libgo/runtime/mem_posix_memalign.c

   1 #include <errno.h>
   2
   3 #include "runtime.h"
   4 #include "malloc.h"
   5
   6 void*
   7 runtime_SysAlloc(uintptr n)
   8 {
   9         void *p;
  10
  11         mstats.sys += n;
  12         errno = posix_memalign(&p, PageSize, n);
  13         if (errno > 0) {
  14                 perror("posix_memalign");
  15                 exit(2);
  16         }
  17         return p;
  18 }
  19
  20 void
  21 runtime_SysUnused(void *v, uintptr n)
  22 {
  23         USED(v);
  24         USED(n);
  25         // TODO(rsc): call madvise MADV_DONTNEED
  26 }
  27
  28 void
  29 runtime_SysFree(void *v, uintptr n)
  30 {
  31         mstats.sys -= n;
  32         free(v);
  33 }
  34
  35 void
  36 runtime_SysMemInit(void)
  37 {
  38 }