Changeset b4b63e8 for libcfa/src/concurrency/kernel.cfa

Timestamp:

Oct 1, 2020, 2:41:30 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

dd53f75

Parents:

e235429

Message:

Fixed missing changes to park/unpark.
Added canary to threads to check when the thread was destroyed

File:

• libcfa/src/concurrency/kernel.cfa (modified) (3 diffs)

libcfa/src/concurrency/kernel.cfa

@@ -251 +251 @@
                 /* paranoid */ verify( ! kernelTLS.preemption_state.enabled );
                 /* paranoid */ verify( kernelTLS.this_thread == thrd_dst );
+                /* paranoid */ verify( thrd_dst->context.SP );
                 /* paranoid */ verifyf( ((uintptr_t)thrd_dst->context.SP) < ((uintptr_t)__get_stack(thrd_dst->curr_cor)->base ) || thrd_dst->curr_cor == proc_cor, "ERROR : Destination $thread %p has been corrupted.\n StackPointer too small.\n", thrd_dst ); // add escape condition if we are setting up the processor
                 /* paranoid */ verifyf( ((uintptr_t)thrd_dst->context.SP) > ((uintptr_t)__get_stack(thrd_dst->curr_cor)->limit) || thrd_dst->curr_cor == proc_cor, "ERROR : Destination $thread %p has been corrupted.\n StackPointer too large.\n", thrd_dst ); // add escape condition if we are setting up the processor
+                /* paranoid */ verify( 0x0D15EA5E0D15EA5E == thrd_dst->canary );
+
 
 
                 // set context switch to the thread that the processor is executing
-                verify( thrd_dst->context.SP );
                 __cfactx_switch( &proc_cor->context, &thrd_dst->context );
                 // when __cfactx_switch returns we are back in the processor coroutine
 
+                /* paranoid */ verify( 0x0D15EA5E0D15EA5E == thrd_dst->canary );
                 /* paranoid */ verifyf( ((uintptr_t)thrd_dst->context.SP) > ((uintptr_t)__get_stack(thrd_dst->curr_cor)->limit), "ERROR : Destination $thread %p has been corrupted.\n StackPointer too large.\n", thrd_dst );
                 /* paranoid */ verifyf( ((uintptr_t)thrd_dst->context.SP) < ((uintptr_t)__get_stack(thrd_dst->curr_cor)->base ), "ERROR : Destination $thread %p has been corrupted.\n StackPointer too small.\n", thrd_dst );
+                /* paranoid */ verify( thrd_dst->context.SP );
                 /* paranoid */ verify( kernelTLS.this_thread == thrd_dst );
                 /* paranoid */ verify( ! kernelTLS.preemption_state.enabled );
@@ -330 +334 @@
                         __x87_store;
                 #endif
-                verify( proc_cor->context.SP );
+                /* paranoid */ verify( proc_cor->context.SP );
+                /* paranoid */ verify( 0x0D15EA5E0D15EA5E == thrd_src->canary );
                 __cfactx_switch( &thrd_src->context, &proc_cor->context );
+                /* paranoid */ verify( 0x0D15EA5E0D15EA5E == thrd_src->canary );
                 #if defined( __i386 ) || defined( __x86_64 )
                         __x87_load;
@@ -363 +369 @@
         /* paranoid */ #endif
         /* paranoid */ verifyf( thrd->link.next == 0p, "Expected null got %p", thrd->link.next );
+        /* paranoid */ verify( 0x0D15EA5E0D15EA5E == thrd->canary );
+
 
         if (thrd->preempted == __NO_PREEMPTION) thrd->state = Ready;