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Kernel: Annotate all syscalls with VERIFY_PROCESS_BIG_LOCK_ACQUIRED

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Before we start disabling acquisition of the big process lock for
specific syscalls, make sure to document and assert that all the
lock is held during all syscalls.
This commit is contained in:
Brian Gianforcaro 2021-07-18 11:20:12 -07:00 • committed by Gunnar Beutner
parent 120b9bc05b
commit 9201a06027
72 changed files with 165 additions and 0 deletions
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5
Kernel/Syscalls/clock.cpp
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@ -12,6 +12,7 @@ namespace Kernel {
KResultOr<FlatPtr> Process::sys$clock_gettime(clockid_t clock_id, Userspace<timespec*> user_ts)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(stdio);
if (!TimeManagement::is_valid_clock_id(clock_id))
@ -26,6 +27,7 @@ KResultOr<FlatPtr> Process::sys$clock_gettime(clockid_t clock_id, Userspace<time
KResultOr<FlatPtr> Process::sys$clock_settime(clockid_t clock_id, Userspace<const timespec*> user_ts)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(settime);
if (!is_superuser())
@ -47,6 +49,7 @@ KResultOr<FlatPtr> Process::sys$clock_settime(clockid_t clock_id, Userspace<cons
KResultOr<FlatPtr> Process::sys$clock_nanosleep(Userspace<const Syscall::SC_clock_nanosleep_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(stdio);
Syscall::SC_clock_nanosleep_params params;
@ -89,6 +92,7 @@ KResultOr<FlatPtr> Process::sys$clock_nanosleep(Userspace<const Syscall::SC_cloc
KResultOr<FlatPtr> Process::sys$adjtime(Userspace<const timeval*> user_delta, Userspace<timeval*> user_old_delta)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
if (user_old_delta) {
timespec old_delta_ts = TimeManagement::the().remaining_epoch_time_adjustment();
timeval old_delta;
@ -114,6 +118,7 @@ KResultOr<FlatPtr> Process::sys$adjtime(Userspace<const timeval*> user_delta, Us
KResultOr<FlatPtr> Process::sys$gettimeofday(Userspace<timeval*> user_tv)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(stdio);
auto tv = kgettimeofday().to_timeval();
if (!copy_to_user(user_tv, &tv))