| char* fxCStackLimit() |
| { |
| #if mxWindows |
| ULONG_PTR low, high; |
| GetCurrentThreadStackLimits(&low, &high); |
| return (char*)low + (32 * 1024); |
| #elif mxMacOSX |
| pthread_t self = pthread_self(); |
| void* stackAddr = pthread_get_stackaddr_np(self); |
| size_t stackSize = pthread_get_stacksize_np(self); |
| return (char*)stackAddr - stackSize + (8 * 1024); |
| #elif mxLinux |
| pthread_attr_t attrs; |
| if (pthread_getattr_np(pthread_self(), &attrs) == 0) { |
| void* stackAddr; |
| size_t stackSize; |
| if (pthread_attr_getstack(&attrs, &stackAddr, &stackSize) == 0) { |
| return (char*)stackAddr + (4 * 1024); |
| } |
| } |
| return C_NULL; |
| #else |
| return C_NULL; |
| #endif |
| } |