File: mono-api-embedding.html

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<head>
    <title>mono-api-embedding.html</title>
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<body>
<div class="mapi-docs">
<h2>Embedding Mono</h2>

	<p />The Mono runtime can be embedded into C and C++
	applications.   Your C/C++ code can invoke managed code
	running in the Mono/.NET world and you can also surface your
	internal application APIs to Mono and .NET.

	<p />For an overview of how to embed Mono into your application
	and the strategies that you can use to embed Mono, check the
	Mono
	website's <a href="http://www.mono-project.com/docs/advanced/embedding/">Embedding
	Mono</a> page.

	<p />This page is the companion API reference for the above guide.
	
	<p />The simplest way of embedding Mono is illustrated here:
<pre>
int main (int argc, char *argv)
{
	/*
	 * Load the default Mono configuration file, this is needed
	 * if you are planning on using the dllmaps defined on the
	 * system configuration
	 */
	mono_config_parse (NULL);

	/*
	 * mono_jit_init() creates a domain: each assembly is
	 * loaded and run in a MonoDomain.
	 */
	MonoDomain *domain = mono_jit_init (&quot;startup.exe&quot;);

	/*
	 * Optionally, add an internal call that your startup.exe
	 * code can call, this will bridge startup.exe to Mono
	 */
	mono_add_internal_call (&quot;Sample::GetMessage&quot;, getMessage);

	/*
	 * Open the executable, and run the Main method declared
	 * in the executable
	 */
	MonoAssembly *assembly = mono_domain_assembly_open (domain, &quot;startup.exe&quot;);

	if (!assembly)
		exit (2);
	/*
	 * mono_jit_exec() will run the Main() method in the assembly.
	 * The return value needs to be looked up from
	 * System.Environment.ExitCode.
	 */
	mono_jit_exec (domain, assembly, argc, argv);
}

/* The C# signature for this method is: string GetMessage () in class Sample */
MonoString*
getMessage ()
{
	return mono_string_new (mono_domain_get (), &quot;Hello, world&quot;);
}
</pre>

<a name="api:mono_jit_init"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_init</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_jit_init</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_parse_options"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_parse_options</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_jit_parse_options</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_exec"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_exec</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">int 
mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>assembly</i><td> reference to an assembly</td></td></tr><tr><td><i>argc</i><td> argument count</td></td></tr><tr><td><i>argv</i><td> argument vector</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Start execution of a program.</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_set_dirs"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_set_dirs</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_set_dirs (const char *assembly_dir, const char *config_dir)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>assembly_dir</i><td> the base directory for assemblies</td></td></tr><tr><td><i>config_dir</i><td> the base directory for configuration files</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 This routine is used internally and by developers embedding
	 the runtime into their own applications.
	<p />
	 There are a number of cases to consider: Mono as a system-installed
	 package that is available on the location preconfigured or Mono in
	 a relocated location.
	<p />
	 If you are using a system-installed Mono, you can pass <code>NULL</code>
	 to both parameters.  If you are not, you should compute both
	 directory values and call this routine.
	<p />
	 The values for a given PREFIX are:
	<p />
	    assembly_dir: PREFIX/lib
	    config_dir:   PREFIX/etc
	<p />
	 Notice that embedders that use Mono in a relocated way must
	 compute the location at runtime, as they will be in control
	 of where Mono is installed.</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_parse_default_optimizations"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_parse_default_optimizations</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_parse_default_optimizations</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_runtime_set_main_args"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_runtime_set_main_args</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">int
mono_runtime_set_main_args (int argc, char* argv[])

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>argc</i><td> number of arguments from the command line</td></td></tr><tr><td><i>argv</i><td> array of strings from the command line</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Set the command line arguments from an embedding application that doesn't otherwise call
	 mono_runtime_run_main ().</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_cleanup"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_cleanup</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_jit_cleanup</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_set_trace_options"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_set_trace_options</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">gboolean
mono_jit_set_trace_options (const char* options)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>options</i><td> string representing the trace options</td></td></tr></tbody></table>             <div class="mapi-section">Return value</div>
             <div>	  #<code>TRUE</code> if the options where parsed and set correctly, #<code>FALSE</code> otherwise.
</div>
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Set the options of the tracing engine. This function can be called before initializing
	 the mono runtime. See the --trace mono(1) manpage for the options format.
	<p /></div>
        </div><!--mapi-description -->
    </div><!--height container -->


<h3>Internal Calls</h3>

	<p />The Mono runtime provides two mechanisms to expose C code
	to the CIL universe: internal calls and native C
	code. Internal calls are tightly integrated with the runtime,
	and have the least overhead, as they use the same data types
	that the runtime uses.

	<p />The other option is to use the Platform Invoke (P/Invoke)
	to call C code from the CIL universe, using the standard
	<a href="http://www.mono-project.com/Interop_with_Native_Libraries">P/Invoke</a>
	mechanisms.

	<p />To register an internal call, use this call you use the
	<a href="#api:mono_add_internal_call"><tt>mono_add_internal_call</tt>
	routine.

</a></div> <!-- class=mapi  -->

<a name="api:mono_add_internal_call"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_add_internal_call</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_add_internal_call (const char *name, gconstpointer method)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>name</i><td> method specification to surface to the managed world</td></td></tr><tr><td><i>method</i><td> pointer to a C method to invoke when the method is called</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 This method surfaces the C function pointed by <i>method</i> as a method
	 that has been surfaced in managed code with the method specified in
	 <i>name</i> as an internal call.
	<p />
	 Internal calls are surfaced to all app domains loaded and they are
	 accessibly by a type with the specified name.
	<p />
	 You must provide a fully qualified type name, that is namespaces
	 and type name, followed by a colon and the method name, with an
	 optional signature to bind.
	<p />
	 For example, the following are all valid declarations:
	<p />
	 &quot;MyApp.Services.ScriptService:Accelerate&quot;
	 &quot;MyApp.Services.ScriptService:Slowdown(int,bool)&quot;
	<p />
	 You use method parameters in cases where there might be more than
	 one surface method to managed code.  That way you can register different
	 internal calls for different method overloads.
	<p />
	 The internal calls are invoked with no marshalling.   This means that .NET
	 types like System.String are exposed as `MonoString *` parameters.   This is
	 different than the way that strings are surfaced in P/Invoke.
	<p />
	 For more information on how the parameters are marshalled, see the
	 <a href="http://www.mono-project.com/docs/advanced/embedding/">Mono Embedding</a>
	 page.
	<p />
	 See the <a href="mono-api-methods.html&lt;code&gt;method&lt;/code&gt;-desc">Method Description</a>
	 reference for more information on the format of method descriptions.</div>
        </div><!--mapi-description -->
    </div><!--height container -->

<h3>P/Invoke with embedded applications</h3>

	<p />Unlike internal calls, Platform/Invoke is easier to use and
	more portable.  It allows you to share code with Windows and
	.NET that have a different setup for internal calls to their
	own runtime.

	<p />Usually P/Invoke declarations reference external libraries
	like:

	<pre>
	[DllImport (&quot;opengl&quot;)]
	void glBegin (GLEnum mode)
	</pre>

	<p />Mono extends P/Invoke to support looking up symbols not in
	an external library, but looking up those symbols into the
	same address space as your program, to do this, use the
	special library name &quot;__Internal&quot;.   This will direct Mono to
	lookup the method in your own process.

	<p />There are situations where the host operating system does
	not support looking up symbols on the process address space.
	For situations like this you can use
	the <a href="#api:mono_dl_register_library">mono_dl_register_library</a>. 

</div>
<h4><a name="api:mono_dl_register_library">mono_dl_register_library</a></h4>
	
<h3>Data Marshalling</h3>

	<p />Managed objects are represented as <tt>MonoObject*</tt>
	types.  Those objects that the runtime consumes directly have
	more specific C definitions (for example strings are of type
	<tt>MonoString *</tt>, delegates are of type
	<tt>MonoDelegate*</tt> but they are still <tt>MonoObject
	*</tt>s).

	<p />As of Mono 1.2.x types defined in mscorlib.dll do not have
	their fields reordered in any way.   But other libraries might
	have their fields reordered.   In these cases, Managed
	structures and objects have the same layout in the C# code as
	they do in the unmanaged world.

	<p />Structures defined outside corlib must have a specific
	StructLayout definition, and have it set as sequential if you
	plan on accessing these fields directly from C code.

	<p /><b>Important</b> Internal calls do not provide support for
	marshalling structures.  This means that any API calls that
	take a structure (excluding the system types like int32,
	int64, etc) must be passed as a pointer, in C# this means
	passing the value as a &quot;ref&quot; or &quot;out&quot; parameter.

<h3>Mono Runtime Configuration</h3>

	<p />Certain features of the Mono runtime, like DLL mapping, are
	available through a configuration file that is loaded at
	runtime.   The default Mono implementation loads the
	configuration file from <tt>$sysconfig/mono/config</tt>
	(typically this is <tt>/etc/mono/config</tt>).

	<p />See the <tt>mono-config(5)</tt> man page for more details
	on what goes in this file.

	<p />The following APIs expose this functionality:
	
<a name="api:mono_config_cleanup"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_cleanup</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_config_cleanup</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_config_is_server_mode"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_is_server_mode</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_config_is_server_mode</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_config_parse"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_parse</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_config_parse (const char *filename)
</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>filename</i><td> the filename to load the configuration variables from.</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Pass a <code>NULL</code> filename to parse the default config files
	 (or the file in the MONO_CONFIG env var).</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_config_parse_memory"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_parse_memory</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_config_parse_memory (const char *buffer)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>buffer</i><td> a pointer to an string XML representation of the configuration</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Parses the configuration from a buffer</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_config_set_server_mode"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_set_server_mode</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_config_set_server_mode</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_config_string_for_assembly_file"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_config_string_for_assembly_file</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_config_string_for_assembly_file</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_get_config_dir"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_get_config_dir</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_get_config_dir</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_get_machine_config"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_get_machine_config</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_get_machine_config</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_register_machine_config"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_register_machine_config</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_register_machine_config</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_set_config_dir"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_set_config_dir</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_set_config_dir</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->

<h3>Advanced Execution Setups</h3>

	<p />These are not recommended ways of initializing Mono, they
	are done internally by mono_jit_init, but are here to explain
	what happens internally.
	
</div> <!-- class=mapi  -->

<a name="api:mono_runtime_exec_managed_code"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_runtime_exec_managed_code</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_runtime_exec_managed_code (MonoDomain *domain,
				MonoMainThreadFunc main_func,
				gpointer main_args)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>domain</i><td> Application domain</td></td></tr><tr><td><i>main_func</i><td> function to invoke from the execution thread</td></td></tr><tr><td><i>main_args</i><td> parameter to the main_func</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Launch a new thread to execute a function
	<p />
	 main_func is called back from the thread with main_args as the
	 parameter.  The callback function is expected to start Main()
	 eventually.  This function then waits for all managed threads to
	 finish.
	 It is not necesseray anymore to execute managed code in a subthread,
	 so this function should not be used anymore by default: just
	 execute the code and then call mono_thread_manage ().</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_runtime_exec_main"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_runtime_exec_main</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_runtime_exec_main</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_init"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_init</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">MonoDomain*
mono_init (const char *domain_name)

</div>
            <p />
             <div class="mapi-section">Return value</div>
             <div>	  the initial domain.
</div>
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Creates the initial application domain and initializes the mono_defaults
	 structure.
	<p />
	 This function is guaranteed to not run any IL code.
	 The runtime is initialized using the default runtime version.
	<p /></div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_init_from_assembly"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_init_from_assembly</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">MonoDomain*
mono_init_from_assembly (const char *domain_name, const char *filename)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>domain_name</i><td> name to give to the initial domain</td></td></tr><tr><td><i>filename</i><td> filename to load on startup</td></td></tr></tbody></table>             <div class="mapi-section">Return value</div>
             <div>	  the initial domain.
</div>
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Used by the runtime, users should use mono_jit_init instead.
	<p />
	 Creates the initial application domain and initializes the mono_defaults
	 structure.
	 This function is guaranteed to not run any IL code.
	 The runtime is initialized using the runtime version required by the
	 provided executable. The version is determined by looking at the exe 
	 configuration file and the version PE field)
	<p /></div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_init_version"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_init_version</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">MonoDomain*
mono_init_version (const char *domain_name, const char *version)

</div>
            <p />
             <div class="mapi-section">Return value</div>
             <div>	  the initial domain.
</div>
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Used by the runtime, users should use mono_jit_init instead.
	<p />
	 Creates the initial application domain and initializes the mono_defaults
	 structure.
	<p />
	 This function is guaranteed to not run any IL code.
	 The runtime is initialized using the provided rutime version.
	<p /></div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_exec"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_exec</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">int 
mono_jit_exec (MonoDomain *domain, MonoAssembly *assembly, int argc, char *argv[])

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>assembly</i><td> reference to an assembly</td></td></tr><tr><td><i>argc</i><td> argument count</td></td></tr><tr><td><i>argv</i><td> argument vector</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Start execution of a program.</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_jit_set_aot_mode"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_jit_set_aot_mode</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">mono_jit_set_aot_mode</div>
            <p />
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_set_break_policy"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_set_break_policy</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_set_break_policy (MonoBreakPolicyFunc policy_callback)

</div>
            <p />
            <div class="mapi-section">Parameters</div>
            <table class="mapi-parameters"><tbody><tr><td><i>policy_callback</i><td> the new callback function</td></td></tr></tbody></table>             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Allow embedders to decide wherther to actually obey breakpoint instructions
	 (both break IL instructions and Debugger.Break () method calls), for example
	 to not allow an app to be aborted by a perfectly valid IL opcode when executing
	 untrusted or semi-trusted code.
	<p />
	 <i>policy_callback</i> will be called every time a break point instruction needs to
	 be inserted with the method argument being the method that calls Debugger.Break()
	 or has the IL break instruction. The callback should return <code>MONO_BREAK_POLICY_NEVER</code>
	 if it wants the breakpoint to not be effective in the given method.
	 <code>MONO_BREAK_POLICY_ALWAYS</code> is the default.</div>
        </div><!--mapi-description -->
    </div><!--height container -->
</div> <!-- class=mapi  -->

<a name="api:mono_get_runtime_build_info"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_get_runtime_build_info</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">char*
mono_get_runtime_build_info (void)

</div>
            <p />
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	 Return the runtime version + build date in string format.
	 The returned string is owned by the caller. The returned string
	 format is &quot;VERSION (FULL_VERSION BUILD_DATE)&quot; and build date is optional.</div>
        </div><!--mapi-description -->
    </div><!--height container -->

<h3>Signal Chaining</h3>

</div> <!-- class=mapi  -->

<a name="api:mono_set_signal_chaining"></a>
<div class="mapi">
    <div class="mapi-entry "><code>mono_set_signal_chaining</code></div>
    <div class="mapi-height-container">
        <div class="mapi-ptr-container"></div>
        <div class="mapi-description">
            <div class="mapi-ptr"></div>

            <div class="mapi-declaration mapi-section">Syntax</div>
            <div class="mapi-prototype">void
mono_set_signal_chaining (gboolean chain_signals)

</div>
            <p />
             <div class="mapi-section">Description</div>
             <div>	<p /> 
	   Enable/disable signal chaining. This should be called before mono_jit_init ().
	 If signal chaining is enabled, the runtime saves the original signal handlers before
	 installing its own handlers, and calls the original ones in the following cases:
	 - a SIGSEGV/SIGABRT signal received while executing native (i.e. not JITted) code.
	 - SIGPROF
	 - SIGFPE
	 - SIGQUIT
	 - SIGUSR2
	 Signal chaining only works on POSIX platforms.</div>
        </div><!--mapi-description -->
    </div><!--height container -->
   </div>
</div></body>
</html>