trace2 / tr2_dst.hon commit Merge branch 'ds/commit-graph-incremental' (92b1ea6)
   1#ifndef TR2_DST_H
   2#define TR2_DST_H
   3
   4struct strbuf;
   5#include "trace2/tr2_sysenv.h"
   6
   7struct tr2_dst {
   8        enum tr2_sysenv_variable sysenv_var;
   9        int fd;
  10        unsigned int initialized : 1;
  11        unsigned int need_close : 1;
  12};
  13
  14/*
  15 * Disable TRACE2 on the destination.  In TRACE2 a destination (DST)
  16 * wraps a file descriptor; it is associated with a TARGET which
  17 * defines the formatting.
  18 */
  19void tr2_dst_trace_disable(struct tr2_dst *dst);
  20
  21/*
  22 * Return the file descriptor for the DST.
  23 * If 0, the dst is closed or disabled.
  24 */
  25int tr2_dst_get_trace_fd(struct tr2_dst *dst);
  26
  27/*
  28 * Return true if the DST is opened for writing.
  29 */
  30int tr2_dst_trace_want(struct tr2_dst *dst);
  31
  32/*
  33 * Write a single line/message to the trace file.
  34 */
  35void tr2_dst_write_line(struct tr2_dst *dst, struct strbuf *buf_line);
  36
  37#endif /* TR2_DST_H */