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authorMathieu Lirzin <mthl@gnu.org>2016-07-18 16:30:11 +0200
committerMathieu Lirzin <mthl@gnu.org>2016-12-28 22:19:03 +0100
commit19d68f7dd67dea1e5e11d5014766157d45e5ebf4 (patch)
tree8296654d8019a98d32f615cafd33e1748dee3644 /src/mcron.c
parent74babba80ef6c2084035e1bc5d78d31021341cb6 (diff)
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build: Rename 'mcron.c' to 'wrapper.c'.
* src/mcron.c: Rename to ... * src/wrapper.c: ... this. * Makefile.am (mcron_SOURCES, cron_SOURCES, crontab_SOURCES): Adapt to it. * configure.ac (AC_CONFIG_SRCDIR): Likewise.
Diffstat (limited to 'src/mcron.c')
-rw-r--r--src/mcron.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/src/mcron.c b/src/mcron.c
deleted file mode 100644
index a52c073..0000000
--- a/src/mcron.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* mcron - run jobs at scheduled times
-
- Copyright (C) 2015, 2016 Mathieu Lirzin
- Copyright (C) 2003, 2014 Dale Mellor
-
- This file is part of GNU Mcron.
-
- GNU Mcron is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- GNU Mcron is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Mcron. If not, see <http://www.gnu.org/licenses/>. */
-
-/* This C code represents a thin wrapper around the Guile code of Mcron. It
- is needed because the crontab personality requires SUID which is not
- permitted for executable scripts. */
-
-#include <libguile.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Forward declarations. */
-static void inner_main (void *closure, int argc, char **argv);
-static void react_to_terminal_signal (int sig);
-static SCM set_cron_signals (void);
-
-int
-main (int argc, char **argv)
-{
- scm_boot_guile (argc, argv, inner_main, 0);
-
- return EXIT_SUCCESS;
-}
-
-/* Launch the Mcron Guile main program. */
-static void
-inner_main (void *closure, int argc, char **argv)
-{
- /* Set Guile load paths to ensure that Mcron modules will be found. */
- if (getenv ("MCRON_UNINSTALLED") == NULL)
- {
- scm_c_eval_string ("(set! %load-path (cons \""
- PACKAGE_LOAD_PATH "\" %load-path))");
- scm_c_eval_string ("(set! %load-compiled-path (cons \""
- PACKAGE_LOAD_PATH "\" %load-compiled-path))");
- }
- scm_set_current_module (scm_c_resolve_module ("mcron scripts " PROGRAM));
- /* Register set_cron_signals to be called from Guile. */
- scm_c_define_gsubr ("c-set-cron-signals", 0, 0, 0, set_cron_signals);
- scm_c_eval_string ("(main)");
-}
-
-/* Set up all the signal handlers as required by the cron personality. This
- is necessary to perform the signal processing in C because the sigaction
- function won't work when called from Guile. */
-static SCM
-set_cron_signals ()
-{
- static struct sigaction sa;
-
- memset (&sa, 0, sizeof (sa));
- sa.sa_handler = react_to_terminal_signal;
- sigaction (SIGTERM, &sa, 0);
- sigaction (SIGINT, &sa, 0);
- sigaction (SIGQUIT, &sa, 0);
- sigaction (SIGHUP, &sa, 0);
-
- return SCM_BOOL_T;
-}
-
-/* Handle signal SIG and exit. All signals that mcron handles will produce
- the same behavior so we don't need to use SIG in the implementation. */
-static void
-react_to_terminal_signal (int sig)
-{
- scm_c_eval_string ("(delete-run-file)");
- exit (EXIT_FAILURE);
-}