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Fix compatibility issues with Illumos.

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Thanks to Theo Schlossnagle.
This commit is contained in:
Mike Pall 2014-05-28 15:46:26 +02:00
parent 49d3157e14
commit 7fb503dc86
1 changed files with 7 additions and 1 deletions
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8
src/lj_alloc.c
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@ -179,11 +179,17 @@ static LJ_AINLINE int CALL_MUNMAP(void *ptr, size_t size)
#if defined(MAP_32BIT)
#if defined(__sun__)
#define MMAP_REGION_START ((uintptr_t)0x1000)
#else
/* Actually this only gives us max. 1GB in current Linux kernels. */
#define MMAP_REGION_START ((uintptr_t)0)
#endif
static LJ_AINLINE void *CALL_MMAP(size_t size)
{
int olderr = errno;
void *ptr = mmap(NULL, size, MMAP_PROT, MAP_32BIT|MMAP_FLAGS, -1, 0);
void *ptr = mmap((void *)MMAP_REGION_START, size, MMAP_PROT, MAP_32BIT|MMAP_FLAGS, -1, 0);
errno = olderr;
return ptr;
}