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| author | Rickard Green <[email protected]> | 2012-02-27 18:45:47 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2012-04-27 12:41:57 +0200 |
| commit | 4bcffe41e193bfa03f54f77e2158b3d989a001d0 (patch) | |
| tree | 322a8c6f5f7de2458b0fbd274cb5356a76689519 /erts/emulator/hipe/hipe_mode_switch.c | |
| parent | 414f4fb8dc9a188f8148a1f92e5f9125108e170d (diff) | |
| download | otp-4bcffe41e193bfa03f54f77e2158b3d989a001d0.tar.gz otp-4bcffe41e193bfa03f54f77e2158b3d989a001d0.tar.bz2 otp-4bcffe41e193bfa03f54f77e2158b3d989a001d0.zip | |
Optimize process state changes
Diffstat (limited to 'erts/emulator/hipe/hipe_mode_switch.c')
| -rw-r--r-- | erts/emulator/hipe/hipe_mode_switch.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/erts/emulator/hipe/hipe_mode_switch.c b/erts/emulator/hipe/hipe_mode_switch.c index 6a3ce5608f..3c782b2f56 100644 --- a/erts/emulator/hipe/hipe_mode_switch.c +++ b/erts/emulator/hipe/hipe_mode_switch.c @@ -360,7 +360,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) p->flags &= ~F_HIBERNATE_SCHED; goto do_schedule; } - if (p->status == P_WAITING) { + + if (!(erts_smp_atomic32_read_acqb(&p->state) & ERTS_PSFLG_ACTIVE)) { for (i = 0; i < p->arity; ++i) p->arg_reg[i] = reg[i]; goto do_schedule; @@ -451,10 +452,6 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) case HIPE_MODE_SWITCH_RES_SUSPEND: { p->i = hipe_beam_pc_resume; p->arity = 0; - erts_smp_proc_lock(p, ERTS_PROC_LOCK_STATUS); - if (p->status != P_SUSPENDED) - erts_add_to_runq(p); - erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); goto do_schedule; } case HIPE_MODE_SWITCH_RES_WAIT: @@ -470,7 +467,8 @@ Process *hipe_mode_switch(Process *p, unsigned cmd, Eterm reg[]) #endif p->i = hipe_beam_pc_resume; p->arity = 0; - p->status = P_WAITING; + erts_smp_atomic32_read_band_relb(&p->state, + ~ERTS_PSFLG_ACTIVE); erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_MSG_RECEIVE); do_schedule: { |