| #ifndef COR_PLATFORM_H |
| #define COR_PLATFORM_H |
| // platform specific parts collected together |
| #include <stdbool.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| #include <errno.h> |
|
| // inspired by CPython to achieve platform indenpendence for thread local variables |
| #ifdef thread_local |
| #define _Cor_thread_local thread_local |
| #elif __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__) |
| #define _Cor_thread_local _Thread_local |
| #elif defined(_MSC_VER) /* AKA NT_THREADS */ |
| #define _Cor_thread_local __declspec(thread) |
| #elif defined(__GNUC__) /* includes clang */ |
| #define _Cor_thread_local __thread |
| #else |
| #define _Cor_thread_local |
| #endif |
|
| // malloc & free... |
| static inline void * |
| _Cor_Malloc(size_t size){ |
| return malloc(size); |
| } |
|
| static inline void |
| _Cor_Free(void *ptr){ |
| free(ptr); |
| } |
| // ...malloc & free |
|
| // see CPython again, this time in ctypes.h |
| #define COROUTINE_HAVE_ALLOCA_H 1 |
|
| // Non-reentrant Mutexes |
| typedef struct _Cor_Mutex { |
| pthread_mutex_t mut; |
| } _Cor_Mutex; |
|
| extern void _Cor_Mutex_ctor(_Cor_Mutex *); |
| extern void _Cor_Mutex_dtor(_Cor_Mutex *); |
| extern void _Cor_Mutex_Lock(_Cor_Mutex *); |
| extern void _Cor_Mutex_Unlock(_Cor_Mutex *); |
|
| // The 'now' to use for _Cor_Semaphore_Wait, in ns. |
| extern int64_t _Cor_Realtime_Now(); |
|
| typedef struct _Cor_Semaphore { |
| pthread_mutex_t mut; |
| pthread_cond_t cond; |
| unsigned count; |
| } _Cor_Semaphore; |
|
| extern void _Cor_Semaphore_ctor(_Cor_Semaphore *sem); |
| extern void _Cor_Sempahore_dtor(_Cor_Semaphore *sem); |
|
| // timeout_when < 0 means 'wait forever' |
| // Returns true for success, false for timeout |
| extern bool _Cor_Semaphore_Wait(_Cor_Semaphore *sem, int64_t timeout_when); |
|
| extern void _Cor_Semaphore_Signal(_Cor_Semaphore *sem); |
|
| typedef struct _Cor_Thread { |
| pthread_t th; |
| bool joined; |
| } _Cor_Thread; |
|
| extern void _Cor_Thread_ctor(_Cor_Thread *, void *(*)(void *), void *); |
| extern void _Cor_Thread_dtor(_Cor_Thread *); |
| extern void *_Cor_Thread_Join(_Cor_Thread *); |
|
| #endif |
|
jonroach