trace2/tr2_dst.h

   1 #ifndef TR2_DST_H
   2 #define TR2_DST_H
   3
   4 struct strbuf;
   5
   6 struct tr2_dst {
   7         const char *const env_var_name;
   8         int fd;
   9         unsigned int initialized : 1;
  10         unsigned int need_close : 1;
  11 };
  12
  13 /*
  14  * Disable TRACE2 on the destination.  In TRACE2 a destination (DST)
  15  * wraps a file descriptor; it is associated with a TARGET which
  16  * defines the formatting.
  17  */
  18 void tr2_dst_trace_disable(struct tr2_dst *dst);
  19
  20 /*
  21  * Return the file descriptor for the DST.
  22  * If 0, the dst is closed or disabled.
  23  */
  24 int tr2_dst_get_trace_fd(struct tr2_dst *dst);
  25
  26 /*
  27  * Return true if the DST is opened for writing.
  28  */
  29 int tr2_dst_trace_want(struct tr2_dst *dst);
  30
  31 /*
  32  * Write a single line/message to the trace file.
  33  */
  34 void tr2_dst_write_line(struct tr2_dst *dst, struct strbuf *buf_line);
  35
  36 #endif /* TR2_DST_H */