diff options
| author | Andy Pan <panjf2000@gmail.com> | 2024-02-02 11:22:57 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-02-20 14:59:49 +0000 |
| commit | d068c2cb620c1daeedc8b9cce488af45a6c2c889 (patch) | |
| tree | 5753e3ea0028adaa934cb32f2be479f3f6e2cd53 /src/runtime/internal/syscall/syscall_linux.go | |
| parent | c4d55ab91260ca2d538fcf3dadbccc1d1c111c96 (diff) | |
| download | go-d068c2cb620c1daeedc8b9cce488af45a6c2c889.tar.xz | |
runtime: use eventfd as the event wait/notify mechanism for epoll
Fixes #65443
Change-Id: I9ad4689b36e87ee930d35a38322a8797896483b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/560615
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Jorropo <jorropo.pgm@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Diffstat (limited to 'src/runtime/internal/syscall/syscall_linux.go')
| -rw-r--r-- | src/runtime/internal/syscall/syscall_linux.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/internal/syscall/syscall_linux.go b/src/runtime/internal/syscall/syscall_linux.go index 7209634edb..cb88659394 100644 --- a/src/runtime/internal/syscall/syscall_linux.go +++ b/src/runtime/internal/syscall/syscall_linux.go @@ -60,3 +60,8 @@ func EpollCtl(epfd, op, fd int32, event *EpollEvent) (errno uintptr) { _, _, e := Syscall6(SYS_EPOLL_CTL, uintptr(epfd), uintptr(op), uintptr(fd), uintptr(unsafe.Pointer(event)), 0, 0) return e } + +func Eventfd(initval, flags int32) (fd int32, errno uintptr) { + r1, _, e := Syscall6(SYS_EVENTFD2, uintptr(initval), uintptr(flags), 0, 0, 0, 0) + return int32(r1), e +} |