ae0b4090ce
This commit implements an initial WASI C API that can be used to instantiate and configure a WASI instance from C. This also implements a `WasiBuilder` for the C# API enabling .NET hosts to bind to Wasmtime's WASI implementation.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
// WASI C API
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#ifndef WASI_H
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#define WASI_H
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#include "wasm.h"
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#ifndef WASI_API_EXTERN
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#ifdef _WIN32
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#define WASI_API_EXTERN __declspec(dllimport)
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#else
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#define WASI_API_EXTERN
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define own
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#define WASI_DECLARE_OWN(name) \
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typedef struct wasi_##name##_t wasi_##name##_t; \
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WASI_API_EXTERN void wasi_##name##_delete(own wasi_##name##_t*);
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// WASI config
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WASI_DECLARE_OWN(config)
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WASI_API_EXTERN own wasi_config_t* wasi_config_new();
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WASI_API_EXTERN void wasi_config_set_argv(wasi_config_t* config, int argc, const char* argv[]);
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WASI_API_EXTERN void wasi_config_inherit_argv(wasi_config_t* config);
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WASI_API_EXTERN void wasi_config_set_env(wasi_config_t* config, int envc, const char* names[], const char* values[]);
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WASI_API_EXTERN void wasi_config_inherit_env(wasi_config_t* config);
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WASI_API_EXTERN bool wasi_config_set_stdin(wasi_config_t* config, const char* path);
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WASI_API_EXTERN void wasi_config_inherit_stdin(wasi_config_t* config);
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WASI_API_EXTERN bool wasi_config_set_stdout(wasi_config_t* config, const char* path);
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WASI_API_EXTERN void wasi_config_inherit_stdout(wasi_config_t* config);
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WASI_API_EXTERN bool wasi_config_set_stderr(wasi_config_t* config, const char* path);
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WASI_API_EXTERN void wasi_config_inherit_stderr(wasi_config_t* config);
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WASI_API_EXTERN bool wasi_config_preopen_dir(wasi_config_t* config, const char* path, const char* guest_path);
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// WASI instance
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WASI_DECLARE_OWN(instance)
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WASI_API_EXTERN own wasi_instance_t* wasi_instance_new(
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wasm_store_t* store,
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own wasi_config_t* config,
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own wasm_trap_t** trap
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);
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WASI_API_EXTERN const wasm_extern_t* wasi_instance_bind_import(
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const wasi_instance_t* instance,
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const wasm_importtype_t* import
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);
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#undef own
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // #ifdef WASI_H
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