template_class_hiresolution_clock"></a>template class hiresolution_clock</h3></div></div></div>

<blockquote><pre>
-
template<class time_type>
class hiresolution_clock
{
@@ -2363,14 +2343,13 @@
 
<blockquote class="note">

-<h3 class="title">Note</h3>
+<h3 class="title">Note</h3>
 Typical personal computer platforms currently achieve microsecond level
 resolution from calls to the clock. The Boost Date-Time Library has a class that portably implements the proposed
 interface, but it uses different C-level interfaces depending on the operating
 system.
 </blockquote>
-<pre class="programlisting">
-static time_type universal_time();
+<pre class="programlisting">static time_type universal_time();
</pre>
 Returns: The Current UTC time -
 equivalent of time_t with fractional sections. An
@@ -2406,8 +2385,7 @@
 In the following text duration_type refers to the containing duration type.
 

-<blockquote><pre>
-class duration_type { //where duration_type== nanoseconds, microseconds, etc
+<blockquote><pre>class duration_type { //where duration_type== nanoseconds, microseconds, etc

 //comparison operators
 template<typename rhs_duration_type>
@@ -2456,57 +2434,49 @@
</pre></blockquote>

 The following details each of these functions.
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator==(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if rhs duration is greater.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator!=(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if rhs is not the same time.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator>(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if the rhs duration is larger.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator>=(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if greater or equal than the rhs duration.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator<(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if less than the rhs duration.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
bool operator<=(const rhs_duration_type& rhs) const;
</pre>
 Returns: Returns true if less or equal to the rhs duration.
 
 Throws: Nothing
- <pre class="programlisting">
-//sign inversion
+ <pre class="programlisting">//sign inversion
duration_type operator-() const
</pre>
 Returns: Negated value of the duration.
 
 Throws: Nothing
- <pre class="programlisting">
-//arithmetic operations
+ <pre class="programlisting">//arithmetic operations
template<typename rhs_duration_type>
duration_type operator- (const rhs_duration_type& d) const
</pre>
@@ -2516,8 +2486,7 @@
 of higher resolution.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
duration_type operator-=(const rhs_duration_type& d)
</pre>
 Effects: Modifies to value equal to this-rhs_duration. 
@@ -2528,8 +2497,7 @@
 of higher resolution.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
duration_type operator+ (const rhs_duration_type& d) const
</pre>
 Returns: Duration equal to this+rhs_duration. 
@@ -2538,8 +2506,7 @@
 of higher resolution.
 
 Throws: Nothing
- <pre class="programlisting">
-template<typename rhs_duration_type>
+ <pre class="programlisting">template<typename rhs_duration_type>
duration_type operator+=(const rhs_duration_type& d)
</pre>
 Effects: Modifies to value equal to this+rhs_duration. 
@@ -2550,15 +2517,13 @@
 of higher resolution.
 
 Throws: Nothing
- <pre class="programlisting">
-duration_type operator/ (int divisor) const
+ <pre class="programlisting">duration_type operator/ (int divisor) const
</pre>
 Returns: Duration with value equal to this/divisor according to
 integer arithmetic rules.
 
 Throws: Nothing
- <pre class="programlisting">
-duration_type operator/=(int divisor)
+ <pre class="programlisting">duration_type operator/=(int divisor)
</pre>
 Effects: Change value of this by this/divisor according to integer
 arithmetic rules.
@@ -2566,22 +2531,19 @@
 Returns: this 
 
 Throws: Nothing
- <pre class="programlisting">
-duration_type operator* (int rhs) const
+ <pre class="programlisting">duration_type operator* (int rhs) const
</pre>
 Returns: Duration with value equal to this*rhs 
 
 Throws: Nothing
- <pre class="programlisting">
-duration_type operator*=(int rhs)
+ <pre class="programlisting">duration_type operator*=(int rhs)
</pre>
 Effects: Modifies to value equal to this*rhs. 
 
 Returns: this 
 
 Throws: Nothing
- <pre class="programlisting">
-tick_type get_count() const
+ <pre class="programlisting">tick_type get_count() const
</pre>
 Returns: Returns the count at the resolution of the time duration
 type.
@@ -2592,13 +2554,12 @@
<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_nanoseconds"></a>class nanoseconds</h3></div></div></div>

-<blockquote><pre>
-class nanoseconds
+<blockquote><pre>class nanoseconds
{
 public:

 nanoseconds(long long=0);
- nanoseconds(const nanoseconds& rhs);
+ nanoseconds(const nanoseconds& rhs);
 ~nanoseconds();

 //traits information
@@ -2613,15 +2574,13 @@
</pre></blockquote>

 Class nanoseconds represents a count of nanoseconds.
- <pre class="programlisting">
-nanoseconds(long long=0);
+ <pre class="programlisting">nanoseconds(long long=0);
</pre>
 Effects: Constructs an object with a count of nanoseconds - default
 is zero.
 
 Throws: Nothing
- <pre class="programlisting">
-nanoseconds(const nanoseconds& rhs);
+ <pre class="programlisting">nanoseconds(const nanoseconds& rhs);
</pre>
 Effects: Copy construction.
 
@@ -2632,20 +2591,17 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 1000000000
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 0
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: true
 
@@ -2654,8 +2610,7 @@

<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_microseconds"></a>class microseconds</h3></div></div></div>

-<blockquote><pre>
-class microseconds
+<blockquote><pre>class microseconds
{
 public:

@@ -2679,15 +2634,13 @@
</pre></blockquote>

 Class microseconds represents a count of microseconds.
- <pre class="programlisting">
-microseconds(long long=0);
+ <pre class="programlisting">microseconds(long long=0);
</pre>
 Effects: Constructs an object with a count of microseconds - default
 is zero.
 
 Throws: Nothing
- <pre class="programlisting">
-microseconds(const microseconds& rhs);
+ <pre class="programlisting">microseconds(const microseconds& rhs);
</pre>
 Effects: Copy construction.
 
@@ -2698,27 +2651,23 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-//conversions
+ <pre class="programlisting">//conversions
operator nanoseconds() const
</pre>
 Returns: microsecond count converted to nanoseconds
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 1000000
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 0
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: true
 
@@ -2728,8 +2677,7 @@
<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_milliseconds"></a>class milliseconds</h3></div></div></div>

-<blockquote><pre>
-class milliseconds
+<blockquote><pre>class milliseconds
{
 public:
 milliseconds(long long=0);
@@ -2751,15 +2699,13 @@
</pre></blockquote>

 Class milliseconds represents a count of milliseconds.
- <pre class="programlisting">
-milliseconds(long long=0);
+ <pre class="programlisting">milliseconds(long long=0);
</pre>
 Effects: Constructs an object with a count of milliseconds - default
 is zero.
 
 Throws: Nothing
- <pre class="programlisting">
-milliseconds(const milliseconds& rhs);
+ <pre class="programlisting">milliseconds(const milliseconds& rhs);
</pre>
 Effects: Copy construction.
 
@@ -2770,32 +2716,27 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-operator nanoseconds() const
+ <pre class="programlisting">operator nanoseconds() const
</pre>
 Returns: millisecond count converted to nanoseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator microseconds() const
+ <pre class="programlisting">operator microseconds() const
</pre>
 Returns: millisecond count converted to microseconds
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 1000
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 0
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: true
 
@@ -2805,8 +2746,7 @@
<div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_seconds"></a>class seconds</h3></div></div></div>

-<blockquote><pre>
-class seconds
+<blockquote><pre>class seconds
{
 public:
 seconds(long long s=0);
@@ -2830,15 +2770,13 @@
</pre></blockquote>

 Class seconds represents a count of seconds.
- <pre class="programlisting">
-seconds(long long=0);
+ <pre class="programlisting">seconds(long long=0);
</pre>
 Effects: Constructs an object with a count of seconds - default is
 zero.
 
 Throws: Nothing
- <pre class="programlisting">
-seconds(const seconds& rhs);
+ <pre class="programlisting">seconds(const seconds& rhs);
</pre>
 Effects: Copy construction.
 
@@ -2849,38 +2787,32 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-operator nanoseconds() const
+ <pre class="programlisting">operator nanoseconds() const
</pre>
 Returns: second count converted to nanoseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator microseconds() const
+ <pre class="programlisting">operator microseconds() const
</pre>
 Returns: second count converted to microseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator milliseconds() const
+ <pre class="programlisting">operator milliseconds() const
</pre>
 Returns: second count converted to milliseconds
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 1
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 1
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: false
 
@@ -2891,8 +2823,7 @@

-<blockquote><pre>
-class minutes
+<blockquote><pre>class minutes
{
 public:
 minutes(long long s=0);
@@ -2917,15 +2848,13 @@
</pre></blockquote>

 Class minutes represents a count of minutes.
- <pre class="programlisting">
-minutes(long long=0);
+ <pre class="programlisting">minutes(long long=0);
</pre>
 Effects: Constructs an object with a count of minutes - default is
 zero.
 
 Throws: Nothing
- <pre class="programlisting">
-minutes(const minutes& rhs);
+ <pre class="programlisting">minutes(const minutes& rhs);
</pre>
 Effects: Copy construction.
 
@@ -2936,44 +2865,37 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-operator nanoseconds() const
+ <pre class="programlisting">operator nanoseconds() const
</pre>
 Returns: minute count converted to nanoseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator microseconds() const
+ <pre class="programlisting">operator microseconds() const
</pre>
 Returns: minute count converted to microseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator milliseconds() const
+ <pre class="programlisting">operator milliseconds() const
</pre>
 Returns: minute count converted to milliseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator seconds() const
+ <pre class="programlisting">operator seconds() const
</pre>
 Returns: minute count converted to seconds
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 0
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 60
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: false
 
@@ -2981,8 +2903,7 @@
 </div><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="n2411_07_0271___proposal_for_date_time_types_in_c__0x_to_support_threading_apis_v2.proposed_text.class_hours"></a>class hours</h3></div></div></div>

-<blockquote><pre>
-class hours
+<blockquote><pre>class hours
{
 public:
 hours(long long s=0);
@@ -3010,14 +2931,12 @@


 Class hours represents a count of hours.
- <pre class="programlisting">
-hours(long long=0);
+ <pre class="programlisting">hours(long long=0);
</pre>
 Effects: Constructs an object with a count of hours - default is zero.
 
 Throws: Nothing
- <pre class="programlisting">
-hours(const hours& rhs);
+ <pre class="programlisting">hours(const hours& rhs);
</pre>
 Effects: Copy construction.
 
@@ -3028,50 +2947,42 @@
 Effects: Destruct count.
 
 Throws: Nothing
- <pre class="programlisting">
-operator nanoseconds() const
+ <pre class="programlisting">operator nanoseconds() const
</pre>
 Returns: hour count converted to nanoseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator microseconds() const
+ <pre class="programlisting">operator microseconds() const
</pre>
 Returns: hour count converted to microseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator milliseconds() const
+ <pre class="programlisting">operator milliseconds() const
</pre>
 Returns: hour count converted to milliseconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator seconds() const
+ <pre class="programlisting">operator seconds() const
</pre>
 Returns: hour count converted to seconds
 
 Throws: Nothing
- <pre class="programlisting">
-operator minutes() const
+ <pre class="programlisting">operator minutes() const
</pre>
 Returns: hour count converted to seconds
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type ticks_per_second();
+ <pre class="programlisting">static tick_type ticks_per_second();
</pre>
 Returns: 0
 
 Throws: Nothing
- <pre class="programlisting">
-static tick_type seconds_per_tick();
+ <pre class="programlisting">static tick_type seconds_per_tick();
</pre>
 Returns: 3600
 
 Throws: Nothing
- <pre class="programlisting">
-static bool is_subsecond();
+ <pre class="programlisting">static bool is_subsecond();
</pre>
 Returns: false
 
@@ -3097,7 +3008,7 @@
 <li>
 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2043.html">
 N2043</a>, Simplifying And Extending Mutex and Scoped Lock Types For C++
- Multi-Threading Library, Ion Gaztañaga</li>
+ Multi-Threading Library, Ion Gaztañaga</li>
 <li>
 <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2090.html">
 N2090</a>, A Threading API for C++, Peter Dimov</li>
@@ -3126,11 +3037,11 @@
Boost.Thread Library, as refined by literally hundreds of other Boost users and
contributors. Dinkumware and Metrowerks (now Freescale) implementations of
Boost.Thread, developed respectively by Pete Becker and Howard Hinnant, created
-further existing practice. Proposals by Pete Becker, Peter Dimov, Ion Gaztañaga,
+further existing practice. Proposals by Pete Becker, Peter Dimov, Ion Gaztañaga,
and Anthony Williams were also influential. Peter, Ion, and Anthony also
contributed numerous critiques, suggestions, and comments on the current
proposal, as did other members of an ad hoc threads working group.


-</body>
-</html>
\ No newline at end of file
+</div></body></html><ins class="diff">
+</ins>

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