remove precompiled rules option

It was a workaround for speed up udev "coldplug", where ~800 events
happened a second time during bootup. No need for it with the rules
aleady parsed in the daemon.

Signed-off-by: Kay Sievers <kay.sievers@suse.de>
This commit is contained in:
Kay Sievers 2005-11-05 20:00:31 +01:00
parent 3904a75817
commit 287814b23c
8 changed files with 8 additions and 139 deletions

View file

@ -50,7 +50,6 @@ PROGRAMS = \
udev \
udevd \
udevsend \
udevrulescompile \
udevinitsend \
udeveventrecorder \
udevcontrol \

2
udev.c
View file

@ -132,7 +132,7 @@ int main(int argc, char *argv[], char *envp[])
}
udev_init_device(&udev, devpath, subsystem, action);
udev_rules_init(&rules, 1, 0);
udev_rules_init(&rules, 0);
retval = udev_process_event(&rules, &udev);

View file

@ -100,11 +100,10 @@ struct udev_rules {
char *buf;
size_t bufsize;
size_t current;
int mapped;
int resolve_names;
};
extern int udev_rules_init(struct udev_rules *rules, int read_compiled, int resolve_names);
extern int udev_rules_init(struct udev_rules *rules, int resolve_names);
extern void udev_rules_close(struct udev_rules *rules);
extern void udev_apply_format(struct udevice *udev, char *string, size_t maxsize,

View file

@ -591,42 +591,14 @@ static int parse_file(struct udev_rules *rules, const char *filename)
return retval;
}
static int rules_map(struct udev_rules *rules, const char *filename)
int udev_rules_init(struct udev_rules *rules, int resolve_names)
{
if (file_map(filename, &rules->buf, &rules->bufsize)) {
rules->buf = NULL;
return -1;
}
if (rules->bufsize == 0) {
file_unmap(rules->buf, rules->bufsize);
rules->buf = NULL;
return -1;
}
rules->mapped = 1;
return 0;
}
int udev_rules_init(struct udev_rules *rules, int read_compiled, int resolve_names)
{
char comp[PATH_SIZE];
struct stat stats;
int retval;
memset(rules, 0x00, sizeof(struct udev_rules));
rules->resolve_names = resolve_names;
/* check for precompiled rules */
if (read_compiled) {
strlcpy(comp, udev_rules_filename, sizeof(comp));
strlcat(comp, ".compiled", sizeof(comp));
if (stat(comp, &stats) == 0) {
dbg("map compiled rules '%s'", comp);
if (rules_map(rules, comp) == 0)
return 0;
}
}
/* parse rules file or all matching files in directory */
if (stat(udev_rules_filename, &stats) != 0)
return -1;
@ -660,11 +632,7 @@ int udev_rules_init(struct udev_rules *rules, int read_compiled, int resolve_nam
void udev_rules_close(struct udev_rules *rules)
{
if (rules->buf) {
if (rules->mapped) {
rules->mapped = 0;
file_unmap(rules->buf, rules->bufsize);
} else
free(rules->buf);
free(rules->buf);
rules->buf = NULL;
}
}

View file

@ -880,7 +880,7 @@ int main(int argc, char *argv[], char *envp[])
}
/* parse the rules and keep it in memory */
udev_rules_init(&rules, 0, 1);
udev_rules_init(&rules, 1);
if (daemonize) {
pid_t pid;
@ -1065,7 +1065,7 @@ int main(int argc, char *argv[], char *envp[])
if (reload_config) {
reload_config = 0;
udev_rules_close(&rules);
udev_rules_init(&rules, 0, 1);
udev_rules_init(&rules, 1);
}
/* forked child have returned */

View file

@ -1,97 +0,0 @@
/*
* udevrulescompile.c - store already parsed config on disk
*
* Copyright (C) 2005 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 <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include "udev_libc_wrapper.h"
#include "udev_sysfs.h"
#include "udev.h"
#include "udev_version.h"
#include "logging.h"
#include "udev_rules.h"
#include "udev_utils.h"
#include "list.h"
#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[])
{
struct udev_rules rules;
FILE *f;
char comp[PATH_SIZE];
char comp_tmp[PATH_SIZE];
int retval = 0;
logging_init("udevrulescompile");
udev_init_config();
dbg("version %s", UDEV_VERSION);
strlcpy(comp, udev_rules_filename, sizeof(comp));
strlcat(comp, ".compiled", sizeof(comp));
strlcpy(comp_tmp, comp, sizeof(comp_tmp));
strlcat(comp_tmp, ".tmp", sizeof(comp_tmp));
/* remove old version, otherwise we would read it instead of the real rules */
unlink(comp);
unlink(comp_tmp);
udev_rules_init(&rules, 0, 1);
f = fopen(comp_tmp, "w");
if (f == NULL) {
err("unable to create db file '%s'", comp_tmp);
unlink(comp_tmp);
retval = 1;
goto exit;
}
dbg("storing compiled rules in '%s' size=%zi", comp_tmp, rules.bufsize);
fwrite(rules.buf, rules.bufsize, 1, f);
fclose(f);
dbg("activating compiled rules in '%s'", comp);
if (rename(comp_tmp, comp) != 0) {
err("unable to write file");
unlink(comp);
unlink(comp_tmp);
retval = 2;
}
exit:
logging_close();
return retval;
}

View file

@ -364,7 +364,7 @@ int main(int argc, char *argv[], char *envp[])
/* trigger timeout to prevent hanging processes */
alarm(UDEV_ALARM_TIMEOUT);
udev_rules_init(&rules, 0, 1);
udev_rules_init(&rules, 1);
udev_scan_class(&device_list);
udev_scan_block(&device_list);

View file

@ -92,7 +92,7 @@ int main(int argc, char *argv[], char *envp[])
info("looking at device '%s' from subsystem '%s'", devpath, subsystem);
/* initialize the naming deamon */
udev_rules_init(&rules, 0, 0);
udev_rules_init(&rules, 0);
/* fill in values and test_run flag*/
udev_init_device(&udev, devpath, subsystem, "add");