My suggestion would also be to use sbrk() as it provides a high-water
mark for the memory usage of the process.
Below is the function hiwm() I used on Linux (RedHat). MacOS X and
Unix versions are straigthforward. Not sure about Windows.
/Jean Brouwers
#if _LINUX
#include <malloc.h>
size_t hiwm (void) {
/* info.arena - number of bytes allocated
* info.hblkhd - size of the mmap'ed space
* info.uordblks - number of bytes used (?)
*/
struct mallinfo info = mallinfo();
size_t s = (size_t) info.arena + (size_t) info.hblkhd;
return (s);
}
#elif _MAXOSX || _UNIX
#include <unistd.h>
size_t hiwm (void) {
size_t s = (size_t) sbrk(0);
return (s);
}
#elif _WINDOWS
size_t hiwm (void) {
size_t s = (size_t) 0; /* ??? */
return (s);
}
#endif
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