RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 21:37:36 +00:00
Code Issues Activity Actions

Kernel: Pass 'prot' argument to File::mmap() and act on it.

Browse source 
Nothing crazy, this just means that PROT_READ allocates readable regions,
and that PROT_WRITE allocates writable ones.
This commit is contained in:
Andreas Kling 2019-05-30 12:38:35 +02:00
parent 004a630bfe
commit 66c1a9be3b
7 changed files with 11 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/File.h
View file

@ -24,7 +24,7 @@ public:
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) = 0;
virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) = 0;
virtual int ioctl(FileDescriptor&, unsigned request, unsigned arg);
virtual KResultOr<Region*> mmap(Process&, LinearAddress preferred_laddr, size_t offset, size_t size);
virtual KResultOr<Region*> mmap(Process&, LinearAddress preferred_laddr, size_t offset, size_t size, int prot);
virtual String absolute_path(FileDescriptor&) const = 0;