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Add some documentation

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Justine Tunney 2024-07-19 02:53:07 -07:00
parent 567d8fe32d
commit 1ff037df3c
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5 changed files with 177 additions and 22 deletions
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6
third_party/dlmalloc/platform.inc vendored
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@ -505,11 +505,7 @@ FORCEINLINE int win32munmap(void* ptr, size_t size) {
* Define CALL_MREMAP
*/
#if HAVE_MMAP && HAVE_MREMAP
#ifdef MREMAP
#define CALL_MREMAP(addr, osz, nsz, mv) MREMAP((addr), (osz), (nsz), (mv))
#else /* MREMAP */
#define CALL_MREMAP(addr, osz, nsz, mv) MREMAP_DEFAULT((addr), (osz), (nsz), (mv))
#endif /* MREMAP */
#define CALL_MREMAP(addr, osz, nsz, mv) ({ int olderr = errno; void *res = mremap((addr), (osz), (nsz), (mv)); if (res == MAP_FAILED) errno = olderr; res; })
#else /* HAVE_MMAP && HAVE_MREMAP */
#define CALL_MREMAP(addr, osz, nsz, mv) MAP_FAILED
#endif /* HAVE_MMAP && HAVE_MREMAP */