1 // Copyright 2011 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 #include <sys/types.h> 6 #include <unistd.h> 7 #include "_cgo_export.h" 8 9 void 10 callback(void *f) 11 { 12 // use some stack space 13 volatile char data[64*1024]; 14 15 data[0] = 0; 16 goCallback(f); 17 data[sizeof(data)-1] = 0; 18 } 19 20 void 21 callGoFoo(void) 22 { 23 extern void goFoo(void); 24 goFoo(); 25 } 26 27 void 28 IntoC(void) 29 { 30 BackIntoGo(); 31 } 32 33 #ifdef WIN32 34 #include <windows.h> 35 long long 36 mysleep(int seconds) { 37 long long st = GetTickCount(); 38 sleep(seconds); 39 return st; 40 } 41 #else 42 #include <sys/time.h> 43 long long 44 mysleep(int seconds) { 45 long long st; 46 struct timeval tv; 47 gettimeofday(&tv, NULL); 48 st = tv.tv_sec * 1000 + tv.tv_usec / 1000; 49 sleep(seconds); 50 return st; 51 } 52 #endif 53 54 long long 55 twoSleep(int n) 56 { 57 BackgroundSleep(n); 58 return mysleep(n); 59 } 60 61 void 62 callGoStackCheck(void) 63 { 64 extern void goStackCheck(void); 65 goStackCheck(); 66 } 67 68 int 69 returnAfterGrow(void) 70 { 71 extern int goReturnVal(void); 72 goReturnVal(); 73 return 123456; 74 } 75 76 int 77 returnAfterGrowFromGo(void) 78 { 79 extern int goReturnVal(void); 80 return goReturnVal(); 81 } 82 83
