Use NOCANCEL variants for close on Mac

The default  on OS X does not provide clear errors,
instead the NOCANCEL variants should be used. These are available
as of OS X 10.6 onwards.
This commit is contained in:
Bryant Mairs 2017-05-18 10:06:36 -07:00
parent a285387a9e
commit 9b9f36aefc
2 changed files with 7 additions and 2 deletions

View File

@ -500,7 +500,7 @@ fn main() {
"backtrace" |
"sysinfo" | "newlocale" | "duplocale" | "freelocale" | "uselocale" |
"nl_langinfo_l" | "wcslen" | "wcstombs" if uclibc => true,
// Apparently res_init exists on Android, but isn't defined in a header:
// https://mail.gnome.org/archives/commits-list/2013-May/msg01329.html
"res_init" if android => true,
@ -511,6 +511,9 @@ fn main() {
// https://github.com/rust-lang/libc/pull/585#discussion_r114561460
"res_init" if apple => true,
// On Mac we don't use the default `close()`, instead using their $NOCANCEL variants.
"close" if apple => true,
_ => false,
}
});

View File

@ -405,7 +405,9 @@ extern {
pub fn lchown(path: *const c_char, uid: uid_t,
gid: gid_t) -> ::c_int;
#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
link_name = "close$UNIX2003")]
link_name = "close$NOCANCEL$UNIX2003")]
#[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
link_name = "close$NOCANCEL")]
pub fn close(fd: ::c_int) -> ::c_int;
pub fn dup(fd: ::c_int) -> ::c_int;
pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;