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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/alios/platform_internal.h
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@ -64,4 +64,8 @@ int signbit(double x);
int isnan(double x);
/* clang-format on */
typedef int os_file_handle;
typedef DIR *os_dir_stream;
typedef int os_raw_file_handle;
#endif /* end of _BH_PLATFORM_H */