ustd/ustd.h

   1 #ifndef USTD_H
   2 #define USTD_H
   3
   4 #include "ustcomm.h"
   5
   6 #define USTD_DEFAULT_TRACE_PATH "/tmp/usttrace"
   7
   8 struct buffer_info {
   9         const char *name;
  10         pid_t pid;
  11         struct ustcomm_connection conn;
  12
  13         int shmid;
  14         int bufstruct_shmid;
  15
  16         /* the buffer memory */
  17         void *mem;
  18         /* buffer size */
  19         int memlen;
  20         /* number of subbuffers in buffer */
  21         int n_subbufs;
  22         /* size of each subbuffer */
  23         int subbuf_size;
  24
  25         /* the buffer information struct */
  26         void *bufstruct_mem;
  27
  28         int file_fd; /* output file */
  29
  30         long consumed_old;
  31
  32         s64 pidunique;
  33
  34         /* the offset we must truncate to, to unput the last subbuffer */
  35         off_t previous_offset;
  36 };
  37
  38 void finish_consuming_dead_subbuffer(struct buffer_info *buf);
  39 size_t subbuffer_data_size(void *subbuf);
  40
  41 #endif /* USTD_H */