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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/utils.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/utils.c')
| -rw-r--r-- | erts/emulator/beam/utils.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 245916bc0d..db6597dc7c 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -1666,12 +1666,20 @@ static int do_send_to_logger(Eterm tag, Eterm gleader, char *buf, int len) } #ifndef ERTS_SMP - if ( #ifdef USE_THREADS - !erts_get_scheduler_data() || /* Must be scheduler thread */ + p = NULL; + if (erts_get_scheduler_data()) /* Must be scheduler thread */ #endif - (p = erts_whereis_process(NULL, 0, am_error_logger, 0, 0)) == NULL - || p->status == P_RUNNING) { + { + p = erts_whereis_process(NULL, 0, am_error_logger, 0, 0); + if (p) { + erts_aint32_t state = erts_smp_atomic32_read_acqb(&p->state); + if (state & ERTS_PSFLG_RUNNING) + p = NULL; + } + } + + if (!p) { /* buf *always* points to a null terminated string */ erts_fprintf(stderr, "(no error logger present) %T: \"%s\"\n", tag, buf); |