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DECLARE_MODULE ()
  • >> DECLARE_MODULE (9) ( FreeBSD man: Ядро )

  • BSD mandoc
     

    NAME

    
    
    DECLARE_MODULE
    
     - kernel module declaration macro
    
     
    

    SYNOPSIS

       #include <sys/param.h>
       #include <sys/kernel.h>
       #include <sys/module.h>
    DECLARE_MODULE (name moduledata_t data sub order);
     

    DESCRIPTION

    The DECLARE_MODULE ();
    macro declares a generic kernel module. It is used to register the module with the system, using the SYSINIT ();
    macro. DECLARE_MODULE ();
    is usually used within other macros, such as DRIVER_MODULE9, DEV_MODULE9 and SYSCALL_MODULE9. Of course, it can also be called directly, for example in order to implement dynamic sysctls.

    The arguments it expects are:

    Fa name
    The module name, which will be used in the SYSINIT ();
    call to identify the module.
    Fa data
    A Vt moduledata_t structure, which contains two main items, the official name of the module name, which will be used in the Vt module_t structure and a pointer to the event handler function of type Vt modeventhand_t .
    Fa sub
    An argument directed to the SYSINIT ();
    macro. Valid values for this are contained in the Vt sysinit_sub_id enumeration (see In sys/kernel.h ) and specify the type of system startup interfaces. The DRIVER_MODULE9 macro uses a value of SI_SUB_DRIVERS here for example, since these modules contain a driver for a device. For kernel modules that are loaded at runtime, a value of SI_SUB_EXEC is common.
    Fa order
    An argument for SYSINIT (.);
    It represents the KLDs order of initialization within the subsystem. Valid values are defined in the Vt sysinit_elem_order enumeration (In sys/kernel.h )

     

    SEE ALSO

    DEV_MODULE9, DRIVER_MODULE9, module(9), SYSCALL_MODULE9

    /usr/include/sys/kernel.h /usr/share/examples/kld  

    AUTHORS

    An -nosplit This manual page was written by An Alexander Langer Aq alex@FreeBSD.org , inspired by the KLD Facility Programming Tutorial by An Andrew Reiter Aq arr@watson.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    AUTHORS


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