mirror of
https://github.com/systemd/systemd.git
synced 2024-11-05 15:21:37 +03:00
6a522681e1
Modern rules are expected to call notification and postprocessing with the RUN key. For compatibility the current behavior can be emulated with an external helper. Signed-off-by: Kay Sievers <kay.sievers@suse.de>
79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/*
|
|
* udev_run_devd.c - directory multiplexer
|
|
*
|
|
* Copyright (C) 2005 Kay Sievers <kay@vrfy.org>
|
|
*
|
|
* This program 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 version 2 of the License.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stddef.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "../../udev_utils.h"
|
|
#include "../../list.h"
|
|
#include "../../logging.h"
|
|
|
|
extern int run_directory(const char *dir, const char *suffix, const char *subsystem);
|
|
|
|
#ifdef USE_LOG
|
|
void log_message (int priority, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
static int udev_log = -1;
|
|
|
|
if (udev_log == -1) {
|
|
const char *value;
|
|
|
|
value = getenv("UDEV_LOG");
|
|
if (value)
|
|
udev_log = log_priority(value);
|
|
else
|
|
udev_log = LOG_ERR;
|
|
}
|
|
|
|
if (priority > udev_log)
|
|
return;
|
|
|
|
va_start(args, format);
|
|
vsyslog(priority, format, args);
|
|
va_end(args);
|
|
}
|
|
#endif
|
|
|
|
int main(int argc, char *argv[], char *envp[])
|
|
{
|
|
const char *subsystem;
|
|
int fd;
|
|
|
|
if (getenv("DEVNAME") == NULL)
|
|
exit(0);
|
|
|
|
subsystem = argv[1];
|
|
logging_init("udev_run_devd");
|
|
|
|
fd = open("/dev/null", O_RDWR);
|
|
if (fd >= 0) {
|
|
dup2(fd, STDOUT_FILENO);
|
|
dup2(fd, STDIN_FILENO);
|
|
dup2(fd, STDERR_FILENO);
|
|
close(fd);
|
|
}
|
|
dbg("running dev.d directory");
|
|
|
|
run_directory("/etc/dev.d", ".dev", subsystem);
|
|
exit(0);
|
|
}
|