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| author | Christiaan Dirkx <christiaan@dirkx.email> | 2021-04-18 07:19:39 +0200 |
|---|---|---|
| committer | Christiaan Dirkx <christiaan@dirkx.email> | 2021-04-22 18:00:18 +0200 |
| commit | e1b1081d2ff80f49129da2002ce3f5efa6186825 (patch) | |
| tree | dcc0b789e324332e48071fe55131a9d62e6ec03f /library/std/src/sys/unsupported | |
| parent | 8aeea227daf4a78761c41bb32321e8b2e505d27e (diff) | |
| download | rust-e1b1081d2ff80f49129da2002ce3f5efa6186825.tar.gz rust-e1b1081d2ff80f49129da2002ce3f5efa6186825.zip | |
Document that `init` and `cleanup` are not guaranteed to run
Diffstat (limited to 'library/std/src/sys/unsupported')
| -rw-r--r-- | library/std/src/sys/unsupported/common.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/std/src/sys/unsupported/common.rs b/library/std/src/sys/unsupported/common.rs index c60c2a9b8e8..6e72a7c632e 100644 --- a/library/std/src/sys/unsupported/common.rs +++ b/library/std/src/sys/unsupported/common.rs @@ -11,9 +11,11 @@ pub use crate::sys_common::os_str_bytes as os_str; use crate::os::raw::c_char; // SAFETY: must be called only once during runtime initialization. +// NOTE: this is not guaranteed to run, for example when Rust code is called externally. pub unsafe fn init(_argc: isize, _argv: *const *const u8) {} // SAFETY: must be called only once during runtime cleanup. +// NOTE: this is not guaranteed to run, for example when the program aborts. pub unsafe fn cleanup() {} pub fn unsupported<T>() -> std_io::Result<T> { |