udevd \
udevtrigger \
udevsettle \
- udevsend \
udevcontrol \
udevmonitor \
udevinfo \
udevd.8 \
udevtrigger.8 \
udevsettle.8 \
- udevsend.8 \
udevtest.8 \
udevinfo.8 \
udevstart.8
o remove MODALIAS + $modalias
(ENV{MODALIAS}, $env{MODALIAS}, $sysfs{modalias} will do it)
- o remove udevsend, udevstart and their man pages
+ o remove udevstart
(we rely on the kernel "uevent" triggers of kernel 2.6.15 and no longer
want to guess event properties from sysfs like udevstart is doing it)
/* receive the udevd message from userspace */
static struct uevent_msg *get_udevd_msg(void)
{
- static struct udevd_msg usend_msg;
- struct uevent_msg *msg;
+ static struct udevd_msg ctrl_msg;
ssize_t size;
struct msghdr smsg;
struct cmsghdr *cmsg;
struct iovec iov;
struct ucred *cred;
char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
- int envbuf_size;
int *intval;
- memset(&usend_msg, 0x00, sizeof(struct udevd_msg));
- iov.iov_base = &usend_msg;
+ memset(&ctrl_msg, 0x00, sizeof(struct udevd_msg));
+ iov.iov_base = &ctrl_msg;
iov.iov_len = sizeof(struct udevd_msg);
memset(&smsg, 0x00, sizeof(struct msghdr));
return NULL;
}
- if (strncmp(usend_msg.magic, UDEV_MAGIC, sizeof(UDEV_MAGIC)) != 0 ) {
- err("message magic '%s' doesn't match, ignore it", usend_msg.magic);
+ if (strncmp(ctrl_msg.magic, UDEV_MAGIC, sizeof(UDEV_MAGIC)) != 0 ) {
+ err("message magic '%s' doesn't match, ignore it", ctrl_msg.magic);
return NULL;
}
- switch (usend_msg.type) {
- case UDEVD_UEVENT_UDEVSEND:
- info("udevd event message received");
- envbuf_size = size - offsetof(struct udevd_msg, envbuf);
- dbg("envbuf_size=%i", envbuf_size);
- msg = get_msg_from_envbuf(usend_msg.envbuf, envbuf_size);
- if (msg == NULL)
- return NULL;
- msg->type = usend_msg.type;
- return msg;
+ switch (ctrl_msg.type) {
case UDEVD_STOP_EXEC_QUEUE:
info("udevd message (STOP_EXEC_QUEUE) received");
stop_exec_q = 1;
msg_queue_manager();
break;
case UDEVD_SET_LOG_LEVEL:
- intval = (int *) usend_msg.envbuf;
+ intval = (int *) ctrl_msg.envbuf;
info("udevd message (SET_LOG_PRIORITY) received, udev_log_priority=%i", *intval);
udev_log_priority = *intval;
sprintf(udev_log, "UDEV_LOG=%i", udev_log_priority);
putenv(udev_log);
break;
case UDEVD_SET_MAX_CHILDS:
- intval = (int *) usend_msg.envbuf;
+ intval = (int *) ctrl_msg.envbuf;
info("udevd message (UDEVD_SET_MAX_CHILDS) received, max_childs=%i", *intval);
max_childs = *intval;
break;
#define UDEV_MAGIC "udevd_" UDEV_VERSION
#define UDEVD_SOCK_PATH "/org/kernel/udev/udevd"
-#define UDEVSEND_WAIT_MAX_SECONDS 3
-#define UDEVSEND_WAIT_LOOP_PER_SECOND 10
#define UDEVD_PRIORITY -4
#define UDEV_PRIORITY -2
enum udevd_msg_type {
UDEVD_UNKNOWN,
- UDEVD_UEVENT_UDEVSEND,
UDEVD_UEVENT_NETLINK,
UDEVD_STOP_EXEC_QUEUE,
UDEVD_START_EXEC_QUEUE,
+++ /dev/null
-.\" ** You probably do not want to edit this file directly **
-.\" It was generated using the DocBook XSL Stylesheets (version 1.69.1).
-.\" Instead of manually editing it, you probably should edit the DocBook XML
-.\" source for it and then use the DocBook XSL Stylesheets to regenerate it.
-.TH "UDEVSEND" "8" "August 2005" "udev" "udevsend"
-.\" disable hyphenation
-.nh
-.\" disable justification (adjust text to left margin only)
-.ad l
-.SH "NAME"
-udevsend \- send the current environment to the udev daemon
-.SH "SYNOPSIS"
-.HP 9
-\fBudevsend\fR
-.SH "DESCRIPTION"
-.PP
-Usually the udev daemon listens directly to the kernel uevents. udevsend may be used to pass events for already existing devices from a userspace application to the daemon.
-.SH "ENVIRONMENT"
-.TP
-\fBACTION\fR
-\fIadd\fR
-or
-\fIremove\fR
-signifies the addition or the removal of a device.
-.TP
-\fBDEVPATH\fR
-The sysfs devpath without the mountpoint but a leading slash.
-.TP
-\fBSUBSYSTEM\fR
-The kernel subsystem the device belongs to.
-.SH "AUTHOR"
-.PP
-Written by Kay Sievers
-<kay.sievers@vrfy.org>.
-.SH "SEE ALSO"
-.PP
-\fBudev\fR(7),
-\fBudevd\fR(8)
+++ /dev/null
-/*
- * udevsend.c
- *
- * Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
- * Copyright (C) 2004 Kay Sievers <kay.sievers@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.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <string.h>
-#include <time.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/wait.h>
-#include <sys/un.h>
-
-#include "udev.h"
-#include "udevd.h"
-
-/* global variables */
-static int sock = -1;
-
-#ifdef USE_LOG
-void log_message (int priority, const char *format, ...)
-{
- va_list args;
-
- if (priority > udev_log_priority)
- return;
-
- va_start(args, format);
- vsyslog(priority, format, args);
- va_end(args);
-}
-#endif
-
-int main(int argc, char *argv[], char *envp[])
-{
- static struct udevd_msg usend_msg;
- int usend_msg_len;
- int i;
- struct sockaddr_un saddr;
- socklen_t addrlen;
- int bufpos = 0;
- int retval = 0;
- const char *subsystem = NULL;
-
- logging_init("udevsend");
-#ifdef USE_LOG
- udev_config_init();
-#endif
- dbg("version %s", UDEV_VERSION);
-
- sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
- if (sock < 0) {
- err("error getting socket: %s", strerror(errno));
- retval = 1;
- goto exit;
- }
-
- memset(&saddr, 0x00, sizeof(struct sockaddr_un));
- saddr.sun_family = AF_LOCAL;
- /* use abstract namespace for socket path */
- strcpy(&saddr.sun_path[1], UDEVD_SOCK_PATH);
- addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
-
- memset(&usend_msg, 0x00, sizeof(struct udevd_msg));
- strcpy(usend_msg.magic, UDEV_MAGIC);
- usend_msg.type = UDEVD_UEVENT_UDEVSEND;
-
- /* copy all keys to send buffer */
- for (i = 0; envp[i]; i++) {
- const char *key;
- int keylen;
-
- key = envp[i];
- keylen = strlen(key);
-
- /* ignore events which are already sent on the netlink socket */
- if (strncmp(key, "SEQNUM=", 7) == 0) {
- dbg("ignoring event with SEQNUM set");
- retval = 0;
- goto exit;
- }
-
- /* prevent loops in the scripts we execute */
- if (strncmp(key, "UDEVD_EVENT=", 12) == 0) {
- err("event loop, already passed through the daemon, exit");
- retval = 2;
- goto exit;
- }
-
- if (bufpos + keylen >= UEVENT_BUFFER_SIZE-1) {
- err("environment buffer too small, probably not called by the kernel");
- continue;
- }
-
- /* remember the SUBSYSTEM */
- if (strncmp(key, "SUBSYSTEM=", 10) == 0)
- subsystem = &key[10];
-
- dbg("add '%s' to env[%i] buffer", key, i);
- strcpy(&usend_msg.envbuf[bufpos], key);
- bufpos += keylen + 1;
- }
-
- usend_msg_len = offsetof(struct udevd_msg, envbuf) + bufpos;
- dbg("usend_msg_len=%i", usend_msg_len);
-
- if (sendto(sock, &usend_msg, usend_msg_len, 0, (struct sockaddr *)&saddr, addrlen) < 0) {
- retval = 3;
- err("error sending message: %s", strerror(errno));
- }
-
-exit:
- if (sock != -1)
- close(sock);
-
- logging_close();
- return retval;
-}
+++ /dev/null
-<?xml version='1.0'?>
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<article>
- <articleinfo>
- <title>xmlto</title>
- <author>
- <firstname>Kay</firstname>
- <surname>Sievers</surname>
- <email>kay.sievers@vrfy.org</email>
- </author>
- <copyright>
- <year>2005</year>
- <holder>Kay Sievers</holder>
- </copyright>
- </articleinfo>
-
- <section>
- <title>udevsend</title>
- <refentry>
- <refentryinfo>
- <title>udevsend</title>
- <date>August 2005</date>
- <productname>udev</productname>
- </refentryinfo>
-
- <refmeta>
- <refentrytitle>udevsend</refentrytitle>
- <manvolnum>8</manvolnum>
- </refmeta>
-
- <refnamediv>
- <refname>udevsend</refname>
- <refpurpose>send the current environment to the udev daemon</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <cmdsynopsis>
- <command>udevsend</command>
- </cmdsynopsis>
- </refsynopsisdiv>
-
- <refsect1><title>DESCRIPTION</title>
- <para>Usually the udev daemon listens directly to the kernel uevents.
- udevsend may be used to pass events for already existing devices from
- a userspace application to the daemon.</para>
- </refsect1>
-
- <refsect1><title>ENVIRONMENT</title>
- <variablelist>
- <varlistentry>
- <term><option>ACTION</option></term>
- <listitem>
- <para><replaceable>add</replaceable> or <replaceable>remove</replaceable> signifies
- the addition or the removal of a device.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>DEVPATH</option></term>
- <listitem>
- <para>The sysfs devpath without the mountpoint but a leading slash.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>SUBSYSTEM</option></term>
- <listitem>
- <para>The kernel subsystem the device belongs to.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
- <refsect1><title>AUTHOR</title>
- <para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para>
- </refsect1>
-
- <refsect1>
- <title>SEE ALSO</title>
- <para><citerefentry>
- <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
- </citerefentry>,
- <citerefentry>
- <refentrytitle>udevd</refentrytitle><manvolnum>8</manvolnum>
- </citerefentry></para>
- </refsect1>
- </refentry>
- </section>
-</article>
projects / thirdparty / systemd.git / commitdiff
