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rollup merge of #20652: vhbit/thread-key-type 

This is a manual merge of #20627 and #20634 to avoid conflicts in rollup and also avoid one roundtrip. I've leave copyright to original author.  If this one is moved to rollup original PR could be closed. cc @mneumann

@alexcrichton r?

Both FreeBSD and DragonFly define pthread_key_t as int, while Linux
defines it as uint. As pthread_key_t is used as an opaque type and
storage size of both int and uint are the same, this is rather a
cosmetic change.

iOS uses ulong (as OS X) so difference is critical on 64bit platforms.
This commit is contained in:
Alex Crichton 2015-01-06 15:29:17 -08:00
parent acc5d7914a 134eb0e26f
commit ed61bd8693
1 changed files with 10 additions and 2 deletions
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12
src/libstd/sys/unix/thread_local.rs
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@ -37,10 +37,18 @@ pub unsafe fn destroy(key: Key) {
debug_assert_eq!(r, 0);
}
#[cfg(target_os = "macos")]
#[cfg(any(target_os = "macos",
target_os = "ios"))]
type pthread_key_t = ::libc::c_ulong;
#[cfg(not(target_os = "macos"))]
#[cfg(any(target_os = "freebsd",
target_os = "dragonfly"))]
type pthread_key_t = ::libc::c_int;
#[cfg(not(any(target_os = "macos",
target_os = "ios",
target_os = "freebsd",
target_os = "dragonfly")))]
type pthread_key_t = ::libc::c_uint;
extern {