d4/d82/mprotect_8c_source.html

#include <stdio.h>

#include <sys/io.h>


#include "user/common/syscalls.h"


uint64_t mprotect(void* address, uint64_t length, prot_t prot)

{

    uint64_t result = _syscall_mprotect(address, length, prot);

    if (result == ERR)

    {

        errno = _syscall_errno();

    }

    return result;

}


errno
#define errno
Error number variable.
Definition errno.h:27

mprotect
uint64_t mprotect(void *address, uint64_t length, prot_t prot)
System call to change the protection flags of memory.
Definition mprotect.c:6

prot_t
prot_t
Memory protection flags.
Definition proc.h:170

ERR
#define ERR
Integer error value.
Definition ERR.h:17

address
static uintptr_t address
Definition hpet.c:12

io.h

syscalls.h

_syscall_mprotect
static uint64_t _syscall_mprotect(void *address, uint64_t length, prot_t prot)
Definition syscalls.h:203

_syscall_errno
static errno_t _syscall_errno(void)
Definition syscalls.h:118

uint64_t
__UINT64_TYPE__ uint64_t
Definition stdint.h:17

stdio.h