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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /library/std/src/sys/sgx/thread_parking.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/sys/sgx/thread_parking.rs')
-rw-r--r-- | library/std/src/sys/sgx/thread_parking.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/library/std/src/sys/sgx/thread_parking.rs b/library/std/src/sys/sgx/thread_parking.rs new file mode 100644 index 000000000..0006cd4f1 --- /dev/null +++ b/library/std/src/sys/sgx/thread_parking.rs @@ -0,0 +1,23 @@ +use super::abi::usercalls; +use crate::io::ErrorKind; +use crate::time::Duration; +use fortanix_sgx_abi::{EV_UNPARK, WAIT_INDEFINITE}; + +pub type ThreadId = fortanix_sgx_abi::Tcs; + +pub use super::abi::thread::current; + +pub fn park(_hint: usize) { + usercalls::wait(EV_UNPARK, WAIT_INDEFINITE).unwrap(); +} + +pub fn park_timeout(dur: Duration, _hint: usize) { + let timeout = u128::min(dur.as_nanos(), WAIT_INDEFINITE as u128 - 1) as u64; + if let Err(e) = usercalls::wait(EV_UNPARK, timeout) { + assert!(matches!(e.kind(), ErrorKind::TimedOut | ErrorKind::WouldBlock)) + } +} + +pub fn unpark(tid: ThreadId, _hint: usize) { + let _ = usercalls::send(EV_UNPARK, Some(tid)); +} |