<refsect1>
<title>Exit status</title>
- <para>On success, 0 is returned. If the configuration was invalid (invalid syntax, missing
- arguments, …), so some lines had to be ignored, but no other errors occurred,
+ <para>On success, 0 is returned. If the configuration was syntactically invalid (syntax errors,
+ missing arguments, …), so some lines had to be ignored, but no other errors occurred,
<constant>65</constant> is returned (<constant>EX_DATAERR</constant> from
- <filename>/usr/include/sysexits.h</filename>). Otherwise, <constant>1</constant> is returned
- (<constant>EXIT_FAILURE</constant> from <filename>/usr/include/stdlib.h</filename>).
+ <filename>/usr/include/sysexits.h</filename>). If the configuration was syntactically valid, but
+ could not be executed (lack of permissions, creation of files in missing directories, invalid
+ contents when writing to <filename>/sys/</filename> values, …), <constant>73</constant> is
+ returned (<constant>EX_DATAERR</constant> from <filename>/usr/include/sysexits.h</filename>).
+ Otherwise, <constant>1</constant> is returned (<constant>EXIT_FAILURE</constant> from
+ <filename>/usr/include/stdlib.h</filename>).
</para>
</refsect1>
#define ERRNO_IS_DISCONNECT(r) \
IN_SET(r, ENOTCONN, ECONNRESET, ECONNREFUSED, ECONNABORTED, EPIPE, ENETUNREACH)
+/* Resource exhaustion, could be our fault or general system trouble */
+#define ERRNO_IS_RESOURCE(r) \
+ IN_SET(r, ENOMEM, EMFILE, ENFILE)
+
int fd_move_above_stdio(int fd);
int rearrange_stdio(int original_input_fd, int original_output_fd, int original_error_fd);
fd = safe_close(fd);
-done:
+ done:
if (stat(path, &st) < 0)
return log_error_errno(errno, "stat(%s) failed: %m", path);
}
int main(int argc, char *argv[]) {
- int r, k;
+ int r, k, r_process = 0;
ItemArray *a;
Iterator iterator;
_cleanup_strv_free_ char **config_dirs = NULL;
t = strv_join(config_dirs, "\n\t");
if (t)
- log_debug("Looking for configuration files in (higher priority first:\n\t%s", t);
+ log_debug("Looking for configuration files in (higher priority first):\n\t%s", t);
}
/* If command line arguments are specified along with --replace, read all
if (r < 0)
goto finish;
-
-
/* The non-globbing ones usually create things, hence we apply
* them first */
ORDERED_HASHMAP_FOREACH(a, items, iterator) {
k = process_item_array(a);
- if (k < 0 && r == 0)
- r = k;
+ if (k < 0 && r_process == 0)
+ r_process = k;
}
/* The globbing ones usually alter things, hence we apply them
* second. */
ORDERED_HASHMAP_FOREACH(a, globs, iterator) {
k = process_item_array(a);
- if (k < 0 && r == 0)
- r = k;
+ if (k < 0 && r_process == 0)
+ r_process = k;
}
finish:
mac_selinux_finish();
- if (r < 0)
+ if (r < 0 || ERRNO_IS_RESOURCE(-r_process))
return EXIT_FAILURE;
else if (invalid_config)
return EX_DATAERR;
+ else if (r_process < 0)
+ return EX_CANTCREAT;
else
return EXIT_SUCCESS;
}