wasmtime::WasiConfig Class Reference

Configuration for an instance of WASI. More...

#include <wasmtime.hh>

Public Member Functions
	WasiConfig ()
	Creates a new configuration object with default settings.
void	argv (const std::vector< std::string > &args)
	Configures the argv explicitly with the given string array.
void	inherit_argv ()
	Configures the argv for wasm to be inherited from this process itself.
void	env (const std::vector< std::pair< std::string, std::string > > &env)
void	inherit_env ()
bool	stdin_file (const std::string &path)
void	inherit_stdin ()
bool	stdout_file (const std::string &path)
void	inherit_stdout ()
bool	stderr_file (const std::string &path)
void	inherit_stderr ()
bool	preopen_dir (const std::string &path, const std::string &guest_path, size_t dir_perms, size_t file_perms)
	Opens path to be opened as guest_path in the WASI pseudo-filesystem.

Detailed Description

Configuration for an instance of WASI.

This is inserted into a store with Store::Context::set_wasi.

Examples

linking.cc.

Member Function Documentation

env()

void wasmtime::WasiConfig::env ( const std::vector< std::pair< std::string, std::string > > &  env )

inline

Configures the environment variables available to wasm, specified here as a list of pairs where the first element of the pair is the key and the second element is the value.

inherit_env()

void wasmtime::WasiConfig::inherit_env ( )

inline

Indicates that the entire environment of this process should be inherited by the wasi configuration.

Examples

linking.cc.

inherit_stderr()

void wasmtime::WasiConfig::inherit_stderr ( )

inline

Configures this WASI configuration to inherit its stdout from the host process.

Examples

linking.cc.

inherit_stdin()

void wasmtime::WasiConfig::inherit_stdin ( )

inline

Configures this WASI configuration to inherit its stdin from the host process.

Examples

linking.cc.

inherit_stdout()

void wasmtime::WasiConfig::inherit_stdout ( )

inline

Configures this WASI configuration to inherit its stdout from the host process.

Examples

linking.cc.

stderr_file()

bool wasmtime::WasiConfig::stderr_file ( const std::string &  path )

inline

Configures the provided file to be created and all stderr output will be written there.

stdin_file()

bool wasmtime::WasiConfig::stdin_file ( const std::string &  path )

inline

Configures the provided file to be used for the stdin of this WASI configuration.

stdout_file()

bool wasmtime::WasiConfig::stdout_file ( const std::string &  path )

inline

Configures the provided file to be created and all stdout output will be written there.

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The documentation for this class was generated from the following file:

• include/wasmtime.hh