summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>2005-03-07 00:01:34 +0100
committerGreg KH <gregkh@suse.de>2005-04-26 23:51:00 -0700
commit56a8a624eef99f5324b54fad466b144aa4f882c2 (patch)
treee1d75b37648f8deb9a75cfb4312dcfb9d8681393
parent845d4751acc26596b827c937b84a9566cd050707 (diff)
[PATCH] split udev and udevstart
-rw-r--r--Makefile9
-rw-r--r--udev.c12
-rw-r--r--udevstart.c (renamed from udev_start.c)100
3 files changed, 73 insertions, 48 deletions
diff --git a/Makefile b/Makefile
index f2d445d627..9b37402fb9 100644
--- a/Makefile
+++ b/Makefile
@@ -139,7 +139,6 @@ UDEV_OBJS = \
udev_config.o \
udev_add.o \
udev_remove.o \
- udev_start.o \
udev_sysfs.o \
udev_db.o \
udev_multiplex.o \
@@ -222,7 +221,7 @@ endif
# config files automatically generated
GEN_CONFIGS = $(LOCAL_CFG_DIR)/udev.conf
-all: $(ROOT) $(SENDER) $(DAEMON) $(INFO) $(TESTER) $(GEN_CONFIGS)
+all: $(ROOT) $(SENDER) $(DAEMON) $(INFO) $(TESTER) $(STARTER) $(GEN_CONFIGS)
@extras="$(EXTRAS)" ; for target in $$extras ; do \
echo $$target ; \
$(MAKE) prefix=$(prefix) \
@@ -311,6 +310,10 @@ $(SENDER): $(LIBC) $(SENDER).o $(OBJS) udevd.h
$(QUIET) $(LD) $(LDFLAGS) -o $@ $(CRT0) $(SENDER).o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(QUIET) $(STRIPCMD) $@
+$(STARTER): $(LIBC) $(STARTER).o $(OBJS)
+ $(QUIET) $(LD) $(LDFLAGS) -o $@ $(CRT0) $(STARTER).o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
+ $(QUIET) $(STRIPCMD) $@
+
.c.o:
$(QUIET) $(CC) $(CFLAGS) -c -o $@ $<
@@ -405,7 +408,7 @@ install: install-config install-man install-dev.d all
$(INSTALL_PROGRAM) -D $(SENDER) $(DESTDIR)$(sbindir)/$(SENDER)
$(INSTALL_PROGRAM) -D $(INFO) $(DESTDIR)$(usrbindir)/$(INFO)
$(INSTALL_PROGRAM) -D $(TESTER) $(DESTDIR)$(usrbindir)/$(TESTER)
- - ln -f -s $(sbindir)/udev $(DESTDIR)$(sbindir)/$(STARTER)
+ $(INSTALL_PROGRAM) -D $(STARTER) $(DESTDIR)$(sbindir)/$(STARTER)
- ln -f -s $(sbindir)/$(SENDER) $(DESTDIR)$(hotplugdir)/10-udev.hotplug
ifndef DESTDIR
- killall $(DAEMON)
diff --git a/udev.c b/udev.c
index 76de8181d1..c9461469e5 100644
--- a/udev.c
+++ b/udev.c
@@ -130,17 +130,6 @@ int main(int argc, char *argv[], char *envp[])
/* trigger timeout to prevent hanging processes */
alarm(ALARM_TIMEOUT);
- if (strstr(argv[0], "udevstart") || (argc == 2 && strstr(argv[1], "udevstart"))) {
- dbg("udevstart");
-
- /* disable all logging, as it's much too slow on some facilities */
- udev_log = 0;
-
- namedev_init();
- retval = udev_start();
- goto exit;
- }
-
/* let the executed programs know if we handle the whole hotplug event */
managed_event = manage_hotplug_event();
if (managed_event)
@@ -240,7 +229,6 @@ hotplug:
if (udev_hotplug_d && managed_event)
udev_multiplex_directory(&udev, HOTPLUGD_DIR, HOTPLUG_SUFFIX);
-exit:
logging_close();
return retval;
}
diff --git a/udev_start.c b/udevstart.c
index dcb4293345..97d38490ae 100644
--- a/udev_start.c
+++ b/udevstart.c
@@ -26,27 +26,32 @@
#include <stddef.h>
#include <string.h>
#include <stdio.h>
+#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <dirent.h>
+#include <signal.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <unistd.h>
#include "libsysfs/sysfs/libsysfs.h"
#include "logging.h"
+#include "namedev.h"
#include "udev_utils.h"
#include "list.h"
#include "udev.h"
-
-#define MAX_PATH_SIZE 512
+#ifdef USE_LOG
+void log_message(int level, const char *format, ...)
+{
+}
+#endif
struct device {
struct list_head list;
- char path[MAX_PATH_SIZE];
- char subsys[MAX_PATH_SIZE];
+ char path[DEVPATH_SIZE];
+ char subsys[SUBSYSTEM_SIZE];
};
/* sort files in lexical order */
@@ -100,7 +105,7 @@ static int add_device(const char *path, const char *subsystem)
setenv("DEVPATH", devpath, 1);
setenv("SUBSYSTEM", subsystem, 1);
- dbg("exec : '%s' (%s)\n", devpath, path);
+ dbg("exec: '%s' (%s)\n", devpath, path);
class_dev = sysfs_open_class_device_path(path);
if (class_dev == NULL) {
@@ -118,6 +123,7 @@ static int add_device(const char *path, const char *subsystem)
}
sysfs_close_class_device(class_dev);
+ udev_cleanup_device(&udev);
return 0;
}
@@ -167,11 +173,11 @@ static void exec_list(struct list_head *device_list)
static int has_devt(const char *directory)
{
- char filename[MAX_PATH_SIZE];
+ char filename[NAME_SIZE];
struct stat statbuf;
- snprintf(filename, MAX_PATH_SIZE, "%s/dev", directory);
- filename[MAX_PATH_SIZE-1] = '\0';
+ snprintf(filename, NAME_SIZE, "%s/dev", directory);
+ filename[NAME_SIZE-1] = '\0';
if (stat(filename, &statbuf) == 0)
return 1;
@@ -181,42 +187,42 @@ static int has_devt(const char *directory)
static void udev_scan_block(void)
{
- char base[MAX_PATH_SIZE];
+ char base[NAME_SIZE];
DIR *dir;
struct dirent *dent;
LIST_HEAD(device_list);
- snprintf(base, MAX_PATH_SIZE, "%s/block", sysfs_path);
- base[MAX_PATH_SIZE-1] = '\0';
+ snprintf(base, DEVPATH_SIZE, "%s/block", sysfs_path);
+ base[DEVPATH_SIZE-1] = '\0';
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
- char dirname[MAX_PATH_SIZE];
+ char dirname[DEVPATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
- dirname[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname, NAME_SIZE, "%s/%s", base, dent->d_name);
+ dirname[NAME_SIZE-1] = '\0';
if (has_devt(dirname))
device_list_insert(dirname, "block", &device_list);
else
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
+ /* look for partitions */
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
- char dirname2[MAX_PATH_SIZE];
+ char dirname2[DEVPATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
- snprintf(dirname2, MAX_PATH_SIZE, "%s/%s", dirname, dent2->d_name);
- dirname2[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname2, DEVPATH_SIZE, "%s/%s", dirname, dent2->d_name);
+ dirname2[DEVPATH_SIZE-1] = '\0';
if (has_devt(dirname2))
device_list_insert(dirname2, "block", &device_list);
@@ -226,42 +232,42 @@ static void udev_scan_block(void)
}
closedir(dir);
}
-
exec_list(&device_list);
}
static void udev_scan_class(void)
{
- char base[MAX_PATH_SIZE];
+ char base[DEVPATH_SIZE];
DIR *dir;
struct dirent *dent;
LIST_HEAD(device_list);
- snprintf(base, MAX_PATH_SIZE, "%s/class", sysfs_path);
- base[MAX_PATH_SIZE-1] = '\0';
+ snprintf(base, DEVPATH_SIZE, "%s/class", sysfs_path);
+ base[DEVPATH_SIZE-1] = '\0';
dir = opendir(base);
if (dir != NULL) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
- char dirname[MAX_PATH_SIZE];
+ char dirname[DEVPATH_SIZE];
DIR *dir2;
struct dirent *dent2;
if (dent->d_name[0] == '.')
continue;
- snprintf(dirname, MAX_PATH_SIZE, "%s/%s", base, dent->d_name);
- dirname[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname, DEVPATH_SIZE, "%s/%s", base, dent->d_name);
+ dirname[DEVPATH_SIZE-1] = '\0';
+
dir2 = opendir(dirname);
if (dir2 != NULL) {
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
- char dirname2[MAX_PATH_SIZE];
+ char dirname2[DEVPATH_SIZE];
if (dent2->d_name[0] == '.')
continue;
- snprintf(dirname2, MAX_PATH_SIZE, "%s/%s", dirname, dent2->d_name);
- dirname2[MAX_PATH_SIZE-1] = '\0';
+ snprintf(dirname2, DEVPATH_SIZE, "%s/%s", dirname, dent2->d_name);
+ dirname2[DEVPATH_SIZE-1] = '\0';
/* pass the net class as it is */
if (strcmp(dent->d_name, "net") == 0)
@@ -274,18 +280,46 @@ static void udev_scan_class(void)
}
closedir(dir);
}
-
exec_list(&device_list);
}
-int udev_start(void)
+static void asmlinkage sig_handler(int signum)
{
- /* set environment for callouts and dev.d/ */
+ switch (signum) {
+ case SIGALRM:
+ exit(1);
+ case SIGINT:
+ case SIGTERM:
+ exit(20 + signum);
+ }
+}
+
+int main(int argc, char *argv[], char *envp[])
+{
+ struct sigaction act;
+
+ udev_init_config();
+
+ /* set signal handlers */
+ memset(&act, 0x00, sizeof(act));
+ act.sa_handler = (void (*) (int))sig_handler;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+ sigaction(SIGALRM, &act, NULL);
+ sigaction(SIGINT, &act, NULL);
+ sigaction(SIGTERM, &act, NULL);
+
+ /* trigger timeout to prevent hanging processes */
+ alarm(ALARM_TIMEOUT);
+
+ /* set environment for executed programs */
setenv("ACTION", "add", 1);
setenv("UDEV_START", "1", 1);
- udev_scan_class();
+ namedev_init();
+
udev_scan_block();
+ udev_scan_class();
return 0;
}