trace2: create new combined trace facility
[git/git.git] / trace2 / tr2_dst.h
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ee4512ed
JH
1#ifndef TR2_DST_H
2#define TR2_DST_H
3
4struct strbuf;
5
6struct 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 */
18void 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 */
24int tr2_dst_get_trace_fd(struct tr2_dst *dst);
25
26/*
27 * Return true if the DST is opened for writing.
28 */
29int tr2_dst_trace_want(struct tr2_dst *dst);
30
31/*
32 * Write a single line/message to the trace file.
33 */
34void tr2_dst_write_line(struct tr2_dst *dst, struct strbuf *buf_line);
35
36#endif /* TR2_DST_H */