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Abstract POSIX filesystem functions (#2585)

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To allow non-POSIX platforms such as Windows to support WASI libc
filesystem functionality, create a set of wrapper functions which provide a
platform-agnostic interface to interact with the host filesystem. For now,
the Windows implementation is stubbed but this will be implemented
properly in a future PR. There are no functional changes in this change,
just a reorganization of code to move any direct POSIX references out of
posix.c in the libc implementation into posix_file.c under the shared
POSIX sources.

See https://github.com/bytecodealliance/wasm-micro-runtime/issues/2495 for a
more detailed overview of the plan to port the WASI libc filesystem to Windows.
This commit is contained in:
zoraaver
2023-10-19 12:19:39 +01:00
committed by GitHub
parent 5fd530610a
commit fa5e9d72b0
40 changed files with 3805 additions and 2566 deletions
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4
core/shared/platform/nuttx/platform_internal.h
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@ -130,6 +130,10 @@ fdopendir(int fd);
void
os_set_signal_number_for_blocking_op(int signo);
typedef int os_file_handle;
typedef DIR *os_dir_stream;
typedef int os_raw_file_handle;
#ifdef __cplusplus
}
#endif

6
core/shared/platform/nuttx/shared_platform.cmake
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@ -10,5 +10,11 @@ include_directories(${PLATFORM_SHARED_DIR}/../include)
file (GLOB_RECURSE source_all ${PLATFORM_SHARED_DIR}/*.c)
if (WAMR_BUILD_LIBC_WASI EQUAL 1)
list(APPEND source_all ${PLATFORM_SHARED_DIR}/../common/posix/posix_file.c)
include (${CMAKE_CURRENT_LIST_DIR}/../common/libc-util/platform_common_libc_util.cmake)
set(source_all ${source_all} ${PLATFORM_COMMON_LIBC_UTIL_SOURCE})
endif ()
set (PLATFORM_SHARED_SOURCE ${source_all} ${PLATFORM_COMMON_MATH_SOURCE})