X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=util%2Fnmem.c;h=418962ab3ae98bd05d42f84b14bb5216138c4429;hp=244dc6b11ab83ed2f43db3adb3effaec7dbc2d75;hb=9fc822fe67ef4f5a898d9a85fbae7dd9a3435023;hpb=81503ca4c08bfaf4eb6782a9207cc33fa941a442 diff --git a/util/nmem.c b/util/nmem.c index 244dc6b..418962a 100644 --- a/util/nmem.c +++ b/util/nmem.c @@ -4,7 +4,13 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: nmem.c,v $ - * Revision 1.8 1998-07-03 14:21:27 adam + * Revision 1.10 1998-07-20 12:35:57 adam + * Added more memory diagnostics (when NMEM_DEBUG is 1). + * + * Revision 1.9 1998/07/07 15:49:01 adam + * Reduced chunk size. + * + * Revision 1.8 1998/07/03 14:21:27 adam * Added critical sections for pthreads-library. Thanks to Ian Ibbotson, * Fretwell Downing Informatics. * @@ -49,7 +55,7 @@ #include #endif -#define NMEM_CHUNK (10*1024) +#define NMEM_CHUNK (4*1024) #ifdef WINDOWS static CRITICAL_SECTION critical_section; @@ -72,6 +78,9 @@ static void free_block(nmem_block *p) { p->next = freelist; freelist = p; +#if NMEM_DEBUG + logf (LOG_DEBUG, "nmem free_block p=%p", p); +#endif } /* @@ -81,20 +90,31 @@ static nmem_block *get_block(int size) { nmem_block *r, *l; +#if NMEM_DEBUG + logf (LOG_DEBUG, "nmem get_block size=%d", size); +#endif for (r = freelist, l = 0; r; l = r, r = r->next) if (r->size >= size) break; if (r) + { +#if NMEM_DEBUG + logf (LOG_DEBUG, "nmem get_block found free block p=%p", r); +#endif if (l) l->next = r->next; else freelist = r->next; + } else { int get = NMEM_CHUNK; if (get < size) get = size; +#if NMEM_DEBUG + logf (LOG_DEBUG, "nmem get_block alloc new block size=%d", get); +#endif r = (nmem_block *)xmalloc(sizeof(*r)); r->buf = (char *)xmalloc(r->size = get); } @@ -106,6 +126,9 @@ void nmem_reset(NMEM n) { nmem_block *t; +#if NMEM_DEBUG + logf (LOG_DEBUG, "nmem_reset p=%p", n); +#endif if (!n) return; NMEM_ENTER; @@ -119,11 +142,19 @@ void nmem_reset(NMEM n) n->total = 0; } +#if NMEM_DEBUG +void *nmem_malloc_f (const char *file, int line, NMEM n, int size) +#else void *nmem_malloc(NMEM n, int size) +#endif { struct nmem_block *p; char *r; +#if NMEM_DEBUG + logf (LOG_DEBUG, "%s:%d: nmem_malloc p=%p size=%d", file, line, + n, size); +#endif if (!n) return xmalloc(size); NMEM_ENTER;