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test the various memory debug flags with #if instead of #ifdef

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so that they can be turned off by passing -DISC_MEM_FOO=0 on the compiler
command line; removed some historical cruft
This commit is contained in:
Andreas Gustafsson 2000-12-01 00:32:02 +00:00
parent 9d2c9f7896
commit c52e5c8ed1
2 changed files with 30 additions and 31 deletions
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32
lib/isc/include/isc/mem.h
View File

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: mem.h,v 1.44 2000/09/05 22:20:36 marka Exp $ */
/* $Id: mem.h,v 1.45 2000/12/01 00:32:02 gson Exp $ */
#ifndef ISC_MEM_H
#define ISC_MEM_H 1
@ -36,26 +36,26 @@ typedef void * (*isc_memalloc_t)(void *, size_t);
typedef void (*isc_memfree_t)(void *, void *);
/*
* ISC_MEM_DEBUG is defined by default; define ISC_MEM_DEBUGOFF to disable it.
* ISC_MEM_DEBUG is enabled by default; set ISC_MEM_DEBUG=0 to disable it.
*/
#if !defined(ISC_MEM_DEBUG) && !defined(ISC_MEM_DEBUGOFF)
#define ISC_MEM_DEBUG
#ifndef ISC_MEM_DEBUG
#define ISC_MEM_DEBUG 1
#endif
/*
* Define ISC_MEM_TRACKLINES to turn on detailed tracing of memory allocation
* Define ISC_MEM_TRACKLINES=1 to turn on detailed tracing of memory allocation
* and freeing by file and line number.
*/
#if 0
#define ISC_MEM_TRACKLINES
#ifndef ISC_MEM_TRACKLINES
#define ISC_MEM_TRACKLINES 0
#endif
/*
* Define ISC_MEM_CHECKOVERRUN to turn on checks for using memory outside
* Define ISC_MEM_CHECKOVERRUN=1 to turn on checks for using memory outside
* the requested space. This will increase the size of each allocation.
*/
#if 0
#define ISC_MEM_CHECKOVERRUN
#ifndef ISC_MEM_CHECKOVERRUN
#define ISC_MEM_CHECKOVERRUN 0
#endif
/*
@ -64,12 +64,16 @@ typedef void (*isc_memfree_t)(void *, void *);
* and the like. On freeing memory, the space is filled with '0xde' for
* the same reasons.
*/
#define ISC_MEM_FILL
#ifndef ISC_MEM_FILL
#define ISC_MEM_FILL 1
#endif
/*
* Define this to turn on memory pool names.
*/
#define ISC_MEMPOOL_NAMES
#ifndef ISC_MEMPOOL_NAMES
#define ISC_MEMPOOL_NAMES 1
#endif
/*
* _DEBUGTRACE
@ -83,7 +87,7 @@ extern unsigned int isc_mem_debugging;
#define ISC_MEM_DEBUGTRACE 0x00000001U
#define ISC_MEM_DEBUGRECORD 0x00000002U
#ifdef ISC_MEM_TRACKLINES
#if ISC_MEM_TRACKLINES
#define _ISC_MEM_FILELINE , __FILE__, __LINE__
#define _ISC_MEM_FLARG , const char *, int
#else
@ -121,7 +125,7 @@ extern unsigned int isc_mem_debugging;
* isc_mem_detach(&mctx);
*/
#ifdef ISC_MEM_DEBUG
#if ISC_MEM_DEBUG
#define isc_mem_put(c, p, s) \
do { \
isc__mem_put((c), (p), (s) _ISC_MEM_FILELINE); \

29
lib/isc/mem.c
View File

@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: mem.c,v 1.66 2000/11/25 06:40:54 marka Exp $ */
/* $Id: mem.c,v 1.67 2000/12/01 00:32:00 gson Exp $ */
#include <config.h>
@ -29,13 +29,8 @@
#include <isc/ondestroy.h>
#include <isc/string.h>
#ifndef ISC_SINGLETHREADED
#include <isc/mutex.h>
#include <isc/util.h>
#else
#define LOCK(l)
#define UNLOCK(l)
#endif
unsigned int isc_mem_debugging = 0;
@ -53,7 +48,7 @@ unsigned int isc_mem_debugging = 0;
/*
* Types.
*/
#ifdef ISC_MEM_TRACKLINES
#if ISC_MEM_TRACKLINES
typedef struct debuglink debuglink_t;
struct debuglink {
ISC_LINK(debuglink_t) link;
@ -124,7 +119,7 @@ struct isc_mem {
isc_mem_water_t water;
void * water_arg;
ISC_LIST(isc_mempool_t) pools;
#ifdef ISC_MEM_TRACKLINES
#if ISC_MEM_TRACKLINES
ISC_LIST(debuglink_t) debuglist;
#endif
};
@ -150,7 +145,7 @@ struct isc_mempool {
/* Stats only. */
unsigned int gets; /* # of requests to this pool */
/* Debugging only. */
#ifdef ISC_MEMPOOL_NAMES
#if ISC_MEMPOOL_NAMES
char name[16]; /* printed name in stats reports */
#endif
};
@ -159,7 +154,7 @@ struct isc_mempool {
* Private Inline-able.
*/
#ifndef ISC_MEM_TRACKLINES
#if ! ISC_MEM_TRACKLINES
#define ADD_TRACE(a, b, c, d, e)
#define DELETE_TRACE(a, b, c, d, e)
#else
@ -542,7 +537,7 @@ mem_getunlocked(isc_mem_t *ctx, size_t size) {
done:
#ifdef ISC_MEM_FILL
#if ISC_MEM_FILL
if (ret != NULL)
memset(ret, 0xbe, new_size); /* Mnemonic for "beef". */
#endif
@ -558,7 +553,7 @@ mem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {
/*
* memput() called on something beyond our upper limit.
*/
#ifdef ISC_MEM_FILL
#if ISC_MEM_FILL
memset(mem, 0xde, size); /* Mnemonic for "dead". */
#endif
(ctx->memfree)(ctx->arg, mem);
@ -570,8 +565,8 @@ mem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {
return;
}
#ifdef ISC_MEM_FILL
#ifdef ISC_MEM_CHECKOVERRUN
#if ISC_MEM_FILL
#if ISC_MEM_CHECKOVERRUN
check_overrun(mem, size, new_size);
#endif
memset(mem, 0xde, new_size); /* Mnemonic for "dead". */
@ -874,7 +869,7 @@ isc_mem_restore(isc_mem_t *ctx) {
return (result);
}
#if defined(ISC_MEM_FILL) && defined(ISC_MEM_CHECKOVERRUN)
#if ISC_MEM_FILL && ISC_MEM_CHECKOVERRUN
static inline void
check_overrun(void *mem, size_t size, size_t new_size) {
unsigned char *cp;
@ -1328,7 +1323,7 @@ isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
mpctx->freemax = 1;
mpctx->fillcount = 1;
mpctx->gets = 0;
#ifdef ISC_MEMPOOL_NAMES
#if ISC_MEMPOOL_NAMES
mpctx->name[0] = 0;
#endif
mpctx->items = NULL;
@ -1346,7 +1341,7 @@ void
isc_mempool_setname(isc_mempool_t *mpctx, const char *name) {
REQUIRE(name != NULL);
#ifdef ISC_MEMPOOL_NAMES
#if ISC_MEMPOOL_NAMES
if (mpctx->lock != NULL)
LOCK(mpctx->lock);