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missed a few cases

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This commit is contained in:
David Rose 2007-07-02 18:14:41 +00:00
parent 143b5df17b
commit 278e10d8ff
1 changed files with 17 additions and 1 deletions
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18
dtool/src/dtoolbase/dlmalloc_src.cxx
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@ -1324,9 +1324,14 @@ static int dev_zero_fd = -1; /* Cached file descriptor for /dev/zero. */
#define DIRECT_MMAP(s) CALL_MMAP(s)
#else /* WIN32 */
static size_t win32_total_mmap = 0;
/* Win32 MMAP via VirtualAlloc */
static void* win32mmap(size_t size) {
void* ptr = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE);
if (ptr != 0) {
win32_total_mmap += size;
}
return (ptr != 0)? ptr: MFAIL;
}
@ -1334,6 +1339,9 @@ static void* win32mmap(size_t size) {
static void* win32direct_mmap(size_t size) {
void* ptr = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN,
PAGE_READWRITE);
if (ptr != 0) {
win32_total_mmap += size;
}
return (ptr != 0)? ptr: MFAIL;
}
@ -1351,6 +1359,7 @@ static int win32munmap(void* ptr, size_t size) {
return -1;
cptr += minfo.RegionSize;
size -= minfo.RegionSize;
win32_total_mmap -= minfo.RegionSize;
}
return 0;
}
@ -3134,6 +3143,7 @@ static void* mmap_alloc(mstate m, size_t nb) {
if (mmsize > nb) { /* Check for wrap around 0 */
char* mm = (char*)(DIRECT_MMAP(mmsize));
if (mm != CMFAIL) {
memory_hook->inc_heap(mmsize);
size_t offset = align_offset(chunk2mem(mm));
size_t psize = mmsize - offset - MMAP_FOOT_PAD;
mchunkptr p = (mchunkptr)(mm + offset);
@ -3172,6 +3182,8 @@ static mchunkptr mmap_resize(mstate m, mchunkptr oldp, size_t nb) {
char* cp = (char*)CALL_MREMAP((char*)oldp - offset,
oldmmsize, newmmsize, 1);
if (cp != CMFAIL) {
memory_hook->dec_heap(oldsize);
memory_hook->inc_heap(nb);
mchunkptr newp = (mchunkptr)(cp + offset);
size_t psize = newmmsize - offset - MMAP_FOOT_PAD;
newp->head = (psize|CINUSE_BIT);
@ -3629,6 +3641,8 @@ static int sys_trim(mstate m, size_t pad) {
m->trim_check = MAX_SIZE_T;
}
memory_hook->dec_heap(released);
return (released != 0)? 1 : 0;
}
@ -4210,8 +4224,10 @@ void dlfree(void* mem) {
if ((prevsize & IS_MMAPPED_BIT) != 0) {
prevsize &= ~IS_MMAPPED_BIT;
psize += prevsize + MMAP_FOOT_PAD;
if (CALL_MUNMAP((char*)p - prevsize, psize) == 0)
if (CALL_MUNMAP((char*)p - prevsize, psize) == 0) {
fm->footprint -= psize;
memory_hook->dec_heap(psize);
}
goto postaction;
}
else {