djstdlib/os_linux.cpp

#ifndef OS_IMPL_LINUX_CPP
#define OS_IMPL_LINUX_CPP

#include "os.h"

#include <sys/mman.h>
#include <sys/stat.h>

void *os_alloc(size_t capacity) {
    return mmap(0, capacity, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
}

void os_commit(void *ptr) {
}

void os_decommit(void *ptr) {
}

void os_free(void *ptr, size_t size) {
    int err = munmap(ptr, size);
    Assert(err != -1);
}

#endif