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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:26:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:26:03 +0000
commit9918693037dce8aa4bb6f08741b6812923486c18 (patch)
tree21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /vendor/nix/src/sys/eventfd.rs
parentReleasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff)
downloadrustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz
rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/nix/src/sys/eventfd.rs')
-rw-r--r--vendor/nix/src/sys/eventfd.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/vendor/nix/src/sys/eventfd.rs b/vendor/nix/src/sys/eventfd.rs
new file mode 100644
index 000000000..f1723519c
--- /dev/null
+++ b/vendor/nix/src/sys/eventfd.rs
@@ -0,0 +1,17 @@
+use crate::errno::Errno;
+use crate::Result;
+use std::os::unix::io::{FromRawFd, OwnedFd};
+
+libc_bitflags! {
+ pub struct EfdFlags: libc::c_int {
+ EFD_CLOEXEC; // Since Linux 2.6.27
+ EFD_NONBLOCK; // Since Linux 2.6.27
+ EFD_SEMAPHORE; // Since Linux 2.6.30
+ }
+}
+
+pub fn eventfd(initval: libc::c_uint, flags: EfdFlags) -> Result<OwnedFd> {
+ let res = unsafe { libc::eventfd(initval, flags.bits()) };
+
+ Errno::result(res).map(|r| unsafe { OwnedFd::from_raw_fd(r) })
+}