src/basic/exec-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2017 Zbigniew Jędrzejewski-Szmek
   6 ***/
   7
   8 #include <stdbool.h>
   9
  10 #include "time-util.h"
  11
  12 typedef int (*gather_stdout_callback_t) (int fd, void *arg);
  13
  14 enum {
  15         STDOUT_GENERATE,   /* from generators to helper process */
  16         STDOUT_COLLECT,    /* from helper process to main process */
  17         STDOUT_CONSUME,    /* process data in main process */
  18         _STDOUT_CONSUME_MAX,
  19 };
  20
  21 int execute_directories(
  22                 const char* const* directories,
  23                 usec_t timeout,
  24                 gather_stdout_callback_t const callbacks[_STDOUT_CONSUME_MAX],
  25                 void* const callback_args[_STDOUT_CONSUME_MAX],
  26                 char *argv[]);
  27
  28 extern const gather_stdout_callback_t gather_environment[_STDOUT_CONSUME_MAX];