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Add log_errno to set a specific errno and replace log_error in due course.

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This commit is contained in:
Alasdair Kergon 2009-07-16 00:52:06 +00:00
parent d917192f00
commit 9fac443591
5 changed files with 16 additions and 6 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.50 -
================================
Add log_errno to set a specific errno and replace log_error in due course.
Add lvm_errno and lvm_errmsg to liblvm to obtain failure information.
Change create_toolcontext to still return an object if it fails part-way.
Add EUNCLASSIFIED (-1) as the default LVM errno code.

3
lib/log/log.h
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@ -16,6 +16,8 @@
#ifndef _LVM_LOG_H
#define _LVM_LOG_H
#include <errno.h>
/*
* printf()-style macros to use for messages:
*
@ -62,6 +64,7 @@
#define log_verbose(args...) log_notice(args)
#define log_print(args...) LOG_LINE(_LOG_WARN, args)
#define log_error(args...) log_err(args)
#define log_errno(args...) LOG_LINE_WITH_ERRNO(_LOG_ERR, args)
/* System call equivalents */
#define log_sys_error(x, y) \

9
lib/log/lvm-logging.h
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@ -16,12 +16,17 @@
#ifndef _LVM_LOGGING_H
#define _LVM_LOGGING_H
#define EUNCLASSIFIED -1 /* Generic error code */
void print_log(int level, const char *file, int line, int dm_errno,
const char *format, ...)
__attribute__ ((format(printf, 5, 6)));
#define EUNCLASSIFIED -1 /* Generic error code */
#define LOG_LINE(l, x...) print_log(l, __FILE__, __LINE__ , EUNCLASSIFIED, ## x)
#define LOG_LINE(l, x...) \
print_log(l, __FILE__, __LINE__ , EUNCLASSIFIED, ## x)
#define LOG_LINE_WITH_ERRNO(l, e, x...) \
print_log(l, __FILE__, __LINE__ , e, ## x)
#include "log.h"

7
libdm/misc/dm-logging.h
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@ -21,15 +21,16 @@
extern dm_log_fn dm_log;
extern dm_log_with_errno_fn dm_log_with_errno;
#define LOG_MESG(l, f, ln, x...) \
#define LOG_MESG(l, f, ln, e, x...) \
do { \
if (dm_log_is_non_default()) \
dm_log(l, f, ln, ## x); \
else \
dm_log_with_errno(l, f, ln, 0, ## x); \
dm_log_with_errno(l, f, ln, e, ## x); \
} while (0)
#define LOG_LINE(l, x...) LOG_MESG(l, __FILE__, __LINE__, ## x)
#define LOG_LINE(l, x...) LOG_MESG(l, __FILE__, __LINE__, 0, ## x)
#define LOG_LINE_WITH_ERRNO(l, e, x...) LOG_MESG(l, __FILE__, __LINE__, e, ## x)
#include "log.h"

2
libdm/mm/dbg_malloc.c
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@ -205,7 +205,7 @@ int dm_dump_memory_debug(void)
}
str[sizeof(str) - 1] = '\0';
LOG_MESG(_LOG_INFO, mb->file, mb->line,
LOG_MESG(_LOG_INFO, mb->file, mb->line, 0,
"block %d at %p, size %" PRIsize_t "\t [%s]",
mb->id, mb->magic, mb->length, str);
tot += mb->length;