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[PATCH] rework the logging code so that each program logs with the proper name in the syslog.

This commit is contained in:
greg@kroah.com 2004-02-02 08:19:41 -08:00 committed by Greg KH
parent 3a7798f471
commit 95a6f4c8ac
7 changed files with 40 additions and 16 deletions
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11
Makefile
View File

@ -195,7 +195,6 @@ OBJS = udev_config.o \
udev-add.o \
udev-remove.o \
udevdb.o \
logging.o \
namedev.o \
namedev_parse.o \
$(SYSFS) \
@ -254,15 +253,15 @@ $(ROOT): udev.o $(OBJS) $(HEADERS) $(GEN_HEADERS)
$(STRIPCMD) $@
$(HELPER): udevinfo.o $(OBJS) $(HEADERS)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevinfo.o logging.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevinfo.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(DAEMON): udevd.h udevd.o udevd.o logging.o
$(LD) $(LDFLAGS) -lpthread -o $@ $(CRT0) udevd.o logging.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(DAEMON): udevd.h udevd.o
$(LD) $(LDFLAGS) -lpthread -o $@ $(CRT0) udevd.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
$(SENDER): udevd.h udevsend.o udevd.o logging.o
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevsend.o logging.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(SENDER): udevd.h udevsend.o
$(LD) $(LDFLAGS) -o $@ $(CRT0) udevsend.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
$(STRIPCMD) $@
clean:

6
libsysfs/sysfs.h
View File

@ -34,7 +34,7 @@
/* Debugging */
#ifdef DEBUG
#include <syslog.h>
#include "../logging.h"
#define dprintf(format, arg...) \
do { \
log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg); \
@ -43,8 +43,4 @@
#define dprintf(format, arg...) do { } while (0)
#endif
extern int log_message (int level, const char *format, ...)
__attribute__ ((format (printf, 2, 3)));
#endif /* _SYSFS_H_ */

28
logging.h
View File

@ -1,9 +1,9 @@
/*
* logging.h
*
* Userspace devfs
* Simple logging functions that can be compiled away into nothing.
*
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
@ -29,6 +29,7 @@
#define dbg_parse(format, arg...) do { } while (0)
#ifdef LOG
#include <stdarg.h>
#include <syslog.h>
#undef info
@ -54,9 +55,26 @@
} while (0)
#endif
static void log_message (int level, const char *format, ...)
__attribute__ ((format (printf, 2, 3)));
static inline void log_message (int level, const char *format, ...)
{
va_list args;
va_start(args, format);
vsyslog(level, format, args);
va_end(args);
}
/* each program must declare this variable somewhere */
extern unsigned char logname[42];
static inline void init_logging(char *program_name)
{
snprintf(logname, 42,"%s[%d]", program_name, getpid());
openlog(logname, 0, LOG_DAEMON);
}
#endif /* LOG */
extern int log_message (int level, const char *format, ...)
__attribute__ ((format (printf, 2, 3)));
#endif

2
udev.c
View File

@ -38,6 +38,7 @@
/* global variables */
char **main_argv;
char **main_envp;
unsigned char logname[42];
static void sig_handler(int signum)
{
@ -174,6 +175,7 @@ int main(int argc, char **argv, char **envp)
main_argv = argv;
main_envp = envp;
init_logging("udev");
dbg("version %s", UDEV_VERSION);
return udev_hotplug(argc, argv);

3
udevd.c
View File

@ -42,6 +42,7 @@
#include "logging.h"
unsigned char logname[42];
static pthread_mutex_t msg_lock;
static pthread_mutex_t msg_active_lock;
static pthread_cond_t msg_active;
@ -354,6 +355,8 @@ int main(int argc, char *argv[])
pthread_t mgr_exec_tid;
int retval;
init_logging("udevd");
/* only let one version of the daemon run at any one time */
if (one_and_only() != 0)
exit(0);

3
udevinfo.c
View File

@ -38,6 +38,7 @@
char **main_argv;
int main_argc;
unsigned char logname[42];
static int print_all_attributes(const char *path)
{
@ -412,6 +413,8 @@ int main(int argc, char *argv[], char *envp[])
main_argv = argv;
main_argc = argc;
init_logging("udevinfo");
/* initialize our configuration */
udev_init_config();

3
udevsend.c
View File

@ -40,6 +40,7 @@
#include "udevd.h"
#include "logging.h"
unsigned char logname[42];
static inline char *get_action(void)
{
@ -126,6 +127,8 @@ int main(int argc, char* argv[])
int sock;
struct sockaddr_un saddr;
init_logging("udevsend");
subsystem = argv[1];
if (subsystem == NULL) {
dbg("no subsystem");