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Tip revision: 34b146c0f444fc9f83bea3215bd0cd546fc57c33 authored by Junio C Hamano on 17 December 2008, 06:03:29 UTC
GIT 1.5.4.7
GIT 1.5.4.7
Tip revision: 34b146c
run-command.h
#ifndef RUN_COMMAND_H
#define RUN_COMMAND_H
enum {
ERR_RUN_COMMAND_FORK = 10000,
ERR_RUN_COMMAND_EXEC,
ERR_RUN_COMMAND_PIPE,
ERR_RUN_COMMAND_WAITPID,
ERR_RUN_COMMAND_WAITPID_WRONG_PID,
ERR_RUN_COMMAND_WAITPID_SIGNAL,
ERR_RUN_COMMAND_WAITPID_NOEXIT,
};
struct child_process {
const char **argv;
pid_t pid;
int in;
int out;
int err;
const char *dir;
const char *const *env;
unsigned close_in:1;
unsigned close_out:1;
unsigned no_stdin:1;
unsigned no_stdout:1;
unsigned no_stderr:1;
unsigned git_cmd:1; /* if this is to be git sub-command */
unsigned stdout_to_stderr:1;
};
int start_command(struct child_process *);
int finish_command(struct child_process *);
int run_command(struct child_process *);
#define RUN_COMMAND_NO_STDIN 1
#define RUN_GIT_CMD 2 /*If this is to be git sub-command */
#define RUN_COMMAND_STDOUT_TO_STDERR 4
int run_command_v_opt(const char **argv, int opt);
int run_command_v_opt_cd(const char **argv, int opt, const char *dir);
/*
* env (the environment) is to be formatted like environ: "VAR=VALUE".
* To unset an environment variable use just "VAR".
*/
int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
/*
* The purpose of the following functions is to feed a pipe by running
* a function asynchronously and providing output that the caller reads.
*
* It is expected that no synchronization and mutual exclusion between
* the caller and the feed function is necessary so that the function
* can run in a thread without interfering with the caller.
*/
struct async {
/*
* proc writes to fd and closes it;
* returns 0 on success, non-zero on failure
*/
int (*proc)(int fd, void *data);
void *data;
int out; /* caller reads from here and closes it */
pid_t pid;
};
int start_async(struct async *async);
int finish_async(struct async *async);
#endif