2025년 3월 27일부터 AOSP를 빌드하고 기여하려면 aosp-main
대신 android-latest-release
를 사용하는 것이 좋습니다. 자세한 내용은 AOSP 변경사항을 참고하세요.
컬렉션을 사용해 정리하기
내 환경설정을 기준으로 콘텐츠를 저장하고 분류하세요.
context_hub_module_t 구조체 참조
#include <
context_hub.h
>
모든 하드웨어 모듈에는 HAL_MODULE_INFO_SYM이라는 데이터 구조가 있어야 하며 이 데이터 구조의 필드는
hw_module_t
로 시작하고 그 뒤에 모듈별 정보가 나와야 합니다.
context_hub.h
파일의
391
행에 정의가 있습니다.
사용 가능한 모든 허브를 열거합니다.목록은 'list'로 반환됩니다.
-
반환 값
-
결과 : 목록의 허브 수 또는 오류 (음수)
이 메서드는 기기 부팅 시 호출되어야 합니다.
context_hub.h
FILE의
400
행에 정의가 있습니다.
int(* send_message)(uint32_t hub_id, const struct
hub_message_t
*msg)
|
HAL 구현이 컨텍스트 허브 서비스와 통신할 콜백을 등록합니다.
-
반환 값
-
결과 : 성공하면 0, 실패하면 오류 코드
context_hub.h
FILE의
407
행에 정의가 있습니다.
이 구조체에 관한 문서는 다음 파일에서 생성되었습니다.
이 페이지에 나와 있는 콘텐츠와 코드 샘플에는 콘텐츠 라이선스에서 설명하는 라이선스가 적용됩니다. 자바 및 OpenJDK는 Oracle 및 Oracle 계열사의 상표 또는 등록 상표입니다.
최종 업데이트: 2025-07-27(UTC)
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["필요한 정보가 없음","missingTheInformationINeed","thumb-down"],["너무 복잡함/단계 수가 너무 많음","tooComplicatedTooManySteps","thumb-down"],["오래됨","outOfDate","thumb-down"],["번역 문제","translationIssue","thumb-down"],["샘플/코드 문제","samplesCodeIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-07-27(UTC)"],[],[],null,["# Android Hardware Abstraction Layer: context_hub_module_t Struct Reference\n\ncontext_hub_module_t Struct Reference\n=====================================\n\n[Data Fields](#pub-attribs) \ncontext_hub_module_t Struct Reference \n\n`\n#include \u003c\n`[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)`\n\u003e\n`\n\n|----------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| struct [hw_module_t](/reference/hal/structhw__module__t) | [common](/reference/hal/structcontext__hub__module__t#a71ea01183b3998cad6a2301a37a42fc7) |\n| ||\n| int(\\* | [get_hubs](/reference/hal/structcontext__hub__module__t#a460328b43bbf62fd021541b547ea05b7) )(struct [context_hub_module_t](/reference/hal/structcontext__hub__module__t) \\*module, const struct [context_hub_t](/reference/hal/structcontext__hub__t) \\*\\*list) |\n| ||\n| int(\\* | [subscribe_messages](/reference/hal/structcontext__hub__module__t#a5a4c5caaa184e7918c86c847dfd507ff) )(uint32_t hub_id, [context_hub_callback](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h) cbk, void \\*cookie) |\n| ||\n| int(\\* | [send_message](/reference/hal/structcontext__hub__module__t#a8ad344fdd7d209b19bff76be0fedca8a) )(uint32_t hub_id, const struct [hub_message_t](/reference/hal/structhub__message__t) \\*msg) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nEvery hardware module must have a data structure named HAL_MODULE_INFO_SYM and the fields of this data structure must begin with\n[hw_module_t](/reference/hal/structhw__module__t)\nfollowed by module specific information.\n\n\nDefinition at line\n[391](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\nof file\n[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\n.\n\nField Documentation\n-------------------\n\n\n|-----------------------------------------------------------------|\n| struct [hw_module_t](/reference/hal/structhw__module__t) common |\n\n\nDefinition at line\n[392](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\nof file\n[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\n.\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| int(\\* get_hubs)(struct [context_hub_module_t](/reference/hal/structcontext__hub__module__t) \\*module, const struct [context_hub_t](/reference/hal/structcontext__hub__t) \\*\\*list) |\n\n\nEnumerate all available hubs.The list is returned in \"list\".\n\n\nReturns\n:\n result : number of hubs in list or error (negative)\n\n\nThis method shall be called at device bootup.\n\n\nDefinition at line\n[400](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\nof file\n[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\n.\n\n|-----------------------------------------------------------------------------------------------------------------|\n| int(\\* send_message)(uint32_t hub_id, const struct [hub_message_t](/reference/hal/structhub__message__t) \\*msg) |\n\n\nSend a message to a hub\n\n\nReturns\n:\n result : 0 if successful, error code otherwise\n\n\nDefinition at line\n[413](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\nof file\n[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\n.\n\n|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| int(\\* subscribe_messages)(uint32_t hub_id, [context_hub_callback](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h) cbk, void \\*cookie) |\n\n\nRegisters a callback for the HAL implementation to communicate with the context hub service.\n\n\nReturns\n:\n result : 0 if successful, error code otherwise\n\n\nDefinition at line\n[407](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\nof file\n[context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [context_hub.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/context_hub.h)"]]