version 1.4, 2002/03/25 20:12:10 |
version 1.4.4.3, 2002/10/11 14:53:06 |
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static int |
static int |
mm_compare(struct mm_share *a, struct mm_share *b) |
mm_compare(struct mm_share *a, struct mm_share *b) |
{ |
{ |
return ((char *)a->address - (char *)b->address); |
long diff = (char *)a->address - (char *)b->address; |
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if (diff == 0) |
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return (0); |
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else if (diff < 0) |
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return (-1); |
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else |
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return (1); |
} |
} |
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RB_GENERATE(mmtree, mm_share, next, mm_compare) |
RB_GENERATE(mmtree, mm_share, next, mm_compare) |
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address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, |
address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, |
-1, 0); |
-1, 0); |
if (address == MAP_FAILED) |
if (address == MAP_FAILED) |
fatal("mmap(%lu)", (u_long)size); |
fatal("mmap(%lu): %s", (u_long)size, strerror(errno)); |
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mm->address = address; |
mm->address = address; |
mm->size = size; |
mm->size = size; |
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mm_freelist(mm->mmalloc, &mm->rb_allocated); |
mm_freelist(mm->mmalloc, &mm->rb_allocated); |
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if (munmap(mm->address, mm->size) == -1) |
if (munmap(mm->address, mm->size) == -1) |
fatal("munmap(%p, %lu)", mm->address, (u_long)mm->size); |
fatal("munmap(%p, %lu): %s", mm->address, (u_long)mm->size, |
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strerror(errno)); |
if (mm->mmalloc == NULL) |
if (mm->mmalloc == NULL) |
xfree(mm); |
xfree(mm); |
else |
else |
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address = mm_malloc(mm, size); |
address = mm_malloc(mm, size); |
if (address == NULL) |
if (address == NULL) |
fatal("%s: mm_malloc(%lu)", __FUNCTION__, (u_long)size); |
fatal("%s: mm_malloc(%lu)", __func__, (u_long)size); |
return (address); |
return (address); |
} |
} |
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if (size == 0) |
if (size == 0) |
fatal("mm_malloc: try to allocate 0 space"); |
fatal("mm_malloc: try to allocate 0 space"); |
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if (size > SIZE_T_MAX - MM_MINSIZE + 1) |
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fatal("mm_malloc: size too big"); |
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size = ((size + MM_MINSIZE - 1) / MM_MINSIZE) * MM_MINSIZE; |
size = ((size + (MM_MINSIZE - 1)) / MM_MINSIZE) * MM_MINSIZE; |
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RB_FOREACH(mms, mmtree, &mm->rb_free) { |
RB_FOREACH(mms, mmtree, &mm->rb_free) { |
if (mms->size >= size) |
if (mms->size >= size) |
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struct mm_master *mmold; |
struct mm_master *mmold; |
struct mmtree rb_free, rb_allocated; |
struct mmtree rb_free, rb_allocated; |
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debug3("%s: Share sync", __FUNCTION__); |
debug3("%s: Share sync", __func__); |
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mm = *pmm; |
mm = *pmm; |
mmold = mm->mmalloc; |
mmold = mm->mmalloc; |
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*pmm = mm; |
*pmm = mm; |
*pmmalloc = mmalloc; |
*pmmalloc = mmalloc; |
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debug3("%s: Share sync end", __FUNCTION__); |
debug3("%s: Share sync end", __func__); |
} |
} |
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void |
void |