32 lines
610 B
Go
32 lines
610 B
Go
package main
|
|
|
|
import (
|
|
"io"
|
|
"os"
|
|
"sync"
|
|
"unsafe"
|
|
|
|
llsync "github.com/goplus/llgo/c/pthread/sync"
|
|
)
|
|
|
|
type L struct {
|
|
mu sync.Mutex
|
|
s string
|
|
i int
|
|
w io.Writer
|
|
}
|
|
|
|
func main() {
|
|
l := &L{s: "hello", i: 123, w: os.Stdout}
|
|
println("sizeof(L):", unsafe.Sizeof(L{}))
|
|
println("sizeof(sync.Mutex):", unsafe.Sizeof(sync.Mutex{}))
|
|
println("sizeof(llsync.Mutex):", unsafe.Sizeof(llsync.Mutex{}))
|
|
println("l:", l, "l.s:", l.s, "l.i:", l.i, "l.w:", l.w)
|
|
l.mu.Lock()
|
|
println("locked")
|
|
println("l:", l, "l.s:", l.s, "l.i:", l.i, "l.w:", l.w)
|
|
l.w.Write([]byte(l.s))
|
|
l.w.Write([]byte("\n"))
|
|
l.mu.Unlock()
|
|
}
|