#define MIN_BUC_POW2 (sizeof(void*) > 4 ? 3 : 2) /* Allow for 4-byte arena. */
#define MIN_BUCKET (MIN_BUC_POW2 * BUCKETS_PER_POW2)
-#if !(defined(I286) || defined(atarist))
- /* take 2k unless the block is bigger than that */
-# define LOG_OF_MIN_ARENA 11
-#else
- /* take 16k unless the block is bigger than that
- (80286s like large segments!), probably good on the atari too */
-# define LOG_OF_MIN_ARENA 14
-#endif
+#define LOG_OF_MIN_ARENA 11
#if defined(DEBUGGING) && !defined(NO_RCHECK)
# define RCHECK
# define PERL_MAYBE_ALIVE 1
#endif
+#ifndef MYMALLOC
+# error "MYMALLOC is not defined"
+#endif
+
#ifndef MUTEX_LOCK
# define MUTEX_LOCK(l)
#endif
*/
#define u_short unsigned short
-/* 286 and atarist like big chunks, which gives too much overhead. */
-#if (defined(RCHECK) || defined(I286) || defined(atarist)) && defined(PACK_MALLOC)
+#if defined(RCHECK) && defined(PACK_MALLOC)
# undef PACK_MALLOC
#endif
char c;
void *p;
};
-# define ALIGN_SMALL ((int)((caddr_t)&(((struct aligner*)0)->p)))
+# define ALIGN_SMALL ((IV)((caddr_t)&(((struct aligner*)0)->p)))
#else
# define ALIGN_SMALL MEM_ALIGNBYTES
#endif
# define POW2_OPTIMIZE_SURPLUS(bucket) 0
#endif /* !TWO_POT_OPTIMIZE */
-#ifdef HAS_64K_LIMIT
-# define BARK_64K_LIMIT(what,nbytes,size) \
- if (nbytes > 0xffff) { \
- PerlIO_printf(PerlIO_stderr(), \
- "%s too large: %lx\n", what, size); \
- my_exit(1); \
- }
-#else /* !HAS_64K_LIMIT */
-# define BARK_64K_LIMIT(what,nbytes,size)
-#endif /* !HAS_64K_LIMIT */
+#define BARK_64K_LIMIT(what,nbytes,size)
#ifndef MIN_SBRK
# define MIN_SBRK 2048
# define SBRK_FAILURE_PRICE 50
#endif
-static void morecore (register int bucket);
+static void morecore (int bucket);
# if defined(DEBUGGING)
static void botch (const char *diag, const char *s, const char *file, int line);
# endif
return pv;
}
-/* Returns 0 on success, -1 on bad alignment, -2 if not implemented */
-int
-set_emergency_buffer(char *b, IV size)
-{
- if (PTR2UV(b) & (NEEDED_ALIGNMENT - 1))
- return -1;
- if (MallocCfg[MallocCfg_emergency_buffer_prepared_size])
- add_to_chain((void*)emergency_buffer_prepared,
- MallocCfg[MallocCfg_emergency_buffer_prepared_size], 0);
- emergency_buffer_prepared = b;
- MallocCfg[MallocCfg_emergency_buffer_prepared_size] = size;
- return 0;
-}
# define GET_EMERGENCY_BUFFER(p) get_emergency_buffer(p)
# else /* NO_MALLOC_DYNAMIC_CFG */
# define GET_EMERGENCY_BUFFER(p) NULL
-int
-set_emergency_buffer(char *b, IV size)
-{
- return -1;
-}
# endif
static Malloc_t
/* Give the possibility to recover, but avoid an infinite cycle. */
MALLOC_UNLOCK;
emergency_buffer_last_req = size;
- emergency_sbrk_croak("Out of memory during \"large\" request for %"UVuf" bytes, total sbrk() is %"UVuf" bytes", (UV)size, (UV)(goodsbrk + sbrk_slack));
+ emergency_sbrk_croak("Out of memory during \"large\" request for %" UVuf
+ " bytes, total sbrk() is %" UVuf " bytes",
+ (UV)size, (UV)(goodsbrk + sbrk_slack));
}
if ((MEM_SIZE)emergency_buffer_size >= rsize) {
}
do_croak:
MALLOC_UNLOCK;
- emergency_sbrk_croak("Out of memory during request for %"UVuf" bytes, total sbrk() is %"UVuf" bytes", (UV)size, (UV)(goodsbrk + sbrk_slack));
- assert(0); /* NOTREACHED */
+ emergency_sbrk_croak("Out of memory during request for %" UVuf
+ " bytes, total sbrk() is %" UVuf " bytes",
+ (UV)size, (UV)(goodsbrk + sbrk_slack));
+ NOT_REACHED; /* NOTREACHED */
return NULL;
}
# define emergency_sbrk(size) -1
#endif /* defined PERL_EMERGENCY_SBRK */
-static void
-write2(const char *mess)
-{
- write(2, mess, strlen(mess));
-}
+/* Don't use PerlIO buffered writes as they allocate memory. */
+#define MYMALLOC_WRITE2STDERR(s) PERL_UNUSED_RESULT(PerlLIO_write(PerlIO_fileno(PerlIO_stderr()),s,strlen(s)))
#ifdef DEBUGGING
#undef ASSERT
"assertion botched (%s?): %s %s:%d\n",
diag, s, file, line) != 0) {
do_write: /* Can be initializing interpreter */
- write2("assertion botched (");
- write2(diag);
- write2("?): ");
- write2(s);
- write2(" (");
- write2(file);
- write2(":");
+ MYMALLOC_WRITE2STDERR("assertion botched (");
+ MYMALLOC_WRITE2STDERR(diag);
+ MYMALLOC_WRITE2STDERR("?): ");
+ MYMALLOC_WRITE2STDERR(s);
+ MYMALLOC_WRITE2STDERR(" (");
+ MYMALLOC_WRITE2STDERR(file);
+ MYMALLOC_WRITE2STDERR(":");
{
char linebuf[10];
char *s = linebuf + sizeof(linebuf) - 1;
do {
*--s = '0' + (n % 10);
} while (n /= 10);
- write2(s);
+ MYMALLOC_WRITE2STDERR(s);
}
- write2(")\n");
+ MYMALLOC_WRITE2STDERR(")\n");
}
PerlProc_abort();
}
# define FILLCHECK_DEADBEEF(s, n) ((void)0)
#endif
-int
-S_ajust_size_and_find_bucket(size_t *nbytes_p)
+STATIC int
+S_adjust_size_and_find_bucket(size_t *nbytes_p)
{
- MEM_SIZE shiftr;
+ MEM_SIZE shiftr;
int bucket;
- size_t nbytes = *nbytes_p;
+ size_t nbytes;
+
+ PERL_ARGS_ASSERT_ADJUST_SIZE_AND_FIND_BUCKET;
+
+ nbytes = *nbytes_p;
/*
* Convert amount of memory requested into
Perl_malloc(size_t nbytes)
{
dVAR;
- register union overhead *p;
- register int bucket;
+ union overhead *p;
+ int bucket;
#if defined(DEBUGGING) || defined(RCHECK)
MEM_SIZE size = nbytes;
croak("%s", "panic: malloc");
#endif
- bucket = S_ajust_size_and_find_bucket(&nbytes);
+ bucket = adjust_size_and_find_bucket(&nbytes);
MALLOC_LOCK;
/*
* If nothing in hash bucket right now,
dTHX;
if (!PL_nomemok) {
#if defined(PLAIN_MALLOC) && defined(NO_FANCY_MALLOC)
- PerlIO_puts(PerlIO_stderr(),"Out of memory!\n");
+ MYMALLOC_WRITE2STDERR("Out of memory!\n");
#else
char buff[80];
char *eb = buff + sizeof(buff) - 1;
char *s = eb;
size_t n = nbytes;
- PerlIO_puts(PerlIO_stderr(),"Out of memory during request for ");
+ MYMALLOC_WRITE2STDERR("Out of memory during request for ");
#if defined(DEBUGGING) || defined(RCHECK)
n = size;
#endif
do {
*--s = '0' + (n % 10);
} while (n /= 10);
- PerlIO_puts(PerlIO_stderr(),s);
- PerlIO_puts(PerlIO_stderr()," bytes, total sbrk() is ");
+ MYMALLOC_WRITE2STDERR(s);
+ MYMALLOC_WRITE2STDERR(" bytes, total sbrk() is ");
s = eb;
n = goodsbrk + sbrk_slack;
do {
*--s = '0' + (n % 10);
} while (n /= 10);
- PerlIO_puts(PerlIO_stderr(),s);
- PerlIO_puts(PerlIO_stderr()," bytes!\n");
+ MYMALLOC_WRITE2STDERR(s);
+ MYMALLOC_WRITE2STDERR(" bytes!\n");
#endif /* defined(PLAIN_MALLOC) && defined(NO_FANCY_MALLOC) */
my_exit(1);
}
|| (p && PTR2UV(p) < (1<<LOG_OF_MIN_ARENA)) ) {
dTHX;
PerlIO_printf(PerlIO_stderr(),
- "Unaligned pointer in the free chain 0x%"UVxf"\n",
+ "Unaligned pointer in the free chain 0x%" UVxf "\n",
PTR2UV(p));
}
if ( (PTR2UV(p->ov_next) & (MEM_ALIGNBYTES - 1))
dTHX;
PerlIO_printf(PerlIO_stderr(),
"Unaligned \"next\" pointer in the free "
- "chain 0x%"UVxf" at 0x%"UVxf"\n",
+ "chain 0x%" UVxf " at 0x%" UVxf "\n",
PTR2UV(p->ov_next), PTR2UV(p));
}
#endif
MALLOC_UNLOCK;
DEBUG_m(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf": (%05lu) malloc %ld bytes\n",
+ "0x% "UVxf ": (%05lu) malloc %ld bytes\n",
PTR2UV((Malloc_t)(p + CHUNK_SHIFT)), (unsigned long)(PL_an++),
(long)size));
require = FIRST_SBRK;
else if (require < (MEM_SIZE)MIN_SBRK) require = MIN_SBRK;
- if (require < goodsbrk * MIN_SBRK_FRAC1000 / 1000)
+ if (require < (Size_t)(goodsbrk * MIN_SBRK_FRAC1000 / 1000))
require = goodsbrk * MIN_SBRK_FRAC1000 / 1000;
require = ((require - 1 + MIN_SBRK) / MIN_SBRK) * MIN_SBRK;
} else {
/* Second, check alignment. */
slack = 0;
-#if !defined(atarist) /* on the atari we dont have to worry about this */
-# ifndef I286 /* The sbrk(0) call on the I286 always returns the next segment */
/* WANTED_ALIGNMENT may be more than NEEDED_ALIGNMENT, but this may
improve performance of memory access. */
if (PTR2UV(cp) & (WANTED_ALIGNMENT - 1)) { /* Not aligned. */
slack = WANTED_ALIGNMENT - (PTR2UV(cp) & (WANTED_ALIGNMENT - 1));
add += slack;
}
-# endif
-#endif /* !atarist */
if (add) {
DEBUG_m(PerlIO_printf(Perl_debug_log,
- "sbrk(%ld) to fix non-continuous/off-page sbrk:\n\t%ld for alignement,\t%ld were assumed to come from the tail of the previous sbrk\n",
+ "sbrk(%ld) to fix non-continuous/off-page sbrk:\n\t%ld for alignment,\t%ld were assumed to come from the tail of the previous sbrk\n",
(long)add, (long) slack,
(long) sbrked_remains));
newcp = (char *)sbrk(add);
fatalcroak("Misalignment of sbrk()\n");
else
# endif
-#ifndef I286 /* Again, this should always be ok on an 80286 */
if (PTR2UV(ovp) & (MEM_ALIGNBYTES - 1)) {
DEBUG_m(PerlIO_printf(Perl_debug_log,
"fixing sbrk(): %d bytes off machine alignment\n",
sbrk_slack += (1 << (bucket >> BUCKET_POW2_SHIFT));
# endif
}
-#endif
; /* Finish "else" */
sbrked_remains = require - needed;
last_op = cp;
* Allocate more memory to the indicated bucket.
*/
static void
-morecore(register int bucket)
+morecore(int bucket)
{
dVAR;
- register union overhead *ovp;
- register int rnu; /* 2^rnu bytes will be requested */
+ union overhead *ovp;
+ int rnu; /* 2^rnu bytes will be requested */
int nblks; /* become nblks blocks of the desired size */
- register MEM_SIZE siz, needed;
+ MEM_SIZE siz, needed;
static int were_called = 0;
if (nextf[bucket])
}
}
if (t && *t) {
- write2("Unrecognized part of PERL_MALLOC_OPT: \"");
- write2(t);
- write2("\"\n");
+ dTHX;
+ MYMALLOC_WRITE2STDERR("Unrecognized part of PERL_MALLOC_OPT: \"");
+ MYMALLOC_WRITE2STDERR(t);
+ MYMALLOC_WRITE2STDERR("\"\n");
}
if (changed)
MallocCfg[MallocCfg_cfg_env_read] = 1;
Perl_mfree(Malloc_t where)
{
dVAR;
- register MEM_SIZE size;
- register union overhead *ovp;
+ MEM_SIZE size;
+ union overhead *ovp;
char *cp = (char*)where;
#ifdef PACK_MALLOC
u_char bucket;
#endif
DEBUG_m(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf": (%05lu) free\n",
+ "0x%" UVxf ": (%05lu) free\n",
PTR2UV(cp), (unsigned long)(PL_an++)));
if (cp == NULL)
if (bad_free_warn == -1) {
dTHX;
char *pbf = PerlEnv_getenv("PERL_BADFREE");
- bad_free_warn = (pbf) ? atoi(pbf) : 1;
+ bad_free_warn = (pbf) ? strNE("0", pbf) : 1;
}
if (!bad_free_warn)
return;
Perl_realloc(void *mp, size_t nbytes)
{
dVAR;
- register MEM_SIZE onb;
+ MEM_SIZE onb;
union overhead *ovp;
char *res;
int prev_bucket;
- register int bucket;
+ int bucket;
int incr; /* 1 if does not fit, -1 if "easily" fits in a
smaller bucket, otherwise 0. */
char *cp = (char*)mp;
if (bad_free_warn == -1) {
dTHX;
char *pbf = PerlEnv_getenv("PERL_BADFREE");
- bad_free_warn = (pbf) ? atoi(pbf) : 1;
+ bad_free_warn = (pbf) ? strNE("0", pbf) : 1;
}
if (!bad_free_warn)
return NULL;
#endif
res = cp;
DEBUG_m(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf": (%05lu) realloc %ld bytes inplace\n",
+ "0x%" UVxf ": (%05lu) realloc %ld bytes inplace\n",
PTR2UV(res),(unsigned long)(PL_an++),
(long)size));
} else if (incr == 1 && (cp - M_OVERHEAD == last_op)
} else {
hard_way:
DEBUG_m(PerlIO_printf(Perl_debug_log,
- "0x%"UVxf": (%05lu) realloc %ld bytes the hard way\n",
+ "0x%" UVxf ": (%05lu) realloc %ld bytes the hard way\n",
PTR2UV(cp),(unsigned long)(PL_an++),
(long)size));
if ((res = (char*)Perl_malloc(nbytes)) == NULL)
}
Malloc_t
-Perl_calloc(register size_t elements, register size_t size)
+Perl_calloc(size_t elements, size_t size)
{
long sz = elements * size;
Malloc_t p = Perl_malloc(sz);
MEM_SIZE
Perl_malloc_good_size(size_t wanted)
{
- return BUCKET_SIZE_REAL(S_ajust_size_and_find_bucket(&wanted));
+ return BUCKET_SIZE_REAL(adjust_size_and_find_bucket(&wanted));
}
# ifdef BUCKETS_ROOT2
Perl_get_mstats(pTHX_ perl_mstats_t *buf, int buflen, int level)
{
#ifdef DEBUGGING_MSTATS
- register int i, j;
- register union overhead *p;
+ int i, j;
+ union overhead *p;
struct chunk_chain_s* nextchain;
PERL_ARGS_ASSERT_GET_MSTATS;
Perl_dump_mstats(pTHX_ const char *s)
{
#ifdef DEBUGGING_MSTATS
- register int i;
+ int i;
perl_mstats_t buffer;
UV nf[NBUCKETS];
UV nt[NBUCKETS];
if (s)
PerlIO_printf(Perl_error_log,
- "Memory allocation statistics %s (buckets %"IVdf"(%"IVdf")..%"IVdf"(%"IVdf")\n",
+ "Memory allocation statistics %s (buckets %" IVdf
+ "(%" IVdf ")..%" IVdf "(%" IVdf ")\n",
s,
(IV)BUCKET_SIZE_REAL(MIN_BUCKET),
(IV)BUCKET_SIZE_NO_SURPLUS(MIN_BUCKET),
(IV)BUCKET_SIZE_REAL(buffer.topbucket),
(IV)BUCKET_SIZE_NO_SURPLUS(buffer.topbucket));
- PerlIO_printf(Perl_error_log, "%8"IVdf" free:", buffer.totfree);
+ PerlIO_printf(Perl_error_log, "%8" IVdf " free:", buffer.totfree);
for (i = MIN_EVEN_REPORT; i <= buffer.topbucket; i += BUCKETS_PER_POW2) {
PerlIO_printf(Perl_error_log,
((i < 8*BUCKETS_PER_POW2 || i == 10*BUCKETS_PER_POW2)
buffer.nfree[i]);
}
#endif
- PerlIO_printf(Perl_error_log, "\n%8"IVdf" used:", buffer.total - buffer.totfree);
+ PerlIO_printf(Perl_error_log, "\n%8" IVdf " used:",
+ buffer.total - buffer.totfree);
for (i = MIN_EVEN_REPORT; i <= buffer.topbucket; i += BUCKETS_PER_POW2) {
PerlIO_printf(Perl_error_log,
((i < 8*BUCKETS_PER_POW2 || i == 10*BUCKETS_PER_POW2)
buffer.ntotal[i] - buffer.nfree[i]);
}
#endif
- PerlIO_printf(Perl_error_log, "\nTotal sbrk(): %"IVdf"/%"IVdf":%"IVdf". Odd ends: pad+heads+chain+tail: %"IVdf"+%"IVdf"+%"IVdf"+%"IVdf".\n",
+ PerlIO_printf(Perl_error_log, "\nTotal sbrk(): %" IVdf "/%" IVdf ":%"
+ IVdf ". Odd ends: pad+heads+chain+tail: %" IVdf "+%"
+ IVdf "+%" IVdf "+%" IVdf ".\n",
buffer.total_sbrk, buffer.sbrks, buffer.sbrk_good,
buffer.sbrk_slack, buffer.start_slack,
buffer.total_chain, buffer.sbrked_remains);
#ifdef USE_PERL_SBRK
-# if defined(NeXT) || defined(__NeXT__) || defined(PURIFY)
+# if defined(PURIFY)
# define PERL_SBRK_VIA_MALLOC
# endif
}
}
- DEBUG_m(PerlIO_printf(Perl_debug_log, "sbrk malloc size %ld (reqsize %ld), left size %ld, give addr 0x%"UVxf"\n",
- size, reqsize, Perl_sbrk_oldsize, PTR2UV(got)));
+ DEBUG_m(PerlIO_printf(Perl_debug_log,
+ "sbrk malloc size %ld (reqsize %ld), left size %ld, give addr 0x%"
+ UVxf "\n",
+ size, reqsize, Perl_sbrk_oldsize, PTR2UV(got)));
return (void *)got;
}
#endif /* ! defined USE_PERL_SBRK */
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff