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c-api: support disabling mach ports use on macos #7595

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Nov 28, 2023
Merged

c-api: support disabling mach ports use on macos #7595

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11 changes: 11 additions & 0 deletions crates/c-api/include/wasmtime/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -367,6 +367,17 @@ WASM_API_EXTERN void wasmtime_config_cranelift_flag_enable(wasm_config_t*, const
*/
WASM_API_EXTERN void wasmtime_config_cranelift_flag_set(wasm_config_t*, const char *key, const char *value);

/**
* \brief Configures whether, when on macOS, Mach ports are used for exception handling
* instead of traditional Unix-based signal handling.
*
* This option defaults to true, using Mach ports by default.
*
* For more information see the Rust documentation at
* https://docs.wasmtime.dev/api/wasmtime/struct.Config.html#method.macos_use_mach_ports
*/
WASMTIME_CONFIG_PROP(void, macos_use_mach_ports, bool)


/**
* Return the data from a LinearMemory instance.
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5 changes: 5 additions & 0 deletions crates/c-api/src/config.rs
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Expand Up @@ -240,6 +240,11 @@ pub unsafe extern "C" fn wasmtime_config_target_set(
handle_result(c.config.target(target), |_cfg| {})
}

#[no_mangle]
pub extern "C" fn wasmtime_config_macos_use_mach_ports_set(c: &mut wasm_config_t, enabled: bool) {
c.config.macos_use_mach_ports(enabled);
}

#[no_mangle]
pub unsafe extern "C" fn wasmtime_config_cranelift_flag_enable(
c: &mut wasm_config_t,
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