29e1a3b55b
A module can now define modules it depends on, and they will be automatically loaded before B_MODULE_INIT is called. This information will also be evaluated by the boot loader, so that it can load all needed modules without further hacks. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7316 a95241bf-73f2-0310-859d-f6bbb57e9c96
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/* Modules Definitions
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**
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** Distributed under the terms of the OpenBeOS License.
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*/
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#ifndef _MODULE_H
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#define _MODULE_H
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#include <OS.h>
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/* Every module exports a list of module_info structures.
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* It defines the interface of the module and the name
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* that is used to access the interface.
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*/
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typedef struct module_info {
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const char *name;
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uint32 flags;
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status_t (*std_ops)(int32, ...);
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} module_info;
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/* module standard operations */
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#define B_MODULE_INIT 1
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#define B_MODULE_UNINIT 2
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/* module flags */
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#define B_KEEP_LOADED 0x00000001
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/* Use the module_dependency structure to let the
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* kernel automatically load modules yet depend on
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* before B_MODULE_INIT is called.
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*/
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typedef struct module_dependency {
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const char *name;
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module_info **info;
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} module_dependency;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern status_t get_module(const char *path, module_info **_info);
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extern status_t put_module(const char *path);
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extern status_t get_next_loaded_module_name(uint32 *cookie, char *buffer, size_t *_bufferSize);
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extern void *open_module_list(const char *prefix);
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extern status_t close_module_list(void *cookie);
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extern status_t read_next_module_name(void *cookie, char *buffer, size_t *_bufferSize);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _MODULE_H */
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