http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/init.h

#ifndef _LINUX_INIT_H #define _LINUX_INIT_H #include <linux/config.h> #include <linux/compiler.h> /* These macros are used to mark some functions or * initialized data (doesn't apply to uninitialized data) * as `initialization' functions. The kernel can take this * as hint that the function is used only during the initialization * phase and free up used memory resources after * * Usage: * For functions: * * You should add __init immediately before the function name, like: * * static void __init initme(int x, int y) * { * extern int z; z = x * y; * } * * If the function has a prototype somewhere, you can also add * __init between closing brace of the prototype and semicolon: * * extern int initialize_foobar_device(int, int, int) __init; * * For initialized data: * You should insert __initdata between the variable name and equal * sign followed by value, e.g.: * * static int init_variable __initdata = 0; * static char linux_logo[] __initdata = { 0x32, 0x36, ... }; * * Don't forget to initialize data not at file scope, i.e. within a function, * as gcc otherwise puts the data into the bss section and not into the init * section. * * Also note, that this data cannot be "const". */ /* These are for everybody (although not all archs will actually discard it in modules) */ #define __init __attribute__ ((__section__ (".init.text"))) #define __initdata __attribute__ ((__section__ (".init.data"))) #define __exitdata __attribute__ ((__section__(".exit.data"))) #define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) #ifdef MODULE #define __exit __attribute__ ((__section__(".exit.text"))) #else #define __exit __attribute_used__ __attribute__ ((__section__(".exit.text"))) #endif /* For assembly routines */ #define __INIT .section ".init.text","ax" #define __FINIT .previous #define __INITDATA .section ".init.data","aw" #ifndef __ASSEMBLY__ /* * Used for initialization calls.. */ typedef int (*initcall_t)(void); typedef void (*exitcall_t)(void); extern initcall_t __con_initcall_start[], __con_initcall_end[]; extern initcall_t __security_initcall_start[], __security_initcall_end[]; /* Defined in init/main.c */ extern char saved_command_line[]; #endif #ifndef MODULE #ifndef __ASSEMBLY__ /* initcalls are now grouped by functionality into separate * subsections. Ordering inside the subsections is determined * by link order. * For backwards compatibility, initcall() puts the call in * the device init subsection. */ #define __define_initcall(level,fn) \ static initcall_t __initcall_##fn __attribute_used__ \ __attribute__((__section__(".initcall" level ".init"))) = fn #define core_initcall(fn) __define_initcall("1",fn) #define postcore_initcall(fn) __define_initcall("2",fn) #define arch_initcall(fn) __define_initcall("3",fn) #define subsys_initcall(fn) __define_initcall("4",fn) #define fs_initcall(fn) __define_initcall("5",fn) #define device_initcall(fn) __define_initcall("6",fn) #define late_initcall(fn) __define_initcall("7",fn) #define __initcall(fn) device_initcall(fn) #define __exitcall(fn) \ static exitcall_t __exitcall_##fn __exit_call = fn #define console_initcall(fn) \ static initcall_t __initcall_##fn \ __attribute_used__ __attribute__((__section__(".con_initcall.init")))=fn #define security_initcall(fn) \ static initcall_t __initcall_##fn \ __attribute_used__ __attribute__((__section__(".security_initcall.init"))) = fn struct obs_kernel_param { const char *str; int (*setup_func)(char *); int early; }; /* * Only for really core code. See moduleparam.h for the normal way. * * Force the alignment so the compiler doesn't space elements of the * obs_kernel_param "array" too far apart in .init.setup. */ #define __setup_param(str, unique_id, fn, early) \ static char __setup_str_##unique_id[] __initdata = str; \ static struct obs_kernel_param __setup_##unique_id \ __attribute_used__ \ __attribute__((__section__(".init.setup"))) \ __attribute__((aligned((sizeof(long))))) \ = { __setup_str_##unique_id, fn, early } #define __setup_null_param(str, unique_id) \ __setup_param(str, unique_id, NULL, 0) #define __setup(str, fn) \ __setup_param(str, fn, fn, 0) #define __obsolete_setup(str) \ __setup_null_param(str, __LINE__) /* NOTE: fn is as per module_param, not __setup! Emits warning if fn * returns non-zero. */ #define early_param(str, fn) \ __setup_param(str, fn, fn, 1) /* Relies on saved_command_line being set */ void __init parse_early_param(void); #endif /* __ASSEMBLY__ */ /** * module_init() - driver initialization entry point * @x: function to be run at kernel boot time or module insertion * * module_init() will either be called during do_initcalls (if * builtin) or at module insertion time (if a module). There can only * be one per module. */ #define module_init(x) __initcall(x); /** * module_exit() - driver exit entry point * @x: function to be run when driver is removed * * module_exit() will wrap the driver clean-up code * with cleanup_module() when used with rmmod when * the driver is a module. If the driver is statically * compiled into the kernel, module_exit() has no effect. * There can only be one per module. */ #define module_exit(x) __exitcall(x); #else /* MODULE */ /* Don't use these in modules, but some people do... */ #define core_initcall(fn) module_init(fn) #define postcore_initcall(fn) module_init(fn) #define arch_initcall(fn) module_init(fn) #define subsys_initcall(fn) module_init(fn) #define fs_initcall(fn) module_init(fn) #define device_initcall(fn) module_init(fn) #define late_initcall(fn) module_init(fn) #define security_initcall(fn) module_init(fn) /* These macros create a dummy inline: gcc 2.9x does not count alias as usage, hence the `unused function' warning when __init functions are declared static. We use the dummy __*_module_inline functions both to kill the warning and check the type of the init/cleanup function. */ /* Each module must use one module_init(), or one no_module_init */ #define module_init(initfn) \ static inline initcall_t __inittest(void) \ { return initfn; } \ int init_module(void) __attribute__((alias(#initfn))); /* This is only required if you want to be unloadable. */ #define module_exit(exitfn) \ static inline exitcall_t __exittest(void) \ { return exitfn; } \ void cleanup_module(void) __attribute__((alias(#exitfn))); #define __setup_param(str, unique_id, fn) /* nothing */ #define __setup_null_param(str, unique_id) /* nothing */ #define __setup(str, func) /* nothing */ #define __obsolete_setup(str) /* nothing */ #endif /* Data marked not to be saved by software_suspend() */ #define __nosavedata __attribute__ ((__section__ (".data.nosave"))) /* This means "can be init if no module support, otherwise module load may call it." */ #ifdef CONFIG_MODULES #define __init_or_module #define __initdata_or_module #else #define __init_or_module __init #define __initdata_or_module __initdata #endif /*CONFIG_MODULES*/ #ifdef CONFIG_HOTPLUG #define __devinit #define __devinitdata #define __devexit #define __devexitdata #else #define __devinit __init #define __devinitdata __initdata #define __devexit __exit #define __devexitdata __exitdata #endif #ifdef CONFIG_HOTPLUG_CPU #define __cpuinit #define __cpuinitdata #define __cpuexit #define __cpuexitdata #else #define __cpuinit __init #define __cpuinitdata __initdata #define __cpuexit __exit #define __cpuexitdata __exitdata #endif #ifdef CONFIG_MEMORY_HOTPLUG #define __meminit #define __meminitdata #define __memexit #define __memexitdata #else #define __meminit __init #define __meminitdata __initdata #define __memexit __exit #define __memexitdata __exitdata #endif /* Functions marked as __devexit may be discarded at kernel link time, depending on config options. Newer versions of binutils detect references from retained sections to discarded sections and flag an error. Pointers to __devexit functions must use __devexit_p(function_name), the wrapper will insert either the function_name or NULL, depending on the config options. */ #if defined(MODULE) || defined(CONFIG_HOTPLUG) #define __devexit_p(x) x #else #define __devexit_p(x) NULL #endif #ifdef MODULE #define __exit_p(x) x #else #define __exit_p(x) NULL #endif #endif /* _LINUX_INIT_H */