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| author | Sverker Eriksson <[email protected]> | 2012-02-21 20:43:23 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2012-02-23 12:15:36 +0100 |
| commit | 17c62a8d1158e2c13be403e62d81140c705a8444 (patch) | |
| tree | 4b829d8412d3249919fae342eb0b340b7cbf75a8 /erts/emulator/beam/code_ix.h | |
| parent | cebdde12c16ed51d2d714c4e68c24425f476e1f6 (diff) | |
| download | otp-17c62a8d1158e2c13be403e62d81140c705a8444.tar.gz otp-17c62a8d1158e2c13be403e62d81140c705a8444.tar.bz2 otp-17c62a8d1158e2c13be403e62d81140c705a8444.zip | |
erts: Switch order between code_ix lock and thread blocking
Make for simpler code when we just can block threads and continue
without having to release code_ix lock and repeat code lookups to
avoid race.
Diffstat (limited to 'erts/emulator/beam/code_ix.h')
| -rw-r--r-- | erts/emulator/beam/code_ix.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/erts/emulator/beam/code_ix.h b/erts/emulator/beam/code_ix.h index bac8c3365c..c37a5fe8f4 100644 --- a/erts/emulator/beam/code_ix.h +++ b/erts/emulator/beam/code_ix.h @@ -83,6 +83,7 @@ ErtsCodeIndex erts_staging_code_ix(void); /* Try lock code_ix that is needed for (exlusive) access of the staging area. * Main process lock (only) must be held. + * System thread progress must not be blocked. * Caller is suspended and *must* yield if 0 is returned. */ int erts_try_lock_code_ix(struct process*); |