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Kernel: Disable big process lock for sys$clock_gettime()

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This syscall doesn't touch any intra-process shared resources and
reads the time via the atomic TimeManagement::current_time, so it
doesn't need to hold any lock.
This commit is contained in:
Idan Horowitz 2021-08-06 14:49:52 +03:00 • committed by Andreas Kling
commit fbd848e6eb
Notes: sideshowbarker 2024-07-18 07:23:36 +09:00
2 changed files with 2 additions and 2 deletions
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2
Kernel/Syscalls/clock.cpp
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@ -12,7 +12,7 @@ namespace Kernel {
KResultOr<FlatPtr> Process::sys$clock_gettime(clockid_t clock_id, Userspace<timespec*> user_ts)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
REQUIRE_PROMISE(stdio);
if (!TimeManagement::is_valid_clock_id(clock_id))