Merge tag 'v2.14.1'
[git/raj.git] / sub-process.h
blob96a2cca360c5660fb8e72c684dc4c25e96ba0546
1 #ifndef SUBPROCESS_H
2 #define SUBPROCESS_H
4 #include "git-compat-util.h"
5 #include "hashmap.h"
6 #include "run-command.h"
8 /*
9 * Generic implementation of background process infrastructure.
10 * See: Documentation/technical/api-sub-process.txt
13 /* data structures */
15 struct subprocess_entry {
16 struct hashmap_entry ent; /* must be the first member! */
17 const char *cmd;
18 struct child_process process;
21 /* subprocess functions */
23 extern int cmd2process_cmp(const void *unused_cmp_data,
24 const struct subprocess_entry *e1,
25 const struct subprocess_entry *e2,
26 const void *unused_keydata);
28 typedef int(*subprocess_start_fn)(struct subprocess_entry *entry);
29 int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, const char *cmd,
30 subprocess_start_fn startfn);
32 void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry);
34 struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const char *cmd);
36 /* subprocess helper functions */
38 static inline struct child_process *subprocess_get_child_process(
39 struct subprocess_entry *entry)
41 return &entry->process;
45 * Helper function that will read packets looking for "status=<foo>"
46 * key/value pairs and return the value from the last "status" packet
49 int subprocess_read_status(int fd, struct strbuf *status);
51 #endif