diff options
Diffstat (limited to 'lib/memory.h')
| -rw-r--r-- | lib/memory.h | 77 |
1 files changed, 55 insertions, 22 deletions
diff --git a/lib/memory.h b/lib/memory.h index 4fccb079..0585307b 100644 --- a/lib/memory.h +++ b/lib/memory.h @@ -21,27 +21,37 @@ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA #ifndef _ZEBRA_MEMORY_H #define _ZEBRA_MEMORY_H -#include <stddef.h> - -/* For pretty printing of memory allocate information. */ -struct memory_list +#include "misc.h" + +/*------------------------------------------------------------------------------ + * The file "lib/memtypes.h is created automatically (in the make) from + * memtypes.c, and contains a large enum which defines all the memory type + * names. + * + * The file memtypes.c contains a number of arrays of struct memory_list, which + * map memory type names to a string, for printing. Those arrays are + * collected together in an array of struvt mlist. + */ +struct memory_list /* one per memory type */ { int index; const char *format; }; -struct mlist { +struct mlist { /* one per class of memory types */ struct memory_list *list; const char *name; }; -extern struct mlist mlists[]; +extern struct mlist mlists[]; /* all classes of memory */ #include "lib/memtypes.h" typedef enum MTYPE mtype_t ; -/* #define MEMORY_LOG */ +/*------------------------------------------------------------------------------ + * Option for logging memory operations. + */ #ifdef MEMORY_LOG #define XMALLOC(mtype, size) \ mtype_zmalloc (__FILE__, __LINE__, (mtype), (size)) @@ -58,38 +68,61 @@ typedef enum MTYPE mtype_t ; mtype_zstrdup (__FILE__, __LINE__, (mtype), (str)) #else -#ifdef MEMORY_TRACKER /* Can be forced from outside */ -# if MEMORY_TRACKER -# define MEMORY_TRACKER 1 /* Force 1 or 0 */ -#else -# define MEMORY_TRACKER 0 +/*------------------------------------------------------------------------------ + * Sort out MEMORY_TRACKER -- option to keep track of memory allocation. + * + * Set to 1 if defined, but blank. + * Set to QDEBUG if not defined. + * + * Force to 0 if NO_MEMORY_TRACKER is defined and not zero. + * + * So: defaults to same as QDEBUG, but no matter what QDEBUG is set to: + * + * * can set MEMORY_TRACKER == 0 to turn off debug + * * or set MEMORY_TRACKER != 0 to turn on debug + * * or set VTY_NO_DEBUG != to force debug off + */ + +#ifdef MEMORY_TRACKER /* If defined, make it 1 or 0 */ +# if IS_BLANK_OPTION(MEMORY_TRACKER) +# undef MEMORY_TRACKER +# define MEMORY_TRACKER 1 # endif -#else -# ifdef QDEBUG -# define MEMORY_TRACKER 1 /* Follow QDEBUG */ -#else +#else /* If not defined, follow QDEBUG */ +# define MEMORY_TRACKER QDEBUG +#endif + +#ifdef NO_MEMORY_TRACKER /* Override, if defined. */ +# if IS_NOT_ZERO_OPTION(VTY_NO_DEBUG) +# undef MEMORY_TRACKER # define MEMORY_TRACKER 0 # endif #endif +enum { memory_tracker = MEMORY_TRACKER } ; + #if MEMORY_TRACKER -#define MEMORY_TRACKER_NAME , const char* name -#define MEMORY_TRACKER_FUNC , __func__ +#define MEMORY_TRACKER_NAME_ARG name +#define MEMORY_TRACKER_NAME , const char* MEMORY_TRACKER_NAME_ARG +#define MEMORY_TRACKER_FUNC , __func__ #else +#define MEMORY_TRACKER_NAME_ARG "*dummy*" #define MEMORY_TRACKER_NAME #define MEMORY_TRACKER_FUNC #endif +/*------------------------------------------------------------------------------ + * The macros used for all Quagga dynamic memory. + */ + #define XMALLOC(mtype, size) zmalloc ((mtype), (size) \ MEMORY_TRACKER_FUNC) #define XCALLOC(mtype, size) zcalloc ((mtype), (size) \ MEMORY_TRACKER_FUNC) #define XREALLOC(mtype, ptr, size) zrealloc ((mtype), (ptr), (size) \ MEMORY_TRACKER_FUNC) -#define XFREE(mtype, ptr) do { \ - zfree ((mtype), (ptr)); \ - ptr = NULL; } \ - while (0) +#define XFREE(mtype, ptr) do { zfree ((mtype), (ptr)); \ + ptr = NULL; } while (0) #define XSTRDUP(mtype, str) zstrdup ((mtype), (str) \ MEMORY_TRACKER_FUNC) |