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//go:build unix && !tinygo
package sysfs
import (
"syscall"
"github.com/tetratelabs/wazero/experimental/sys"
)
const (
nonBlockingFileReadSupported = true
nonBlockingFileWriteSupported = true
)
func rmdir(path string) sys.Errno {
err := syscall.Rmdir(path)
return sys.UnwrapOSError(err)
}
// readFd exposes syscall.Read.
func readFd(fd uintptr, buf []byte) (int, sys.Errno) {
if len(buf) == 0 {
return 0, 0 // Short-circuit 0-len reads.
}
n, err := syscall.Read(int(fd), buf)
errno := sys.UnwrapOSError(err)
return n, errno
}
// writeFd exposes syscall.Write.
func writeFd(fd uintptr, buf []byte) (int, sys.Errno) {
if len(buf) == 0 {
return 0, 0 // Short-circuit 0-len writes.
}
n, err := syscall.Write(int(fd), buf)
errno := sys.UnwrapOSError(err)
return n, errno
}
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