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diff --git a/static/freebsd/man3/pthread_rwlock_rdlock.3 3.html b/static/freebsd/man3/pthread_rwlock_rdlock.3 3.html deleted file mode 100644 index a54dcdae..00000000 --- a/static/freebsd/man3/pthread_rwlock_rdlock.3 3.html +++ /dev/null @@ -1,119 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">PTHREAD_RWLOCK_RDLOCK(3)</td> - <td class="head-vol">Library Functions Manual</td> - <td class="head-rtitle">PTHREAD_RWLOCK_RDLOCK(3)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">pthread_rwlock_rdlock</code>, - <code class="Nm">pthread_rwlock_tryrdlock</code> — - <span class="Nd">acquire a read/write lock for reading</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1> -<p class="Pp"><span class="Lb">POSIX Threads Library (libpthread, - -lpthread)</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="In">#include - <<a class="In">pthread.h</a>></code></p> -<p class="Pp"><var class="Ft">int</var> - <br/> - <code class="Fn">pthread_rwlock_rdlock</code>(<var class="Fa" style="white-space: nowrap;">pthread_rwlock_t - *lock</var>);</p> -<p class="Pp"><var class="Ft">int</var> - <br/> - <code class="Fn">pthread_rwlock_tryrdlock</code>(<var class="Fa" style="white-space: nowrap;">pthread_rwlock_t - *lock</var>);</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The - <a class="permalink" href="#pthread_rwlock_rdlock"><code class="Fn" id="pthread_rwlock_rdlock">pthread_rwlock_rdlock</code></a>() - function acquires a read lock on <var class="Fa">lock</var> provided that - <var class="Fa">lock</var> is not presently held for writing and no writer - threads are presently blocked on the lock. If the read lock cannot be - immediately acquired, the calling thread blocks until it can acquire the - lock.</p> -<p class="Pp" id="pthread_rwlock_tryrdlock">The - <a class="permalink" href="#pthread_rwlock_tryrdlock"><code class="Fn">pthread_rwlock_tryrdlock</code></a>() - function performs the same action, but does not block if the lock cannot be - immediately obtained (i.e., the lock is held for writing or there are - waiting writers).</p> -<p class="Pp" id="pthread_rwlock_unlock">A thread may hold multiple concurrent - read locks. If so, - <a class="permalink" href="#pthread_rwlock_unlock"><code class="Fn">pthread_rwlock_unlock</code></a>() - must be called once for each lock obtained.</p> -<p class="Pp">The results of acquiring a read lock while the calling thread - holds a write lock are undefined.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="IMPLEMENTATION_NOTES"><a class="permalink" href="#IMPLEMENTATION_NOTES">IMPLEMENTATION - NOTES</a></h1> -<p class="Pp">To prevent writer starvation, writers are favored over - readers.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN - VALUES</a></h1> -<p class="Pp">If successful, the <code class="Fn">pthread_rwlock_rdlock</code>() - and <code class="Fn">pthread_rwlock_tryrdlock</code>() functions will return - zero. Otherwise an error number will be returned to indicate the error.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1> -<p class="Pp">The <code class="Fn">pthread_rwlock_tryrdlock</code>() function - will fail if:</p> -<dl class="Bl-tag"> - <dt id="EBUSY">[<a class="permalink" href="#EBUSY"><code class="Er">EBUSY</code></a>]</dt> - <dd>The lock could not be acquired because a writer holds the lock or was - blocked on it.</dd> -</dl> -<p class="Pp">The <code class="Fn">pthread_rwlock_rdlock</code>() and - <code class="Fn">pthread_rwlock_tryrdlock</code>() functions may fail - if:</p> -<dl class="Bl-tag"> - <dt id="EAGAIN">[<a class="permalink" href="#EAGAIN"><code class="Er">EAGAIN</code></a>]</dt> - <dd>The lock could not be acquired because the maximum number of read locks - against <var class="Fa">lock</var> has been exceeded.</dd> - <dt id="EDEADLK">[<a class="permalink" href="#EDEADLK"><code class="Er">EDEADLK</code></a>]</dt> - <dd>The current thread already owns <var class="Fa">lock</var> for - writing.</dd> - <dt id="EINVAL">[<a class="permalink" href="#EINVAL"><code class="Er">EINVAL</code></a>]</dt> - <dd>The value specified by <var class="Fa">lock</var> is invalid.</dd> - <dt id="ENOMEM">[<a class="permalink" href="#ENOMEM"><code class="Er">ENOMEM</code></a>]</dt> - <dd>Insufficient memory exists to initialize the lock (applies to statically - initialized locks only).</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><a class="Xr">pthread_rwlock_init(3)</a>, - <a class="Xr">pthread_rwlock_trywrlock(3)</a>, - <a class="Xr">pthread_rwlock_unlock(3)</a>, - <a class="Xr">pthread_rwlock_wrlock(3)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="STANDARDS"><a class="permalink" href="#STANDARDS">STANDARDS</a></h1> -<p class="Pp">The <code class="Fn">pthread_rwlock_rdlock</code>() and - <code class="Fn">pthread_rwlock_tryrdlock</code>() functions are expected to - conform to <span class="St">Version 2 of the Single UNIX - Specification (“SUSv2”)</span>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Fn">pthread_rwlock_rdlock</code>() function first - appeared in <span class="Ux">FreeBSD 3.0</span>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">August 4, 1998</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |
