X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=util%2Fnmem.c;h=ea9a9b88a73c528b4820e7743ecf10592d7ff878;hp=9df63472f545d8faf7ebe7a500e342fde097c419;hb=a7827306d9d9fd634a4b4336944bee781fa61e32;hpb=eb0f67241481fb645a377b1c5df9683f8f1bd2fb diff --git a/util/nmem.c b/util/nmem.c index 9df6347..ea9a9b8 100644 --- a/util/nmem.c +++ b/util/nmem.c @@ -4,7 +4,15 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: nmem.c,v $ - * Revision 1.4 1997-09-29 07:12:50 adam + * Revision 1.6 1997-10-31 12:20:09 adam + * Improved memory debugging for xmalloc/nmem.c. References to NMEM + * instead of ODR in n ESPEC-1 handling in source d1_espec.c. + * Bug fix: missing fclose in data1_read_espec1. + * + * Revision 1.5 1997/10/06 09:09:52 adam + * Function mmem_exit releases memory used by the freelists. + * + * Revision 1.4 1997/09/29 07:12:50 adam * NMEM thread safe. NMEM must be initialized before use (sigh) - * routine nmem_init/nmem_exit implemented. * @@ -27,6 +35,7 @@ #include #include +#include #ifdef WINDOWS #include #endif @@ -44,6 +53,7 @@ static CRITICAL_SECTION critical_section; static nmem_block *freelist = NULL; /* "global" freelists */ static nmem_control *cfreelist = NULL; +static int nmem_active_no = 0; static void free_block(nmem_block *p) { @@ -124,32 +134,51 @@ int nmem_total(NMEM n) return n->total; } +#if NMEM_DEBUG +NMEM nmem_create_f(const char *file, int line) +#else NMEM nmem_create(void) +#endif { NMEM r; NMEM_ENTER; + nmem_active_no++; r = cfreelist; if (r) cfreelist = cfreelist->next; else r = xmalloc(sizeof(*r)); NMEM_LEAVE; + +#if NMEM_DEBUG + logf (LOG_DEBUG, "%s:%d: nmem_create %d p=%p", file, line, + nmem_active_no-1, r); +#endif r->blocks = 0; r->total = 0; r->next = 0; return r; } +#if NMEM_DEBUG +void nmem_destroy_f(const char *file, int line, NMEM n) +#else void nmem_destroy(NMEM n) +#endif { if (!n) return; nmem_reset(n); NMEM_ENTER; + nmem_active_no--; n->next = cfreelist; cfreelist = n; NMEM_LEAVE; +#if NMEM_DEBUG + logf (LOG_DEBUG, "%s:%d: nmem_destroy %d p=%p", file, line, + nmem_active_no, n); +#endif } void nmem_init (void) @@ -157,12 +186,26 @@ void nmem_init (void) #ifdef WINDOWS InitializeCriticalSection(&critical_section); #endif + nmem_active_no = 0; freelist = NULL; cfreelist = NULL; } void nmem_exit (void) { + while (freelist) + { + struct nmem_block *fl = freelist; + freelist = freelist->next; + xfree (fl->buf); + xfree (fl); + } + while (cfreelist) + { + struct nmem_control *cfl = cfreelist; + cfreelist = cfreelist->next; + xfree (cfl); + } #ifdef WINDOWS DeleteCriticalSection(&critical_section); #endif