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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
product-mini/platforms/nuttx/wamr.mk
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@ -246,8 +246,11 @@ ifeq ($(CONFIG_INTERPRETERS_WAMR_LIBC_WASI),y)
CFLAGS += -DWASM_ENABLE_LIBC_WASI=1
CFLAGS += -I$(IWASM_ROOT)/libraries/libc-wasi/sandboxed-system-primitives/src
CFLAGS += -I$(IWASM_ROOT)/libraries/libc-wasi/sandboxed-system-primitives/include
CFLAGS += -I${SHARED_ROOT}/platform/common/libc-util
CSRCS += blocking_op.c
CSRCS += posix_socket.c
CSRCS += posix_file.c
CSRCS += libc_errno.c
CSRCS += libc_wasi_wrapper.c
VPATH += $(IWASM_ROOT)/libraries/libc-wasi
CSRCS += posix.c
@ -387,6 +390,7 @@ ASRCS += $(INVOKE_NATIVE)
VPATH += $(SHARED_ROOT)/platform/nuttx
VPATH += $(SHARED_ROOT)/platform/common/posix
VPATH += $(SHARED_ROOT)/platform/common/libc-util
VPATH += $(SHARED_ROOT)/mem-alloc
VPATH += $(SHARED_ROOT)/mem-alloc/ems
VPATH += $(SHARED_ROOT)/utils