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author | Rickard Green <[email protected]> | 2011-12-16 13:02:09 +0100 |
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committer | Rickard Green <[email protected]> | 2012-04-16 16:32:28 +0200 |
commit | 414f4fb8dc9a188f8148a1f92e5f9125108e170d (patch) | |
tree | 319b52ff0171a0f3bec1deb63407caaefe095ab5 /erts/emulator/beam/erl_db.c | |
parent | 3e454414a40bba082e5dc0be310f71843200dcf4 (diff) | |
download | otp-414f4fb8dc9a188f8148a1f92e5f9125108e170d.tar.gz otp-414f4fb8dc9a188f8148a1f92e5f9125108e170d.tar.bz2 otp-414f4fb8dc9a188f8148a1f92e5f9125108e170d.zip |
Optimize process table access
Diffstat (limited to 'erts/emulator/beam/erl_db.c')
-rw-r--r-- | erts/emulator/beam/erl_db.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 51bdf53823..2b8bcb5bf7 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -2850,7 +2850,7 @@ void init_db(void) else db_max_tabs = user_requested_db_max_tabs; - bits = erts_fit_in_bits(db_max_tabs-1); + bits = erts_fit_in_bits_int32(db_max_tabs-1); if (bits > SMALL_BITS) { erl_exit(1,"Max limit for ets tabled too high %u (max %u).", db_max_tabs, ((Uint)1)<<SMALL_BITS); @@ -3124,7 +3124,7 @@ retry: if (to_proc == NULL) { return 0; /* heir not alive, table still mine */ } - if (erts_cmp_timeval(&to_proc->started, &tb->common.heir_started) != 0) { + if (to_proc->started_interval != tb->common.heir_started_interval) { erts_smp_proc_unlock(to_proc, to_locks); return 0; /* heir dead and pid reused, table still mine */ } @@ -3520,14 +3520,14 @@ static void set_heir(Process* me, DbTable* tb, Eterm heir, UWord heir_data) return; } if (heir == me->id) { - tb->common.heir_started = me->started; + erts_ensure_later_proc_interval(me->started_interval); + tb->common.heir_started_interval = me->started_interval; } else { - Process* heir_proc= erts_pid2proc_opt(me, ERTS_PROC_LOCK_MAIN, heir, - 0, ERTS_P2P_FLG_SMP_INC_REFC); + Process* heir_proc= erts_proc_lookup(heir); if (heir_proc != NULL) { - tb->common.heir_started = heir_proc->started; - erts_smp_proc_dec_refc(heir_proc); + erts_ensure_later_proc_interval(heir_proc->started_interval); + tb->common.heir_started_interval = heir_proc->started_interval; } else { tb->common.heir = am_none; } |