<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>PulseAudio: mainloop-api.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" 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type="text/javascript"> $(document).ready(function(){initNavTree('mainloop-api_8h.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#nested-classes">Data Structures</a> | <a href="#typedef-members">Typedefs</a> | <a href="#enum-members">Enumerations</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">mainloop-api.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p>Main loop abstraction layer. <a href="#details">More...</a></p> <p><a href="mainloop-api_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Data Structures</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">An abstract mainloop API vtable. <a href="structpa__mainloop__api.html#details">More...</a><br /></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr class="memitem:a02723ebcaea4464cd8d63845d4c2dd92"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a02723ebcaea4464cd8d63845d4c2dd92">pa_mainloop_api</a></td></tr> <tr class="memdesc:a02723ebcaea4464cd8d63845d4c2dd92"><td class="mdescLeft"> </td><td class="mdescRight">An abstract mainloop API vtable. <a href="#a02723ebcaea4464cd8d63845d4c2dd92">More...</a><br /></td></tr> <tr class="separator:a02723ebcaea4464cd8d63845d4c2dd92"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a01d415df4f23e46b20cd218678c4c9a7"><td class="memItemLeft" align="right" valign="top">typedef enum <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1fa">pa_io_event_flags</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a01d415df4f23e46b20cd218678c4c9a7">pa_io_event_flags_t</a></td></tr> <tr class="memdesc:a01d415df4f23e46b20cd218678c4c9a7"><td class="mdescLeft"> </td><td class="mdescRight">A bitmask for IO events. <a href="#a01d415df4f23e46b20cd218678c4c9a7">More...</a><br /></td></tr> <tr class="separator:a01d415df4f23e46b20cd218678c4c9a7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae7acb1df28956a7761ee5488167840a3"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a></td></tr> <tr class="memdesc:ae7acb1df28956a7761ee5488167840a3"><td class="mdescLeft"> </td><td class="mdescRight">An opaque IO event source object. <a href="#ae7acb1df28956a7761ee5488167840a3">More...</a><br /></td></tr> <tr class="separator:ae7acb1df28956a7761ee5488167840a3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa161990f9c5b782773f9dbe87b4cdb97"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#aa161990f9c5b782773f9dbe87b4cdb97">pa_io_event_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *ea, <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> *e, int fd, <a class="el" href="mainloop-api_8h.html#a01d415df4f23e46b20cd218678c4c9a7">pa_io_event_flags_t</a> events, void *userdata)</td></tr> <tr class="memdesc:aa161990f9c5b782773f9dbe87b4cdb97"><td class="mdescLeft"> </td><td class="mdescRight">An IO event callback prototype. <a href="#aa161990f9c5b782773f9dbe87b4cdb97">More...</a><br /></td></tr> <tr class="separator:aa161990f9c5b782773f9dbe87b4cdb97"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa903bf03c8bd7e6c69ba4f7472e9e609"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#aa903bf03c8bd7e6c69ba4f7472e9e609">pa_io_event_destroy_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> *e, void *userdata)</td></tr> <tr class="memdesc:aa903bf03c8bd7e6c69ba4f7472e9e609"><td class="mdescLeft"> </td><td class="mdescRight">A IO event destroy callback prototype. <a href="#aa903bf03c8bd7e6c69ba4f7472e9e609">More...</a><br /></td></tr> <tr class="separator:aa903bf03c8bd7e6c69ba4f7472e9e609"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a45b1a5f366caddb669789d5e69338f06"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a></td></tr> <tr class="memdesc:a45b1a5f366caddb669789d5e69338f06"><td class="mdescLeft"> </td><td class="mdescRight">An opaque timer event source object. <a href="#a45b1a5f366caddb669789d5e69338f06">More...</a><br /></td></tr> <tr class="separator:a45b1a5f366caddb669789d5e69338f06"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adbf3f332c476d00937c54d48ae1a0195"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#adbf3f332c476d00937c54d48ae1a0195">pa_time_event_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> *e, const struct timeval *tv, void *userdata)</td></tr> <tr class="memdesc:adbf3f332c476d00937c54d48ae1a0195"><td class="mdescLeft"> </td><td class="mdescRight">A time event callback prototype. <a href="#adbf3f332c476d00937c54d48ae1a0195">More...</a><br /></td></tr> <tr class="separator:adbf3f332c476d00937c54d48ae1a0195"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a99ceae799eb6238e9163c13bf959a14b"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a99ceae799eb6238e9163c13bf959a14b">pa_time_event_destroy_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> *e, void *userdata)</td></tr> <tr class="memdesc:a99ceae799eb6238e9163c13bf959a14b"><td class="mdescLeft"> </td><td class="mdescRight">A time event destroy callback prototype. <a href="#a99ceae799eb6238e9163c13bf959a14b">More...</a><br /></td></tr> <tr class="separator:a99ceae799eb6238e9163c13bf959a14b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a545440c2c08074c93939cb1240a7d087"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a></td></tr> <tr class="memdesc:a545440c2c08074c93939cb1240a7d087"><td class="mdescLeft"> </td><td class="mdescRight">An opaque deferred event source object. <a href="#a545440c2c08074c93939cb1240a7d087">More...</a><br /></td></tr> <tr class="separator:a545440c2c08074c93939cb1240a7d087"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a43efe1c689d3c135391a88344acc199a"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a43efe1c689d3c135391a88344acc199a">pa_defer_event_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> *e, void *userdata)</td></tr> <tr class="memdesc:a43efe1c689d3c135391a88344acc199a"><td class="mdescLeft"> </td><td class="mdescRight">A defer event callback prototype. <a href="#a43efe1c689d3c135391a88344acc199a">More...</a><br /></td></tr> <tr class="separator:a43efe1c689d3c135391a88344acc199a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a172bb54939aff91f71d1955a21267fb5"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a172bb54939aff91f71d1955a21267fb5">pa_defer_event_destroy_cb_t</a>) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> *e, void *userdata)</td></tr> <tr class="memdesc:a172bb54939aff91f71d1955a21267fb5"><td class="mdescLeft"> </td><td class="mdescRight">A defer event destroy callback prototype. <a href="#a172bb54939aff91f71d1955a21267fb5">More...</a><br /></td></tr> <tr class="separator:a172bb54939aff91f71d1955a21267fb5"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a> Enumerations</h2></td></tr> <tr class="memitem:a6769e3c8a68703a81a68d5d72b32d1fa"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1fa">pa_io_event_flags</a> { <br />   <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1faa458d976392190c7626b4f789bf11b2ea">PA_IO_EVENT_NULL</a> = 0, <br />   <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1faaba9fbd1e6cb3031098a2aaa144c78336">PA_IO_EVENT_INPUT</a> = 1, <br />   <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1faa3aff35dad0cd23ae3796b3141fee4dce">PA_IO_EVENT_OUTPUT</a> = 2, <br />   <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1faa9b6a006b1dc3894fd6bd8d5d99be5831">PA_IO_EVENT_HANGUP</a> = 4, <br />   <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1faa7e0f4c300b66f92e0c59a0d56326f488">PA_IO_EVENT_ERROR</a> = 8 <br /> }<tr class="memdesc:a6769e3c8a68703a81a68d5d72b32d1fa"><td class="mdescLeft"> </td><td class="mdescRight">A bitmask for IO events. <a href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1fa">More...</a><br /></td></tr> </td></tr> <tr class="separator:a6769e3c8a68703a81a68d5d72b32d1fa"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:a0b38e33a821ac63ce99b4beb3f6313e8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainloop-api_8h.html#a0b38e33a821ac63ce99b4beb3f6313e8">pa_mainloop_api_once</a> (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *m, void(*callback)(<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *m, void *userdata), void *userdata)</td></tr> <tr class="memdesc:a0b38e33a821ac63ce99b4beb3f6313e8"><td class="mdescLeft"> </td><td class="mdescRight">Run the specified callback function once from the main loop using an anonymous defer event. <a href="#a0b38e33a821ac63ce99b4beb3f6313e8">More...</a><br /></td></tr> <tr class="separator:a0b38e33a821ac63ce99b4beb3f6313e8"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Main loop abstraction layer. </p> <p>Both the PulseAudio core and the PulseAudio client library use a main loop abstraction layer. Due to this it is possible to embed PulseAudio into other applications easily. Two main loop implementations are currently available: </p><ul> <li>A minimal implementation based on the C library's poll() function (See <a class="el" href="mainloop_8h.html">mainloop.h</a>) </li> <li>A wrapper around the GLIB main loop. Use this to embed PulseAudio into your GLIB/GTK+/GNOME programs (See <a class="el" href="glib-mainloop_8h.html">glib-mainloop.h</a>)</li> </ul> <p>The structure <a class="el" href="structpa__mainloop__api.html" title="An abstract mainloop API vtable. ">pa_mainloop_api</a> is used as vtable for the main loop abstraction.</p> <p>This mainloop abstraction layer has no direct support for UNIX signals. Generic, mainloop implementation agnostic support is available through <a class="el" href="mainloop-signal_8h.html">mainloop-signal.h</a>. </p> </div><h2 class="groupheader">Typedef Documentation</h2> <a id="a545440c2c08074c93939cb1240a7d087"></a> <h2 class="memtitle"><span class="permalink"><a href="#a545440c2c08074c93939cb1240a7d087">◆ </a></span>pa_defer_event</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a></td> </tr> </table> </div><div class="memdoc"> <p>An opaque deferred event source object. </p> <p>Events of this type are triggered once in every main loop iteration </p> </div> </div> <a id="a43efe1c689d3c135391a88344acc199a"></a> <h2 class="memtitle"><span class="permalink"><a href="#a43efe1c689d3c135391a88344acc199a">◆ </a></span>pa_defer_event_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_defer_event_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> *e, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>A defer event callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <a id="a172bb54939aff91f71d1955a21267fb5"></a> <h2 class="memtitle"><span class="permalink"><a href="#a172bb54939aff91f71d1955a21267fb5">◆ </a></span>pa_defer_event_destroy_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_defer_event_destroy_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a545440c2c08074c93939cb1240a7d087">pa_defer_event</a> *e, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>A defer event destroy callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <a id="ae7acb1df28956a7761ee5488167840a3"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae7acb1df28956a7761ee5488167840a3">◆ </a></span>pa_io_event</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a></td> </tr> </table> </div><div class="memdoc"> <p>An opaque IO event source object. </p> </div> </div> <a id="aa161990f9c5b782773f9dbe87b4cdb97"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa161990f9c5b782773f9dbe87b4cdb97">◆ </a></span>pa_io_event_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_io_event_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *ea, <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> *e, int fd, <a class="el" href="mainloop-api_8h.html#a01d415df4f23e46b20cd218678c4c9a7">pa_io_event_flags_t</a> events, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>An IO event callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <a id="aa903bf03c8bd7e6c69ba4f7472e9e609"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa903bf03c8bd7e6c69ba4f7472e9e609">◆ </a></span>pa_io_event_destroy_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_io_event_destroy_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#ae7acb1df28956a7761ee5488167840a3">pa_io_event</a> *e, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>A IO event destroy callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <a id="a01d415df4f23e46b20cd218678c4c9a7"></a> <h2 class="memtitle"><span class="permalink"><a href="#a01d415df4f23e46b20cd218678c4c9a7">◆ </a></span>pa_io_event_flags_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef enum <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1fa">pa_io_event_flags</a> <a class="el" href="mainloop-api_8h.html#a01d415df4f23e46b20cd218678c4c9a7">pa_io_event_flags_t</a></td> </tr> </table> </div><div class="memdoc"> <p>A bitmask for IO events. </p> </div> </div> <a id="a02723ebcaea4464cd8d63845d4c2dd92"></a> <h2 class="memtitle"><span class="permalink"><a href="#a02723ebcaea4464cd8d63845d4c2dd92">◆ </a></span>pa_mainloop_api</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> <a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a></td> </tr> </table> </div><div class="memdoc"> <p>An abstract mainloop API vtable. </p> </div> </div> <a id="a45b1a5f366caddb669789d5e69338f06"></a> <h2 class="memtitle"><span class="permalink"><a href="#a45b1a5f366caddb669789d5e69338f06">◆ </a></span>pa_time_event</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a></td> </tr> </table> </div><div class="memdoc"> <p>An opaque timer event source object. </p> </div> </div> <a id="adbf3f332c476d00937c54d48ae1a0195"></a> <h2 class="memtitle"><span class="permalink"><a href="#adbf3f332c476d00937c54d48ae1a0195">◆ </a></span>pa_time_event_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_time_event_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> *e, const struct timeval *tv, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>A time event callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <a id="a99ceae799eb6238e9163c13bf959a14b"></a> <h2 class="memtitle"><span class="permalink"><a href="#a99ceae799eb6238e9163c13bf959a14b">◆ </a></span>pa_time_event_destroy_cb_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* pa_time_event_destroy_cb_t) (<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *a, <a class="el" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> *e, void *userdata)</td> </tr> </table> </div><div class="memdoc"> <p>A time event destroy callback prototype. </p> <dl class="section since"><dt>Since</dt><dd>0.9.3 </dd></dl> </div> </div> <h2 class="groupheader">Enumeration Type Documentation</h2> <a id="a6769e3c8a68703a81a68d5d72b32d1fa"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6769e3c8a68703a81a68d5d72b32d1fa">◆ </a></span>pa_io_event_flags</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">enum <a class="el" href="mainloop-api_8h.html#a6769e3c8a68703a81a68d5d72b32d1fa">pa_io_event_flags</a></td> </tr> </table> </div><div class="memdoc"> <p>A bitmask for IO events. </p> <table class="fieldtable"> <tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a6769e3c8a68703a81a68d5d72b32d1faa458d976392190c7626b4f789bf11b2ea"></a>PA_IO_EVENT_NULL </td><td class="fielddoc"><p>No event. </p> </td></tr> <tr><td class="fieldname"><a id="a6769e3c8a68703a81a68d5d72b32d1faaba9fbd1e6cb3031098a2aaa144c78336"></a>PA_IO_EVENT_INPUT </td><td class="fielddoc"><p>Input event. </p> </td></tr> <tr><td class="fieldname"><a id="a6769e3c8a68703a81a68d5d72b32d1faa3aff35dad0cd23ae3796b3141fee4dce"></a>PA_IO_EVENT_OUTPUT </td><td class="fielddoc"><p>Output event. </p> </td></tr> <tr><td class="fieldname"><a id="a6769e3c8a68703a81a68d5d72b32d1faa9b6a006b1dc3894fd6bd8d5d99be5831"></a>PA_IO_EVENT_HANGUP </td><td class="fielddoc"><p>Hangup event. </p> </td></tr> <tr><td class="fieldname"><a id="a6769e3c8a68703a81a68d5d72b32d1faa7e0f4c300b66f92e0c59a0d56326f488"></a>PA_IO_EVENT_ERROR </td><td class="fielddoc"><p>Error event. </p> </td></tr> </table> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a id="a0b38e33a821ac63ce99b4beb3f6313e8"></a> <h2 class="memtitle"><span class="permalink"><a href="#a0b38e33a821ac63ce99b4beb3f6313e8">◆ </a></span>pa_mainloop_api_once()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void pa_mainloop_api_once </td> <td>(</td> <td class="paramtype"><a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> * </td> <td class="paramname"><em>m</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void(*)(<a class="el" href="structpa__mainloop__api.html">pa_mainloop_api</a> *m, void *userdata) </td> <td class="paramname"><em>callback</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">void * </td> <td class="paramname"><em>userdata</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Run the specified callback function once from the main loop using an anonymous defer event. </p> <p>If the mainloop runs in a different thread, you need to follow the mainloop implementation's rules regarding how to safely create defer events. In particular, if you're using <a class="el" href="thread-mainloop_8h.html#a40393b9b64dc8213bcd5f017344baf74">pa_threaded_mainloop</a>, you must lock the mainloop before calling this function. </p> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_ec5b0a79aff2db41fe5d1b9326f09c28.html">pulse</a></li><li class="navelem"><a class="el" href="mainloop-api_8h.html">mainloop-api.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li> </ul> </div> </body> </html>