diff options
Diffstat (limited to 'runtime/docs/html/io_8c-source.html')
| -rw-r--r-- | runtime/docs/html/io_8c-source.html | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/runtime/docs/html/io_8c-source.html b/runtime/docs/html/io_8c-source.html deleted file mode 100644 index 82721232..00000000 --- a/runtime/docs/html/io_8c-source.html +++ /dev/null @@ -1,118 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> -<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> -<title>SystemTap: io.c Source File</title> -<link href="doxygen.css" rel="stylesheet" type="text/css"> -</head><body> -<!-- Generated by Doxygen 1.4.1 --> -<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div> -<h1>io.c</h1><a href="io_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#ifndef _IO_C_ </span><span class="comment">/* -*- linux-c -*- */</span> -00002 <span class="preprocessor">#define _IO_C_</span> -00003 <span class="preprocessor"></span> -00004 <span class="preprocessor">#include "relay-app.h"</span> -00005 <span class="preprocessor">#include "print.c"</span> -00006 <span class="comment"></span> -00007 <span class="comment">/** @file io.c</span> -00008 <span class="comment"> * @brief I/O functions</span> -00009 <span class="comment"> */</span><span class="comment"></span> -00010 <span class="comment">/** @addtogroup io I/O</span> -00011 <span class="comment"> * I/O functions</span> -00012 <span class="comment"> * @{</span> -00013 <span class="comment"> */</span> -00014 <span class="comment"></span> -00015 <span class="comment">/** private buffer for _stp_log() */</span> -<a name="l00016"></a><a class="code" href="group__io.html#ga9">00016</a> <span class="preprocessor">#define STP_LOG_BUF_LEN 2047</span> -00017 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">char</span> _stp_lbuf[NR_CPUS][<a class="code" href="group__io.html#ga9">STP_LOG_BUF_LEN</a> + 1]; -00018 <span class="comment"></span> -00019 <span class="comment">/** Logs Data.</span> -00020 <span class="comment"> * This function prints to the system log if stpd has not connected</span> -00021 <span class="comment"> * yet. Otherwise it sends the message immediately to stpd.</span> -00022 <span class="comment"> * @param fmt A variable number of args.</span> -00023 <span class="comment"> * @note Lines are limited in length by printk buffer. If there is</span> -00024 <span class="comment"> * no newline in the format string, then other syslog output could</span> -00025 <span class="comment"> * get appended to the SystemTap line.</span> -00026 <span class="comment"> * @todo Evaluate if this function is necessary.</span> -00027 <span class="comment"> */</span> -00028 -<a name="l00029"></a><a class="code" href="group__io.html#ga2">00029</a> <span class="keywordtype">void</span> <a class="code" href="group__io.html#ga2">_stp_log</a> (<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...) -00030 { -00031 <span class="keywordtype">int</span> num; -00032 <span class="keywordtype">char</span> *buf = &_stp_lbuf[smp_processor_id()][0]; -00033 va_list args; -00034 va_start(args, fmt); -00035 num = vscnprintf (buf, <a class="code" href="group__io.html#ga9">STP_LOG_BUF_LEN</a>, fmt, args); -00036 va_end(args); -00037 buf[num] = <span class="charliteral">'\0'</span>; -00038 -00039 <span class="keywordflow">if</span> (app.logging) -00040 send_reply (STP_REALTIME_DATA, buf, num + 1, stpd_pid); -00041 <span class="keywordflow">else</span> -00042 printk(<span class="stringliteral">"STP: %s"</span>, buf); -00043 } -00044 -00045 <span class="keyword">static</span> <span class="keywordtype">void</span> stpd_app_started(<span class="keywordtype">void</span>) -00046 { -00047 printk (<span class="stringliteral">"stpd has started.\n"</span>); -00048 } -00049 -00050 <span class="keyword">static</span> <span class="keywordtype">void</span> stpd_app_stopped(<span class="keywordtype">void</span>) -00051 { -00052 printk (<span class="stringliteral">"stpd has stopped.\n"</span>); -00053 } -00054 -00055 <span class="keyword">static</span> <span class="keywordtype">void</span> probe_exit(<span class="keywordtype">void</span>); -00056 -00057 <span class="preprocessor">#include <linux/delay.h></span> -00058 <span class="keyword">static</span> <span class="keywordtype">int</span> stpd_command (<span class="keywordtype">int</span> type, <span class="keywordtype">void</span> *data) -00059 { -00060 <span class="keywordflow">if</span> (type == STP_EXIT) { -00061 printk (<span class="stringliteral">"STP_EXIT received\n"</span>); -00062 probe_exit(); -00063 <span class="preprocessor">#ifndef STP_NETLINK_ONLY</span> -00064 <span class="preprocessor"></span> relay_flush(app.chan); -00065 ssleep(2); <span class="comment">/* FIXME: time for data to be flushed */</span> -00066 <span class="preprocessor">#endif</span> -00067 <span class="preprocessor"></span> send_reply (STP_EXIT, __this_module.name, strlen(__this_module.name) + 1, stpd_pid); -00068 <span class="keywordflow">return</span> 1; -00069 } -00070 <span class="keywordflow">return</span> 0; -00071 } -00072 -00073 <span class="comment">/*</span> -00074 <span class="comment"> * relay-app callbacks</span> -00075 <span class="comment"> */</span> -00076 <span class="keyword">static</span> <span class="keyword">struct </span>relay_app_callbacks stp_callbacks = -00077 { -00078 .app_started = stpd_app_started, -00079 .app_stopped = stpd_app_stopped, -00080 .user_command = stpd_command -00081 }; -00082 <span class="comment"></span> -00083 <span class="comment">/** Opens netlink and relayfs connections to stpd.</span> -00084 <span class="comment"> * This must be called before any I/O is done, probably </span> -00085 <span class="comment"> * at the start of module initialization.</span> -00086 <span class="comment"> */</span> -<a name="l00087"></a><a class="code" href="group__io.html#ga7">00087</a> <span class="keywordtype">int</span> <a class="code" href="group__io.html#ga7">_stp_netlink_open</a>(<span class="keywordtype">void</span>) -00088 { -00089 <span class="keywordflow">if</span> (init_relay_app(<span class="stringliteral">"stpd"</span>, <span class="stringliteral">"cpu"</span>, &stp_callbacks)) { -00090 printk (<span class="stringliteral">"STP: couldn't init relay app\n"</span>); -00091 <span class="keywordflow">return</span> -1; -00092 } -00093 <span class="keywordflow">return</span> 0; -00094 } -00095 <span class="comment"></span> -00096 <span class="comment">/** Closes netlink and relayfs connections to stpd.</span> -00097 <span class="comment"> * This must be called after all I/O is done, probably </span> -00098 <span class="comment"> * at the end of module cleanup.</span> -00099 <span class="comment"> * @returns 0 on success. -1 if there is a problem establishing</span> -00100 <span class="comment"> * a connection.</span> -00101 <span class="comment"> */</span> -00102 -<a name="l00103"></a><a class="code" href="group__io.html#ga8">00103</a> <span class="keywordtype">void</span> <a class="code" href="group__io.html#ga8">_stp_netlink_close</a> (<span class="keywordtype">void</span>) -00104 { -00105 send_reply (STP_DONE, NULL, 0, stpd_pid); -00106 close_relay_app(); -00107 } -00108 <span class="comment"></span> -00109 <span class="comment">/** @} */</span> -00110 <span class="preprocessor">#endif </span><span class="comment">/* _IO_C_ */</span> -</pre></div></body></html> |