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

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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
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14
Kernel/Syscalls/getuid.cpp
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@ -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();