Andrew's git - gitweb.git/blob

   1#ifndef SUBPROCESS_H
   2#define SUBPROCESS_H
   3
   4#include "git-compat-util.h"
   5#include "hashmap.h"
   6#include "run-command.h"
   7
   8/*
   9 * Generic implementation of background process infrastructure.
  10 * See: Documentation/technical/api-sub-process.txt
  11 */
  12
  13 /* data structures */
  14
  15struct subprocess_entry {
  16        struct hashmap_entry ent; /* must be the first member! */
  17        const char *cmd;
  18        struct child_process process;
  19};
  20
  21/* subprocess functions */
  22
  23extern 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);
  27
  28typedef int(*subprocess_start_fn)(struct subprocess_entry *entry);
  29int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, const char *cmd,
  30                subprocess_start_fn startfn);
  31
  32void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry);
  33
  34struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const char *cmd);
  35
  36/* subprocess helper functions */
  37
  38static inline struct child_process *subprocess_get_child_process(
  39                struct subprocess_entry *entry)
  40{
  41        return &entry->process;
  42}
  43
  44/*
  45 * Helper function that will read packets looking for "status=<foo>"
  46 * key/value pairs and return the value from the last "status" packet
  47 */
  48
  49int subprocess_read_status(int fd, struct strbuf *status);
  50
  51#endif