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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/beam/erl_bif_info.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/beam/erl_bif_info.c')
| -rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 8117b1bfaa..90ddaa4fac 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1355,13 +1355,15 @@ process_info_aux(Process *BIF_P, hp = HAlloc(BIF_P, 3); break; - case am_trap_exit: + case am_trap_exit: { + erts_aint32_t state = erts_smp_atomic32_read_nob(&rp->state); hp = HAlloc(BIF_P, 3); - if (rp->flags & F_TRAPEXIT) + if (state & ERTS_PSFLG_TRAP_EXIT) res = am_true; else res = am_false; break; + } case am_error_handler: hp = HAlloc(BIF_P, 3); @@ -3144,14 +3146,8 @@ BIF_RETTYPE is_process_alive_1(BIF_ALIST_1) BIF_RET(am_false); } else { - int px; -#ifdef ERTS_SMP - px = (erts_atomic32_read_acqb(&rp->aflags) - & (ERTS_PROC_AFLG_PENDING_EXIT|ERTS_PROC_AFLG_EXITING)); -#else - px = 0; -#endif - if (px) + if (erts_smp_atomic32_read_acqb(&rp->state) + & (ERTS_PSFLG_PENDING_EXIT|ERTS_PSFLG_EXITING)) ERTS_BIF_AWAIT_X_DATA_TRAP(BIF_P, BIF_ARG_1, am_false); else BIF_RET(am_true); |