Ignore:
Timestamp:
Mar 9, 2020, 11:09:52 AM (20 months ago)
Author:
Thierry Delisle <tdelisle@…>
Branches:
arm-eh, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr
Children:
6565321
Parents:
87f572e (diff), e6cfa8ff (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge branch 'generator'

File:
1 edited

Legend:

Unmodified
Added
Removed
  • libcfa/src/concurrency/coroutine.hfa

    r87f572e r5b544a6  
    4646//-----------------------------------------------------------------------------
    4747// Public coroutine API
    48 static inline void suspend(void);
    49 
    50 forall(dtype T | is_coroutine(T))
    51 static inline T & resume(T & cor);
    52 
    5348forall(dtype T | is_coroutine(T))
    5449void prime(T & cor);
     
    9691
    9792// Suspend implementation inlined for performance
    98 static inline void suspend(void) {
    99         // optimization : read TLS once and reuse it
    100         // Safety note: this is preemption safe since if
    101         // preemption occurs after this line, the pointer
    102         // will also migrate which means this value will
    103         // stay in syn with the TLS
    104         $coroutine * src = TL_GET( this_thread )->curr_cor;
     93extern "C" {
     94        static inline void __cfactx_suspend(void) {
     95                // optimization : read TLS once and reuse it
     96                // Safety note: this is preemption safe since if
     97                // preemption occurs after this line, the pointer
     98                // will also migrate which means this value will
     99                // stay in syn with the TLS
     100                $coroutine * src = TL_GET( this_thread )->curr_cor;
    105101
    106         assertf( src->last != 0,
    107                 "Attempt to suspend coroutine \"%.256s\" (%p) that has never been resumed.\n"
    108                 "Possible cause is a suspend executed in a member called by a coroutine user rather than by the coroutine main.",
    109                 src->name, src );
    110         assertf( src->last->state != Halted,
    111                 "Attempt by coroutine \"%.256s\" (%p) to suspend back to terminated coroutine \"%.256s\" (%p).\n"
    112                 "Possible cause is terminated coroutine's main routine has already returned.",
    113                 src->name, src, src->last->name, src->last );
     102                assertf( src->last != 0,
     103                        "Attempt to suspend coroutine \"%.256s\" (%p) that has never been resumed.\n"
     104                        "Possible cause is a suspend executed in a member called by a coroutine user rather than by the coroutine main.",
     105                        src->name, src );
     106                assertf( src->last->state != Halted,
     107                        "Attempt by coroutine \"%.256s\" (%p) to suspend back to terminated coroutine \"%.256s\" (%p).\n"
     108                        "Possible cause is terminated coroutine's main routine has already returned.",
     109                        src->name, src, src->last->name, src->last );
    114110
    115         $ctx_switch( src, src->last );
     111                $ctx_switch( src, src->last );
     112        }
    116113}
    117114
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