run-command.h

   1 #ifndef RUN_COMMAND_H
   2 #define RUN_COMMAND_H
   3
   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,
  12 };
  13
  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 git_cmd:1; /* if this is to be git sub-command */
  27         unsigned stdout_to_stderr:1;
  28 };
  29
  30 int start_command(struct child_process *);
  31 int finish_command(struct child_process *);
  32 int run_command(struct child_process *);
  33
  34 #define RUN_COMMAND_NO_STDIN 1
  35 #define RUN_GIT_CMD          2  /*If this is to be git sub-command */
  36 #define RUN_COMMAND_STDOUT_TO_STDERR 4
  37 int run_command_v_opt(const char **argv, int opt);
  38 int run_command_v_opt_cd(const char **argv, int opt, const char *dir);
  39
  40 /*
  41  * env (the environment) is to be formatted like environ: "VAR=VALUE".
  42  * To unset an environment variable use just "VAR".
  43  */
  44 int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
  45
  46 #endif