From 3da283a85f73132e73ab911154c2c0ff8797d61d Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Tue, 10 May 2011 20:59:36 +0200 Subject: Remove pointless erts_ports_alive variable --- erts/emulator/beam/io.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'erts/emulator/beam/io.c') diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index f619c6f88b..86f550310c 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -56,7 +56,6 @@ static erts_smp_tsd_key_t driver_list_last_error_key; /* Save last DDLL error o per thread basis (for BC interfaces) */ Port* erts_port; /* The port table */ -erts_smp_atomic_t erts_ports_alive; erts_smp_atomic_t erts_bytes_out; /* No bytes sent out of the system */ erts_smp_atomic_t erts_bytes_in; /* No bytes gotten into the system */ @@ -421,7 +420,6 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver, new_name = (char*) erts_alloc(ERTS_ALC_T_PORT_NAME, sys_strlen(name)+1); sys_strcpy(new_name, name); erts_smp_runq_lock(runq); - erts_smp_atomic_inc(&erts_ports_alive); erts_smp_port_state_lock(prt); prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus; prt->snapshot = (Uint32) erts_smp_atomic_read(&erts_ports_snapshot); @@ -1274,7 +1272,6 @@ void init_io(void) erts_smp_atomic_init(&erts_bytes_out, 0); erts_smp_atomic_init(&erts_bytes_in, 0); - erts_smp_atomic_init(&erts_ports_alive, 0); for (i = 0; i < erts_max_ports; i++) { erts_port_task_init_sched(&erts_port[i].sched); -- cgit v1.2.3 From 78ebe8aa3754fc8837ab3a6b0bc11d1e78275eef Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Tue, 10 May 2011 21:12:05 +0200 Subject: Use 32-bit atomic for port snapshot --- erts/emulator/beam/io.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'erts/emulator/beam/io.c') diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 86f550310c..8c1126aa6e 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -189,7 +189,7 @@ typedef struct line_buf_context { static erts_smp_spinlock_t get_free_port_lck; static Uint last_port_num; static Uint port_num_mask; -erts_smp_atomic_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */ +erts_smp_atomic32_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */ static ERTS_INLINE void @@ -422,7 +422,7 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver, erts_smp_runq_lock(runq); erts_smp_port_state_lock(prt); prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus; - prt->snapshot = (Uint32) erts_smp_atomic_read(&erts_ports_snapshot); + prt->snapshot = erts_smp_atomic32_read(&erts_ports_snapshot); old_name = prt->name; prt->name = new_name; #ifdef ERTS_SMP @@ -1293,7 +1293,7 @@ void init_io(void) erts_port[i].port_data_lock = NULL; } - erts_smp_atomic_init(&erts_ports_snapshot, (erts_aint_t) 0); + erts_smp_atomic32_init(&erts_ports_snapshot, (erts_aint32_t) 0); last_port_num = 0; erts_smp_spinlock_init(&get_free_port_lck, "get_free_port"); -- cgit v1.2.3