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support for 64-bit Apple OS in memory check

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git-svn-id: https://flam3.googlecode.com/svn/trunk@91 77852712-ef1d-11de-8684-7d64432d61a3
This commit is contained in:
Erik Reckase 2010-11-21 18:37:22 +00:00 committed by Scott Draves
parent ba1a8451bf
commit 83ecdc6104
1 changed files with 15 additions and 9 deletions
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8
src/flam3-render.c
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@ -49,13 +49,19 @@ int calc_nstrips(flam3_frame *spec) {
mem_available =
(double)sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE);
#elif defined __APPLE__
#ifdef __LP64__
long physmem;
size_t len = sizeof(physmem);
static int mib[2] = { CTL_HW, HW_MEMSIZE };
#else
unsigned int physmem;
size_t len = sizeof(physmem);
static int mib[2] = { CTL_HW, HW_PHYSMEM };
#endif
if (sysctl(mib, 2, &physmem, &len, NULL, 0) == 0 && len == sizeof(physmem)) {
mem_available = (double )physmem;
} else {
fprintf(stderr, "warning: unable to determine physical memory.\n");
fprintf(stderr, "warning: unable to determine physical memory.n");
mem_available = 2e9;
}
#else