RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 18:07:34 +00:00
Code Issues Activity Actions

Kernel: Mark syscalls that get/set user/group ID as not needing big lock

Browse source 
Now that these operate on the neatly atomic and immutable Credentials
object, they should no longer require the process big lock for
synchronization. :^)
This commit is contained in:
Andreas Kling 2022-08-20 18:36:47 +02:00
parent 122d7d9533
commit 998c1152ef
3 changed files with 30 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Kernel/Syscalls/getuid.cpp
View file

@ -10,35 +10,35 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$getuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
return uid().value();
}
ErrorOr<FlatPtr> Process::sys$getgid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
return gid().value();
}
ErrorOr<FlatPtr> Process::sys$geteuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
return euid().value();
}
ErrorOr<FlatPtr> Process::sys$getegid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
return egid().value();
}
ErrorOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> user_ruid, Userspace<UserID*> user_euid, Userspace<UserID*> user_suid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
auto credentials = this->credentials();
@ -54,7 +54,7 @@ ErrorOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> user_ruid, Userspace<
ErrorOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> user_rgid, Userspace<GroupID*> user_egid, Userspace<GroupID*> user_sgid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
auto credentials = this->credentials();
@ -70,7 +70,7 @@ ErrorOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> user_rgid, Userspace
ErrorOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<GroupID*> user_gids)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
auto credentials = this->credentials();