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Rework the exit failure and success declaration for wasm32

This commit is contained in:
Bastian Köcher 2017-12-23 00:47:25 +01:00
parent f972f529b2
commit dbbba55382
1 changed files with 14 additions and 4 deletions
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18
src/libstd/termination.rs
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@ -9,7 +9,17 @@
// except according to those terms.
use error::Error;
use libc;
#[cfg(target_arch = "wasm32")]
mod exit {
pub const SUCCESS: i32 = 0;
pub const FAILURE: i32 = 1;
}
#[cfg(not(target_arch = "wasm32"))]
mod exit {
use libc;
pub const SUCCESS: i32 = libc::EXIT_SUCCESS;
pub const FAILURE: i32 = libc::EXIT_FAILURE;
}
/// A trait for implementing arbitrary return types in the `main` function.
///
@ -31,7 +41,7 @@ pub trait Termination {
#[unstable(feature = "termination_trait", issue = "43301")]
impl Termination for () {
fn report(self) -> i32 { libc::EXIT_SUCCESS }
fn report(self) -> i32 { exit::SUCCESS }
}
#[unstable(feature = "termination_trait", issue = "43301")]
@ -41,7 +51,7 @@ impl<T: Termination, E: Error> Termination for Result<T, E> {
Ok(val) => val.report(),
Err(err) => {
print_error(err);
libc::EXIT_FAILURE
exit::FAILURE
}
}
}
@ -64,7 +74,7 @@ impl Termination for ! {
#[unstable(feature = "termination_trait", issue = "43301")]
impl Termination for bool {
fn report(self) -> i32 {
if self { libc::EXIT_SUCCESS } else { libc::EXIT_FAILURE }
if self { exit::SUCCESS } else { exit::FAILURE }
}
}