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Fix memory allocation on Windows.
* Take the cache line roundings into account when allocating a hunk. * Use size_t were apropriate. * remove some unnecessary and likely broken calls. Another case of: "How could this ever work"?
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1 changed files with 8 additions and 11 deletions
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@ -30,17 +30,18 @@
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byte *membase;
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int hunkcount;
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int hunkmaxsize;
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int cursize;
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size_t hunkmaxsize;
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size_t cursize;
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void *
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Hunk_Begin(int maxsize)
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{
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/* reserve a huge chunk of memory,
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but don't commit any yet */
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/* reserve a huge chunk of memory, but don't commit any yet */
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/* plus 32 bytes for cacheline */
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hunkmaxsize = maxsize + sizeof(size_t) + 32;
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cursize = 0;
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hunkmaxsize = maxsize;
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membase = VirtualAlloc(NULL, maxsize, MEM_RESERVE, PAGE_NOACCESS);
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membase = VirtualAlloc(NULL, hunkmaxsize, MEM_RESERVE, PAGE_NOACCESS);
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if (!membase)
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{
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@ -63,10 +64,7 @@ Hunk_Alloc(int size)
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if (!buf)
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{
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR)&buf, 0, NULL);
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Sys_Error("VirtualAlloc commit failed.\n%s", buf);
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Sys_Error("VirtualAlloc commit failed.\n");
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}
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cursize += size;
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@ -97,4 +95,3 @@ Hunk_Free(void *base)
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hunkcount--;
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}
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