diff options
Diffstat (limited to 'src/internal/syscall/unix/nonblocking.go')
| -rw-r--r-- | src/internal/syscall/unix/nonblocking.go | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/internal/syscall/unix/nonblocking.go b/src/internal/syscall/unix/nonblocking.go index 818e9c91a5..1db3394432 100644 --- a/src/internal/syscall/unix/nonblocking.go +++ b/src/internal/syscall/unix/nonblocking.go @@ -6,18 +6,12 @@ package unix -import ( - "syscall" - _ "unsafe" // for go:linkname -) - -//go:linkname syscall_fcntl syscall.fcntl -func syscall_fcntl(fd int, cmd int, arg int) (val int, err error) +import "syscall" func IsNonblock(fd int) (nonblocking bool, err error) { - flag, err := syscall_fcntl(fd, syscall.F_GETFL, 0) - if err != nil { - return false, err + flag, _, e1 := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fd), uintptr(syscall.F_GETFL), 0) + if e1 != 0 { + return false, e1 } return flag&syscall.O_NONBLOCK != 0, nil } |