Prevent case sensitive commit
[git/jr.git] / run-command.h
blob1fc781d7668468f9e74bd430b7569dc040440ba8
1 #ifndef RUN_COMMAND_H
2 #define RUN_COMMAND_H
4 enum {
5 ERR_RUN_COMMAND_FORK = 10000,
6 ERR_RUN_COMMAND_EXEC,
7 ERR_RUN_COMMAND_PIPE,
8 ERR_RUN_COMMAND_WAITPID,
9 ERR_RUN_COMMAND_WAITPID_WRONG_PID,
10 ERR_RUN_COMMAND_WAITPID_SIGNAL,
11 ERR_RUN_COMMAND_WAITPID_NOEXIT,
14 struct child_process {
15 const char **argv;
16 pid_t pid;
17 int in;
18 int out;
19 int err;
20 const char *dir;
21 const char *const *env;
22 unsigned close_in:1;
23 unsigned close_out:1;
24 unsigned no_stdin:1;
25 unsigned no_stdout:1;
26 unsigned no_stderr:1;
27 unsigned git_cmd:1; /* if this is to be git sub-command */
28 unsigned stdout_to_stderr:1;
31 int start_command(struct child_process *);
32 int finish_command(struct child_process *);
33 int run_command(struct child_process *);
35 #define RUN_COMMAND_NO_STDIN 1
36 #define RUN_GIT_CMD 2 /*If this is to be git sub-command */
37 #define RUN_COMMAND_STDOUT_TO_STDERR 4
38 int run_command_v_opt(const char **argv, int opt);
39 int run_command_v_opt_cd(const char **argv, int opt, const char *dir);
42 * env (the environment) is to be formatted like environ: "VAR=VALUE".
43 * To unset an environment variable use just "VAR".
45 int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
48 * The purpose of the following functions is to feed a pipe by running
49 * a function asynchronously and providing output that the caller reads.
51 * It is expected that no synchronization and mutual exclusion between
52 * the caller and the feed function is necessary so that the function
53 * can run in a thread without interfering with the caller.
55 struct async {
57 * proc writes to fd and closes it;
58 * returns 0 on success, non-zero on failure
60 int (*proc)(int fd, void *data);
61 void *data;
62 int out; /* caller reads from here and closes it */
63 pid_t pid;
66 int start_async(struct async *async);
67 int finish_async(struct async *async);
69 #endif