redset_util.h

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#ifndef REDSET_UTIL_H
#define REDSET_UTIL_H
 
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
 
#include "mpi.h"
#include "kvtree.h"
 
#define REDSET_FAILURE (1)
 
#define REDSET_MAX_FILENAME (1024)
 
extern int redset_debug;
 
extern int redset_rank;
extern char* redset_hostname;
 
extern int redset_mpi_buf_size;
extern size_t redset_page_size;
 
void redset_err(const char *fmt, ...);
 
void redset_warn(const char *fmt, ...);
 
void redset_dbg(int level, const char *fmt, ...);
 
void redset_abort(int rc, const char *fmt, ...);
 
#define REDSET_MALLOC(X) redset_malloc(X, __FILE__, __LINE__);
void* redset_malloc(size_t size, const char* file, int line);
 
void redset_free(void* ptr);
 
void* redset_align_malloc(size_t size, size_t align);
 
void redset_align_free(void* buf);
 
int redset_str_sendrecv(
  const char* send_str, int send_rank,
  char** recv_str, int recv_rank,
  MPI_Comm comm
);
 
int redset_alltrue(int flag, MPI_Comm comm);
 
/* recursively sort a kvtree in alphabetical order */
void redset_sort_kvtree(kvtree* hash);
 
/* allocate a set of buffers for MPI communication or redundancy encoding */
void** redset_buffers_alloc(int num, size_t size);
 
/* free a set of buffers allocated in redset_buffers_alloc */
void redset_buffers_free(int num, void* pbufs);
 
#endif