thodg/cgminer/util.h

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• Hash : e1433f8e
  Author :
  Date : 2013-08-22T13:49:22
  

  Use timespecs on windows as cgtimer_t to capitalise on the higher resolution clock changes.

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• util.h

• #ifndef __UTIL_H__
  #define __UTIL_H__
  
  #include <semaphore.h>
  
  #if defined(unix) || defined(__APPLE__)
  	#include <errno.h>
  	#include <sys/socket.h>
  	#include <netinet/in.h>
  	#include <arpa/inet.h>
  
  	#define SOCKETTYPE long
  	#define SOCKETFAIL(a) ((a) < 0)
  	#define INVSOCK -1
  	#define INVINETADDR -1
  	#define CLOSESOCKET close
  
  	#define SOCKERRMSG strerror(errno)
  	static inline bool sock_blocks(void)
  	{
  		return (errno == EAGAIN || errno == EWOULDBLOCK);
  	}
  #elif defined WIN32
  	#include <ws2tcpip.h>
  	#include <winsock2.h>
  
  	#define SOCKETTYPE SOCKET
  	#define SOCKETFAIL(a) ((int)(a) == SOCKET_ERROR)
  	#define INVSOCK INVALID_SOCKET
  	#define INVINETADDR INADDR_NONE
  	#define CLOSESOCKET closesocket
  
  	extern char *WSAErrorMsg(void);
  	#define SOCKERRMSG WSAErrorMsg()
  
  	static inline bool sock_blocks(void)
  	{
  		return (WSAGetLastError() == WSAEWOULDBLOCK);
  	}
  	#ifndef SHUT_RDWR
  	#define SHUT_RDWR SD_BOTH
  	#endif
  
  	#ifndef in_addr_t
  	#define in_addr_t uint32_t
  	#endif
  #endif
  
  #if JANSSON_MAJOR_VERSION >= 2
  #define JSON_LOADS(str, err_ptr) json_loads((str), 0, (err_ptr))
  #else
  #define JSON_LOADS(str, err_ptr) json_loads((str), (err_ptr))
  #endif
  
  /* cgminer specific unnamed semaphore implementations to cope with osx not
   * implementing them. */
  #ifdef __APPLE__
  struct cgsem {
  	int pipefd[2];
  };
  
  typedef struct cgsem cgsem_t;
  #else
  typedef sem_t cgsem_t;
  #endif
  typedef struct timespec cgtimer_t;
  
  struct thr_info;
  struct pool;
  enum dev_reason;
  struct cgpu_info;
  int thr_info_create(struct thr_info *thr, pthread_attr_t *attr, void *(*start) (void *), void *arg);
  void thr_info_cancel(struct thr_info *thr);
  void cgtime(struct timeval *tv);
  void subtime(struct timeval *a, struct timeval *b);
  void addtime(struct timeval *a, struct timeval *b);
  bool time_more(struct timeval *a, struct timeval *b);
  bool time_less(struct timeval *a, struct timeval *b);
  void copy_time(struct timeval *dest, const struct timeval *src);
  void timespec_to_val(struct timeval *val, const struct timespec *spec);
  void timeval_to_spec(struct timespec *spec, const struct timeval *val);
  void us_to_timeval(struct timeval *val, int64_t us);
  void us_to_timespec(struct timespec *spec, int64_t us);
  void ms_to_timespec(struct timespec *spec, int64_t ms);
  void timeraddspec(struct timespec *a, const struct timespec *b);
  void cgsleep_ms(int ms);
  void cgsleep_us(int64_t us);
  void cgtimer_time(cgtimer_t *ts_start);
  #define cgsleep_prepare_r(ts_start) cgtimer_time(ts_start)
  void cgsleep_ms_r(cgtimer_t *ts_start, int ms);
  void cgsleep_us_r(cgtimer_t *ts_start, int64_t us);
  int cgtimer_to_ms(cgtimer_t *cgt);
  void cgtimer_sub(cgtimer_t *a, cgtimer_t *b, cgtimer_t *res);
  double us_tdiff(struct timeval *end, struct timeval *start);
  double tdiff(struct timeval *end, struct timeval *start);
  bool stratum_send(struct pool *pool, char *s, ssize_t len);
  bool sock_full(struct pool *pool);
  char *recv_line(struct pool *pool);
  bool parse_method(struct pool *pool, char *s);
  bool extract_sockaddr(struct pool *pool, char *url);
  bool auth_stratum(struct pool *pool);
  bool initiate_stratum(struct pool *pool);
  bool restart_stratum(struct pool *pool);
  void suspend_stratum(struct pool *pool);
  void dev_error(struct cgpu_info *dev, enum dev_reason reason);
  void *realloc_strcat(char *ptr, char *s);
  void *str_text(char *ptr);
  void RenameThread(const char* name);
  void _cgsem_init(cgsem_t *cgsem, const char *file, const char *func, const int line);
  void _cgsem_post(cgsem_t *cgsem, const char *file, const char *func, const int line);
  void _cgsem_wait(cgsem_t *cgsem, const char *file, const char *func, const int line);
  void _cgsem_destroy(cgsem_t *cgsem);
  
  #define cgsem_init(_sem) _cgsem_init(_sem, __FILE__, __func__, __LINE__)
  #define cgsem_post(_sem) _cgsem_post(_sem, __FILE__, __func__, __LINE__)
  #define cgsem_wait(_sem) _cgsem_wait(_sem, __FILE__, __func__, __LINE__)
  #define cgsem_destroy(_sem) _cgsem_destroy(_sem)
  
  /* Align a size_t to 4 byte boundaries for fussy arches */
  static inline void align_len(size_t *len)
  {
  	if (*len % 4)
  		*len += 4 - (*len % 4);
  }
  
  #endif /* __UTIL_H__ */
  

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