fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2025-12-27 03:37:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Make VirtualRangeAllocator return KResultOr<VirtualRange>

Browse Source 
This achieves two things:
- The allocator can report more specific errors
- Callers can (and now do) use TRY() :^)
This commit is contained in:
Andreas Kling
2021-09-05 23:12:16 +02:00
parent 21f7932ae2
commit f4a9a0d561
9 changed files with 82 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
Kernel/Thread.cpp
View File

@@ -1190,13 +1190,10 @@ KResult Thread::make_thread_specific_region(Badge<Process>)
if (!process().m_master_tls_region)
return KSuccess;
auto range = process().address_space().allocate_range({}, thread_specific_region_size());
if (!range.has_value())
return ENOMEM;
auto range = TRY(process().address_space().try_allocate_range({}, thread_specific_region_size()));
auto* region = TRY(process().address_space().allocate_region(range, "Thread-specific", PROT_READ | PROT_WRITE));
auto* region = TRY(process().address_space().allocate_region(range.value(), "Thread-specific", PROT_READ | PROT_WRITE));
m_thread_specific_range = range.value();
m_thread_specific_range = range;
SmapDisabler disabler;
auto* thread_specific_data = (ThreadSpecificData*)region->vaddr().offset(align_up_to(process().m_master_tls_size, thread_specific_region_alignment())).as_ptr();