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Remove need for malloc by Coroutine, and add Coroutine_Err
jonroach 20 Feb 2026 00:00
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7 months ago
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 #ifndef COR_PLATFORM_H
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 #define COR_PLATFORM_H
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 // platform specific parts collected together
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 #include <stdbool.h>
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 #include <stdlib.h>
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 #include <pthread.h>
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 #include <errno.h>
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 // inspired by CPython to achieve platform indenpendence for thread local variables
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 #ifdef thread_local
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 #define _Cor_thread_local thread_local
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 #elif __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__)
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 #define _Cor_thread_local _Thread_local
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 #elif defined(_MSC_VER) /* AKA NT_THREADS */
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 #define _Cor_thread_local __declspec(thread)
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 #elif defined(__GNUC__) /* includes clang */
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 #define _Cor_thread_local __thread
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 #else
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 #define _Cor_thread_local
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 #endif
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 // see CPython again, this time in ctypes.h
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 #define COROUTINE_HAVE_ALLOCA_H 1
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 // Non-reentrant Mutexes
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 typedef struct _Cor_Mutex {
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 pthread_mutex_t mut;
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 } _Cor_Mutex;
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 extern int _Cor_Mutex_ctor(_Cor_Mutex *);
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 extern int _Cor_Mutex_dtor(_Cor_Mutex *);
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 extern int _Cor_Mutex_Lock(_Cor_Mutex *);
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 extern int _Cor_Mutex_Unlock(_Cor_Mutex *);
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 // The 'now' to use for _Cor_Semaphore_Wait, in ns.
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 extern int64_t _Cor_Realtime_Now();
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 typedef struct _Cor_Semaphore {
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 pthread_mutex_t mut;
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 pthread_cond_t cond;
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 unsigned count;
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 } _Cor_Semaphore;
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 extern void _Cor_Semaphore_ctor(_Cor_Semaphore *sem);
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 extern void _Cor_Sempahore_dtor(_Cor_Semaphore *sem);
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 // timeout_when < 0 means 'wait forever'
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 // Returns true for success, false for timeout
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 extern bool _Cor_Semaphore_Wait(_Cor_Semaphore *sem, int64_t timeout_when);
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 extern void _Cor_Semaphore_Signal(_Cor_Semaphore *sem);
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 typedef struct _Cor_Thread {
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 pthread_t th;
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 bool joined;
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 } _Cor_Thread;
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 extern void _Cor_Thread_ctor(_Cor_Thread *, void *(*)(void *), void *);
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 extern void _Cor_Thread_dtor(_Cor_Thread *);
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 extern void *_Cor_Thread_Join(_Cor_Thread *);
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 #endif
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