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| author | Björn-Egil Dahlberg <[email protected]> | 2015-04-13 18:03:33 +0200 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2017-01-05 10:29:45 +0100 |
| commit | c9060f9b4289bf9a669ac651a1a7aeb97a28652c (patch) | |
| tree | 82fba1108c2c149ea9ecbb10f10b85b53261ee1d /erts/emulator/beam | |
| parent | dc72c879b68fdf96edfec360e8c311ff7389ecc6 (diff) | |
| download | otp-c9060f9b4289bf9a669ac651a1a7aeb97a28652c.tar.gz otp-c9060f9b4289bf9a669ac651a1a7aeb97a28652c.tar.bz2 otp-c9060f9b4289bf9a669ac651a1a7aeb97a28652c.zip | |
erts: Add SIGHUP signal handler
A received SIGHUP signal to beam will generate a '{notify, sighup}' message
to the registered process 'erl_signal_server'. 'erl_signal_server' is a
gen_event process.
Diffstat (limited to 'erts/emulator/beam')
| -rw-r--r-- | erts/emulator/beam/atom.names | 2 | ||||
| -rw-r--r-- | erts/emulator/beam/register.c | 12 |
2 files changed, 8 insertions, 6 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index b1aeed7889..363b17e27c 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -239,6 +239,7 @@ atom Eq='=:=' atom Eqeq='==' atom erl_tracer atom erlang +atom erl_signal_server atom ERROR='ERROR' atom error_handler atom error_logger @@ -590,6 +591,7 @@ atom set_tcw atom set_tcw_fake atom separate atom shared +atom sighup atom silent atom size atom sl_alloc diff --git a/erts/emulator/beam/register.c b/erts/emulator/beam/register.c index acda51c9fc..7f60710124 100644 --- a/erts/emulator/beam/register.c +++ b/erts/emulator/beam/register.c @@ -272,13 +272,13 @@ erts_whereis_name_to_id(Process *c_p, Eterm name) int ix; HashBucket* b; #ifdef ERTS_SMP - ErtsProcLocks c_p_locks = c_p ? ERTS_PROC_LOCK_MAIN : 0; - -#ifdef ERTS_ENABLE_LOCK_CHECK - if (c_p) ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); -#endif - + ErtsProcLocks c_p_locks = 0; + if (c_p) { + c_p_locks = ERTS_PROC_LOCK_MAIN; + ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(c_p); + } reg_safe_read_lock(c_p, &c_p_locks); + if (c_p && !c_p_locks) erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN); #endif |