ose: Remove all code related to the OSE port

The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.

10 files changed, 8 insertions, 116 deletions

diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index f9a2f3e33e..6328b3d18f 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -437,13 +437,6 @@ atom orelse
 atom os_pid
 atom os_type
 atom os_version
-atom ose_bg_proc
-atom ose_int_proc
-atom ose_phantom
-atom ose_pri_proc
-atom ose_process_prio
-atom ose_process_type
-atom ose_ti_proc
 atom out
 atom out_exited
 atom out_exiting
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index 1d5dec4807..4804fb407d 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -394,21 +394,6 @@ type	SYS_WRITE_BUF	BINARY		SYSTEM		sys_write_buf
 
 +endif
 
-+if ose
-
-type	SYS_READ_BUF	TEMPORARY	SYSTEM		sys_read_buf
-type	FD_TAB		LONG_LIVED	SYSTEM		fd_tab
-type	FD_ENTRY_BUF	STANDARD	SYSTEM		fd_entry_buf
-type	FD_SIG_LIST	SHORT_LIVED	SYSTEM		fd_sig_list
-type    DRV_EV		STANDARD	SYSTEM		driver_event
-type	CS_PROG_PATH	LONG_LIVED	SYSTEM		cs_prog_path
-type	ENVIRONMENT	TEMPORARY	SYSTEM		environment
-type	PUTENV_STR	SYSTEM		SYSTEM		putenv_string
-type	PRT_REP_EXIT	STANDARD	SYSTEM		port_report_exit
-
-+endif
-
-
 +if win32
 
 type	DRV_DATA_BUF	SYSTEM		SYSTEM		drv_data_buf
diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c
index f071898046..be0bc0cfec 100644
--- a/erts/emulator/beam/erl_async.c
+++ b/erts/emulator/beam/erl_async.c
@@ -167,7 +167,6 @@ async_ready_q(Uint sched_id)
 
 #endif
 
-
 void
 erts_init_async(void)
 {
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index ef2d41e7a2..e71b87803b 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -690,16 +690,6 @@ EXTERN char *driver_dl_error(void);
 EXTERN int erl_drv_putenv(char *key, char *value);
 EXTERN int erl_drv_getenv(char *key, char *value, size_t *value_size);
 
-#ifdef __OSE__
-typedef ErlDrvUInt ErlDrvOseEventId;
-EXTERN union SIGNAL *erl_drv_ose_get_signal(ErlDrvEvent ev);
-EXTERN ErlDrvEvent erl_drv_ose_event_alloc(SIGSELECT sig, ErlDrvOseEventId handle,
-					   ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig), void *extra);
-EXTERN void erl_drv_ose_event_free(ErlDrvEvent ev);
-EXTERN void erl_drv_ose_event_fetch(ErlDrvEvent ev, SIGSELECT *sig,
-                  ErlDrvOseEventId *handle, void **extra);
-#endif
-
 #endif /* !ERL_DRIVER_TYPES_ONLY */
 
 #ifdef WIN32_DYNAMIC_ERL_DRIVER
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 5c38db1cbc..2c09834d19 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -1734,7 +1734,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp)
 	    reds = ERTS_PORT_REDS_INPUT;
 	    ASSERT((state & ERTS_PORT_SFLGS_DEAD) == 0);
             DTRACE_DRIVER(driver_ready_input, pp);
-	    /* NOTE some windows/ose drivers use ->ready_input
+	    /* NOTE some windows drivers use ->ready_input
 	       for input and output */
 	    (*pp->drv_ptr->ready_input)((ErlDrvData) pp->drv_data,
 					ptp->u.alive.td.io.event);
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 135f09c04d..5b13f74dcb 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -58,11 +58,7 @@
 
 #define ERTS_PROC_MIN_CONTEXT_SWITCH_REDS_COST (CONTEXT_REDS/10)
 
-#ifndef ERTS_SCHED_MIN_SPIN
 #define ERTS_SCHED_SPIN_UNTIL_YIELD 100
-#else
-#define ERTS_SCHED_SPIN_UNTIL_YIELD 1
-#endif
 
 #define ERTS_SCHED_SYS_SLEEP_SPINCOUNT_VERY_LONG 40
 #define ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_VERY_LONG 1000
@@ -152,12 +148,7 @@ extern BeamInstr beam_apply[];
 extern BeamInstr beam_exit[];
 extern BeamInstr beam_continue_exit[];
 
-#ifdef __OSE__
-/* Eager check I/O not supported on OSE yet. */
-int erts_eager_check_io = 0;
-#else
 int erts_eager_check_io = 1;
-#endif
 int erts_sched_compact_load;
 int erts_sched_balance_util = 0;
 Uint erts_no_schedulers;
@@ -2521,19 +2512,10 @@ try_set_sys_scheduling(void)
 #endif
 
 static ERTS_INLINE int
-prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking)
+prepare_for_sys_schedule(int non_blocking)
 {
     if (non_blocking && erts_eager_check_io) {
 #ifdef ERTS_SMP
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
-	if (esdp->no != 1) {
-	    /* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
-	       then we make sure to wake scheduler 1 */
-	    ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
-	    wake_scheduler(rq);
-	    return 0;
-	}
-#endif
 	return try_set_sys_scheduling();
 #else
 	return 1;
@@ -2543,16 +2525,6 @@ prepare_for_sys_schedule(ErtsSchedulerData *esdp, int non_blocking)
 #ifdef ERTS_SMP
 	while (!erts_port_task_have_outstanding_io_tasks()
 	       && try_set_sys_scheduling()) {
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
-	    if (esdp->no != 1) {
-		/* If we are not scheduler 1 and ERTS_SCHED_ONLY_POLL_SCHED_1 is used
-		   then we make sure to wake scheduler 1 */
-		ErtsRunQueue *rq = ERTS_RUNQ_IX(0);
-		clear_sys_scheduling();
-		wake_scheduler(rq);
-		return 0;
-	    }
-#endif
 	    if (!erts_port_task_have_outstanding_io_tasks())
 		return 1;
 	    clear_sys_scheduling();
@@ -2876,8 +2848,6 @@ aux_thread(void *unused)
 		erts_thr_progress_active(NULL, thr_prgr_active = 0);
 	    erts_thr_progress_prepare_wait(NULL);
 
-	    ERTS_SCHED_FAIR_YIELD();
-
 	    flgs = sched_spin_wait(ssi, 0);
 
 	    if (flgs & ERTS_SSI_FLG_SLEEPING) {
@@ -2945,7 +2915,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
      * be waiting in erl_sys_schedule()
      */
 
-    if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(esdp, 0)) {
+    if (ERTS_SCHEDULER_IS_DIRTY(esdp) || !prepare_for_sys_schedule(0)) {
 
 	sched_waiting(esdp->no, rq);
 
@@ -3010,8 +2980,6 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
 			erts_thr_progress_prepare_wait(esdp);
 		    }
 
-		    ERTS_SCHED_FAIR_YIELD();
-
 		    flgs = sched_spin_wait(ssi, spincount);
 		    if (flgs & ERTS_SSI_FLG_SLEEPING) {
 			ASSERT(flgs & ERTS_SSI_FLG_WAITING);
@@ -3082,13 +3050,8 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
 #ifdef ERTS_DIRTY_SCHEDULERS
 	ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp));
 #endif
-
-#ifdef ERTS_SCHED_ONLY_POLL_SCHED_1
-	ASSERT(esdp->no == 1);
-#endif
 	sched_waiting_sys(esdp->no, rq);
 
-
 	erts_smp_runq_unlock(rq);
 
 	ASSERT(working);
@@ -3158,7 +3121,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
 		 * Got to check that we still got I/O tasks; otherwise
 		 * we have to continue checking for I/O...
 		 */
-		if (!prepare_for_sys_schedule(esdp, 0)) {
+		if (!prepare_for_sys_schedule(0)) {
 		    spincount *= ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT;
 		    goto tse_wait;
 		}
@@ -3180,7 +3143,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
 	     * Got to check that we still got I/O tasks; otherwise
 	     * we have to wait in erl_sys_schedule() after all...
 	     */
-	    if (!prepare_for_sys_schedule(esdp, 0)) {
+	    if (!prepare_for_sys_schedule(0)) {
 		/*
 		 * Not allowed to wait in erl_sys_schedule;
 		 * do tse wait instead...
@@ -5301,17 +5264,11 @@ erts_early_init_scheduling(int no_schedulers)
     wakeup_other.threshold = ERTS_SCHED_WAKEUP_OTHER_THRESHOLD_MEDIUM;
     wakeup_other.type = ERTS_SCHED_WAKEUP_OTHER_TYPE_DEFAULT;
 #endif
-#ifndef ERTS_SCHED_MIN_SPIN
     sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM;
     sched_busy_wait.tse = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
 			   * ERTS_SCHED_TSE_SLEEP_SPINCOUNT_FACT);
     sched_busy_wait.aux_work = (ERTS_SCHED_SYS_SLEEP_SPINCOUNT_MEDIUM
 				* ERTS_SCHED_AUX_WORK_SLEEP_SPINCOUNT_FACT_MEDIUM);
-#else
-    sched_busy_wait.sys_schedule = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
-    sched_busy_wait.tse = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
-    sched_busy_wait.aux_work = ERTS_SCHED_SYS_SLEEP_SPINCOUNT_NONE;
-#endif
 }
 
 int
@@ -8187,18 +8144,12 @@ erts_start_schedulers(void)
 
 	erts_snprintf(opts.name, 16, "%lu_scheduler", actual + 1);
 
-#ifdef __OSE__
-        /* This should be done in the bind strategy */
-	opts.coreNo = (actual+1) % ose_num_cpus();
-#endif
-
 	res = ethr_thr_create(&esdp->tid, sched_thread_func, (void*)esdp, &opts);
 
 	if (res != 0) {
            break;
 	}
     }
-
     erts_no_schedulers = actual;
 
 #ifdef ERTS_DIRTY_SCHEDULERS
@@ -8227,10 +8178,6 @@ erts_start_schedulers(void)
 
     erts_snprintf(opts.name, 16, "aux");
 
-#ifdef __OSE__
-    opts.coreNo = 0;
-#endif /* __OSE__ */
-
     res = ethr_thr_create(&aux_tid, aux_thread, NULL, &opts);
     if (res != 0)
 	erl_exit(1, "Failed to create aux thread\n");
@@ -8250,7 +8197,6 @@ erts_start_schedulers(void)
 		      actual, actual == 1 ? " was" : "s were");
 	erts_send_error_to_logger_nogl(dsbufp);
     }
-
 }
 
 #endif /* ERTS_SMP */
@@ -9391,12 +9337,10 @@ Process *schedule(Process *p, int calls)
 	    int leader_update = ERTS_SCHEDULER_IS_DIRTY(esdp) ? 0
 		: erts_thr_progress_update(esdp);
 	    aux_work = erts_atomic32_read_acqb(&esdp->ssi->aux_work);
-	    if (aux_work | leader_update | ERTS_SCHED_FAIR) {
+	    if (aux_work | leader_update) {
 		erts_smp_runq_unlock(rq);
 		if (leader_update)
 		    erts_thr_progress_leader_update(esdp);
-		else if (ERTS_SCHED_FAIR)
-		  ERTS_SCHED_FAIR_YIELD();
 		if (aux_work)
 		    handle_aux_work(&esdp->aux_work_data, aux_work, 0);
 		erts_smp_runq_lock(rq);
@@ -9472,7 +9416,7 @@ Process *schedule(Process *p, int calls)
 	}
 	else if (!ERTS_SCHEDULER_IS_DIRTY(esdp) &&
 		 (fcalls > input_reductions &&
-		  prepare_for_sys_schedule(esdp, !0))) {
+		  prepare_for_sys_schedule(!0))) {
 	    ErtsMonotonicTime current_time;
 	    /*
 	     * Schedule system-level activities.
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 20ffe7ea7c..caac89c087 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -691,13 +691,6 @@ extern ErtsAlignedSchedulerData *erts_aligned_dirty_io_scheduler_data;
 extern ErtsSchedulerData *erts_scheduler_data;
 #endif
 
-#ifdef ERTS_SCHED_FAIR
-#define ERTS_SCHED_FAIR_YIELD() ETHR_YIELD()
-#else
-#define ERTS_SCHED_FAIR 0
-#define ERTS_SCHED_FAIR_YIELD()
-#endif
-
 #if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
 int erts_smp_lc_runq_is_locked(ErtsRunQueue *);
 #endif
diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c
index e1b03a057f..3a74d752fe 100644
--- a/erts/emulator/beam/erl_trace.c
+++ b/erts/emulator/beam/erl_trace.c
@@ -3297,8 +3297,6 @@ sys_msg_dispatcher_func(void *unused)
 	    if (erts_thr_progress_update(NULL))
 		erts_thr_progress_leader_update(NULL);
 
-	    ERTS_SCHED_FAIR_YIELD();
-
 #ifdef DEBUG_PRINTOUTS
 	    print_msg_type(smqp);
 #endif
@@ -3453,9 +3451,6 @@ static void
 init_sys_msg_dispatcher(void)
 {
     erts_smp_thr_opts_t thr_opts = ERTS_SMP_THR_OPTS_DEFAULT_INITER;
-#ifdef __OSE__
-    thr_opts.coreNo   = 0;
-#endif
     thr_opts.detached = 1;
     thr_opts.name = "sys_msg_dispatcher";
     init_smq_element_alloc();
@@ -3463,7 +3458,6 @@ init_sys_msg_dispatcher(void)
     sys_message_queue_end = NULL;
     erts_smp_cnd_init(&smq_cnd);
     erts_smp_mtx_init(&smq_mtx, "sys_msg_q");
-
     erts_smp_thr_create(&sys_msg_dispatcher_tid,
 			sys_msg_dispatcher_func,
 			NULL,
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 6b4b90cb06..d754fc634e 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -52,9 +52,7 @@
 #include "erl_hl_timer.h"
 
 extern ErlDrvEntry fd_driver_entry;
-#ifndef __OSE__
 extern ErlDrvEntry vanilla_driver_entry;
-#endif
 extern ErlDrvEntry spawn_driver_entry;
 extern ErlDrvEntry *driver_tab[]; /* table of static drivers, only used during initialization */
 
@@ -2794,9 +2792,7 @@ void erts_init_io(int port_tab_size,
     erts_smp_rwmtx_rwlock(&erts_driver_list_lock);
 
     init_driver(&fd_driver, &fd_driver_entry, NULL);
-#ifndef __OSE__
     init_driver(&vanilla_driver, &vanilla_driver_entry, NULL);
-#endif
     init_driver(&spawn_driver, &spawn_driver_entry, NULL);
     erts_init_static_drivers();
     for (dp = driver_tab; *dp != NULL; dp++)
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 14eeb0ee8f..34011147d9 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -74,9 +74,7 @@
 
 #if defined (__WIN32__)
 #  include "erl_win_sys.h"
-#elif defined (__OSE__)
-#  include "erl_ose_sys.h"
-#else 
+#else
 #  include "erl_unix_sys.h"
 #ifndef UNIX
 #  define UNIX 1