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authorLukas Larsson <[email protected]>2013-03-14 15:42:19 +0100
committerLukas Larsson <[email protected]>2014-02-24 15:15:55 +0100
commit200fbe924466720bd2a8c5eb05b05d67b0a2414c (patch)
treee78056a1247d75978646b629cd0e01688e65ff58 /erts/emulator/sys
parentfdcdaca338849d7f63d4300e489318f6ee275d82 (diff)
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Added support for ENEA OSE
This port has support for both non-smp and smp. It contains a new way to do io checking in which erts_poll_wait receives the payload of the polled entity. This has implications for all linked-in drivers.
Diffstat (limited to 'erts/emulator/sys')
-rw-r--r--erts/emulator/sys/common/erl_check_io.c115
-rw-r--r--erts/emulator/sys/common/erl_poll.h10
-rw-r--r--erts/emulator/sys/ose/default.lmconf10
-rw-r--r--erts/emulator/sys/ose/erl_main.c70
-rw-r--r--erts/emulator/sys/ose/erl_ose_sys.h238
-rw-r--r--erts/emulator/sys/ose/erl_ose_sys_ddll.c197
-rw-r--r--erts/emulator/sys/ose/erl_poll.c748
-rw-r--r--erts/emulator/sys/ose/gcc_lm.lcf146
-rw-r--r--erts/emulator/sys/ose/gcc_lm_ppc.lcf219
-rw-r--r--erts/emulator/sys/ose/gcc_lm_x86_4.4.3.lcf277
-rw-r--r--erts/emulator/sys/ose/gcc_lm_x86_4.6.3.lcf252
-rw-r--r--erts/emulator/sys/ose/sys.c1820
-rw-r--r--erts/emulator/sys/ose/sys_float.c844
-rw-r--r--erts/emulator/sys/ose/sys_time.c56
14 files changed, 4992 insertions, 10 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 7035dc77df..dab056e2df 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -34,6 +34,7 @@
#endif
#include "sys.h"
#include "global.h"
+#include "erl_port.h"
#include "erl_check_io.h"
#include "erl_thr_progress.h"
#include "dtrace-wrapper.h"
@@ -78,6 +79,12 @@ typedef char EventStateFlags;
#define ERTS_CIO_POLL_INIT ERTS_POLL_EXPORT(erts_poll_init)
#define ERTS_CIO_POLL_INFO ERTS_POLL_EXPORT(erts_poll_info)
+#ifdef __OSE__
+#define GET_FD(fd) fd->id
+#else
+#define GET_FD(fd) fd
+#endif
+
static struct pollset_info
{
ErtsPollSet ps;
@@ -435,7 +442,11 @@ deselect(ErtsDrvEventState *state, int mode)
}
}
- state->events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, rm_events, 0, &do_wake);
+ state->events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, rm_events, 0, &do_wake
+#ifdef __OSE__
+ ,NULL
+#endif
+ );
if (!(state->events)) {
switch (state->type) {
@@ -584,7 +595,11 @@ ERTS_CIO_EXPORT(driver_select)(ErlDrvPort ix,
wake_poller = 1;
}
- new_events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, ctl_events, on, &wake_poller);
+ new_events = ERTS_CIO_POLL_CTL(pollset.ps, state->fd, ctl_events, on, &wake_poller
+#ifdef __OSE__
+ ,prt->drv_ptr->resolve_signal
+#endif
+ );
if (new_events & (ERTS_POLL_EV_ERR|ERTS_POLL_EV_NVAL)) {
if (state->type == ERTS_EV_TYPE_DRV_SEL && !state->events) {
@@ -894,7 +909,7 @@ print_driver_name(erts_dsprintf_buf_t *dsbufp, Eterm id)
static void
steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode)
{
- erts_dsprintf(dsbufp, "stealing control of fd=%d from ", (int) state->fd);
+ erts_dsprintf(dsbufp, "stealing control of fd=%d from ", (int) GET_FD(state->fd));
switch (state->type) {
case ERTS_EV_TYPE_DRV_SEL: {
int deselect_mode = 0;
@@ -918,7 +933,7 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode)
if (deselect_mode)
deselect(state, deselect_mode);
else {
- erts_dsprintf(dsbufp, "no one", (int) state->fd);
+ erts_dsprintf(dsbufp, "no one", (int) GET_FD(state->fd));
ASSERT(0);
}
erts_dsprintf(dsbufp, "\n");
@@ -946,7 +961,7 @@ steal(erts_dsprintf_buf_t *dsbufp, ErtsDrvEventState *state, int mode)
break;
}
default:
- erts_dsprintf(dsbufp, "no one\n", (int) state->fd);
+ erts_dsprintf(dsbufp, "no one\n", (int) GET_FD(state->fd));
ASSERT(0);
}
}
@@ -957,14 +972,21 @@ print_select_op(erts_dsprintf_buf_t *dsbufp,
{
Port *pp = erts_drvport2port(ix);
erts_dsprintf(dsbufp,
+#ifdef __OSE__
+ "driver_select(%p, %d,%s%s%s%s | %d, %d) "
+#else
"driver_select(%p, %d,%s%s%s%s, %d) "
+#endif
"by ",
ix,
- (int) fd,
+ (int) GET_FD(fd),
mode & ERL_DRV_READ ? " ERL_DRV_READ" : "",
mode & ERL_DRV_WRITE ? " ERL_DRV_WRITE" : "",
mode & ERL_DRV_USE ? " ERL_DRV_USE" : "",
mode & (ERL_DRV_USE_NO_CALLBACK & ~ERL_DRV_USE) ? "_NO_CALLBACK" : "",
+#ifdef __OSE__
+ fd->signo,
+#endif
on);
print_driver_name(dsbufp, pp != ERTS_INVALID_ERL_DRV_PORT ? pp->common.id : NIL);
erts_dsprintf(dsbufp, "driver %T ", pp != ERTS_INVALID_ERL_DRV_PORT ? pp->common.id : NIL);
@@ -1010,7 +1032,7 @@ steal_pending_stop_select(erts_dsprintf_buf_t *dsbufp, ErlDrvPort ix,
ASSERT(state->type == ERTS_EV_TYPE_STOP_USE);
erts_dsprintf(dsbufp, "failed: fd=%d (re)selected before stop_select "
"was called for driver %s\n",
- (int) state->fd, state->driver.drv_ptr->name);
+ (int) GET_FD(state->fd), state->driver.drv_ptr->name);
erts_send_error_to_logger_nogl(dsbufp);
if (on) {
@@ -1395,6 +1417,20 @@ stale_drv_select(Eterm id, ErtsDrvEventState *state, int mode)
}
#ifndef ERTS_SYS_CONTINOUS_FD_NUMBERS
+#ifdef __OSE__
+static SafeHashValue drv_ev_state_hash(void *des)
+{
+ SafeHashValue val = (SafeHashValue) ((ErtsDrvEventState *) des)->fd;
+ return val ^ (val >> 8); /* Good enough for aligned pointer values? */
+}
+
+static int drv_ev_state_cmp(void *des1, void *des2)
+{
+ return ( ((((ErtsDrvEventState *) des1)->fd->id == ((ErtsDrvEventState *) des2)->fd->id)
+ && (((ErtsDrvEventState *) des1)->fd->signo == ((ErtsDrvEventState *) des2)->fd->signo))
+ ? 0 : 1);
+}
+#else
static SafeHashValue drv_ev_state_hash(void *des)
{
SafeHashValue val = (SafeHashValue) ((ErtsDrvEventState *) des)->fd;
@@ -1406,6 +1442,7 @@ static int drv_ev_state_cmp(void *des1, void *des2)
return ( ((ErtsDrvEventState *) des1)->fd == ((ErtsDrvEventState *) des2)->fd
? 0 : 1);
}
+#endif
static void *drv_ev_state_alloc(void *des_tmpl)
{
@@ -1436,7 +1473,69 @@ static void drv_ev_state_free(void *des)
erts_smp_spin_unlock(&state_prealloc_lock);
}
#endif
+#ifdef __OSE__
+OseSignal *erl_drv_ose_get_input_signal(ErlDrvEvent drv_ev) {
+ struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
+ ethr_mutex_lock(&ev->mtx);
+ if (ev->imsgs == NULL) {
+ ethr_mutex_unlock(&ev->mtx);
+ return NULL;
+ } else {
+ ErtsPollOseMsgList *msg = ev->imsgs;
+ OseSignal *sig = (OseSignal*)msg->data;
+ ASSERT(msg->data);
+ ev->imsgs = msg->next;
+ ethr_mutex_unlock(&ev->mtx);
+ erts_free(ERTS_ALC_T_FD_SIG_LIST,msg);
+ restore(sig);
+ return sig;
+ }
+}
+
+OseSignal *erl_drv_ose_get_output_signal(ErlDrvEvent drv_ev) {
+ struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
+ ethr_mutex_lock(&ev->mtx);
+ if (ev->omsgs == NULL) {
+ ethr_mutex_unlock(&ev->mtx);
+ return NULL;
+ } else {
+ ErtsPollOseMsgList *msg = ev->omsgs;
+ OseSignal *sig = (OseSignal*)msg->data;
+ ASSERT(msg->data);
+ ev->omsgs = msg->next;
+ ethr_mutex_unlock(&ev->mtx);
+ erts_free(ERTS_ALC_T_FD_SIG_LIST,msg);
+ restore(sig);
+ return sig;
+ }
+}
+ErlDrvEvent erl_drv_ose_event_alloc(SIGSELECT signo, int id) {
+ struct erts_sys_fd_type *ev = erts_alloc(ERTS_ALC_T_DRV_EV,
+ sizeof(struct erts_sys_fd_type));
+ ev->signo = signo;
+ ev->id = id;
+ ev->imsgs = NULL;
+ ev->omsgs = NULL;
+ ethr_mutex_init(&ev->mtx);
+ return (ErlDrvEvent)ev;
+}
+
+void erl_drv_ose_event_free(ErlDrvEvent drv_ev) {
+ struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
+ ethr_mutex_destroy(&ev->mtx);
+ erts_free(ERTS_ALC_T_DRV_EV,ev);
+}
+
+void erl_drv_ose_event_fetch(ErlDrvEvent drv_ev, SIGSELECT *signo, int *id) {
+ struct erts_sys_fd_type *ev = (struct erts_sys_fd_type *)drv_ev;
+ if (signo)
+ *signo = ev->signo;
+ if (id)
+ *id = ev->id;
+}
+
+#endif
void
ERTS_CIO_EXPORT(erts_init_check_io)(void)
{
@@ -1882,12 +1981,14 @@ ERTS_CIO_EXPORT(erts_check_io_debug)(void)
int fd, len;
#endif
IterDebugCounters counters;
+#ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS
ErtsDrvEventState null_des;
null_des.driver.select = NULL;
null_des.events = 0;
null_des.remove_cnt = 0;
null_des.type = ERTS_EV_TYPE_NONE;
+#endif
erts_printf("--- fds in pollset --------------------------------------\n");
diff --git a/erts/emulator/sys/common/erl_poll.h b/erts/emulator/sys/common/erl_poll.h
index 09ed9f41af..e1ea8fb207 100644
--- a/erts/emulator/sys/common/erl_poll.h
+++ b/erts/emulator/sys/common/erl_poll.h
@@ -90,7 +90,7 @@
# if defined(ERTS_USE_POLL)
# undef ERTS_POLL_USE_POLL
# define ERTS_POLL_USE_POLL 1
-# elif !defined(__WIN32__)
+# elif !defined(__WIN32__) && !defined(__OSE__)
# undef ERTS_POLL_USE_SELECT
# define ERTS_POLL_USE_SELECT 1
# endif
@@ -99,7 +99,7 @@
typedef Uint32 ErtsPollEvents;
#undef ERTS_POLL_EV_E2N
-#if defined(__WIN32__) /* --- win32 ------------------------------- */
+#if defined(__WIN32__) || defined(__OSE__) /* --- win32 or ose -------- */
#define ERTS_POLL_EV_IN 1
#define ERTS_POLL_EV_OUT 2
@@ -228,7 +228,11 @@ ErtsPollEvents ERTS_POLL_EXPORT(erts_poll_control)(ErtsPollSet,
ErtsSysFdType,
ErtsPollEvents,
int on,
- int* wake_poller);
+ int* wake_poller
+#ifdef __OSE__
+ ,int (*decode)(OseSignal* sig, int* mode)
+#endif
+ );
void ERTS_POLL_EXPORT(erts_poll_controlv)(ErtsPollSet,
ErtsPollControlEntry [],
int on);
diff --git a/erts/emulator/sys/ose/default.lmconf b/erts/emulator/sys/ose/default.lmconf
new file mode 100644
index 0000000000..f897872fa2
--- /dev/null
+++ b/erts/emulator/sys/ose/default.lmconf
@@ -0,0 +1,10 @@
+OSE_LM_STACK_SIZES=256,512,1024,2048,4096,8192,16384,65536
+OSE_LM_SIGNAL_SIZES=31,63,127,255,1023,4095,16383,65535
+OSE_LM_POOL_SIZE=0x200000
+OSE_LM_MAIN_NAME=main
+OSE_LM_MAIN_STACK_SIZE=0x400
+OSE_LM_MAIN_PRIORITY=20
+OSE_LM_PROGRAM_TYPE=SYS_RAM
+OSE_LM_DATA_INIT=YES
+OSE_LM_BSS_INIT=YES
+OSE_LM_EXEC_MODEL=SHARED
diff --git a/erts/emulator/sys/ose/erl_main.c b/erts/emulator/sys/ose/erl_main.c
new file mode 100644
index 0000000000..21cfce9463
--- /dev/null
+++ b/erts/emulator/sys/ose/erl_main.c
@@ -0,0 +1,70 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2000-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include "sys.h"
+#include "erl_vm.h"
+#include "global.h"
+
+#include "shell.h"
+#include "ramlog.h"
+#include "ose_err/ose_err.h"
+
+static PROCESS mainPid;
+
+#ifdef DEBUG
+static OSADDRESS err_handler(OSBOOLEAN user_called, OSERRCODE ecode, OSERRCODE extra) {
+ fprintf(stderr,"err_handler: %p %p\n",ecode,extra);
+ return 1;
+}
+#endif
+
+static int
+cmd_ek(int argc, char **argv) {
+ kill_proc(mainPid);
+ return 0;
+}
+
+static int
+cmd_erl_start(int argc, char **argv) {
+ ramlog_printf("\n");
+ ramlog_printf("================================================================\n");
+ ramlog_printf("\n");
+#ifdef DEBUG
+ create_error_handler(get_bid(current_process()),err_handler,0x100);
+#endif
+ erl_start(argc, argv);
+ return 0;
+}
+
+int
+main(int argc, char **argv) {
+ mainPid = current_process();
+
+ shell_add_cmd_attrs("start_beam", "start_beam [params]", "Start the Erlang VM",
+ cmd_erl_start, OS_PRI_PROC, 20, 0xF000);
+
+ shell_add_cmd_attrs("ek", "ek", "Kills the Erlang VM",
+ cmd_ek, OS_PRI_PROC, 20, 0x100);
+
+ stop(current_process());
+
+ return 0;
+}
diff --git a/erts/emulator/sys/ose/erl_ose_sys.h b/erts/emulator/sys/ose/erl_ose_sys.h
new file mode 100644
index 0000000000..a3308e9ba4
--- /dev/null
+++ b/erts/emulator/sys/ose/erl_ose_sys.h
@@ -0,0 +1,238 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 1997-2011. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ *
+ * This file handles differences between different Unix systems.
+ * This should be the only place with conditional compilation
+ * depending on the type of OS.
+ */
+
+#ifndef _ERL_OSE_SYS_H
+#define _ERL_OSE_SYS_H
+
+#include "ose.h"
+#undef NIL
+#include "ramlog.h"
+
+#include "fcntl.h"
+#include "math.h"
+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+#include "sys/param.h"
+#include "sys/time.h"
+#include "time.h"
+#include "dirent.h"
+#include "ethread.h"
+
+/* FIXME: configuration options */
+#define ERTS_SCHED_MIN_SPIN
+#define ERTS_SCHED_ONLY_POLL_SCHED_1
+#define NO_SYSCONF 1
+#define OPEN_MAX FOPEN_MAX
+
+#define MAP_ANON MAP_ANONYMOUS
+
+#ifndef HAVE_MMAP
+# define HAVE_MMAP 0
+#endif
+
+#if HAVE_MMAP
+# include "sys/mman.h"
+#endif
+
+typedef struct ErtsPollOseMsgList_ {
+ struct ErtsPollOseMsgList_ *next;
+ void *data;
+} ErtsPollOseMsgList;
+
+struct erts_sys_fd_type {
+ SIGSELECT signo;
+ int id;
+ ErtsPollOseMsgList *imsgs;
+ ErtsPollOseMsgList *omsgs;
+ ethr_mutex mtx;
+};
+
+
+/*
+ * Our own type of "FD's"
+ */
+#define ERTS_SYS_FD_TYPE struct erts_sys_fd_type*
+#define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are signals, not files */
+
+#include "sys/stat.h"
+
+/* FIXME mremap is not defined in OSE - POSIX issue */
+extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
+ int __flags, ...);
+
+/* FIXME: mremap constants */
+#define MREMAP_MAYMOVE 1
+#define MREMAP_FIXED 2
+
+typedef void *GETENV_STATE;
+
+/*
+** For the erl_timer_sup module.
+*/
+#define HAVE_GETHRTIME
+
+typedef long long SysHrTime;
+extern SysHrTime sys_gethrtime(void);
+
+void sys_init_hrtime(void);
+
+typedef time_t erts_time_t;
+
+typedef struct timeval SysTimeval;
+
+#define sys_gettimeofday(Arg) ((void) gettimeofday((Arg), NULL))
+
+typedef struct {
+ clock_t tms_utime;
+ clock_t tms_stime;
+ clock_t tms_cutime;
+ clock_t tms_cstime;
+} SysTimes;
+
+extern int erts_ticks_per_sec;
+
+#define SYS_CLK_TCK (erts_ticks_per_sec)
+
+extern clock_t sys_times(SysTimes *buffer);
+
+/* No use in having other resolutions than 1 Ms. */
+#define SYS_CLOCK_RESOLUTION 1
+
+#ifdef NO_FPE_SIGNALS
+
+#define erts_get_current_fp_exception() NULL
+#ifdef ERTS_SMP
+#define erts_thread_init_fp_exception() do{}while(0)
+#endif
+# define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0)
+# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!finite(f)) { Action; } else {}
+# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action)
+# define __ERTS_SAVE_FP_EXCEPTION(fpexnp)
+# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp)
+
+#define erts_sys_block_fpe() 0
+#define erts_sys_unblock_fpe(x) do{}while(0)
+
+#else /* !NO_FPE_SIGNALS */
+
+extern volatile unsigned long *erts_get_current_fp_exception(void);
+#ifdef ERTS_SMP
+extern void erts_thread_init_fp_exception(void);
+#endif
+# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
+# define erts_fwait(fpexnp,f) \
+ __asm__ __volatile__("fwait" : "=m"(*(fpexnp)) : "m"(f))
+# elif (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__)
+# define erts_fwait(fpexnp,f) \
+ __asm__ __volatile__("" : "=m"(*(fpexnp)) : "fm"(f))
+# elif defined(__sparc__) && defined(__linux__) && defined(__GNUC__)
+# define erts_fwait(fpexnp,f) \
+ __asm__ __volatile__("" : "=m"(*(fpexnp)) : "em"(f))
+# else
+# define erts_fwait(fpexnp,f) \
+ __asm__ __volatile__("" : "=m"(*(fpexnp)) : "g"(f))
+# endif
+# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
+ extern void erts_restore_fpu(void);
+# else
+# define erts_restore_fpu() /*empty*/
+# endif
+# if (!defined(__GNUC__) || \
+ (__GNUC__ < 2) || \
+ (__GNUC__ == 2 && __GNUC_MINOR < 96)) && \
+ !defined(__builtin_expect)
+# define __builtin_expect(x, expected_value) (x)
+# endif
+static __inline__ int erts_check_fpe(volatile unsigned long *fp_exception, double f)
+{
+ erts_fwait(fp_exception, f);
+ if (__builtin_expect(*fp_exception == 0, 1))
+ return 0;
+ *fp_exception = 0;
+ erts_restore_fpu();
+ return 1;
+}
+# undef erts_fwait
+# undef erts_restore_fpu
+extern void erts_fp_check_init_error(volatile unsigned long *fp_exception);
+static __inline__ void __ERTS_FP_CHECK_INIT(volatile unsigned long *fp_exception)
+{
+ if (__builtin_expect(*fp_exception == 0, 1))
+ return;
+ erts_fp_check_init_error(fp_exception);
+}
+# define __ERTS_FP_ERROR(fpexnp, f, Action) do { if (erts_check_fpe((fpexnp),(f))) { Action; } } while (0)
+# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) unsigned long old_erl_fp_exception = *(fpexnp)
+# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) \
+ do { *(fpexnp) = old_erl_fp_exception; } while (0)
+ /* This is for library calls where we don't trust the external
+ code to always throw floating-point exceptions on errors. */
+static __inline__ int erts_check_fpe_thorough(volatile unsigned long *fp_exception, double f)
+{
+ return erts_check_fpe(fp_exception, f) || !finite(f);
+}
+# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) \
+ do { if (erts_check_fpe_thorough((fpexnp),(f))) { Action; } } while (0)
+
+int erts_sys_block_fpe(void);
+void erts_sys_unblock_fpe(int);
+
+#endif /* !NO_FPE_SIGNALS */
+
+#define ERTS_FP_CHECK_INIT(p) __ERTS_FP_CHECK_INIT(&(p)->fp_exception)
+#define ERTS_FP_ERROR(p, f, A) __ERTS_FP_ERROR(&(p)->fp_exception, f, A)
+#define ERTS_FP_ERROR_THOROUGH(p, f, A) __ERTS_FP_ERROR_THOROUGH(&(p)->fp_exception, f, A)
+
+/* FIXME: force HAVE_GETPAGESIZE and stub getpagesize */
+#ifndef HAVE_GETPAGESIZE
+#define HAVE_GETPAGESIZE 1
+#endif
+
+extern int getpagesize(void);
+
+#ifndef HZ
+#define HZ 60
+#endif
+
+/* OSE5 doesn't provide limits.h so a number of macros should be
+ * added manually */
+
+#ifndef CHAR_BIT
+#define CHAR_BIT 8
+#endif
+
+/* Minimum and maximum values a `signed int' can hold. */
+#ifndef INT_MAX
+#define INT_MAX 2147483647
+#endif
+
+#ifndef INT_MIN
+#define INT_MIN (-INT_MAX - 1)
+#endif
+
+#ifndef UINT_MAX
+# define UINT_MAX 4294967295U
+#endif
+
+#endif /* _ERL_OSE_SYS_H */
diff --git a/erts/emulator/sys/ose/erl_ose_sys_ddll.c b/erts/emulator/sys/ose/erl_ose_sys_ddll.c
new file mode 100644
index 0000000000..4121199096
--- /dev/null
+++ b/erts/emulator/sys/ose/erl_ose_sys_ddll.c
@@ -0,0 +1,197 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2006-2013. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Interface functions to the dynamic linker using dl* functions.
+ * (As far as I know it works on SunOS 4, 5, Linux and FreeBSD. /Seb)
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sys.h"
+#include "erl_vm.h"
+#include "global.h"
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+
+/* some systems do not have RTLD_NOW defined, and require the "mode"
+ * argument to dload() always be 1.
+ */
+#ifndef RTLD_NOW
+# define RTLD_NOW 1
+#endif
+
+#define MAX_NAME_LEN 255 /* XXX should we get the system path size? */
+#define EXT_LEN 3
+#define FILE_EXT ".so" /* extension appended to the filename */
+
+static char **errcodes = NULL;
+static int num_errcodes = 0;
+static int num_errcodes_allocated = 0;
+
+#define my_strdup(WHAT) my_strdup_in(ERTS_ALC_T_DDLL_ERRCODES, WHAT);
+
+static char *my_strdup_in(ErtsAlcType_t type, char *what)
+{
+ char *res = erts_alloc(type, strlen(what) + 1);
+ strcpy(res, what);
+ return res;
+}
+
+
+static int find_errcode(char *string, ErtsSysDdllError* err)
+{
+ int i;
+
+ if (err != NULL) {
+ erts_sys_ddll_free_error(err); /* in case we ignored an earlier error */
+ err->str = my_strdup_in(ERTS_ALC_T_DDLL_TMP_BUF, string);
+ return 0;
+ }
+ for(i=0;i<num_errcodes;++i) {
+ if (!strcmp(string, errcodes[i])) {
+ return i;
+ }
+ }
+ if (num_errcodes_allocated == num_errcodes) {
+ errcodes = (num_errcodes_allocated == 0)
+ ? erts_alloc(ERTS_ALC_T_DDLL_ERRCODES,
+ (num_errcodes_allocated = 10) * sizeof(char *))
+ : erts_realloc(ERTS_ALC_T_DDLL_ERRCODES, errcodes,
+ (num_errcodes_allocated += 10) * sizeof(char *));
+ }
+ errcodes[num_errcodes++] = my_strdup(string);
+ return (num_errcodes - 1);
+}
+
+void erl_sys_ddll_init(void) {
+}
+
+/*
+ * Open a shared object
+ */
+int erts_sys_ddll_open2(const char *full_name, void **handle, ErtsSysDdllError* err)
+{
+ return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
+}
+
+int erts_sys_ddll_open_noext(char *dlname, void **handle, ErtsSysDdllError* err)
+{
+ return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
+}
+
+/*
+ * Find a symbol in the shared object
+ */
+int erts_sys_ddll_sym2(void *handle, const char *func_name, void **function,
+ ErtsSysDdllError* err)
+{
+ return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
+}
+
+/* XXX:PaN These two will be changed with new driver interface! */
+
+/*
+ * Load the driver init function, might appear under different names depending on object arch...
+ */
+
+int erts_sys_ddll_load_driver_init(void *handle, void **function)
+{
+ void *fn;
+ int res;
+ if ((res = erts_sys_ddll_sym2(handle, "driver_init", &fn, NULL)) != ERL_DE_NO_ERROR) {
+ res = erts_sys_ddll_sym2(handle, "_driver_init", &fn, NULL);
+ }
+ if (res == ERL_DE_NO_ERROR) {
+ *function = fn;
+ }
+ return res;
+}
+
+int erts_sys_ddll_load_nif_init(void *handle, void **function, ErtsSysDdllError* err)
+{
+ void *fn;
+ int res;
+ if ((res = erts_sys_ddll_sym2(handle, "nif_init", &fn, err)) != ERL_DE_NO_ERROR) {
+ res = erts_sys_ddll_sym2(handle, "_nif_init", &fn, err);
+ }
+ if (res == ERL_DE_NO_ERROR) {
+ *function = fn;
+ }
+ return res;
+}
+
+/*
+ * Call the driver_init function, whatever it's really called, simple on unix...
+*/
+void *erts_sys_ddll_call_init(void *function) {
+ void *(*initfn)(void) = function;
+ return (*initfn)();
+}
+void *erts_sys_ddll_call_nif_init(void *function) {
+ return erts_sys_ddll_call_init(function);
+}
+
+
+
+/*
+ * Close a chared object
+ */
+int erts_sys_ddll_close2(void *handle, ErtsSysDdllError* err)
+{
+ return ERL_DE_ERROR_NO_DDLL_FUNCTIONALITY;
+}
+
+
+/*
+ * Return string that describes the (current) error
+ */
+char *erts_sys_ddll_error(int code)
+{
+ int actual_code;
+
+ if (code > ERL_DE_DYNAMIC_ERROR_OFFSET) {
+ return "Unspecified error";
+ }
+ actual_code = -1*(code - ERL_DE_DYNAMIC_ERROR_OFFSET);
+#if defined(HAVE_DLOPEN)
+ {
+ char *msg;
+
+ if (actual_code >= num_errcodes) {
+ msg = "Unknown dlload error";
+ } else {
+ msg = errcodes[actual_code];
+ }
+ return msg;
+ }
+#endif
+ return "no error";
+}
+
+void erts_sys_ddll_free_error(ErtsSysDdllError* err)
+{
+ if (err->str != NULL) {
+ erts_free(ERTS_ALC_T_DDLL_TMP_BUF, err->str);
+ }
+}
diff --git a/erts/emulator/sys/ose/erl_poll.c b/erts/emulator/sys/ose/erl_poll.c
new file mode 100644
index 0000000000..878bd362e4
--- /dev/null
+++ b/erts/emulator/sys/ose/erl_poll.c
@@ -0,0 +1,748 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2006-2012. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Description: Poll interface suitable for ERTS on OSE with or without
+ * SMP support.
+ *
+ * The interface is currently implemented using:
+ * - receive + receive_fsem
+ *
+ * Author: Lukas Larsson
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "erl_thr_progress.h"
+#include "erl_driver.h"
+#include "erl_alloc.h"
+#include "erl_poll.h"
+
+#define NOFILE 4096
+
+/*
+ * Some debug macros
+ */
+
+/* #define HARDDEBUG
+#define HARDTRACE*/
+#ifdef HARDDEBUG
+#ifdef HARDTRACE
+#define HARDTRACEF(X, ...) { fprintf(stderr, X, __VA_ARGS__); fprintf(stderr,"\r\n"); }
+#else
+#define HARDTRACEF(...)
+#endif
+
+#else
+#define HARDTRACEF(X,...)
+#define HARDDEBUGF(...)
+#endif
+
+#if 0
+#define ERTS_POLL_DEBUG_PRINT
+#endif
+
+#if defined(DEBUG) && 0
+#define HARD_DEBUG
+#endif
+
+# define SEL_ALLOC erts_alloc
+# define SEL_REALLOC realloc_wrap
+# define SEL_FREE erts_free
+
+#define ERTS_POLL_INVALID_SIGNO 12345
+
+#ifdef ERTS_SMP
+
+#define ERTS_POLLSET_LOCK(PS) \
+ erts_smp_mtx_lock(&(PS)->mtx)
+#define ERTS_POLLSET_UNLOCK(PS) \
+ erts_smp_mtx_unlock(&(PS)->mtx)
+
+#else
+
+#define ERTS_POLLSET_LOCK(PS)
+#define ERTS_POLLSET_UNLOCK(PS)
+
+#endif
+
+/*
+ * --- Data types ------------------------------------------------------------
+ */
+
+union SIGNAL {
+ SIGSELECT sig_no;
+};
+
+typedef struct erts_sigsel_item_ ErtsSigSelItem;
+
+struct erts_sigsel_item_ {
+ ErtsSigSelItem *next;
+ ErtsSysFdType fd;
+ ErtsPollEvents events;
+};
+
+typedef struct erts_sigsel_info_ ErtsSigSelInfo;
+
+struct erts_sigsel_info_ {
+ ErtsSigSelInfo *next;
+ SIGSELECT signo;
+ int (*decode)(OseSignal* sig, int* mode);
+ ErtsSigSelItem *fds;
+};
+
+struct ErtsPollSet_ {
+ SIGSELECT *sigs;
+ ErtsSigSelInfo *info;
+ Uint sig_count;
+ Uint item_count;
+ PROCESS interrupt;
+ erts_atomic32_t wakeup_state;
+ erts_smp_atomic32_t timeout;
+#ifdef ERTS_SMP
+ erts_smp_mtx_t mtx;
+#endif
+};
+
+static int max_fds = -1;
+
+#define ERTS_POLL_NOT_WOKEN ((erts_aint32_t) (1 << 0))
+#define ERTS_POLL_WOKEN_INTR ((erts_aint32_t) (1 << 1))
+#define ERTS_POLL_WOKEN_TIMEDOUT ((erts_aint32_t) (1 << 2))
+#define ERTS_POLL_WOKEN_IO_READY ((erts_aint32_t) (1 << 3))
+#define ERTS_POLL_SLEEPING ((erts_aint32_t) (1 << 4))
+
+/* signal list prototypes */
+static ErtsSigSelInfo *get_sigsel_info(ErtsPollSet ps, SIGSELECT signo);
+static ErtsSigSelItem *get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd);
+static ErtsSigSelInfo *add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd, int (*decode)(OseSignal* sig, int* mode));
+static ErtsSigSelItem *add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd, int (*decode)(OseSignal* sig, int* mode));
+static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info);
+static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item);
+static int update_sigsel(ErtsPollSet ps);
+
+static ErtsSigSelInfo *
+get_sigsel_info(ErtsPollSet ps, SIGSELECT signo) {
+ ErtsSigSelInfo *curr = ps->info;
+ while (curr != NULL) {
+ if (curr->signo == signo)
+ return curr;
+ curr = curr->next;
+ }
+ return NULL;
+}
+
+static ErtsSigSelItem *
+get_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd) {
+ ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo);
+ ErtsSigSelItem *curr;
+
+ if (info == NULL)
+ return NULL;
+
+ curr = info->fds;
+
+ while (curr != NULL) {
+ if (curr->fd->id == fd->id) {
+ ASSERT(curr->fd->signo == fd->signo);
+ return curr;
+ }
+ curr = curr->next;
+ }
+ return NULL;
+}
+
+static ErtsSigSelInfo *
+add_sigsel_info(ErtsPollSet ps, ErtsSysFdType fd,
+ int (*decode)(OseSignal* sig, int* mode)) {
+ ErtsSigSelInfo *info = SEL_ALLOC(ERTS_ALC_T_POLLSET,
+ sizeof(ErtsSigSelInfo));
+ info->next = ps->info;
+ info->fds = NULL;
+ info->signo = fd->signo;
+ info->decode = decode;
+ ps->info = info;
+ ps->sig_count++;
+ return info;
+}
+
+static ErtsSigSelItem *
+add_sigsel_item(ErtsPollSet ps, ErtsSysFdType fd,
+ int (*decode)(OseSignal* sig, int* mode)) {
+ ErtsSigSelInfo *info = get_sigsel_info(ps,fd->signo);
+ ErtsSigSelItem *item = SEL_ALLOC(ERTS_ALC_T_POLLSET,
+ sizeof(ErtsSigSelItem));
+ if (info == NULL)
+ info = add_sigsel_info(ps, fd, decode);
+ if (info->decode != decode) {
+ erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
+ erts_dsprintf(dsbufp, "erts_poll_control() inconsistency: multiple resolve_signal functions for same signal (%d)\n",
+ fd->signo);
+ erts_send_error_to_logger_nogl(dsbufp);
+ }
+ ASSERT(info->decode == decode);
+ item->next = info->fds;
+ item->fd = fd;
+ item->events = 0;
+ info->fds = item;
+ ps->item_count++;
+ return item;
+}
+
+static int del_sigsel_info(ErtsPollSet ps, ErtsSigSelInfo *info) {
+ ErtsSigSelInfo *curr, *prev;
+
+ if (ps->info == info) {
+ ps->info = ps->info->next;
+ } else {
+ curr = ps->info->next;
+ prev = ps->info;
+
+ while (curr != info) {
+ if (curr == NULL)
+ return 1;
+ prev = curr;
+ curr = curr->next;
+ }
+ prev->next = curr->next;
+ }
+
+ ps->sig_count--;
+ SEL_FREE(ERTS_ALC_T_POLLSET, info);
+ return 0;
+}
+
+static int del_sigsel_item(ErtsPollSet ps, ErtsSigSelItem *item) {
+ ErtsSigSelInfo *info = get_sigsel_info(ps,item->fd->signo);
+ ErtsSigSelItem *curr, *prev;
+
+ ps->item_count--;
+ ASSERT(ps->item_count >= 0);
+
+ if (info->fds == item) {
+ info->fds = info->fds->next;
+ SEL_FREE(ERTS_ALC_T_POLLSET,item);
+ if (info->fds == NULL)
+ return del_sigsel_info(ps,info);
+ return 0;
+ }
+
+ curr = info->fds->next;
+ prev = info->fds;
+
+ while (curr != item) {
+ if (curr == NULL) {
+ /* We did not find an item to delete so we have to
+ * increment item count again.
+ */
+ ps->item_count++;
+ return 1;
+ }
+ prev = curr;
+ curr = curr->next;
+ }
+ prev->next = curr->next;
+ SEL_FREE(ERTS_ALC_T_POLLSET,item);
+ return 0;
+}
+
+#ifdef ERTS_SMP
+
+static void update_redir_tables(ErtsPollSet ps) {
+ struct OS_redir_entry *redir_table;
+ PROCESS sched_1 = ERTS_SCHEDULER_IX(0)->tid.id;
+ int i;
+ redir_table = SEL_ALLOC(ERTS_ALC_T_POLLSET,
+ sizeof(struct OS_redir_entry)*(ps->sig_count+1));
+
+ redir_table[0].sig = ps->sig_count+1;
+ redir_table[0].pid = 0;
+
+ for (i = 1; i < ps->sig_count+1; i++) {
+ ramlog_printf("Adding 0x%p -> 0x%p to redir table\n",ps->sigs[i],sched_1);
+ redir_table[i].sig = ps->sigs[i];
+ redir_table[i].pid = sched_1;
+ }
+
+ for (i = 1; i < erts_no_schedulers; i++) {
+ ErtsSchedulerData *esdp = ERTS_SCHEDULER_IX(i);
+ set_redirection(esdp->tid.id,redir_table);
+ ramlog_printf("Setting redir table to 0x%p\n",esdp->tid.id);
+ }
+
+ SEL_FREE(ERTS_ALC_T_POLLSET,redir_table);
+}
+
+#endif
+
+static int update_sigsel(ErtsPollSet ps) {
+ ErtsSigSelInfo *info = ps->info;
+
+ int i;
+
+ if (ps->sigs != NULL)
+ SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs);
+
+ if (ps->sig_count == 0) {
+ /* If there are no signals we place a non-valid signal to make sure that
+ * we do not trigger on a any unrelated signals which are sent to the
+ * process.
+ */
+ ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(2));
+ ps->sigs[0] = 1;
+ ps->sigs[1] = ERTS_POLL_INVALID_SIGNO;
+ return 0;
+ }
+
+ ps->sigs = SEL_ALLOC(ERTS_ALC_T_POLLSET,sizeof(SIGSELECT)*(ps->sig_count+1));
+ ps->sigs[0] = ps->sig_count;
+
+ for (i = 1; info != NULL; i++, info = info->next)
+ ps->sigs[i] = info->signo;
+
+#ifdef ERTS_SMP
+ update_redir_tables(ps);
+#endif
+
+ return 0;
+}
+
+static ERTS_INLINE void
+wake_poller(ErtsPollSet ps)
+{
+ erts_aint32_t wakeup_state;
+
+ ERTS_THR_MEMORY_BARRIER;
+ wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
+ while (wakeup_state != ERTS_POLL_WOKEN_IO_READY
+ && wakeup_state != ERTS_POLL_WOKEN_INTR) {
+ erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_INTR,
+ wakeup_state);
+ if (act == wakeup_state) {
+ wakeup_state = act;
+ break;
+ }
+ wakeup_state = act;
+ }
+ if (wakeup_state == ERTS_POLL_SLEEPING) {
+ /*
+ * Since we don't know the internals of signal_fsem() we issue
+ * a memory barrier as a safety precaution ensuring that
+ * the store we just made to wakeup_state wont be reordered
+ * with loads in signal_fsem().
+ */
+ ERTS_THR_MEMORY_BARRIER;
+ signal_fsem(ps->interrupt);
+ }
+}
+
+static ERTS_INLINE void
+reset_interrupt(ErtsPollSet ps)
+{
+ /* We need to keep io-ready if set */
+ erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
+ while (wakeup_state != ERTS_POLL_NOT_WOKEN &&
+ wakeup_state != ERTS_POLL_SLEEPING) {
+ erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_NOT_WOKEN,
+ wakeup_state);
+ if (wakeup_state == act)
+ break;
+ wakeup_state = act;
+ }
+ ERTS_THR_MEMORY_BARRIER;
+}
+
+static ERTS_INLINE void
+set_interrupt(ErtsPollSet ps)
+{
+ wake_poller(ps);
+}
+
+void erts_poll_interrupt(ErtsPollSet ps,int set) {
+ HARDTRACEF("erts_poll_interrupt called!\n");
+
+ if (!set)
+ reset_interrupt(ps);
+ else
+ set_interrupt(ps);
+
+}
+
+void erts_poll_interrupt_timed(ErtsPollSet ps,int set,erts_short_time_t msec) {
+ HARDTRACEF("erts_poll_interrupt_timed called!\n");
+
+ if (!set)
+ reset_interrupt(ps);
+ else if (erts_smp_atomic32_read_acqb(&ps->timeout) > (erts_aint32_t) msec)
+ set_interrupt(ps);
+}
+
+ErtsPollEvents erts_poll_control(ErtsPollSet ps, ErtsSysFdType fd,
+ ErtsPollEvents pe, int on, int* do_wake,
+ int(*decode)(OseSignal* sig, int* mode)) {
+ ErtsSigSelItem *curr;
+ ErtsPollEvents new_events;
+ int old_sig_count;
+
+ HARDTRACEF(
+ "%ux: In erts_poll_control, fd = %d, pe = %d, on = %d, *do_wake = %d, curr = 0x%xu",
+ ps, fd, pe, on, do_wake, curr);
+
+ ERTS_POLLSET_LOCK(ps);
+
+ curr = get_sigsel_item(ps, fd);
+ old_sig_count = ps->sig_count;
+
+ if (curr == NULL && on) {
+ curr = add_sigsel_item(ps, fd, decode);
+ } else if (curr == NULL && !on) {
+ new_events = ERTS_POLL_EV_NVAL;
+ goto done;
+ }
+
+ new_events = curr->events;
+
+ if (pe == 0) {
+ *do_wake = 0;
+ goto done;
+ }
+
+ if (on) {
+ new_events |= pe;
+ curr->events = new_events;
+ } else {
+ new_events &= ~pe;
+ curr->events = new_events;
+ if (new_events == 0 && del_sigsel_item(ps, curr)) {
+ new_events = ERTS_POLL_EV_NVAL;
+ goto done;
+ }
+ }
+
+ if (ps->sig_count != old_sig_count) {
+ if (update_sigsel(ps))
+ new_events = ERTS_POLL_EV_NVAL;
+ }
+done:
+ ERTS_POLLSET_UNLOCK(ps);
+ HARDTRACEF("%ux: Out erts_poll_control", ps);
+ return new_events;
+}
+
+int erts_poll_wait(ErtsPollSet ps,
+ ErtsPollResFd pr[],
+ int *len,
+ SysTimeval *utvp) {
+ int res = ETIMEDOUT, no_fds, currid = 0;
+ OSTIME timeout;
+ OseSignal *sig;
+ // HARDTRACEF("%ux: In erts_poll_wait",ps);
+ if (ps->interrupt == (PROCESS)0)
+ ps->interrupt = current_process();
+
+ ASSERT(current_process() == ps->interrupt);
+ ASSERT(get_fsem(current_process()) == 0);
+ ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) &
+ (ERTS_POLL_NOT_WOKEN | ERTS_POLL_WOKEN_INTR));
+ /* Max no of spots avable in pr */
+ no_fds = *len;
+
+ *len = 0;
+
+ ASSERT(utvp);
+
+ /* erts_printf("Entering erts_poll_wait(), timeout=%d\n",
+ (int) utvp->tv_sec*1000 + utvp->tv_usec/1000); */
+
+ timeout = utvp->tv_sec*1000 + utvp->tv_usec/1000;
+
+ if (timeout > ((time_t) ERTS_AINT32_T_MAX))
+ timeout = ERTS_AINT32_T_MAX;
+ erts_smp_atomic32_set_relb(&ps->timeout, (erts_aint32_t) timeout);
+
+ while (currid < no_fds) {
+ if (timeout > 0) {
+ erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_SLEEPING,
+ ERTS_POLL_NOT_WOKEN);
+ if (act == ERTS_POLL_NOT_WOKEN) {
+#ifdef ERTS_SMP
+ erts_thr_progress_prepare_wait(NULL);
+#endif
+ sig = receive_fsem(timeout, ps->sigs, 1);
+#ifdef ERTS_SMP
+ erts_thr_progress_finalize_wait(NULL);
+#endif
+ } else {
+ ASSERT(act == ERTS_POLL_WOKEN_INTR);
+ sig = OS_RCV_FSEM;
+ }
+ } else
+ sig = receive_w_tmo(0, ps->sigs);
+
+ if (sig == NULL) {
+ if (timeout > 0) {
+ erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_TIMEDOUT,
+ ERTS_POLL_SLEEPING);
+ if (act == ERTS_POLL_WOKEN_INTR)
+ /* Restore fsem as it was signaled but we got a timeout */
+ wait_fsem(1);
+ } else
+ erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_TIMEDOUT,
+ ERTS_POLL_NOT_WOKEN);
+ break;
+ } else if (sig == OS_RCV_FSEM) {
+ ASSERT(erts_atomic32_read_nob(&ps->wakeup_state) == ERTS_POLL_WOKEN_INTR);
+ break;
+ }
+ {
+ ErtsSigSelInfo *info = get_sigsel_info(ps, sig->sig_no);
+ int mode = -1;
+ struct erts_sys_fd_type fd = { sig->sig_no, info->decode(sig, &mode) };
+ ErtsSigSelItem *item = get_sigsel_item(ps, &fd);
+
+ ASSERT(sig);
+ if (currid == 0 && timeout > 0) {
+ erts_aint32_t act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_IO_READY,
+ ERTS_POLL_SLEEPING);
+ if (act == ERTS_POLL_WOKEN_INTR) {
+ /* Restore fsem as it was signaled but we got a msg */
+ wait_fsem(1);
+ act = erts_atomic32_cmpxchg_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_IO_READY,
+ ERTS_POLL_WOKEN_INTR);
+ }
+ } else if (currid == 0) {
+ erts_atomic32_set_nob(&ps->wakeup_state,
+ ERTS_POLL_WOKEN_IO_READY);
+ }
+
+ if (item == NULL) {
+ erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
+ erts_dsprintf(
+ dsbufp,
+ "erts_poll_wait() failed: found unkown signal id %d (signo %u) "
+ "(curr_proc 0x%x /sender 0x%x)\n",
+ fd.id, fd.signo, current_process(), sender(&sig));
+ erts_send_error_to_logger_nogl(dsbufp);
+ timeout = 0;
+ ASSERT(0);
+ } else if (mode == -1 && item->events == (ERTS_POLL_EV_IN|ERTS_POLL_EV_OUT)) {
+ erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
+ erts_dsprintf(
+ dsbufp,
+ "erts_poll_wait() failed: found ambigous signal id %d (signo %u) "
+ "(curr_proc 0x%x /sender 0x%x)\n You have to give a specify a mode "
+ "in the resolve_signal callback for this signal.\n",
+ fd.id, fd.signo, current_process(), sender(&sig));
+ erts_send_error_to_logger_nogl(dsbufp);
+ timeout = 0;
+ ASSERT(0);
+ } else {
+ int i;
+ struct erts_sys_fd_type *fd = NULL;
+ ErtsPollOseMsgList *tl,*new;
+
+ /* Figure out which mode to set and which queue to store
+ the signal in */
+ if (mode == -1)
+ mode = item->events;
+ else if (mode == 0)
+ mode = ERTS_POLL_EV_IN;
+ else if (mode == 1)
+ mode = ERTS_POLL_EV_OUT;
+ else
+ abort();
+
+ /* Check if this fd has already been triggered by a previous signal */
+ for (i = 0; i < currid;i++) {
+ if (pr[i].fd == item->fd) {
+ fd = pr[i].fd;
+ pr[i].events |= mode;
+ break;
+ }
+ }
+
+ /* First time this fd is triggered */
+ if (fd == NULL) {
+ pr[currid].fd = item->fd;
+ pr[currid].events = mode;
+ fd = item->fd;
+ timeout = 0;
+ currid++;
+ }
+
+ /* Insert new signal in approriate list */
+ new = erts_alloc(ERTS_ALC_T_FD_SIG_LIST,sizeof(ErtsPollOseMsgList));
+ new->next = NULL;
+ new->data = sig;
+
+ ethr_mutex_lock(&fd->mtx);
+ if (mode & ERTS_POLL_EV_IN)
+ tl = fd->imsgs;
+ else if (mode & ERTS_POLL_EV_OUT)
+ tl = fd->omsgs;
+
+ if (tl == NULL) {
+ if (mode & ERTS_POLL_EV_IN)
+ fd->imsgs = new;
+ else if (mode & ERTS_POLL_EV_OUT)
+ fd->omsgs = new;
+ } else {
+ while (tl->next != NULL)
+ tl = tl->next;
+ tl->next = new;
+ }
+ ethr_mutex_unlock(&fd->mtx);
+ }
+
+ }
+ }
+
+ {
+ erts_aint32_t wakeup_state = erts_atomic32_read_nob(&ps->wakeup_state);
+
+ switch (wakeup_state) {
+ case ERTS_POLL_WOKEN_IO_READY:
+ res = 0;
+ break;
+ case ERTS_POLL_WOKEN_INTR:
+ res = EINTR;
+ break;
+ case ERTS_POLL_WOKEN_TIMEDOUT:
+ res = ETIMEDOUT;
+ break;
+ case ERTS_POLL_NOT_WOKEN:
+ /* This happens when we get an invalid signal only */
+ res = EINVAL;
+ break;
+ default:
+ res = 0;
+ erl_exit(ERTS_ABORT_EXIT,
+ "%s:%d: Internal error: Invalid wakeup_state=%d\n",
+ __FILE__, __LINE__, (int) wakeup_state);
+ }
+ }
+
+ erts_atomic32_set_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
+ erts_smp_atomic32_set_nob(&ps->timeout, ERTS_AINT32_T_MAX);
+
+ *len = currid;
+
+ // HARDTRACEF("%ux: Out erts_poll_wait",ps);
+ return res;
+}
+
+int erts_poll_max_fds(void)
+{
+
+ HARDTRACEF("In/Out erts_poll_max_fds -> %d",max_fds);
+ return max_fds;
+}
+
+void erts_poll_info(ErtsPollSet ps,
+ ErtsPollInfo *pip)
+{
+ Uint size = 0;
+ Uint num_events = 0;
+
+ size += sizeof(struct ErtsPollSet_);
+ size += sizeof(ErtsSigSelInfo)*ps->sig_count;
+ size += sizeof(ErtsSigSelItem)*ps->item_count;
+ size += sizeof(SIGSELECT)*(ps->sig_count+1);
+
+ pip->primary = "receive_fsem";
+
+ pip->fallback = NULL;
+
+ pip->kernel_poll = NULL;
+
+ pip->memory_size = size;
+
+ pip->poll_set_size = num_events;
+
+ pip->fallback_poll_set_size = 0;
+
+ pip->lazy_updates = 0;
+
+ pip->pending_updates = 0;
+
+ pip->batch_updates = 0;
+
+ pip->concurrent_updates = 0;
+
+
+ pip->max_fds = erts_poll_max_fds();
+ HARDTRACEF("%ux: Out erts_poll_info",ps);
+
+}
+
+ErtsPollSet erts_poll_create_pollset(void)
+{
+ ErtsPollSet ps = SEL_ALLOC(ERTS_ALC_T_POLLSET,
+ sizeof(struct ErtsPollSet_));
+
+ ps->sigs = NULL;
+ ps->sig_count = 0;
+ ps->item_count = 0;
+ ps->info = NULL;
+ ps->interrupt = (PROCESS)0;
+ erts_atomic32_init_nob(&ps->wakeup_state, ERTS_POLL_NOT_WOKEN);
+ erts_smp_atomic32_init_nob(&ps->timeout, ERTS_AINT32_T_MAX);
+#ifdef ERTS_SMP
+ erts_smp_mtx_init(&ps->mtx, "pollset");
+#endif
+ update_sigsel(ps);
+ HARDTRACEF("%ux: Out erts_poll_create_pollset",ps);
+ return ps;
+}
+
+void erts_poll_destroy_pollset(ErtsPollSet ps)
+{
+ ErtsSigSelInfo *info;
+ for (info = ps->info; ps->info != NULL; info = ps->info, ps->info = ps->info->next) {
+ ErtsSigSelItem *item;
+ for (item = info->fds; info->fds != NULL; item = info->fds, info->fds = info->fds->next)
+ SEL_FREE(ERTS_ALC_T_POLLSET, item);
+ SEL_FREE(ERTS_ALC_T_POLLSET, info);
+ }
+
+ SEL_FREE(ERTS_ALC_T_POLLSET,ps->sigs);
+
+#ifdef ERTS_SMP
+ erts_smp_mtx_destroy(&ps->mtx);
+#endif
+
+ SEL_FREE(ERTS_ALC_T_POLLSET,ps);
+}
+
+void erts_poll_init(void)
+{
+ HARDTRACEF("In %s", __FUNCTION__);
+ max_fds = 256;
+
+ HARDTRACEF("Out %s", __FUNCTION__);
+}
diff --git a/erts/emulator/sys/ose/gcc_lm.lcf b/erts/emulator/sys/ose/gcc_lm.lcf
new file mode 100644
index 0000000000..42b6f89851
--- /dev/null
+++ b/erts/emulator/sys/ose/gcc_lm.lcf
@@ -0,0 +1,146 @@
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH("i386")
+ENTRY("crt0_lm")
+MEMORY
+{
+ rom : ORIGIN = 0x01000000, LENGTH = 0x01000000
+ ram : ORIGIN = 0x02000000, LENGTH = 0x01000000
+}
+PHDRS
+{
+ ph_conf PT_LOAD ;
+ ph_rom PT_LOAD ;
+ ph_ram PT_LOAD ;
+}
+SECTIONS
+{
+ .text :
+ {
+ *(.text_first)
+ *(.text)
+ *(.text.*)
+ *(.stub)
+ *(oscode)
+ *(.init*)
+ *(.fini*)
+ *(.gnu.warning)
+ *(.gnu.linkonce.t.*)
+ *(.glue_7t)
+ *(.glue_7)
+ } > rom :ph_rom = 0
+ .ose_sfk_biosentry :
+ {
+ *(.ose_sfk_biosentry)
+ } > rom :ph_rom
+ .ctors :
+ {
+ __CTOR_LIST__ = .;
+ *(.ctors)
+ *(SORT(.ctors.*))
+ __CTOR_END__ = .;
+ } > rom :ph_rom
+ .dtors :
+ {
+ __DTOR_LIST__ = .;
+ *(.dtors)
+ *(SORT(.dtors.*))
+ __DTOR_END__ = .;
+ } > rom :ph_rom
+ OSESYMS :
+ {
+ *(.osesyms)
+ } > rom :ph_rom
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r.*)
+ } > rom :ph_rom
+ .eh_frame :
+ {
+ __EH_FRAME_BEGIN__ = .;
+ *(.eh_frame)
+ LONG(0)
+ __EH_FRAME_END__ = .;
+ } > rom :ph_rom
+ .gcc_except_table :
+ {
+ *(.gcc_except_table)
+ } > rom :ph_rom
+ .sdata2 :
+ {
+ *(.sdata2)
+ *(.sdata2.*)
+ *(.gnu.linkonce.s2.*)
+ } > rom :ph_rom
+ .sbss2 :
+ {
+ *(.sbss2)
+ *(.sbss2.*)
+ *(.gnu.linkonce.sb2.*)
+ } > rom :ph_rom
+ LMCONF :
+ {
+ obj/?*?/ose_confd.o(.rodata)
+ *(LMCONF)
+ } > rom :ph_conf
+ .data :
+ {
+ LONG(0xDEADBABE)
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ SORT(CONSTRUCTORS)
+ . = ALIGN(0x10);
+ } > ram :ph_ram = 0
+ .sdata2 :
+ {
+ _SDA2_BASE_ = .;
+ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+ }> ram :ph_ram
+ .sdata :
+ {
+ _SDA_BASE_ = .;
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ } > ram :ph_ram
+ .sbss :
+ {
+ *(.sbss)
+ *(.sbss.*)
+ *(.scommon)
+ *(.gnu.linkonce.sb.*)
+ } > ram :ph_ram
+ .bss (NOLOAD) :
+ {
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ *(.gnu.linkonce.b.*)
+ *(.osvars)
+ } > ram :ph_ram
+ .ignore (NOLOAD) :
+ {
+ *(.rel.dyn)
+ } > ram :ph_ram
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+}
+__OSESYMS_START = ADDR(OSESYMS);
+__OSESYMS_END = ADDR(OSESYMS) + SIZEOF(OSESYMS);
diff --git a/erts/emulator/sys/ose/gcc_lm_ppc.lcf b/erts/emulator/sys/ose/gcc_lm_ppc.lcf
new file mode 100644
index 0000000000..a2399c93da
--- /dev/null
+++ b/erts/emulator/sys/ose/gcc_lm_ppc.lcf
@@ -0,0 +1,219 @@
+/*******************************************************************************
+ * gcc_lm_ppc.lcf: GCC linker control file for PowerPC load modules
+ * @(#) $FilePath: /vobs/ose5/system/refsys/compilers/gcc_lm_ppc.lcf $
+ * @(#) $FileRevision: /main/tb_current_ose5/10 $
+ * $Author: joka $$Date: 01/21/13 16:35:41 $
+ * $Copyright: (C) 2006 by Enea AB. All rights reserved. $
+ ******************************************************************************/
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
+OUTPUT_ARCH("powerpc")
+
+ENTRY("crt0_lm")
+
+/* Note:
+ * You may have to increase the length of the "rom" memory region and the
+ * origin and length of the "ram" memory region below depending on the size
+ * of the code and data in your load module.
+ */
+
+MEMORY
+{
+ conf : ORIGIN = 0x00100000, LENGTH = 0x00030000
+ rom : ORIGIN = 0x01000000, LENGTH = 0x01000000
+ ram : ORIGIN = 0x03000000, LENGTH = 0x01000000
+}
+
+PHDRS
+{
+ ph_conf PT_LOAD ;
+ ph_rom PT_LOAD ;
+ ph_ram PT_LOAD ;
+}
+
+SECTIONS
+{
+/*---------------------------------------------------------------------------
+ * Load module configuration area
+ *-------------------------------------------------------------------------*/
+
+ /* Load module configuration section. */
+ LMCONF :
+ {
+ obj/?*?/ose_confd.o(.rodata)
+ *(LMCONF)
+ } > conf :ph_conf
+
+/*---------------------------------------------------------------------------
+ * Read-only area
+ *-------------------------------------------------------------------------*/
+
+ /* Code section. */
+ .text :
+ {
+ *(.text)
+ *(.text.*)
+ *(.stub)
+ *(oscode)
+ *(.init*)
+ *(.fini*)
+ *(.gnu.warning)
+ *(.gnu.linkonce.t.*)
+ } > rom :ph_rom = 0
+
+ /* OSE symbols section. */
+ OSESYMS :
+ {
+ *(.osesyms)
+ } > rom :ph_rom
+
+ /* Read-only data section. */
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r.*)
+ } > rom :ph_rom
+
+ /* C++ exception handling section. */
+ .eh_frame :
+ {
+ __EH_FRAME_BEGIN__ = .;
+ *(.eh_frame)
+ LONG(0)
+ __EH_FRAME_END__ = .;
+ } > rom :ph_rom
+
+ /* C++ exception handling section. */
+ .gcc_except_table :
+ {
+ *(.gcc_except_table .gcc_except_table.*)
+ } > rom :ph_rom
+
+ /* PowerPC EABI initialized read-only data section. */
+ .sdata2 :
+ {
+ PROVIDE (_SDA2_BASE_ = .);
+ *(.sdata2)
+ *(.sdata2.*)
+ *(.gnu.linkonce.s2.*)
+ } > rom :ph_rom
+
+ /* PowerPC EABI uninitialized read-only data section. */
+ .sbss2 :
+ {
+ *(.sbss2)
+ *(.sbss2.*)
+ *(.gnu.linkonce.sb2.*)
+ } > rom :ph_rom
+
+/*---------------------------------------------------------------------------
+ * Read-write area
+ *-------------------------------------------------------------------------*/
+
+ /*-------------------------------------------------------------------
+ * Initialized data (copied by PM)
+ *-----------------------------------------------------------------*/
+
+ /* Data section. */
+ .data :
+ {
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ SORT(CONSTRUCTORS)
+ } > ram :ph_ram
+
+ /* C++ constructor section. */
+ .ctors :
+ {
+ __CTOR_LIST__ = .;
+ *(.ctors)
+ *(SORT(.ctors.*))
+ __CTOR_END__ = .;
+ } > ram :ph_ram
+
+ /* C++ destructor section. */
+ .dtors :
+ {
+ __DTOR_LIST__ = .;
+ *(.dtors)
+ *(SORT(.dtors.*))
+ __DTOR_END__ = .;
+ } > ram :ph_ram
+
+
+ /* Small data section. */
+ .sdata ALIGN(0x10) :
+ {
+ PROVIDE (_SDA_BASE_ = .);
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ } > ram :ph_ram
+
+ /*-------------------------------------------------------------------
+ * Uninitialized data (cleared by PM)
+ *-----------------------------------------------------------------*/
+
+ /* Small bss section. */
+ .sbss :
+ {
+ *(.sbss)
+ *(.sbss.*)
+ *(.scommon)
+ *(.gnu.linkonce.sb.*)
+ } > ram :ph_ram
+
+ /* Bss section. */
+ .bss :
+ {
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ *(.gnu.linkonce.b.*)
+ } > ram :ph_ram
+
+/*---------------------------------------------------------------------------
+ * Debug information
+ *-------------------------------------------------------------------------*/
+
+ /*
+ * Stabs debug sections.
+ */
+
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ /*
+ * DWARF debug sections.
+ */
+
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+}
diff --git a/erts/emulator/sys/ose/gcc_lm_x86_4.4.3.lcf b/erts/emulator/sys/ose/gcc_lm_x86_4.4.3.lcf
new file mode 100644
index 0000000000..d64fd91604
--- /dev/null
+++ b/erts/emulator/sys/ose/gcc_lm_x86_4.4.3.lcf
@@ -0,0 +1,277 @@
+/* COPYRIGHT-ENEA-EXAMPLE-R2 *
+**************************************************************************
+* Copyright (C) 2010 by Enea Software AB.
+* All rights reserved.
+*
+* This Example is furnished under a Software License Agreement and
+* may be used only in accordance with the terms of such agreement.
+* No title to and ownership of the Example is hereby transferred.
+*
+* The information in this Example is subject to change
+* without notice and should not be construed as a commitment
+* by Enea Software AB.
+*
+* DISCLAIMER
+* This Example is delivered "AS IS", consequently
+* Enea Software AB makes no representations or warranties,
+* expressed or implied, for the Example.
+**************************************************************************
+* COPYRIGHT-END */
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH("i386")
+
+ENTRY("crt0_lm")
+
+MEMORY
+{
+ rom : ORIGIN = 0x01000000, LENGTH = 0x01000000
+ ram : ORIGIN = 0x02000000, LENGTH = 0x01000000
+}
+
+PHDRS
+{
+ ph_conf PT_LOAD ;
+ ph_rom PT_LOAD ;
+ ph_ram PT_LOAD ;
+}
+
+SECTIONS
+{
+/*---------------------------------------------------------------------------
+ * Read-only area
+ *-------------------------------------------------------------------------*/
+
+ /* Code section. */
+ .text :
+ {
+ *(.text_first)
+ *(.text)
+ *(.text.*)
+ *(.stub)
+ *(oscode)
+ *(.init*)
+ *(.fini*)
+ *(.gnu.warning)
+ *(.gnu.linkonce.t.*)
+ *(.glue_7t)
+ *(.glue_7)
+ } > rom :ph_rom = 0
+
+
+ .ose_sfk_biosentry :
+ {
+ *(.ose_sfk_biosentry)
+ } > rom :ph_rom
+
+ /* C++ constructor section. */
+ .ctors :
+ {
+ __CTOR_LIST__ = .;
+ *(.ctors)
+ *(SORT(.ctors.*))
+ __CTOR_END__ = .;
+ } > rom :ph_rom
+
+ /* C++ destructor section. */
+ .dtors :
+ {
+ __DTOR_LIST__ = .;
+ *(.dtors)
+ *(SORT(.dtors.*))
+ __DTOR_END__ = .;
+ } > rom :ph_rom
+
+ /* OSE symbols section. */
+ OSESYMS :
+ {
+ *(.osesyms)
+ } > rom :ph_rom
+
+ .plt :
+ {
+ *(.plt)
+ *(.iplt)
+ } > rom :ph_rom
+
+
+ /* Read-only data section. */
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r.*)
+ } > rom :ph_rom
+
+ /* C++ exception handling section. */
+ .eh_frame :
+ {
+ __EH_FRAME_BEGIN__ = .;
+ *(.eh_frame)
+ LONG(0)
+ __EH_FRAME_END__ = .;
+ } > rom :ph_rom
+
+ /* C++ exception handling section. */
+ .gcc_except_table :
+ {
+ *(.gcc_except_table)
+ } > rom :ph_rom
+
+ /* PowerPC EABI initialized read-only data section. */
+ .sdata2 :
+ {
+ *(.sdata2)
+ *(.sdata2.*)
+ *(.gnu.linkonce.s2.*)
+ } > rom :ph_rom
+
+ /* PowerPC EABI uninitialized read-only data section. */
+ .sbss2 :
+ {
+ *(.sbss2)
+ *(.sbss2.*)
+ *(.gnu.linkonce.sb2.*)
+ } > rom :ph_rom
+
+ /* Dynamic relocations */
+ .rel.dyn :
+ {
+ *(.rel.init)
+ *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
+ *(.rel.fini)
+ *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
+ *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
+ *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
+ *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
+ *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
+ *(.rel.ctors)
+ *(.rel.dtors)
+ *(.rel.got)
+ *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
+ *(.rel.ifunc)
+ } > rom :ph_rom
+
+/*---------------------------------------------------------------------------
+ * Load module configuration area
+ *-------------------------------------------------------------------------*/
+
+ /* Load module configuration section. */
+ LMCONF :
+ {
+ obj/?*?/ose_confd.o(.rodata)
+ *(LMCONF)
+ } > rom :ph_conf
+
+
+/*---------------------------------------------------------------------------
+ * Read-write area
+ *-------------------------------------------------------------------------*/
+
+ /*-------------------------------------------------------------------
+ * Initialized data (copied by PM )
+ *-----------------------------------------------------------------*/
+
+ /* Data section. */
+ .data :
+ {
+ LONG(0xDEADBABE)
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ SORT(CONSTRUCTORS)
+ . = ALIGN(0x10);
+ } > ram :ph_ram = 0
+
+ .got :
+ {
+ *(.got.plt)
+ *(.got)
+ } > rom :ph_ram
+
+ /* Global offset table for dynamically linked procedures. */
+ .got.plt :
+ {
+ *(.got.plt)
+ *(.igot.plt)
+ } > rom :ph_ram
+
+ /* Small data section. */
+ .sdata2 :
+ {
+ _SDA2_BASE_ = .;
+ *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+ }> ram :ph_ram
+ .sdata :
+ {
+ _SDA_BASE_ = .;
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ } > ram :ph_ram
+
+ /*-------------------------------------------------------------------
+ * Uninitialized data (cleared by PM )
+ *-----------------------------------------------------------------*/
+
+ /* Small bss section. */
+ .sbss :
+ {
+ *(.sbss)
+ *(.sbss.*)
+ *(.scommon)
+ *(.gnu.linkonce.sb.*)
+ } > ram :ph_ram
+
+ /* Bss section. */
+ .bss (NOLOAD) :
+ {
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ *(.gnu.linkonce.b.*)
+ *(.osvars)
+ } > ram :ph_ram
+
+ /* Ignore unwanted sections that are not used in OSE. */
+ .ignore (NOLOAD) :
+ {
+ *(.rel.dyn)
+ } > ram :ph_ram
+
+/*---------------------------------------------------------------------------
+ * Debug information
+ *-------------------------------------------------------------------------*/
+
+ /*
+ * DWARF debug sections.
+ */
+
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+
+}
+
+/* Symbols used by DDA. */
+__OSESYMS_START = ADDR(OSESYMS);
+__OSESYMS_END = ADDR(OSESYMS) + SIZEOF(OSESYMS);
diff --git a/erts/emulator/sys/ose/gcc_lm_x86_4.6.3.lcf b/erts/emulator/sys/ose/gcc_lm_x86_4.6.3.lcf
new file mode 100644
index 0000000000..bb357afcb1
--- /dev/null
+++ b/erts/emulator/sys/ose/gcc_lm_x86_4.6.3.lcf
@@ -0,0 +1,252 @@
+/*******************************************************************************
+ * gcc_lm_x86.lcf: GCC linker control file for x86 load modules
+ * @(#) $FilePath: /vobs/ose5/system/refsys/compilers/gcc_lm_x86.lcf $
+ * @(#) $FileRevision: /main/tb_current_ose5/9 $
+ * $Author: rand $$Date: 10/29/12 17:45:04 $
+ * $Copyright: (C) 2006 by Enea AB. All rights reserved. $
+ ******************************************************************************/
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH("i386")
+
+ENTRY("crt0_lm")
+
+/* Note:
+ * You may have to increase the length of the "rom" memory region below
+ * depending on the size of the code and data in your load module.
+ */
+
+MEMORY
+{
+ conf : ORIGIN = 0x00300000, LENGTH = 0x00001000
+ rom : ORIGIN = 0x00000000, LENGTH = 0x00300000
+}
+
+PHDRS
+{
+ ph_conf PT_LOAD ;
+ ph_rom PT_LOAD ;
+ ph_ram PT_LOAD ;
+}
+
+SECTIONS
+{
+/*---------------------------------------------------------------------------
+ * Load module configuration area
+ *-------------------------------------------------------------------------*/
+
+ /* Load module configuration section. */
+ LMCONF :
+ {
+ dummy = ALIGN(0x10000);
+ */?*?/*ose_confd.o(LMCONF*)
+ *(LMCONF*)
+ *ose_confd.o(.rodata)
+ } > conf :ph_conf
+
+/*---------------------------------------------------------------------------
+ * Read-only area
+ *-------------------------------------------------------------------------*/
+
+ /* Init section. */
+ .init :
+ {
+ KEEP(*(.init))
+ } > rom :ph_rom = 0x90909090
+
+ /* Code section. */
+ .text :
+ {
+ *(.text)
+ *(.text.*)
+ *(.stub)
+ *(oscode)
+ *(.init*)
+ *(.fini*)
+ *(.gnu.warning)
+ *(.gnu.linkonce.t.*)
+ } > rom :ph_rom = 0
+
+ /* Read-only data section. */
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r.*)
+ } > rom :ph_rom
+
+ /* OSE symbols section. */
+ OSESYMS :
+ {
+ *(.osesyms)
+ } > rom :ph_rom
+
+ /* Procedure linkage table section. */
+ .plt :
+ {
+ *(.plt)
+ *(.iplt)
+ } > rom :ph_rom
+
+ /* Dynamic relocations */
+ .rel.dyn :
+ {
+ *(.rel.init)
+ *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
+ *(.rel.fini)
+ *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
+ *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
+ *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
+ *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
+ *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
+ *(.rel.ctors)
+ *(.rel.dtors)
+ *(.rel.got)
+ *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
+ *(.rel.ifunc)
+ } > rom :ph_rom
+
+/*---------------------------------------------------------------------------
+ * Read-write area
+ *-------------------------------------------------------------------------*/
+
+ /* C++ constructor section. */
+ .ctors :
+ {
+ __CTOR_LIST__ = .;
+ *(.ctors)
+ *(SORT(.ctors.*))
+ __CTOR_END__ = .;
+ } > rom :ph_rom
+
+ /* C++ destructor section. */
+ .dtors :
+ {
+ __DTOR_LIST__ = .;
+ *(.dtors)
+ *(SORT(.dtors.*))
+ __DTOR_END__ = .;
+ } > rom :ph_rom
+
+ /* C++ exception handling section. */
+ .eh_frame :
+ {
+ __EH_FRAME_BEGIN__ = .;
+ *(.eh_frame)
+ LONG(0)
+ __EH_FRAME_END__ = .;
+ } > rom :ph_rom
+
+ /*-------------------------------------------------------------------
+ * Initialized data (copied by PM)
+ *-----------------------------------------------------------------*/
+
+ /* Data section. */
+ .data :
+ {
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ SORT(CONSTRUCTORS)
+ } > rom :ph_ram
+
+ /* Global offset table section. */
+ .got :
+ {
+ *(.got.plt)
+ *(.got)
+ } > rom :ph_ram
+
+ /* Global offset table for dynamically linked procedures. */
+ .got.plt :
+ {
+ *(.got.plt)
+ *(.igot.plt)
+ } > rom :ph_ram
+
+ /* SFK BIOS entry section. */
+ .ose_sfk_biosentry :
+ {
+ *(.ose_sfk_biosentry)
+ } > rom :ph_ram
+
+ /* C++ exception handling section. */
+ .gcc_except_table :
+ {
+ *(.gcc_except_table .gcc_except_table.*)
+ } > rom :ph_ram
+
+ /* Small data section. */
+ .sdata ALIGN(0x10) :
+ {
+ PROVIDE (_SDA_BASE_ = .);
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ } > rom :ph_ram
+
+ /*-------------------------------------------------------------------
+ * Uninitialized data (cleared by PM)
+ *-----------------------------------------------------------------*/
+
+ /* Bss section. */
+ .bss :
+ {
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ *(.gnu.linkonce.b.*)
+ } > rom :ph_ram
+
+ /* Small bss section. */
+ .sbss ALIGN(0x10) :
+ {
+ *(.sbss)
+ *(.sbss.*)
+ *(.scommon)
+ *(.gnu.linkonce.sb.*)
+ } > rom :ph_ram
+
+/*---------------------------------------------------------------------------
+ * Debug information
+ *-------------------------------------------------------------------------*/
+
+ /*
+ * Stabs debug sections.
+ */
+
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ /*
+ * DWARF debug sections.
+ */
+
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+}
diff --git a/erts/emulator/sys/ose/sys.c b/erts/emulator/sys/ose/sys.c
new file mode 100644
index 0000000000..c475aafe38
--- /dev/null
+++ b/erts/emulator/sys/ose/sys.c
@@ -0,0 +1,1820 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 1996-2013. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef ISC32
+#define _POSIX_SOURCE
+#define _XOPEN_SOURCE
+#endif
+
+#include <sys/time.h> /* ose*/
+#include <time.h>
+/* ose
+#include <signal.h>
+#include <sys/wait.h>
+#include <sys/utsname.h>
+*/
+
+#include <sys/uio.h>
+#include <termios.h>
+#include <ctype.h>
+
+#ifdef ISC32
+#include <sys/bsdtypes.h>
+#endif
+
+#include <termios.h>
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#define ERTS_WANT_BREAK_HANDLING
+#define WANT_NONBLOCKING /* must define this to pull in defs from sys.h */
+#include "sys.h"
+#include "erl_thr_progress.h"
+
+#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__)
+#define __DARWIN__ 1
+#endif
+
+#ifdef USE_THREADS
+#include "erl_threads.h"
+#endif
+
+#include "erl_mseg.h"
+
+/*ose*/
+#include "unistd.h"
+#include "efs.h"
+#include "erl_printf.h"
+#if 0
+#define TRACE do { \
+ erts_fprintf(stderr, " %s / %d / pid 0x%x\n", __FUNCTION__, __LINE__, current_process()); \
+ } while(0)
+#else
+#define TRACE do {} while(0)
+#endif
+/*ose*/
+
+extern char **environ;
+static erts_smp_rwmtx_t environ_rwmtx;
+
+#define MAX_VSIZE 16 /* Max number of entries allowed in an I/O
+ * vector sock_sendv().
+ */
+/*
+ * Don't need global.h, but bif_table.h (included by bif.h),
+ * won't compile otherwise
+ */
+#include "global.h"
+#include "bif.h"
+
+#include "erl_sys_driver.h"
+#include "erl_check_io.h"
+#include "erl_cpu_topology.h"
+
+#ifndef DISABLE_VFORK
+#define DISABLE_VFORK 0
+#endif
+
+/* The priority for reader/writer processes */
+#define FD_PROC_PRI 20
+
+/*
+ * [OTP-3906]
+ * Solaris signal management gets confused when threads are used and a
+ * lot of child processes dies. The confusion results in that SIGCHLD
+ * signals aren't delivered to the emulator which in turn results in
+ * a lot of defunct processes in the system.
+ *
+ * The problem seems to appear when a signal is frequently
+ * blocked/unblocked at the same time as the signal is frequently
+ * propagated. The child waiter thread is a workaround for this problem.
+ * The SIGCHLD signal is always blocked (in all threads), and the child
+ * waiter thread fetches the signal by a call to sigwait(). See
+ * child_waiter().
+ */
+
+typedef struct ErtsSysReportExit_ ErtsSysReportExit;
+struct ErtsSysReportExit_ {
+ ErtsSysReportExit *next;
+ Eterm port;
+ int pid;
+ int ifd;
+ int ofd;
+ ErlDrvEvent in_sig_descr;
+ ErlDrvEvent out_sig_descr;
+};
+
+/* This data is shared by these drivers - initialized by spawn_init() */
+static struct driver_data {
+ ErlDrvPort port_num;
+ int ofd, packet_bytes;
+ ErtsSysReportExit *report_exit;
+ int pid;
+ int alive;
+ int status;
+ ErlDrvEvent in_sig_descr;
+ ErlDrvEvent out_sig_descr;
+ PROCESS in_proc;
+ PROCESS out_proc;
+ ErlDrvPDL pdl;
+} *driver_data; /* indexed by fd */
+
+static ErtsSysReportExit *report_exit_list;
+
+extern int driver_interrupt(int, int);
+extern void do_break(void);
+
+extern void erl_sys_args(int*, char**);
+
+/* The following two defs should probably be moved somewhere else */
+
+extern void erts_sys_init_float(void);
+
+extern void erl_crash_dump(char* file, int line, char* fmt, ...);
+
+#define DIR_SEPARATOR_CHAR '/'
+
+#if defined(DEBUG)
+#define ERL_BUILD_TYPE_MARKER ".debug"
+#else /* opt */
+#define ERL_BUILD_TYPE_MARKER
+#endif
+
+#define CHILD_SETUP_PROG_NAME "child_setup" ERL_BUILD_TYPE_MARKER
+
+#ifdef DEBUG
+static int debug_log = 0;
+#endif
+
+#ifdef ERTS_SMP
+static erts_smp_atomic32_t have_prepared_crash_dump;
+#define ERTS_PREPARED_CRASH_DUMP \
+ ((int) erts_smp_atomic32_xchg_nob(&have_prepared_crash_dump, 1))
+#else
+static volatile int have_prepared_crash_dump;
+#define ERTS_PREPARED_CRASH_DUMP \
+ (have_prepared_crash_dump++)
+#endif
+
+static erts_smp_atomic_t sys_misc_mem_sz;
+
+#if defined(ERTS_SMP)
+erts_mtx_t chld_stat_mtx;
+#endif
+
+#if defined(ERTS_SMP) /* ------------------------------------------------- */
+#define CHLD_STAT_LOCK erts_mtx_lock(&chld_stat_mtx)
+#define CHLD_STAT_UNLOCK erts_mtx_unlock(&chld_stat_mtx)
+
+#else /* ------------------------------------------------------------------- */
+#define CHLD_STAT_LOCK
+#define CHLD_STAT_UNLOCK
+static volatile int children_died;
+#endif
+
+
+static struct fd_data {
+ char pbuf[4]; /* hold partial packet bytes */
+ int psz; /* size of pbuf */
+ char *buf;
+ char *cpos;
+ int sz;
+ int remain; /* for input on fd */
+} *fd_data; /* indexed by fd */
+
+/********************* General functions ****************************/
+
+/* This is used by both the drivers and general I/O, must be set early */
+static int max_files = -1;
+
+/*
+ * a few variables used by the break handler
+ */
+#ifdef ERTS_SMP
+erts_smp_atomic32_t erts_break_requested;
+#define ERTS_SET_BREAK_REQUESTED \
+ erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 1)
+#define ERTS_UNSET_BREAK_REQUESTED \
+ erts_smp_atomic32_set_nob(&erts_break_requested, (erts_aint32_t) 0)
+#else
+volatile int erts_break_requested = 0;
+#define ERTS_SET_BREAK_REQUESTED (erts_break_requested = 1)
+#define ERTS_UNSET_BREAK_REQUESTED (erts_break_requested = 0)
+#endif
+/* set early so the break handler has access to initial mode */
+static struct termios initial_tty_mode;
+static int replace_intr = 0;
+/* assume yes initially, ttsl_init will clear it */
+int using_oldshell = 1;
+
+static void
+init_check_io(void)
+{
+ erts_init_check_io();
+ max_files = erts_check_io_max_files();
+}
+
+#ifdef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
+#define ERTS_CHK_IO_AS_INTR() erts_check_io_async_sig_interrupt()
+#else
+#define ERTS_CHK_IO_AS_INTR() erts_check_io_interrupt(1)
+#endif
+#define ERTS_CHK_IO_INTR erts_check_io_interrupt
+#define ERTS_CHK_IO_INTR_TMD erts_check_io_interrupt_timed
+#define ERTS_CHK_IO erts_check_io
+#define ERTS_CHK_IO_SZ erts_check_io_size
+
+
+void
+erts_sys_schedule_interrupt(int set)
+{
+ ERTS_CHK_IO_INTR(set);
+}
+
+#ifdef ERTS_SMP
+void
+erts_sys_schedule_interrupt_timed(int set, erts_short_time_t msec)
+{
+ ERTS_CHK_IO_INTR_TMD(set, msec);
+}
+#endif
+
+Uint
+erts_sys_misc_mem_sz(void)
+{
+ Uint res = ERTS_CHK_IO_SZ();
+ res += erts_smp_atomic_read_mb(&sys_misc_mem_sz);
+ return res;
+}
+
+/*
+ * reset the terminal to the original settings on exit
+ */
+void sys_tty_reset(int exit_code)
+{
+ if (using_oldshell && !replace_intr) {
+ SET_BLOCKING(0);
+ }
+ else if (isatty(0)) {
+ tcsetattr(0,TCSANOW,&initial_tty_mode);
+ }
+}
+
+#ifdef USE_THREADS
+
+typedef struct {
+ int sched_bind_data;
+} erts_thr_create_data_t;
+
+/*
+ * thr_create_prepare() is called in parent thread before thread creation.
+ * Returned value is passed as argument to thr_create_cleanup().
+ */
+static void *
+thr_create_prepare(void)
+{
+ erts_thr_create_data_t *tcdp;
+
+ tcdp = erts_alloc(ERTS_ALC_T_TMP, sizeof(erts_thr_create_data_t));
+
+ tcdp->sched_bind_data = erts_sched_bind_atthrcreate_prepare();
+
+ return (void *) tcdp;
+}
+
+
+/* thr_create_cleanup() is called in parent thread after thread creation. */
+static void
+thr_create_cleanup(void *vtcdp)
+{
+ erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
+
+ erts_sched_bind_atthrcreate_parent(tcdp->sched_bind_data);
+
+ erts_free(ERTS_ALC_T_TMP, tcdp);
+}
+
+static void
+thr_create_prepare_child(void *vtcdp)
+{
+ erts_thr_create_data_t *tcdp = (erts_thr_create_data_t *) vtcdp;
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_thread_setup();
+#endif
+
+ erts_sched_bind_atthrcreate_child(tcdp->sched_bind_data);
+}
+
+#endif /* #ifdef USE_THREADS */
+
+void
+erts_sys_pre_init(void)
+{
+ erts_printf_add_cr_to_stdout = 1;
+ erts_printf_add_cr_to_stderr = 1;
+#ifdef USE_THREADS
+ {
+ erts_thr_init_data_t eid = ERTS_THR_INIT_DATA_DEF_INITER;
+
+ eid.thread_create_child_func = thr_create_prepare_child;
+ /* Before creation in parent */
+ eid.thread_create_prepare_func = thr_create_prepare;
+ /* After creation in parent */
+ eid.thread_create_parent_func = thr_create_cleanup,
+
+ erts_thr_init(&eid);
+
+ report_exit_list = NULL;
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_init();
+#endif
+
+#if defined(ERTS_SMP)
+ erts_mtx_init(&chld_stat_mtx, "child_status");
+#endif
+ }
+#ifdef ERTS_SMP
+ erts_smp_atomic32_init_nob(&erts_break_requested, 0);
+ erts_smp_atomic32_init_nob(&have_prepared_crash_dump, 0);
+#else
+ erts_break_requested = 0;
+ have_prepared_crash_dump = 0;
+#endif
+#if !defined(ERTS_SMP)
+ children_died = 0;
+#endif
+#endif /* USE_THREADS */
+ erts_smp_atomic_init_nob(&sys_misc_mem_sz, 0);
+}
+
+void
+erl_sys_init(void)
+{
+
+#ifdef USE_SETLINEBUF
+ setlinebuf(stdout);
+#else
+ setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
+#endif
+
+ erts_sys_init_float();
+
+ /* we save this so the break handler can set and reset it properly */
+ /* also so that we can reset on exit (break handler or not) */
+ if (isatty(0)) {
+ tcgetattr(0,&initial_tty_mode);
+ }
+ tzset(); /* Required at least for NetBSD with localtime_r() */
+}
+
+static ERTS_INLINE int
+prepare_crash_dump(int secs)
+{
+#define NUFBUF (3)
+ int i, max;
+ char env[21]; /* enough to hold any 64-bit integer */
+ size_t envsz;
+ /*DeclareTmpHeapNoproc(heap,NUFBUF);*/
+ /*Eterm *hp = heap;*/
+ /*Eterm list = NIL;*/
+ int has_heart = 0;
+
+ UseTmpHeapNoproc(NUFBUF);
+
+ if (ERTS_PREPARED_CRASH_DUMP)
+ return 0; /* We have already been called */
+
+
+ /* Positive secs means an alarm must be set
+ * 0 or negative means no alarm
+ *
+ * Set alarm before we try to write to a port
+ * we don't want to hang on a port write with
+ * no alarm.
+ *
+ */
+
+#if 0 /*ose TBD!!!*/
+ if (secs >= 0) {
+ alarm((unsigned int)secs);
+ }
+#endif
+
+ /* Make sure we unregister at epmd (unknown fd) and get at least
+ one free filedescriptor (for erl_crash.dump) */
+
+ max = max_files;
+ if (max < 1024)
+ max = 1024;
+ for (i = 3; i < max; i++) {
+ close(i);
+ }
+
+ envsz = sizeof(env);
+ i = erts_sys_getenv__("ERL_CRASH_DUMP_NICE", env, &envsz);
+ if (i >= 0) {
+ int nice_val;
+ nice_val = i != 0 ? 0 : atoi(env);
+ if (nice_val > 39) {
+ nice_val = 39;
+ }
+ set_pri(nice_val);
+ }
+
+ UnUseTmpHeapNoproc(NUFBUF);
+#undef NUFBUF
+ return has_heart;
+}
+
+int erts_sys_prepare_crash_dump(int secs)
+{
+ return prepare_crash_dump(secs);
+}
+
+static ERTS_INLINE void
+break_requested(void)
+{
+ /*
+ * just set a flag - checked for and handled by
+ * scheduler threads erts_check_io() (not signal handler).
+ */
+#ifdef DEBUG
+ fprintf(stderr,"break!\n");
+#endif
+ if (ERTS_BREAK_REQUESTED)
+ erl_exit(ERTS_INTR_EXIT, "");
+
+ ERTS_SET_BREAK_REQUESTED;
+ ERTS_CHK_IO_AS_INTR(); /* Make sure we don't sleep in poll */
+}
+
+/* Disable break */
+void erts_set_ignore_break(void) {
+
+}
+
+/* Don't use ctrl-c for break handler but let it be
+ used by the shell instead (see user_drv.erl) */
+void erts_replace_intr(void) {
+ struct termios mode;
+
+ if (isatty(0)) {
+ tcgetattr(0, &mode);
+
+ /* here's an example of how to replace ctrl-c with ctrl-u */
+ /* mode.c_cc[VKILL] = 0;
+ mode.c_cc[VINTR] = CKILL; */
+
+ mode.c_cc[VINTR] = 0; /* disable ctrl-c */
+ tcsetattr(0, TCSANOW, &mode);
+ replace_intr = 1;
+ }
+}
+
+void init_break_handler(void)
+{
+
+}
+
+int sys_max_files(void)
+{
+ return(max_files);
+}
+
+
+/************************** OS info *******************************/
+
+/* Used by erlang:info/1. */
+/* (This code was formerly in drv.XXX/XXX_os_drv.c) */
+
+char os_type[] = "ose";
+
+void
+os_flavor(char* namebuf, /* Where to return the name. */
+ unsigned size) /* Size of name buffer. */
+{
+#if 0
+ struct utsname uts; /* Information about the system. */
+ char* s;
+
+ (void) uname(&uts);
+ for (s = uts.sysname; *s; s++) {
+ if (isupper((int) *s)) {
+ *s = tolower((int) *s);
+ }
+ }
+ strcpy(namebuf, uts.sysname);
+#else
+ strncpy(namebuf, "release", size);
+#endif
+}
+
+void
+os_version(pMajor, pMinor, pBuild)
+int* pMajor; /* Pointer to major version. */
+int* pMinor; /* Pointer to minor version. */
+int* pBuild; /* Pointer to build number. */
+{
+ *pMajor = 5;
+ *pMinor = 7;
+ *pBuild = 0;
+}
+
+void init_getenv_state(GETENV_STATE *state)
+{
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ *state = NULL;
+}
+
+char **environ; /*ose - needs replacement*/
+
+char *getenv_string(GETENV_STATE *state0)
+{
+ char **state = (char **) *state0;
+ char *cp;
+
+ ERTS_SMP_LC_ASSERT(erts_smp_lc_rwmtx_is_rlocked(&environ_rwmtx));
+
+ if (state == NULL)
+ state = environ;
+
+ cp = *state++;
+ *state0 = (GETENV_STATE) state;
+
+ return cp;
+}
+
+void fini_getenv_state(GETENV_STATE *state)
+{
+ *state = NULL;
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+}
+
+
+/************************** Port I/O *******************************/
+
+
+
+/* I. Common stuff */
+
+/*
+ * Decreasing the size of it below 16384 is not allowed.
+ */
+#define SYSDRIVERASYNCSIG 1000
+#define SYSDRIVERCONFSIG 1001
+
+typedef struct SysDriverAsyncSignal_ {
+ SIGSELECT sig_no;
+ int type;
+ byte *buff;
+ ssize_t res;
+ int errno_copy;
+} SysDriverAsyncSignal;
+
+typedef struct SysDriverConfSignal_ {
+ SIGSELECT sig_no;
+ int fd;
+ PROCESS parent;
+} SysDriverConfSignal;
+
+union SIGNAL {
+ SIGSELECT sig_no;
+ SysDriverAsyncSignal sys_async;
+ SysDriverConfSignal conf_async;
+};
+
+/* II. The spawn/fd drivers */
+
+#define ERTS_SYS_READ_BUF_SZ (64*1024)
+
+/* Driver interfaces */
+static ErlDrvData spawn_start(ErlDrvPort, char*, SysDriverOpts*);
+static ErlDrvData fd_start(ErlDrvPort, char*, SysDriverOpts*);
+static ErlDrvSSizeT fd_control(ErlDrvData, unsigned int, char *, ErlDrvSizeT,
+ char **, ErlDrvSizeT);
+static int spawn_init(void);
+static void fd_stop(ErlDrvData);
+static void erl_stop(ErlDrvData);
+static void ready_input(ErlDrvData, ErlDrvEvent);
+static void ready_output(ErlDrvData, ErlDrvEvent);
+static void output(ErlDrvData, char*, ErlDrvSizeT);
+static void outputv(ErlDrvData, ErlIOVec*);
+static void stop_select(ErlDrvEvent, void*);
+static int resolve_signal(OseSignal* sig, int *mode) {
+ return sig->sig_no == SYSDRIVERASYNCSIG ? sig->sys_async.type : -1;
+}
+
+OS_PROCESS(fd_writer_process);
+OS_PROCESS(fd_reader_process);
+
+struct erl_drv_entry spawn_driver_entry = {
+ spawn_init,
+ spawn_start,
+ erl_stop,
+ output,
+ ready_input,
+ ready_output,
+ "spawn",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL, NULL,
+ stop_select,
+ resolve_signal
+};
+struct erl_drv_entry fd_driver_entry = {
+ NULL,
+ fd_start,
+ fd_stop,
+ output,
+ ready_input,
+ ready_output,
+ "fd",
+ NULL,
+ NULL,
+ fd_control,
+ NULL,
+ outputv,
+ NULL, /* ready_async */
+ NULL, /* flush */
+ NULL, /* call */
+ NULL, /* event */
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ 0, /* ERL_DRV_FLAGs */
+ NULL, /* handle2 */
+ NULL, /* process_exit */
+ stop_select,
+ resolve_signal
+};
+
+static int set_driver_data(ErlDrvPort port_num,
+ int ifd,
+ int ofd,
+ int packet_bytes,
+ int read_write,
+ int exit_status,
+ int pid)
+{
+ Port *prt;
+ ErtsSysReportExit *report_exit;
+ OseSignal *sig;
+
+ /*erts_fprintf(stderr, " %s / pid %x / ofd %d / ifd %d\n", __FUNCTION__, current_process(), ofd, ifd);*/
+
+
+ if (!exit_status)
+ report_exit = NULL;
+ else {
+ report_exit = erts_alloc(ERTS_ALC_T_PRT_REP_EXIT,
+ sizeof(ErtsSysReportExit));
+ report_exit->next = report_exit_list;
+ report_exit->port = erts_drvport2id(port_num);
+ report_exit->pid = pid;
+ report_exit->ifd = read_write & DO_READ ? ifd : -1;
+ report_exit->ofd = read_write & DO_WRITE ? ofd : -1;
+
+ if (read_write & DO_READ)
+ report_exit->in_sig_descr = erl_drv_ose_event_alloc(SYSDRIVERASYNCSIG, ifd);
+ if (read_write & DO_WRITE)
+ report_exit->out_sig_descr = erl_drv_ose_event_alloc(SYSDRIVERASYNCSIG, ofd);
+
+ report_exit_list = report_exit;
+ }
+
+ prt = erts_drvport2port(port_num);
+ if (prt != ERTS_INVALID_ERL_DRV_PORT)
+ prt->os_pid = pid;
+
+ if (read_write & DO_READ) {
+ driver_data[ifd].packet_bytes = packet_bytes;
+ driver_data[ifd].port_num = port_num;
+ driver_data[ifd].report_exit = report_exit;
+ driver_data[ifd].pid = pid;
+ driver_data[ifd].alive = 1;
+ driver_data[ifd].status = 0;
+ driver_data[ifd].in_sig_descr = erl_drv_ose_event_alloc(SYSDRIVERASYNCSIG,ifd);
+
+ driver_data[ifd].in_proc = create_process(OS_PRI_PROC,"beam_fd_reader",
+ fd_reader_process, 0x800,
+ FD_PROC_PRI, 0, 0, NULL, 0, 0);
+ efs_clone(driver_data[ifd].in_proc);
+ sig = alloc(sizeof(SysDriverConfSignal), SYSDRIVERCONFSIG);
+ sig->conf_async.fd = ifd;
+ sig->conf_async.parent = current_process();
+ send(&sig, driver_data[ifd].in_proc);
+ start(driver_data[ifd].in_proc);
+
+ if (read_write & DO_WRITE) {
+ driver_data[ifd].ofd = ofd;
+ driver_data[ifd].out_sig_descr =
+ erl_drv_ose_event_alloc(SYSDRIVERASYNCSIG,ofd);
+ driver_data[ifd].pdl = driver_pdl_create(port_num);
+ driver_data[ifd].out_proc = create_process(OS_PRI_PROC, "beam_fd_writer",
+ fd_writer_process, 0x800,
+ FD_PROC_PRI, 0, 0, NULL, 0, 0);
+ sig = alloc(sizeof(SysDriverConfSignal), SYSDRIVERCONFSIG);
+ sig->conf_async.fd = ofd;
+ sig->conf_async.parent = current_process();
+ send(&sig, driver_data[ifd].out_proc);
+ // efs_clone(driver_data[ifd].out_proc);
+ start(driver_data[ifd].out_proc);
+ if (ifd != ofd)
+ driver_data[ofd] = driver_data[ifd]; /* structure copy */
+ } else { /* DO_READ only */
+ driver_data[ifd].ofd = -1;
+ }
+ (void) driver_select(port_num, driver_data[ifd].in_sig_descr, (ERL_DRV_READ | ERL_DRV_USE), 1);
+ return(ifd);
+ } else { /* DO_WRITE only */
+ driver_data[ofd].packet_bytes = packet_bytes;
+ driver_data[ofd].port_num = port_num;
+ driver_data[ofd].report_exit = report_exit;
+ driver_data[ofd].ofd = ofd;
+ driver_data[ofd].pid = pid;
+ driver_data[ofd].alive = 1;
+ driver_data[ofd].status = 0;
+ driver_data[ofd].in_sig_descr = erl_drv_ose_event_alloc(SYSDRIVERASYNCSIG,
+ ofd);
+ driver_data[ofd].out_sig_descr = driver_data[ofd].in_sig_descr;
+ driver_data[ofd].out_proc = create_process(OS_PRI_PROC, "beam_fd_writer",
+ fd_writer_process, 0x800,
+ FD_PROC_PRI, 0, 0, NULL, 0, 0);
+ sig = alloc(sizeof(SysDriverConfSignal), SYSDRIVERCONFSIG);
+ sig->conf_async.fd = ofd;
+ sig->conf_async.parent = current_process();
+ send(&sig, driver_data[ofd].out_proc);
+ start(driver_data[ofd].out_proc);
+ //efs_clone(driver_data[ifd].out_proc);
+ driver_data[ofd].pdl = driver_pdl_create(port_num);
+ return(ofd);
+ }
+}
+
+static int spawn_init()
+{
+ int i;
+ TRACE;
+
+ driver_data = (struct driver_data *)
+ erts_alloc(ERTS_ALC_T_DRV_TAB, max_files * sizeof(struct driver_data));
+ erts_smp_atomic_add_nob(&sys_misc_mem_sz, max_files * sizeof(struct driver_data));
+
+ for (i = 0; i < max_files; i++)
+ driver_data[i].pid = -1;
+
+ return 1;
+}
+
+static void init_fd_data(int fd, ErlDrvPort port_num)
+{
+ TRACE;
+
+ fd_data[fd].buf = NULL;
+ fd_data[fd].cpos = NULL;
+ fd_data[fd].remain = 0;
+ fd_data[fd].sz = 0;
+ fd_data[fd].psz = 0;
+}
+
+static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
+{
+
+ long res = 0;
+
+ TRACE;
+ /* Have to implement for OSE */
+ return (ErlDrvData)res;
+}
+
+OS_PROCESS(fd_reader_process) {
+ OseSignal *sig;
+ PROCESS parent;
+ int fd;
+ byte *read_buf;
+
+ SIGSELECT sigsel[] = {1,SYSDRIVERCONFSIG};
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ erts_lcnt_init();
+#endif
+
+ TRACE;
+
+ sig = receive(sigsel);
+
+ TRACE;
+
+ fd = sig->conf_async.fd;
+
+ parent = sig->conf_async.parent;
+ free_buf(&sig);
+
+#ifdef ERTS_ENABLE_LOCK_CHECK
+ {
+ char buf[31];
+ erts_snprintf(&buf[0], 31, "fd_reader %beu", fd);
+ erts_lc_set_thread_name(&buf[0]);
+ }
+#endif
+
+ sigsel[1] = SYSDRIVERASYNCSIG;
+
+ read_buf = (byte *) erts_alloc(ERTS_ALC_T_SYS_READ_BUF,
+ ERTS_SYS_READ_BUF_SZ);
+ while (1) {
+ int errno_copy = errno;
+ ssize_t res;
+ res = read(fd, read_buf, ERTS_SYS_READ_BUF_SZ);
+ sig = alloc(sizeof(SysDriverAsyncSignal), SYSDRIVERASYNCSIG);
+ sig->sys_async.buff = read_buf;
+ sig->sys_async.res = res;
+ if (res <= 0 && errno == EBADF) {
+ fprintf(stderr,"Could not read from input fd (fd %d/ errno %d/ res %d)\n",
+ fd, errno, res);
+ break;
+ }
+ if (errno != errno_copy)
+ sig->sys_async.errno_copy = errno;
+ else
+ sig->sys_async.errno_copy = -1;
+ sig->sys_async.type = fd;
+ send(&sig,parent);
+ /* Wait for acc from async_read */
+ sig = receive(sigsel);
+ free_buf(&sig);
+ }
+ erts_free(ERTS_ALC_T_SYS_READ_BUF, read_buf);
+}
+
+OS_PROCESS(fd_writer_process) {
+ OseSignal *sig;
+ PROCESS parent;
+ int fd;
+ SIGSELECT sigsel[] = { 1, SYSDRIVERCONFSIG, SYSDRIVERASYNCSIG };
+
+ TRACE;
+ /* Only wait for config event with the fd which we are printing to */
+ sig = receive(sigsel);
+
+ TRACE;
+
+ fd = sig->conf_async.fd;
+ parent = sig->conf_async.parent;
+ free_buf(&sig);
+
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ {
+ char buf[31];
+ erts_snprintf(&buf[0], 31, "fd_writer %beu", fd);
+ erts_lc_set_thread_name(&buf[0]);
+ }
+#endif
+
+ sigsel[0] = 2;
+ /* Why do I need these?!? */
+ if (fd == 1) {
+ FILE* ffd = stdout;
+ } else if (fd == 2) {
+ FILE* ffd = stderr;
+ }
+
+ while (1) {
+ int errno_copy = errno;
+ int res;
+ SysIOVec *iov0;
+ SysIOVec *iov;
+ int iovlen;
+ int iovcnt;
+ int n = 0, i;
+ size_t p;
+ /* fprintf(stderr,"0x%x: fd_writer, receive\n", current_process()); */
+ sig = receive(sigsel);
+ /* size = sig->sys_async.res;*/
+ if (sig->sig_no == SYSDRIVERCONFSIG)
+ return;
+ driver_pdl_lock(driver_data[fd].pdl);
+
+ iov0 = driver_peekq(driver_data[fd].port_num, &iovlen);
+
+ /* Calculate iovcnt */
+ for (p = 0, iovcnt = 0; iovcnt < iovlen;
+ p += iov0[iovcnt++].iov_len)
+ ;
+ iov = driver_alloc(sizeof(SysIOVec) * iovcnt);
+ memcpy(iov, iov0, iovcnt * sizeof(SysIOVec));
+ driver_pdl_unlock(driver_data[fd].pdl);
+ /* Let go of lock until we deque from original vector */
+
+ if (iovlen > 0) {
+ for (i = 0; i < iovcnt; i++) {
+ res = write(fd, iov[i].iov_base, iov[i].iov_len > 256 ? 256 : iov[i].iov_len);
+ if (res < 0)
+ break;
+ n += res;
+ }
+ if (res > 0)
+ res = n;
+ } else if (iovlen == 0) {
+ res = 0;
+ } else { /* Port has terminated */
+ res = -1;
+ }
+ driver_free(iov);
+
+ sig->sys_async.buff = NULL;
+ sig->sys_async.res = res;
+ if (errno != errno_copy)
+ sig->sys_async.errno_copy = errno;
+ else
+ sig->sys_async.errno_copy = -1;
+ sig->sys_async.type = fd;
+ send(&sig, parent);
+ }
+}
+
+#define FD_DEF_HEIGHT 24
+#define FD_DEF_WIDTH 80
+/* Control op */
+#define FD_CTRL_OP_GET_WINSIZE 100
+
+static int fd_get_window_size(int fd, Uint32 *width, Uint32 *height)
+{
+#ifdef TIOCGWINSZ
+ struct winsize ws;
+ if (ioctl(fd,TIOCGWINSZ,&ws) == 0) {
+ *width = (Uint32) ws.ws_col;
+ *height = (Uint32) ws.ws_row;
+ return 0;
+ }
+#endif
+ return -1;
+}
+
+static ErlDrvSSizeT fd_control(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen)
+{
+ int fd = (int)(long)drv_data;
+ char resbuff[2*sizeof(Uint32)];
+ switch (command) {
+ case FD_CTRL_OP_GET_WINSIZE:
+ {
+ Uint32 w,h;
+ if (fd_get_window_size(fd,&w,&h))
+ return 0;
+ memcpy(resbuff,&w,sizeof(Uint32));
+ memcpy(resbuff+sizeof(Uint32),&h,sizeof(Uint32));
+ }
+ break;
+ default:
+ return 0;
+ }
+ if (rlen < 2*sizeof(Uint32)) {
+ *rbuf = driver_alloc(2*sizeof(Uint32));
+ }
+ memcpy(*rbuf,resbuff,2*sizeof(Uint32));
+ return 2*sizeof(Uint32);
+}
+
+static ErlDrvData fd_start(ErlDrvPort port_num, char* name,
+ SysDriverOpts* opts)
+{
+ ErlDrvData res;
+
+ TRACE;
+
+ CHLD_STAT_LOCK;
+ if (opts->read_write & DO_READ) {
+ init_fd_data(opts->ifd, port_num);
+ }
+ if (opts->read_write & DO_WRITE) {
+ init_fd_data(opts->ofd, port_num);
+ }
+ res = (ErlDrvData)(long)set_driver_data(port_num, opts->ifd, opts->ofd,
+ opts->packet_bytes,
+ opts->read_write, 0, -1);
+ CHLD_STAT_UNLOCK;
+ return res;
+}
+
+static void clear_fd_data(int fd)
+{
+ TRACE;
+
+ if (fd_data[fd].sz > 0) {
+ erts_free(ERTS_ALC_T_FD_ENTRY_BUF, (void *) fd_data[fd].buf);
+ ASSERT(erts_smp_atomic_read_nob(&sys_misc_mem_sz) >= fd_data[fd].sz);
+ erts_smp_atomic_add_nob(&sys_misc_mem_sz, -1*fd_data[fd].sz);
+ }
+ fd_data[fd].buf = NULL;
+ fd_data[fd].sz = 0;
+ fd_data[fd].remain = 0;
+ fd_data[fd].cpos = NULL;
+ fd_data[fd].psz = 0;
+}
+
+static void nbio_stop_fd(ErlDrvPort prt, ErlDrvEvent ev)
+{
+ int fd;
+ TRACE;
+ driver_select(prt,ev,DO_READ|DO_WRITE,0);
+ erl_drv_ose_event_fetch(ev, NULL, &fd);
+ clear_fd_data(fd);
+ SET_BLOCKING(fd);
+}
+
+static void fd_stop(ErlDrvData fd) /* Does not close the fds */
+{
+ int ofd;
+
+ TRACE;
+
+ nbio_stop_fd(driver_data[(int)(long)fd].port_num, driver_data[(int)(long)fd].in_sig_descr);
+ ofd = driver_data[(int)(long)fd].ofd;
+ if (ofd != (int)(long)fd && ofd != -1)
+ nbio_stop_fd(driver_data[(int)(long)fd].port_num, driver_data[(int)(long)fd].out_sig_descr);
+}
+
+/* Note that driver_data[fd].ifd == fd if the port was opened for reading, */
+/* otherwise (i.e. write only) driver_data[fd].ofd = fd. */
+
+static void erl_stop(ErlDrvData fd)
+{
+ ErlDrvPort prt;
+ int ofd;
+
+ TRACE;
+
+ prt = driver_data[(int)(long)fd].port_num;
+ nbio_stop_fd(prt, driver_data[(int)(long)fd].in_sig_descr);
+
+ ofd = driver_data[(int)(long)fd].ofd;
+ if (ofd != (int)(long)fd && (int)(long)ofd != -1)
+ nbio_stop_fd(prt, driver_data[(int)(long)fd].out_sig_descr);
+ else
+ ofd = -1;
+
+ CHLD_STAT_LOCK;
+
+ /* Mark as unused. */
+ driver_data[(int)(long)fd].pid = -1;
+
+ CHLD_STAT_UNLOCK;
+
+ /* SMP note: Close has to be last thing done (open file descriptors work
+ as locks on driver_data[] entries) */
+ driver_select(prt, driver_data[(int)(long)fd].in_sig_descr, ERL_DRV_USE, 0); /* close(fd); */
+ if (ofd >= 0) {
+ driver_select(prt, driver_data[(int)(long)fd].out_sig_descr, ERL_DRV_USE, 0); /* close(ofd); */
+ }
+}
+
+static void outputv(ErlDrvData e, ErlIOVec* ev)
+{
+ int fd = (int)(long)e;
+ ErlDrvPort ix = driver_data[fd].port_num;
+ int pb = driver_data[fd].packet_bytes;
+ ErlDrvSizeT sz;
+ char lb[4];
+ char* lbp;
+ ErlDrvSizeT len = ev->size;
+
+ TRACE;
+
+ /* (len > ((unsigned long)-1 >> (4-pb)*8)) */
+ /* if (pb >= 0 && (len & (((ErlDrvSizeT)1 << (pb*8))) - 1) != len) {*/
+ if (((pb == 2) && (len > 0xffff)) || (pb == 1 && len > 0xff)) {
+ driver_failure_posix(ix, EINVAL);
+ return; /* -1; */
+ }
+ /* Handles 0 <= pb <= 4 only */
+ put_int32((Uint32) len, lb);
+ lbp = lb + (4-pb);
+
+ ev->iov[0].iov_base = lbp;
+ ev->iov[0].iov_len = pb;
+ ev->size += pb;
+ driver_pdl_lock(driver_data[fd].pdl);
+ if ((sz = driver_sizeq(ix)) > 0) {
+ /* fprintf(stderr,"0x%x: outputv, enq\n", current_process()); */
+ driver_enqv(ix, ev, 0);
+ if (sz + ev->size >= (1 << 13))
+ set_busy_port(ix, 1);
+ driver_pdl_unlock(driver_data[fd].pdl);
+ }
+ else {
+ OseSignal *sig;
+ /* fprintf(stderr,"0x%x: outputv, enq+sel\n", current_process()); */
+ driver_enqv(ix, ev, 0); /* n is the skip value */
+ driver_pdl_unlock(driver_data[fd].pdl);
+ driver_select(ix, driver_data[fd].out_sig_descr, ERL_DRV_WRITE|ERL_DRV_USE, 1);
+ sig = alloc(sizeof(SysDriverAsyncSignal),SYSDRIVERASYNCSIG);
+ sig->sys_async.type = fd;
+ sig->sys_async.res = pb+len;
+ send(&sig,driver_data[fd].out_proc);
+ }
+ /* return 0;*/
+}
+
+
+static void output(ErlDrvData e, char* buf, ErlDrvSizeT len)
+{
+ int fd = (int)(long)e;
+ ErlDrvPort ix = driver_data[fd].port_num;
+ int pb = driver_data[fd].packet_bytes;
+ int ofd = driver_data[fd].ofd;
+ ErlDrvSizeT sz;
+ char lb[4];
+ char* lbp;
+#if 0
+ struct iovec iv[2];
+#endif
+
+ TRACE;
+
+ /* (len > ((unsigned long)-1 >> (4-pb)*8)) */
+ if (((pb == 2) && (len > 0xffff)) || (pb == 1 && len > 0xff)) {
+ driver_failure_posix(ix, EINVAL);
+ return; /* -1; */
+ }
+ put_int32(len, lb);
+ lbp = lb + (4-pb);
+
+ driver_pdl_lock(driver_data[fd].pdl);
+ if ((sz = driver_sizeq(ix)) > 0) {
+ /* fprintf(stderr,"0x%x: output, enq\n", current_process()); */
+ driver_enq(ix, lbp, pb);
+ driver_enq(ix, buf, len);
+ driver_pdl_unlock(driver_data[fd].pdl);
+ if (sz + len + pb >= (1 << 13))
+ set_busy_port(ix, 1);
+ }
+ else {
+ OseSignal *sig;
+ /* fprintf(stderr,"0x%x: output, enq+select\n", current_process()); */
+#if 0
+ iv[0].iov_base = lbp;
+ iv[0].iov_len = pb; /* should work for pb=0 */
+ iv[1].iov_base = buf;
+ iv[1].iov_len = len;
+#endif
+ driver_enq(ix, lbp, pb);
+ driver_enq(ix, buf, len);
+ driver_pdl_unlock(driver_data[fd].pdl);
+ driver_select(ix, driver_data[ofd].out_sig_descr, ERL_DRV_WRITE|ERL_DRV_USE, 1);
+ sig = alloc(sizeof(SysDriverAsyncSignal),SYSDRIVERASYNCSIG);
+ sig->sys_async.type = fd;
+ sig->sys_async.res = pb+len;
+ send(&sig,driver_data[fd].out_proc);
+ }
+ return; /* 0; */
+}
+
+static int port_inp_failure(ErlDrvPort port_num, ErlDrvEvent ready_fd, int res)
+ /* Result: 0 (eof) or -1 (error) */
+{
+ int err = errno;
+ int fd;
+
+ ASSERT(res <= 0);
+ (void) driver_select(port_num, ready_fd, ERL_DRV_READ|ERL_DRV_WRITE, 0);
+ erl_drv_ose_event_fetch(ready_fd,NULL,&fd);
+ clear_fd_data(fd);
+ if (res == 0) {
+ if (driver_data[fd].report_exit) {
+ CHLD_STAT_LOCK;
+
+ if (driver_data[fd].alive) {
+ /*
+ * We have eof and want to report exit status, but the process
+ * hasn't exited yet. When it does report_exit_status() will
+ * driver_select() this fd which will make sure that we get
+ * back here with driver_data[ready_fd].alive == 0 and
+ * driver_data[ready_fd].status set.
+ */
+ CHLD_STAT_UNLOCK;
+ return 0;
+ }
+ else {
+ int status = driver_data[fd].status;
+ CHLD_STAT_UNLOCK;
+
+#if 0 /*ose we should find something for these statuses*/
+ /* We need not be prepared for stopped/continued processes. */
+ if (WIFSIGNALED(status))
+ status = 128 + WTERMSIG(status);
+ else
+ status = WEXITSTATUS(status);
+#endif
+ driver_report_exit(driver_data[fd].port_num, status);
+ }
+ }
+ driver_failure_eof(port_num);
+ } else {
+ driver_failure_posix(port_num, err);
+ }
+ return 0;
+}
+
+static int async_read(ErlDrvEvent fd, byte *buff, int size) {
+ OseSignal *sigptr = erl_drv_ose_get_input_signal(fd);
+ int res = sigptr->sys_async.res;
+ if (res > 0)
+ memcpy(buff,sigptr->sys_async.buff,sigptr->sys_async.res);
+ errno = sigptr->sys_async.errno_copy;
+ send(&sigptr,sender(&sigptr));
+ ASSERT(erl_drv_ose_get_input_signal(fd) == NULL);
+ return res;
+}
+
+/* fd is the drv_data that is returned from the */
+/* initial start routine */
+/* ready_fd is the descriptor that is ready to read */
+
+static void ready_input(ErlDrvData e, ErlDrvEvent ready_fd)
+{
+ int fd = (int)(long)e;
+ ErlDrvPort port_num;
+ int packet_bytes;
+ int res;
+ Uint h;
+
+ TRACE;
+
+ port_num = driver_data[fd].port_num;
+ packet_bytes = driver_data[fd].packet_bytes;
+
+ if (packet_bytes == 0) {
+ byte *read_buf = (byte *) erts_alloc(ERTS_ALC_T_SYS_READ_BUF,
+ ERTS_SYS_READ_BUF_SZ);
+ res = async_read(ready_fd, read_buf, ERTS_SYS_READ_BUF_SZ);
+ if (res < 0) {
+ if ((errno != EINTR) && (errno != ERRNO_BLOCK))
+ port_inp_failure(port_num, ready_fd, res);
+ }
+ else if (res == 0)
+ port_inp_failure(port_num, ready_fd, res);
+ else
+ driver_output(port_num, (char*) read_buf, res);
+ erts_free(ERTS_ALC_T_SYS_READ_BUF, (void *) read_buf);
+ }
+ else if (fd_data[fd].remain > 0) { /* We try to read the remainder */
+ /* space is allocated in buf */
+ res = async_read(ready_fd, (byte*)fd_data[fd].cpos,
+ fd_data[fd].remain);
+ if (res < 0) {
+ if ((errno != EINTR) && (errno != ERRNO_BLOCK))
+ port_inp_failure(port_num, ready_fd, res);
+ }
+ else if (res == 0) {
+ port_inp_failure(port_num, ready_fd, res);
+ }
+ else if (res == fd_data[fd].remain) { /* we're done */
+ driver_output(port_num, fd_data[fd].buf,
+ fd_data[fd].sz);
+ clear_fd_data(fd);
+ }
+ else { /* if (res < fd_data[ready_fd].remain) */
+ fd_data[fd].cpos += res;
+ fd_data[fd].remain -= res;
+ }
+ }
+ else if (fd_data[fd].remain == 0) { /* clean fd */
+ byte *read_buf = (byte *) erts_alloc(ERTS_ALC_T_SYS_READ_BUF,
+ ERTS_SYS_READ_BUF_SZ);
+ /* We make one read attempt and see what happens */
+ res = async_read(ready_fd, read_buf, ERTS_SYS_READ_BUF_SZ);
+ if (res < 0) {
+ if ((errno != EINTR) && (errno != ERRNO_BLOCK))
+ port_inp_failure(port_num, ready_fd, res);
+ }
+ else if (res == 0) { /* eof */
+ port_inp_failure(port_num, ready_fd, res);
+ }
+ else if (res < packet_bytes - fd_data[fd].psz) {
+ memcpy(fd_data[fd].pbuf+fd_data[fd].psz,
+ read_buf, res);
+ fd_data[fd].psz += res;
+ }
+ else { /* if (res >= packet_bytes) */
+ unsigned char* cpos = read_buf;
+ int bytes_left = res;
+
+ while (1) {
+ int psz = fd_data[fd].psz;
+ char* pbp = fd_data[fd].pbuf + psz;
+
+ while(bytes_left && (psz < packet_bytes)) {
+ *pbp++ = *cpos++;
+ bytes_left--;
+ psz++;
+ }
+
+ if (psz < packet_bytes) {
+ fd_data[fd].psz = psz;
+ break;
+ }
+ fd_data[fd].psz = 0;
+
+ switch (packet_bytes) {
+ case 1: h = get_int8(fd_data[fd].pbuf); break;
+ case 2: h = get_int16(fd_data[fd].pbuf); break;
+ case 4: h = get_int32(fd_data[fd].pbuf); break;
+ default: ASSERT(0); return; /* -1; */
+ }
+
+ if (h <= (bytes_left)) {
+ driver_output(port_num, (char*) cpos, h);
+ cpos += h;
+ bytes_left -= h;
+ continue;
+ }
+ else { /* The last message we got was split */
+ char *buf = erts_alloc_fnf(ERTS_ALC_T_FD_ENTRY_BUF, h);
+ if (!buf) {
+ errno = ENOMEM;
+ port_inp_failure(port_num, ready_fd, -1);
+ }
+ else {
+ erts_smp_atomic_add_nob(&sys_misc_mem_sz, h);
+ sys_memcpy(buf, cpos, bytes_left);
+ fd_data[fd].buf = buf;
+ fd_data[fd].sz = h;
+ fd_data[fd].remain = h - bytes_left;
+ fd_data[fd].cpos = buf + bytes_left;
+ }
+ break;
+ }
+ }
+ }
+ erts_free(ERTS_ALC_T_SYS_READ_BUF, (void *) read_buf);
+ }
+}
+
+
+/* fd is the drv_data that is returned from the */
+/* initial start routine */
+/* ready_fd is the descriptor that is ready to read */
+
+static void ready_output(ErlDrvData e, ErlDrvEvent ready_fd)
+{
+ int fd = (int)(long)e;
+ ErlDrvPort ix = driver_data[fd].port_num;
+ OseSignal *sigptr = erl_drv_ose_get_output_signal(ready_fd);
+ ssize_t n;
+ struct iovec* iv;
+ int vsize;
+
+ while (sigptr != NULL) {
+
+ driver_pdl_lock(driver_data[fd].pdl);
+ if ((iv = (struct iovec*) driver_peekq(ix, &vsize)) == NULL) {
+ /* fprintf(stderr,"0x%x: ready_output, unselect\n", current_process()); */
+ driver_pdl_unlock(driver_data[fd].pdl);
+ driver_select(ix, ready_fd, ERL_DRV_WRITE, 0);
+ set_busy_port(ix, 0);
+ free_buf(&sigptr);
+ if ((sigptr = erl_drv_ose_get_output_signal(ready_fd)) == NULL)
+ return; /* 0; */
+ continue;
+ }
+ driver_pdl_unlock(driver_data[fd].pdl);
+ n = sigptr->sys_async.res;
+ if (n < 0) {
+ if (errno == ERRNO_BLOCK || errno == EINTR) {
+ /* fprintf(stderr,"0x%x: ready_output, send to %x\n", current_process(),driver_data[fd].out_proc);*/
+ send(&sigptr,driver_data[fd].out_proc);
+ if ((sigptr = erl_drv_ose_get_output_signal(ready_fd)) == NULL)
+ return; /* 0; */
+ continue;
+ } else {
+ int res = sigptr->sys_async.errno_copy;
+ /* fprintf(stderr,"0x%x: ready_output, error\n", current_process()); */
+ free_buf(&sigptr);
+ driver_select(ix, ready_fd, ERL_DRV_WRITE, 0);
+ driver_failure_posix(ix, res);
+ if ((sigptr = erl_drv_ose_get_output_signal(ready_fd)) == NULL)
+ return; /* -1; */
+ continue;
+ }
+ } else {
+ int remain;
+ driver_pdl_lock(driver_data[fd].pdl);
+ if ((remain = driver_deq(driver_data[fd].port_num, n)) == -1)
+ abort();
+ /* fprintf(stderr, "0x%x: ready_output, %d to %x, remain %d\n", current_process(),
+ n, driver_data[fd].out_proc, remain); */
+ driver_pdl_unlock(driver_data[fd].pdl);
+ if (remain != 0)
+ send(&sigptr, driver_data[fd].out_proc);
+ else
+ continue;
+ }
+ sigptr = erl_drv_ose_get_output_signal(ready_fd);
+ }
+ return; /* 0; */
+}
+
+static void stop_select(ErlDrvEvent fd, void* _)
+{
+ close((int)fd);
+}
+
+
+void erts_do_break_handling(void)
+{
+ struct termios temp_mode;
+ int saved = 0;
+
+ /*
+ * Most functions that do_break() calls are intentionally not thread safe;
+ * therefore, make sure that all threads but this one are blocked before
+ * proceeding!
+ */
+ erts_smp_thr_progress_block();
+
+ /* during break we revert to initial settings */
+ /* this is done differently for oldshell */
+ if (using_oldshell && !replace_intr) {
+ SET_BLOCKING(1);
+ }
+ else if (isatty(0)) {
+ tcgetattr(0,&temp_mode);
+ tcsetattr(0,TCSANOW,&initial_tty_mode);
+ saved = 1;
+ }
+
+ /* call the break handling function, reset the flag */
+ do_break();
+
+ fflush(stdout);
+
+ /* after break we go back to saved settings */
+ if (using_oldshell && !replace_intr) {
+ SET_NONBLOCKING(1);
+ }
+ else if (saved) {
+ tcsetattr(0,TCSANOW,&temp_mode);
+ }
+
+ erts_smp_thr_progress_unblock();
+}
+
+static pid_t
+getpid(void)
+{
+ return get_bid(current_process());
+}
+
+int getpagesize(void)
+{
+ return 1024;
+}
+
+
+/* Fills in the systems representation of the jam/beam process identifier.
+** The Pid is put in STRING representation in the supplied buffer,
+** no interpretatione of this should be done by the rest of the
+** emulator. The buffer should be at least 21 bytes long.
+*/
+void sys_get_pid(char *buffer, size_t buffer_size){
+ pid_t p = getpid();
+ /* Assume the pid is scalar and can rest in an unsigned long... */
+ erts_snprintf(buffer, buffer_size, "%lu",(unsigned long) p);
+}
+
+int
+erts_sys_putenv_raw(char *key, char *value) {
+ return erts_sys_putenv(key, value);
+}
+int
+erts_sys_putenv(char *key, char *value)
+{
+ int res;
+ char *env;
+ Uint need = strlen(key) + strlen(value) + 2;
+
+#ifdef HAVE_COPYING_PUTENV
+ env = erts_alloc(ERTS_ALC_T_TMP, need);
+#else
+ env = erts_alloc(ERTS_ALC_T_PUTENV_STR, need);
+ erts_smp_atomic_add_nob(&sys_misc_mem_sz, need);
+#endif
+ strcpy(env,key);
+ strcat(env,"=");
+ strcat(env,value);
+ erts_smp_rwmtx_rwlock(&environ_rwmtx);
+ res = putenv(env);
+ erts_smp_rwmtx_rwunlock(&environ_rwmtx);
+#ifdef HAVE_COPYING_PUTENV
+ erts_free(ERTS_ALC_T_TMP, env);
+#endif
+ return res;
+}
+
+int
+erts_sys_getenv__(char *key, char *value, size_t *size)
+{
+ int res;
+ char *orig_value = getenv(key);
+ if (!orig_value)
+ res = -1;
+ else {
+ size_t len = sys_strlen(orig_value);
+ if (len >= *size) {
+ *size = len + 1;
+ res = 1;
+ }
+ else {
+ *size = len;
+ sys_memcpy((void *) value, (void *) orig_value, len+1);
+ res = 0;
+ }
+ }
+ return res;
+}
+
+int
+erts_sys_getenv_raw(char *key, char *value, size_t *size) {
+ return erts_sys_getenv(key, value, size);
+}
+
+/*
+ * erts_sys_getenv
+ * returns:
+ * -1, if environment key is not set with a value
+ * 0, if environment key is set and value fits into buffer res
+ * 1, if environment key is set but does not fit into buffer res
+ * res is set with the needed buffer res value
+ */
+
+int
+erts_sys_getenv(char *key, char *value, size_t *size)
+{
+ int res;
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ res = erts_sys_getenv__(key, value, size);
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+ return res;
+}
+
+void
+sys_init_io(void)
+{
+ fd_data = (struct fd_data *)
+ erts_alloc(ERTS_ALC_T_FD_TAB, max_files * sizeof(struct fd_data));
+ erts_smp_atomic_add_nob(&sys_misc_mem_sz,
+ max_files * sizeof(struct fd_data));
+}
+
+extern const char pre_loaded_code[];
+extern Preload pre_loaded[];
+
+void erts_sys_alloc_init(void)
+{
+}
+
+void *erts_sys_alloc(ErtsAlcType_t t, void *x, Uint sz)
+{
+ void *res = malloc((size_t) sz);
+#if HAVE_ERTS_MSEG
+ if (!res) {
+ erts_mseg_clear_cache();
+ return malloc((size_t) sz);
+ }
+#endif
+ return res;
+}
+
+void *erts_sys_realloc(ErtsAlcType_t t, void *x, void *p, Uint sz)
+{
+ void *res = realloc(p, (size_t) sz);
+#if HAVE_ERTS_MSEG
+ if (!res) {
+ erts_mseg_clear_cache();
+ return realloc(p, (size_t) sz);
+ }
+#endif
+ return res;
+}
+
+void erts_sys_free(ErtsAlcType_t t, void *x, void *p)
+{
+ free(p);
+}
+
+/* Return a pointer to a vector of names of preloaded modules */
+
+Preload*
+sys_preloaded(void)
+{
+ return pre_loaded;
+}
+
+/* Return a pointer to preloaded code for module "module" */
+unsigned char*
+sys_preload_begin(Preload* p)
+{
+ return p->code;
+}
+
+/* Clean up if allocated */
+void sys_preload_end(Preload* p)
+{
+ /* Nothing */
+}
+
+/* Read a key from console (?) */
+
+int sys_get_key(fd)
+int fd;
+{
+ int c;
+ unsigned char rbuf[64];
+
+ TRACE;
+
+ fflush(stdout); /* Flush query ??? */
+
+ if ((c = read(fd,rbuf,64)) <= 0) {
+ return c;
+ }
+
+ return rbuf[0];
+}
+
+
+#ifdef DEBUG
+
+extern int erts_initialized;
+void
+erl_assert_error(char* expr, char* file, int line)
+{
+ fflush(stdout);
+ fprintf(stderr, "Assertion failed: %s in %s, line %d\n",
+ expr, file, line);
+ fflush(stderr);
+ ramlog_printf("%d: Assertion failed: %s in %s, line %d\n",
+ current_process(), expr, file, line);
+ abort();
+}
+
+void
+erl_debug(char* fmt, ...)
+{
+ char sbuf[1024]; /* Temporary buffer. */
+ va_list va;
+
+ if (debug_log) {
+ va_start(va, fmt);
+ vsprintf(sbuf, fmt, va);
+ va_end(va);
+ fprintf(stderr, "%s", sbuf);
+ }
+}
+
+#endif /* DEBUG */
+
+static ERTS_INLINE void
+report_exit_status(ErtsSysReportExit *rep, int status)
+{
+ Port *pp;
+#ifdef ERTS_SMP
+ CHLD_STAT_UNLOCK;
+ pp = erts_thr_id2port_sflgs(rep->port,
+ ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP);
+ CHLD_STAT_LOCK;
+#else
+ pp = erts_id2port_sflgs(rep->port,
+ NULL,
+ 0,
+ ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP);
+#endif
+ if (pp) {
+ if (rep->ifd >= 0) {
+ driver_data[rep->ifd].alive = 0;
+ driver_data[rep->ifd].status = status;
+ (void) driver_select(ERTS_Port2ErlDrvPort(pp),
+ rep->in_sig_descr,
+ (ERL_DRV_READ|ERL_DRV_USE),
+ 1);
+ }
+ if (rep->ofd >= 0) {
+ driver_data[rep->ofd].alive = 0;
+ driver_data[rep->ofd].status = status;
+ (void) driver_select(ERTS_Port2ErlDrvPort(pp),
+ rep->out_sig_descr,
+ (ERL_DRV_WRITE|ERL_DRV_USE),
+ 1);
+ }
+#ifdef ERTS_SMP
+ erts_thr_port_release(pp);
+#else
+ erts_port_release(pp);
+#endif
+ }
+ erts_free(ERTS_ALC_T_PRT_REP_EXIT, rep);
+}
+
+#define ERTS_REPORT_EXIT_STATUS report_exit_status
+
+/*
+ * Called from schedule() when it runs out of runnable processes,
+ * or when Erlang code has performed INPUT_REDUCTIONS reduction
+ * steps. runnable == 0 iff there are no runnable Erlang processes.
+ */
+void
+erl_sys_schedule(int runnable)
+{
+ ASSERT(get_fsem(current_process()) == 0);
+#ifdef ERTS_SMP
+ ERTS_CHK_IO(!runnable);
+#else
+ ERTS_CHK_IO( 1 );
+#endif
+ ASSERT(get_fsem(current_process()) == 0);
+ ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking());
+}
+
+
+#ifdef ERTS_SMP
+
+void
+erts_sys_main_thread(void)
+{
+ erts_thread_disable_fpe();
+
+ /* Become signal receiver thread... */
+#ifdef ERTS_ENABLE_LOCK_CHECK
+ erts_lc_set_thread_name("signal_receiver");
+#endif
+
+ while (1) {
+ static const SIGSELECT sigsel[] = {0};
+ OseSignal *msg = receive(sigsel);
+
+ fprintf(stderr,"Main thread got message %d from 0x%x!!\r\n",
+ msg->sig_no, sender(&msg));
+ free_buf(&msg);
+ }
+}
+
+#endif /* ERTS_SMP */
+
+void
+erl_sys_args(int* argc, char** argv)
+{
+ int i, j;
+
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+
+ init_check_io();
+
+ /* Handled arguments have been marked with NULL. Slide arguments
+ not handled towards the beginning of argv. */
+ for (i = 0, j = 0; i < *argc; i++) {
+ if (argv[i])
+ argv[j++] = argv[i];
+ }
+ *argc = j;
+
+}
diff --git a/erts/emulator/sys/ose/sys_float.c b/erts/emulator/sys/ose/sys_float.c
new file mode 100644
index 0000000000..d9d6bb7c04
--- /dev/null
+++ b/erts/emulator/sys/ose/sys_float.c
@@ -0,0 +1,844 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2001-2013. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sys.h"
+#include "global.h"
+#include "erl_process.h"
+
+
+#ifdef NO_FPE_SIGNALS
+
+void
+erts_sys_init_float(void)
+{
+# ifdef SIGFPE
+ sys_sigset(SIGFPE, SIG_IGN); /* Ignore so we can test for NaN and Inf */
+# endif
+}
+
+#else /* !NO_FPE_SIGNALS */
+
+#ifdef ERTS_SMP
+static erts_tsd_key_t fpe_key;
+
+/* once-only initialisation early in the main thread (via erts_sys_init_float()) */
+static void erts_init_fp_exception(void)
+{
+ /* XXX: the wrappers prevent using a pthread destructor to
+ deallocate the key's value; so when/where do we do that? */
+ erts_tsd_key_create(&fpe_key);
+}
+
+void erts_thread_init_fp_exception(void)
+{
+ unsigned long *fpe = erts_alloc(ERTS_ALC_T_FP_EXCEPTION, sizeof(*fpe));
+ *fpe = 0L;
+ erts_tsd_set(fpe_key, fpe);
+}
+
+static ERTS_INLINE volatile unsigned long *erts_thread_get_fp_exception(void)
+{
+ return (volatile unsigned long*)erts_tsd_get(fpe_key);
+}
+#else /* !SMP */
+#define erts_init_fp_exception() /*empty*/
+static volatile unsigned long fp_exception;
+#define erts_thread_get_fp_exception() (&fp_exception)
+#endif /* SMP */
+
+volatile unsigned long *erts_get_current_fp_exception(void)
+{
+ Process *c_p;
+
+ c_p = erts_get_current_process();
+ if (c_p)
+ return &c_p->fp_exception;
+ return erts_thread_get_fp_exception();
+}
+
+static void set_current_fp_exception(unsigned long pc)
+{
+ volatile unsigned long *fpexnp = erts_get_current_fp_exception();
+ ASSERT(fpexnp != NULL);
+ *fpexnp = pc;
+}
+
+void erts_fp_check_init_error(volatile unsigned long *fpexnp)
+{
+ char buf[64];
+ snprintf(buf, sizeof buf, "ERTS_FP_CHECK_INIT at %p: detected unhandled FPE at %p\r\n",
+ __builtin_return_address(0), (void*)*fpexnp);
+ if (write(2, buf, strlen(buf)) <= 0)
+ erl_exit(ERTS_ABORT_EXIT, "%s", buf);
+ *fpexnp = 0;
+#if defined(__i386__) || defined(__x86_64__)
+ erts_restore_fpu();
+#endif
+}
+
+/* Is there no standard identifier for Darwin/MacOSX ? */
+#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__)
+#define __DARWIN__ 1
+#endif
+
+#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
+
+static void unmask_x87(void)
+{
+ unsigned short cw;
+
+ __asm__ __volatile__("fstcw %0" : "=m"(cw));
+ cw &= ~(0x01|0x04|0x08); /* unmask IM, ZM, OM */
+ __asm__ __volatile__("fldcw %0" : : "m"(cw));
+}
+
+/* mask x87 FPE, return true if the previous state was unmasked */
+static int mask_x87(void)
+{
+ unsigned short cw;
+ int unmasked;
+
+ __asm__ __volatile__("fstcw %0" : "=m"(cw));
+ unmasked = (cw & (0x01|0x04|0x08)) == 0;
+ /* or just set cw = 0x37f */
+ cw |= (0x01|0x04|0x08); /* mask IM, ZM, OM */
+ __asm__ __volatile__("fldcw %0" : : "m"(cw));
+ return unmasked;
+}
+
+static void unmask_sse2(void)
+{
+ unsigned int mxcsr;
+
+ __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr));
+ mxcsr &= ~(0x003F|0x0680); /* clear exn flags, unmask OM, ZM, IM (not PM, UM, DM) */
+ __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr));
+}
+
+/* mask SSE2 FPE, return true if the previous state was unmasked */
+static int mask_sse2(void)
+{
+ unsigned int mxcsr;
+ int unmasked;
+
+ __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr));
+ unmasked = (mxcsr & 0x0680) == 0;
+ /* or just set mxcsr = 0x1f80 */
+ mxcsr &= ~0x003F; /* clear exn flags */
+ mxcsr |= 0x0680; /* mask OM, ZM, IM (not PM, UM, DM) */
+ __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr));
+ return unmasked;
+}
+
+#if defined(__x86_64__)
+
+static inline int cpu_has_sse2(void) { return 1; }
+
+#else /* !__x86_64__ */
+
+/*
+ * Check if an x86-32 processor has SSE2.
+ */
+static unsigned int xor_eflags(unsigned int mask)
+{
+ unsigned int eax, edx;
+
+ eax = mask; /* eax = mask */
+ __asm__("pushfl\n\t"
+ "popl %0\n\t" /* edx = original EFLAGS */
+ "xorl %0, %1\n\t" /* eax = mask ^ EFLAGS */
+ "pushl %1\n\t"
+ "popfl\n\t" /* new EFLAGS = mask ^ original EFLAGS */
+ "pushfl\n\t"
+ "popl %1\n\t" /* eax = new EFLAGS */
+ "xorl %0, %1\n\t" /* eax = new EFLAGS ^ old EFLAGS */
+ "pushl %0\n\t"
+ "popfl" /* restore original EFLAGS */
+ : "=d"(edx), "=a"(eax)
+ : "1"(eax));
+ return eax;
+}
+
+static __inline__ unsigned int cpuid_eax(unsigned int op)
+{
+ unsigned int eax, save_ebx;
+
+ /* In PIC mode i386 reserves EBX. So we must save
+ and restore it ourselves to not upset gcc. */
+ __asm__(
+ "movl %%ebx, %1\n\t"
+ "cpuid\n\t"
+ "movl %1, %%ebx"
+ : "=a"(eax), "=m"(save_ebx)
+ : "0"(op)
+ : "cx", "dx");
+ return eax;
+}
+
+static __inline__ unsigned int cpuid_edx(unsigned int op)
+{
+ unsigned int eax, edx, save_ebx;
+
+ /* In PIC mode i386 reserves EBX. So we must save
+ and restore it ourselves to not upset gcc. */
+ __asm__(
+ "movl %%ebx, %2\n\t"
+ "cpuid\n\t"
+ "movl %2, %%ebx"
+ : "=a"(eax), "=d"(edx), "=m"(save_ebx)
+ : "0"(op)
+ : "cx");
+ return edx;
+}
+
+/* The AC bit, bit #18, is a new bit introduced in the EFLAGS
+ * register on the Intel486 processor to generate alignment
+ * faults. This bit cannot be set on the Intel386 processor.
+ */
+static __inline__ int is_386(void)
+{
+ return ((xor_eflags(1<<18) >> 18) & 1) == 0;
+}
+
+/* Newer x86 processors have a CPUID instruction, as indicated by
+ * the ID bit (#21) in EFLAGS being modifiable.
+ */
+static __inline__ int has_CPUID(void)
+{
+ return (xor_eflags(1<<21) >> 21) & 1;
+}
+
+static int cpu_has_sse2(void)
+{
+ unsigned int maxlev, features;
+ static int has_sse2 = -1;
+
+ if (has_sse2 >= 0)
+ return has_sse2;
+ has_sse2 = 0;
+
+ if (is_386())
+ return 0;
+ if (!has_CPUID())
+ return 0;
+ maxlev = cpuid_eax(0);
+ /* Intel A-step Pentium had a preliminary version of CPUID.
+ It also didn't have SSE2. */
+ if ((maxlev & 0xFFFFFF00) == 0x0500)
+ return 0;
+ /* If max level is zero then CPUID cannot report any features. */
+ if (maxlev == 0)
+ return 0;
+ features = cpuid_edx(1);
+ has_sse2 = (features & (1 << 26)) != 0;
+
+ return has_sse2;
+}
+#endif /* !__x86_64__ */
+
+static void unmask_fpe(void)
+{
+ __asm__ __volatile__("fnclex");
+ unmask_x87();
+ if (cpu_has_sse2())
+ unmask_sse2();
+}
+
+static void unmask_fpe_conditional(int unmasked)
+{
+ if (unmasked)
+ unmask_fpe();
+}
+
+/* mask x86 FPE, return true if the previous state was unmasked */
+static int mask_fpe(void)
+{
+ int unmasked;
+
+ unmasked = mask_x87();
+ if (cpu_has_sse2())
+ unmasked |= mask_sse2();
+ return unmasked;
+}
+
+void erts_restore_fpu(void)
+{
+ __asm__ __volatile__("fninit");
+ unmask_x87();
+ if (cpu_has_sse2())
+ unmask_sse2();
+}
+
+#elif defined(__sparc__) && defined(__linux__)
+
+#if defined(__arch64__)
+#define LDX "ldx"
+#define STX "stx"
+#else
+#define LDX "ld"
+#define STX "st"
+#endif
+
+static void unmask_fpe(void)
+{
+ unsigned long fsr;
+
+ __asm__(STX " %%fsr, %0" : "=m"(fsr));
+ fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */
+ fsr |= (0x1AUL << 23); /* enable NV, OF, DZ exceptions */
+ __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr));
+}
+
+static void unmask_fpe_conditional(int unmasked)
+{
+ if (unmasked)
+ unmask_fpe();
+}
+
+/* mask SPARC FPE, return true if the previous state was unmasked */
+static int mask_fpe(void)
+{
+ unsigned long fsr;
+ int unmasked;
+
+ __asm__(STX " %%fsr, %0" : "=m"(fsr));
+ unmasked = ((fsr >> 23) & 0x1A) == 0x1A;
+ fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */
+ __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr));
+ return unmasked;
+}
+
+#elif (defined(__powerpc__) && defined(__linux__)) || (defined(__ppc__) && defined(__DARWIN__))
+
+#if defined(__linux__)
+#include <sys/prctl.h>
+
+static void set_fpexc_precise(void)
+{
+ if (prctl(PR_SET_FPEXC, PR_FP_EXC_PRECISE) < 0) {
+ perror("PR_SET_FPEXC");
+ exit(1);
+ }
+}
+
+#elif defined(__DARWIN__)
+
+#include <mach/mach.h>
+#include <pthread.h>
+
+/*
+ * FE0 FE1 MSR bits
+ * 0 0 floating-point exceptions disabled
+ * 0 1 floating-point imprecise nonrecoverable
+ * 1 0 floating-point imprecise recoverable
+ * 1 1 floating-point precise mode
+ *
+ * Apparently:
+ * - Darwin 5.5 (MacOS X <= 10.1) starts with FE0 == FE1 == 0,
+ * and resets FE0 and FE1 to 0 after each SIGFPE.
+ * - Darwin 6.0 (MacOS X 10.2) starts with FE0 == FE1 == 1,
+ * and does not reset FE0 or FE1 after a SIGFPE.
+ */
+#define FE0_MASK (1<<11)
+#define FE1_MASK (1<<8)
+
+/* a thread cannot get or set its own MSR bits */
+static void *fpu_fpe_enable(void *arg)
+{
+ thread_t t = *(thread_t*)arg;
+ struct ppc_thread_state state;
+ unsigned int state_size = PPC_THREAD_STATE_COUNT;
+
+ if (thread_get_state(t, PPC_THREAD_STATE, (natural_t*)&state, &state_size) != KERN_SUCCESS) {
+ perror("thread_get_state");
+ exit(1);
+ }
+ if ((state.srr1 & (FE1_MASK|FE0_MASK)) != (FE1_MASK|FE0_MASK)) {
+#if 1
+ /* This would also have to be performed in the SIGFPE handler
+ to work around the MSR reset older Darwin releases do. */
+ state.srr1 |= (FE1_MASK|FE0_MASK);
+ thread_set_state(t, PPC_THREAD_STATE, (natural_t*)&state, state_size);
+#else
+ fprintf(stderr, "srr1 == 0x%08x, your Darwin is too old\n", state.srr1);
+ exit(1);
+#endif
+ }
+ return NULL; /* Ok, we appear to be on Darwin 6.0 or later */
+}
+
+static void set_fpexc_precise(void)
+{
+ thread_t self = mach_thread_self();
+ pthread_t enabler;
+
+ if (pthread_create(&enabler, NULL, fpu_fpe_enable, &self)) {
+ perror("pthread_create");
+ } else if (pthread_join(enabler, NULL)) {
+ perror("pthread_join");
+ }
+}
+
+#endif
+
+static void set_fpscr(unsigned int fpscr)
+{
+ union {
+ double d;
+ unsigned int fpscr[2];
+ } u;
+
+ u.fpscr[0] = 0xFFF80000;
+ u.fpscr[1] = fpscr;
+ __asm__ __volatile__("mtfsf 255,%0" : : "f"(u.d));
+}
+
+static unsigned int get_fpscr(void)
+{
+ union {
+ double d;
+ unsigned int fpscr[2];
+ } u;
+
+ __asm__("mffs %0" : "=f"(u.d));
+ return u.fpscr[1];
+}
+
+static void unmask_fpe(void)
+{
+ set_fpexc_precise();
+ set_fpscr(0x80|0x40|0x10); /* VE, OE, ZE; not UE or XE */
+}
+
+static void unmask_fpe_conditional(int unmasked)
+{
+ if (unmasked)
+ unmask_fpe();
+}
+
+/* mask PowerPC FPE, return true if the previous state was unmasked */
+static int mask_fpe(void)
+{
+ int unmasked;
+
+ unmasked = (get_fpscr() & (0x80|0x40|0x10)) == (0x80|0x40|0x10);
+ set_fpscr(0x00);
+ return unmasked;
+}
+
+#else
+
+static void unmask_fpe(void)
+{
+ fpsetmask(FP_X_INV | FP_X_OFL | FP_X_DZ);
+}
+
+static void unmask_fpe_conditional(int unmasked)
+{
+ if (unmasked)
+ unmask_fpe();
+}
+
+/* mask IEEE FPE, return true if previous state was unmasked */
+static int mask_fpe(void)
+{
+ const fp_except unmasked_mask = FP_X_INV | FP_X_OFL | FP_X_DZ;
+ fp_except old_mask;
+
+ old_mask = fpsetmask(0);
+ return (old_mask & unmasked_mask) == unmasked_mask;
+}
+
+#endif
+
+#if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || ((defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__))
+
+#if defined(__linux__) && defined(__i386__)
+#if !defined(X86_FXSR_MAGIC)
+#define X86_FXSR_MAGIC 0x0000
+#endif
+#elif defined(__FreeBSD__) && defined(__x86_64__)
+#include <sys/types.h>
+#include <machine/fpu.h>
+#elif defined(__FreeBSD__) && defined(__i386__)
+#include <sys/types.h>
+#include <machine/npx.h>
+#elif defined(__DARWIN__)
+#include <machine/signal.h>
+#elif defined(__OpenBSD__) && defined(__x86_64__)
+#include <sys/types.h>
+#include <machine/fpu.h>
+#endif
+#if !(defined(__OpenBSD__) && defined(__x86_64__))
+#include <ucontext.h>
+#endif
+#include <string.h>
+
+#if defined(__linux__) && defined(__x86_64__)
+#define mc_pc(mc) ((mc)->gregs[REG_RIP])
+#elif defined(__linux__) && defined(__i386__)
+#define mc_pc(mc) ((mc)->gregs[REG_EIP])
+#elif defined(__DARWIN__) && defined(__i386__)
+#ifdef DARWIN_MODERN_MCONTEXT
+#define mc_pc(mc) ((mc)->__ss.__eip)
+#else
+#define mc_pc(mc) ((mc)->ss.eip)
+#endif
+#elif defined(__DARWIN__) && defined(__x86_64__)
+#ifdef DARWIN_MODERN_MCONTEXT
+#define mc_pc(mc) ((mc)->__ss.__rip)
+#else
+#define mc_pc(mc) ((mc)->ss.rip)
+#endif
+#elif defined(__FreeBSD__) && defined(__x86_64__)
+#define mc_pc(mc) ((mc)->mc_rip)
+#elif defined(__FreeBSD__) && defined(__i386__)
+#define mc_pc(mc) ((mc)->mc_eip)
+#elif defined(__NetBSD__) && defined(__x86_64__)
+#define mc_pc(mc) ((mc)->__gregs[_REG_RIP])
+#elif defined(__NetBSD__) && defined(__i386__)
+#define mc_pc(mc) ((mc)->__gregs[_REG_EIP])
+#elif defined(__OpenBSD__) && defined(__x86_64__)
+#define mc_pc(mc) ((mc)->sc_rip)
+#elif defined(__sun__) && defined(__x86_64__)
+#define mc_pc(mc) ((mc)->gregs[REG_RIP])
+#endif
+
+static void fpe_sig_action(int sig, siginfo_t *si, void *puc)
+{
+ ucontext_t *uc = puc;
+ unsigned long pc;
+
+#if defined(__linux__)
+#if defined(__x86_64__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ fpregset_t fpstate = mc->fpregs;
+ pc = mc_pc(mc);
+ /* A failed SSE2 instruction will restart. To avoid
+ looping we mask SSE2 exceptions now and unmask them
+ again later in erts_check_fpe()/erts_restore_fpu().
+ On RISCs we update PC to skip the failed instruction,
+ but the ever increasing complexity of the x86 instruction
+ set encoding makes that a poor solution here. */
+ fpstate->mxcsr = 0x1F80;
+ fpstate->swd &= ~0xFF;
+#elif defined(__i386__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ fpregset_t fpstate = mc->fpregs;
+ pc = mc_pc(mc);
+ if ((fpstate->status >> 16) == X86_FXSR_MAGIC)
+ ((struct _fpstate*)fpstate)->mxcsr = 0x1F80;
+ fpstate->sw &= ~0xFF;
+#elif defined(__sparc__) && defined(__arch64__)
+ /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */
+ struct sigcontext *sc = (struct sigcontext*)puc;
+ pc = sc->sigc_regs.tpc;
+ sc->sigc_regs.tpc = sc->sigc_regs.tnpc;
+ sc->sigc_regs.tnpc += 4;
+#elif defined(__sparc__)
+ /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */
+ struct sigcontext *sc = (struct sigcontext*)puc;
+ pc = sc->si_regs.pc;
+ sc->si_regs.pc = sc->si_regs.npc;
+ sc->si_regs.npc = (unsigned long)sc->si_regs.npc + 4;
+#elif defined(__powerpc__)
+#if defined(__powerpc64__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ unsigned long *regs = &mc->gp_regs[0];
+#else
+ mcontext_t *mc = uc->uc_mcontext.uc_regs;
+ unsigned long *regs = &mc->gregs[0];
+#endif
+ pc = regs[PT_NIP];
+ regs[PT_NIP] += 4;
+ regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */
+#endif
+#elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__))
+#ifdef DARWIN_MODERN_MCONTEXT
+ mcontext_t mc = uc->uc_mcontext;
+ pc = mc_pc(mc);
+ mc->__fs.__fpu_mxcsr = 0x1F80;
+ *(unsigned short *)&mc->__fs.__fpu_fsw &= ~0xFF;
+#else
+ mcontext_t mc = uc->uc_mcontext;
+ pc = mc_pc(mc);
+ mc->fs.fpu_mxcsr = 0x1F80;
+ *(unsigned short *)&mc->fs.fpu_fsw &= ~0xFF;
+#endif /* DARWIN_MODERN_MCONTEXT */
+#elif defined(__DARWIN__) && defined(__ppc__)
+ mcontext_t mc = uc->uc_mcontext;
+ pc = mc->ss.srr0;
+ mc->ss.srr0 += 4;
+ mc->fs.fpscr = 0x80|0x40|0x10;
+#elif defined(__FreeBSD__) && defined(__x86_64__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ struct savefpu *savefpu = (struct savefpu*)&mc->mc_fpstate;
+ struct envxmm *envxmm = &savefpu->sv_env;
+ pc = mc_pc(mc);
+ envxmm->en_mxcsr = 0x1F80;
+ envxmm->en_sw &= ~0xFF;
+#elif defined(__FreeBSD__) && defined(__i386__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ union savefpu *savefpu = (union savefpu*)&mc->mc_fpstate;
+ pc = mc_pc(mc);
+ if (mc->mc_fpformat == _MC_FPFMT_XMM) {
+ struct envxmm *envxmm = &savefpu->sv_xmm.sv_env;
+ envxmm->en_mxcsr = 0x1F80;
+ envxmm->en_sw &= ~0xFF;
+ } else {
+ struct env87 *env87 = &savefpu->sv_87.sv_env;
+ env87->en_sw &= ~0xFF;
+ }
+#elif defined(__NetBSD__) && defined(__x86_64__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ struct fxsave64 *fxsave = (struct fxsave64 *)&mc->__fpregs;
+ pc = mc_pc(mc);
+ fxsave->fx_mxcsr = 0x1F80;
+ fxsave->fx_fsw &= ~0xFF;
+#elif defined(__NetBSD__) && defined(__i386__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ pc = mc_pc(mc);
+ if (uc->uc_flags & _UC_FXSAVE) {
+ struct envxmm *envxmm = (struct envxmm *)&mc->__fpregs;
+ envxmm->en_mxcsr = 0x1F80;
+ envxmm->en_sw &= ~0xFF;
+ } else {
+ struct env87 *env87 = (struct env87 *)&mc->__fpregs;
+ env87->en_sw &= ~0xFF;
+ }
+#elif defined(__OpenBSD__) && defined(__x86_64__)
+ struct fxsave64 *fxsave = uc->sc_fpstate;
+ pc = mc_pc(uc);
+ fxsave->fx_mxcsr = 0x1F80;
+ fxsave->fx_fsw &= ~0xFF;
+#elif defined(__sun__) && defined(__x86_64__)
+ mcontext_t *mc = &uc->uc_mcontext;
+ struct fpchip_state *fpstate = &mc->fpregs.fp_reg_set.fpchip_state;
+ pc = mc_pc(mc);
+ fpstate->mxcsr = 0x1F80;
+ fpstate->sw &= ~0xFF;
+#endif
+#if 0
+ {
+ char buf[64];
+ snprintf(buf, sizeof buf, "%s: FPE at %p\r\n", __FUNCTION__, (void*)pc);
+ write(2, buf, strlen(buf));
+ }
+#endif
+ set_current_fp_exception(pc);
+}
+
+static void erts_thread_catch_fp_exceptions(void)
+{
+ struct sigaction act;
+ memset(&act, 0, sizeof act);
+ act.sa_sigaction = fpe_sig_action;
+ act.sa_flags = SA_SIGINFO;
+ sigaction(SIGFPE, &act, NULL);
+ unmask_fpe();
+}
+
+#else /* !((__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */
+
+static void fpe_sig_handler(int sig)
+{
+ set_current_fp_exception(1); /* XXX: convert to sigaction so we can get the trap PC */
+}
+
+static void erts_thread_catch_fp_exceptions(void)
+{
+ sys_sigset(SIGFPE, fpe_sig_handler);
+ unmask_fpe();
+}
+
+#endif /* (__linux__ && (__i386__ || __x86_64__ || __powerpc__)) || (__DARWIN__ && (__i386__ || __x86_64__ || __ppc__))) */
+
+/* once-only initialisation early in the main thread */
+void erts_sys_init_float(void)
+{
+ erts_init_fp_exception();
+ erts_thread_catch_fp_exceptions();
+ erts_printf_block_fpe = erts_sys_block_fpe;
+ erts_printf_unblock_fpe = erts_sys_unblock_fpe;
+}
+
+#endif /* NO_FPE_SIGNALS */
+
+void erts_thread_init_float(void)
+{
+#ifdef ERTS_SMP
+ /* This allows Erlang schedulers to leave Erlang-process context
+ and still have working FP exceptions. XXX: is this needed? */
+ erts_thread_init_fp_exception();
+#endif
+
+#ifndef NO_FPE_SIGNALS
+ /* NOTE:
+ * erts_thread_disable_fpe() is called in all threads at
+ * creation. We at least need to call unmask_fpe()
+ */
+#if defined(__DARWIN__) || defined(__FreeBSD__)
+ /* Darwin (7.9.0) does not appear to propagate FP exception settings
+ to a new thread from its parent. So if we want FP exceptions, we
+ must manually re-enable them in each new thread.
+ FreeBSD 6.1 appears to suffer from a similar issue. */
+ erts_thread_catch_fp_exceptions();
+#else
+ unmask_fpe();
+#endif
+
+#endif
+}
+
+void erts_thread_disable_fpe(void)
+{
+#if !defined(NO_FPE_SIGNALS)
+ (void)mask_fpe();
+#endif
+}
+
+#if !defined(NO_FPE_SIGNALS)
+int erts_sys_block_fpe(void)
+{
+ return mask_fpe();
+}
+
+void erts_sys_unblock_fpe(int unmasked)
+{
+ unmask_fpe_conditional(unmasked);
+}
+#endif
+
+/* The following check is incorporated from the Vee machine */
+
+#define ISDIGIT(d) ((d) >= '0' && (d) <= '9')
+
+/*
+ ** Convert a double to ascii format 0.dddde[+|-]ddd
+ ** return number of characters converted or -1 if error.
+ **
+ ** These two functions should maybe use localeconv() to pick up
+ ** the current radix character, but since it is uncertain how
+ ** expensive such a system call is, and since no-one has heard
+ ** of other radix characters than '.' and ',' an ad-hoc
+ ** low execution time solution is used instead.
+ */
+
+int
+sys_double_to_chars_ext(double fp, char *buffer, size_t buffer_size, size_t decimals)
+{
+ char *s = buffer;
+
+ if (erts_snprintf(buffer, buffer_size, "%.*e", decimals, fp) >= buffer_size)
+ return -1;
+ /* Search upto decimal point */
+ if (*s == '+' || *s == '-') s++;
+ while (ISDIGIT(*s)) s++;
+ if (*s == ',') *s++ = '.'; /* Replace ',' with '.' */
+ /* Scan to end of string */
+ while (*s) s++;
+ return s-buffer; /* i.e strlen(buffer) */
+}
+
+/* Float conversion */
+
+int
+sys_chars_to_double(char* buf, double* fp)
+{
+#ifndef NO_FPE_SIGNALS
+ volatile unsigned long *fpexnp = erts_get_current_fp_exception();
+#endif
+ char *s = buf, *t, *dp;
+
+ /* Robert says that something like this is what he really wanted:
+ * (The [.,] radix test is NOT what Robert wanted - it was added later)
+ *
+ * 7 == sscanf(Tbuf, "%[+-]%[0-9][.,]%[0-9]%[eE]%[+-]%[0-9]%s", ....);
+ * if (*s2 == 0 || *s3 == 0 || *s4 == 0 || *s6 == 0 || *s7)
+ * break;
+ */
+
+ /* Scan string to check syntax. */
+ if (*s == '+' || *s == '-') s++;
+ if (!ISDIGIT(*s)) /* Leading digits. */
+ return -1;
+ while (ISDIGIT(*s)) s++;
+ if (*s != '.' && *s != ',') /* Decimal part. */
+ return -1;
+ dp = s++; /* Remember decimal point pos just in case */
+ if (!ISDIGIT(*s))
+ return -1;
+ while (ISDIGIT(*s)) s++;
+ if (*s == 'e' || *s == 'E') {
+ /* There is an exponent. */
+ s++;
+ if (*s == '+' || *s == '-') s++;
+ if (!ISDIGIT(*s))
+ return -1;
+ while (ISDIGIT(*s)) s++;
+ }
+ if (*s) /* That should be it */
+ return -1;
+
+#ifdef NO_FPE_SIGNALS
+ errno = 0;
+#endif
+ __ERTS_FP_CHECK_INIT(fpexnp);
+ *fp = strtod(buf, &t);
+ __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1);
+ if (t != s) { /* Whole string not scanned */
+ /* Try again with other radix char */
+ *dp = (*dp == '.') ? ',' : '.';
+ errno = 0;
+ __ERTS_FP_CHECK_INIT(fpexnp);
+ *fp = strtod(buf, &t);
+ __ERTS_FP_ERROR_THOROUGH(fpexnp, *fp, return -1);
+ }
+
+#ifdef NO_FPE_SIGNALS
+ if (errno == ERANGE) {
+ if (*fp == HUGE_VAL || *fp == -HUGE_VAL) {
+ /* overflow, should give error */
+ return -1;
+ } else if (t == s && *fp == 0.0) {
+ /* This should give 0.0 - OTP-7178 */
+ errno = 0;
+
+ } else if (*fp == 0.0) {
+ return -1;
+ }
+ }
+#endif
+ return 0;
+}
+
+int
+matherr(struct exception *exc)
+{
+#if !defined(NO_FPE_SIGNALS)
+ volatile unsigned long *fpexnp = erts_get_current_fp_exception();
+ if (fpexnp != NULL)
+ *fpexnp = (unsigned long)__builtin_return_address(0);
+#endif
+ return 1;
+}
diff --git a/erts/emulator/sys/ose/sys_time.c b/erts/emulator/sys/ose/sys_time.c
new file mode 100644
index 0000000000..7e96f68424
--- /dev/null
+++ b/erts/emulator/sys/ose/sys_time.c
@@ -0,0 +1,56 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2005-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sys.h"
+#include "global.h"
+
+/******************* Routines for time measurement *********************/
+
+int erts_ticks_per_sec = 0; /* Will be SYS_CLK_TCK in erl_unix_sys.h */
+
+int sys_init_time(void)
+{
+ return SYS_CLOCK_RESOLUTION;
+}
+
+clock_t sys_times(SysTimes *now) {
+ now->tms_utime = now->tms_stime = now->tms_cutime = now->tms_cstime = 0;
+ return 0;
+}
+
+static OSTICK last_tick_count = 0;
+static SysHrTime wrap = 0;
+static OSTICK us_per_tick;
+
+void sys_init_hrtime() {
+ us_per_tick = system_tick();
+}
+
+SysHrTime sys_gethrtime() {
+ OSTICK ticks = get_ticks();
+ if (ticks < (SysHrTime) last_tick_count) {
+ wrap += 1ULL << 32;
+ }
+ last_tick_count = ticks;
+ return ((((SysHrTime) ticks) + wrap) * 1000*us_per_tick);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 00:26:56 +0000