1#ifndef PAGE_SIZE_
2#define PAGE_SIZE_
3
4#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
5# include <unistd.h>
6unsigned pageSize() {
7 return sysconf(_SC_PAGESIZE);
8}
9#else
10# error "GWP-ASan is not supported on this platform."
11#endif
12
13#endif // PAGE_SIZE_
14

source code of compiler-rt/test/gwp_asan/page_size.h