banan-os/libc/sys/mman.cpp

24 lines
423 B
C++

#include <sys/mman.h>
#include <sys/syscall.h>
#include <unistd.h>
void* mmap(void* addr, size_t len, int prot, int flags, int fildes, off_t off)
{
sys_mmap_t args {
.addr = addr,
.len = len,
.prot = prot,
.flags = flags,
.off = off
};
long ret = syscall(SYS_MMAP, &args);
if (ret == -1)
return nullptr;
return (void*)ret;
}
int munmap(void* addr, size_t len)
{
return syscall(SYS_MUNMAP, addr, len);
}