mirror of
https://github.com/systemd/systemd.git
synced 2026-07-26 03:06:21 +00:00
a8c3ed5f13
The functions in the file were *not* using the spawn prefix, and the prefix seems completely unnecessary.
82 lines
3.3 KiB
C
82 lines
3.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
#pragma once
|
|
|
|
#include <stdlib.h>
|
|
|
|
#if HAVE_VALGRIND_VALGRIND_H
|
|
# include <valgrind/valgrind.h>
|
|
#endif
|
|
|
|
#include "sd-daemon.h"
|
|
|
|
#include "argv-util.h"
|
|
#include "ask-password-agent.h"
|
|
#include "hashmap.h"
|
|
#include "pager.h"
|
|
#include "polkit-agent.h"
|
|
#include "selinux-util.h"
|
|
#include "signal-util.h"
|
|
#include "static-destruct.h"
|
|
|
|
#define _DEFINE_MAIN_FUNCTION(intro, impl, result_to_exit_status, result_to_return_value) \
|
|
int main(int argc, char *argv[]) { \
|
|
int r; \
|
|
assert_se(argc > 0 && !isempty(argv[0])); \
|
|
save_argc_argv(argc, argv); \
|
|
intro; \
|
|
r = impl; \
|
|
if (r < 0) \
|
|
(void) sd_notifyf(0, "ERRNO=%i", -r); \
|
|
(void) sd_notifyf(0, "EXIT_STATUS=%i", \
|
|
result_to_exit_status(r)); \
|
|
ask_password_agent_close(); \
|
|
polkit_agent_close(); \
|
|
pager_close(); \
|
|
mac_selinux_finish(); \
|
|
static_destruct(); \
|
|
return result_to_return_value(r); \
|
|
}
|
|
|
|
static inline int exit_failure_if_negative(int result) {
|
|
return result < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|
|
|
|
/* Negative return values from impl are mapped to EXIT_FAILURE, and
|
|
* everything else means success! */
|
|
#define DEFINE_MAIN_FUNCTION(impl) \
|
|
_DEFINE_MAIN_FUNCTION(,impl(argc, argv), exit_failure_if_negative, exit_failure_if_negative)
|
|
|
|
static inline int exit_failure_if_nonzero(int result) {
|
|
return result < 0 ? EXIT_FAILURE : result;
|
|
}
|
|
|
|
/* Zero is mapped to EXIT_SUCCESS, negative values are mapped to EXIT_FAILURE,
|
|
* and positive values are propagated.
|
|
* Note: "true" means failure! */
|
|
#define DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(impl) \
|
|
_DEFINE_MAIN_FUNCTION(,impl(argc, argv), exit_failure_if_nonzero, exit_failure_if_nonzero)
|
|
|
|
static inline int raise_or_exit_status(int ret) {
|
|
if (ret < 0)
|
|
return EXIT_FAILURE;
|
|
if (ret == 0)
|
|
return EXIT_SUCCESS;
|
|
if (!SIGNAL_VALID(ret))
|
|
return EXIT_FAILURE;
|
|
|
|
#if HAVE_VALGRIND_VALGRIND_H
|
|
/* If raise() below succeeds, the destructor cleanup_pools() in hashmap.c will never called. */
|
|
if (RUNNING_ON_VALGRIND)
|
|
hashmap_trim_pools();
|
|
#endif
|
|
|
|
(void) raise(ret);
|
|
/* exit with failure if raise() does not immediately abort the program. */
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
/* Negative return values from impl are mapped to EXIT_FAILURE, zero is mapped to EXIT_SUCCESS,
|
|
* and raise if a positive signal is returned from impl. */
|
|
#define DEFINE_MAIN_FUNCTION_WITH_POSITIVE_SIGNAL(impl) \
|
|
_DEFINE_MAIN_FUNCTION(,impl(argc, argv), exit_failure_if_negative, raise_or_exit_status)
|