Source file misc/cgo/testtls/tls.go
1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package cgotlstest 6 7 // #include <pthread.h> 8 // extern void setTLS(int); 9 // extern int getTLS(); 10 import "C" 11 12 import ( 13 "runtime" 14 "testing" 15 ) 16 17 func testTLS(t *testing.T) { 18 runtime.LockOSThread() 19 defer runtime.UnlockOSThread() 20 21 if val := C.getTLS(); val != 0 { 22 t.Fatalf("at start, C.getTLS() = %#x, want 0", val) 23 } 24 25 const keyVal = 0x1234 26 C.setTLS(keyVal) 27 if val := C.getTLS(); val != keyVal { 28 t.Fatalf("at end, C.getTLS() = %#x, want %#x", val, keyVal) 29 } 30 } 31