3 ms·

> Do any allocators use anything else these days? Yes, some allocators still support using sbrk, though that's a bad idea for security reasons (ASLR).

• floatboth 6y ago
  Also sbrk just doesn't exist on many new platforms (e.g. FreeBSD does not have it on arm64 and riscv64)
  • saagarjha 6y ago
    And macOS emulates it. It's a fairly archaic design at this point.