dd/dc5/mmap_8c_source.html

#include <stdio.h>

#include <sys/fs.h>


#include "user/common/syscalls.h"


void* mmap(fd_t fd, void* address, size_t length, prot_t prot)

{

    void* result = _syscall_mmap(fd, address, length, prot);

    if (result == NULL)

    {

        errno = _syscall_errno();

    }

    return result;

}


address
static uintptr_t address
Mapped virtual address of the HPET registers.
Definition hpet.c:96

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

mmap
void * mmap(fd_t fd, void *address, size_t length, prot_t prot)
System call to map memory from a file.
Definition mmap.c:6

prot_t
prot_t
Memory protection flags.
Definition proc.h:122

NULL
#define NULL
Pointer error value.
Definition NULL.h:25

fd_t
__UINT64_TYPE__ fd_t
File descriptor type.
Definition fd_t.h:10

fs.h

stdio.h

syscalls.h

_syscall_errno
static errno_t _syscall_errno(void)
Definition syscalls.h:107

_syscall_mmap
static void * _syscall_mmap(fd_t fd, void *address, size_t length, prot_t prot)
Definition syscalls.h:177