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Kernel: Make UserOrKernelBuffer R/W helpers return KResultOr<size_t>

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This makes error propagation less cumbersome (and also exposed some
places where we were not doing it.)
This commit is contained in:
Andreas Kling 2021-05-13 09:08:44 +02:00
parent 25a45e639a
commit e46343bf9a
15 changed files with 64 additions and 85 deletions
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4
Kernel/Process.h
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@ -255,7 +255,7 @@ public:
KResultOr<int> sys$inode_watcher_add_watch(Userspace<const Syscall::SC_inode_watcher_add_watch_params*> user_params);
KResultOr<int> sys$inode_watcher_remove_watch(int fd, int wd);
KResultOr<int> sys$dbgputch(u8);
KResultOr<int> sys$dbgputstr(Userspace<const u8*>, int length);
KResultOr<size_t> sys$dbgputstr(Userspace<const u8*>, int length);
KResultOr<int> sys$dump_backtrace();
KResultOr<pid_t> sys$gettid();
KResultOr<int> sys$donate(pid_t tid);
@ -372,7 +372,7 @@ public:
KResultOr<int> sys$halt();
KResultOr<int> sys$reboot();
KResultOr<int> sys$realpath(Userspace<const Syscall::SC_realpath_params*>);
KResultOr<ssize_t> sys$getrandom(Userspace<void*>, size_t, unsigned int);
KResultOr<size_t> sys$getrandom(Userspace<void*>, size_t, unsigned int);
KResultOr<int> sys$getkeymap(Userspace<const Syscall::SC_getkeymap_params*>);
KResultOr<int> sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*>);
KResultOr<int> sys$module_load(Userspace<const char*> path, size_t path_length);