mirror of
https://github.com/RGBCube/serenity
synced 2025-07-23 18:27:40 +00:00
Kernel: Disable big process lock for sys$clock_gettime()
This syscall doesn't touch any intra-process shared resources and reads the time via the atomic TimeManagement::current_time, so it doesn't need to hold any lock.
This commit is contained in:
parent
1a08694dfc
commit
fbd848e6eb
2 changed files with 2 additions and 2 deletions
|
@ -157,7 +157,7 @@ enum class NeedsBigProcessLock {
|
||||||
S(getrandom, NeedsBigProcessLock::No) \
|
S(getrandom, NeedsBigProcessLock::No) \
|
||||||
S(getkeymap, NeedsBigProcessLock::No) \
|
S(getkeymap, NeedsBigProcessLock::No) \
|
||||||
S(setkeymap, NeedsBigProcessLock::Yes) \
|
S(setkeymap, NeedsBigProcessLock::Yes) \
|
||||||
S(clock_gettime, NeedsBigProcessLock::Yes) \
|
S(clock_gettime, NeedsBigProcessLock::No) \
|
||||||
S(clock_settime, NeedsBigProcessLock::Yes) \
|
S(clock_settime, NeedsBigProcessLock::Yes) \
|
||||||
S(clock_nanosleep, NeedsBigProcessLock::Yes) \
|
S(clock_nanosleep, NeedsBigProcessLock::Yes) \
|
||||||
S(join_thread, NeedsBigProcessLock::Yes) \
|
S(join_thread, NeedsBigProcessLock::Yes) \
|
||||||
|
|
|
@ -12,7 +12,7 @@ namespace Kernel {
|
||||||
|
|
||||||
KResultOr<FlatPtr> Process::sys$clock_gettime(clockid_t clock_id, Userspace<timespec*> user_ts)
|
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);
|
REQUIRE_PROMISE(stdio);
|
||||||
|
|
||||||
if (!TimeManagement::is_valid_clock_id(clock_id))
|
if (!TimeManagement::is_valid_clock_id(clock_id))
|
||||||
|
|
Loading…
Add table
Add a link
Reference in a new issue