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| author | Rickard Green <[email protected]> | 2011-03-07 17:04:02 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2011-03-08 09:47:52 +0100 |
| commit | a37ee29884eaaf8b177cec19821159c938ddf6ff (patch) | |
| tree | 192cdf554814a4ebf6d354443a9a607417fd2efd /erts/emulator/beam/erl_process.h | |
| parent | 422c3eda25ce9cb67a815aac5b0254432b0d44f7 (diff) | |
| download | otp-a37ee29884eaaf8b177cec19821159c938ddf6ff.tar.gz otp-a37ee29884eaaf8b177cec19821159c938ddf6ff.tar.bz2 otp-a37ee29884eaaf8b177cec19821159c938ddf6ff.zip | |
The emulator could get into a state where it didn't check for I/O.
Diffstat (limited to 'erts/emulator/beam/erl_process.h')
| -rw-r--r-- | erts/emulator/beam/erl_process.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index e871a9834a..8f78a7d76e 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1592,7 +1592,9 @@ ERTS_GLB_INLINE void erts_sched_poke(ErtsSchedulerSleepInfo *ssi); ERTS_GLB_INLINE void erts_sched_poke(ErtsSchedulerSleepInfo *ssi) { - erts_aint32_t flags = erts_smp_atomic32_read(&ssi->flags); + erts_aint32_t flags; + ERTS_THR_MEMORY_BARRIER; + flags = erts_smp_atomic32_read(&ssi->flags); ASSERT(!(flags & ERTS_SSI_FLG_SLEEPING) || (flags & ERTS_SSI_FLG_WAITING)); if (flags & ERTS_SSI_FLG_SLEEPING) { |