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-rw-r--r--erts/emulator/beam/atom.names1
-rwxr-xr-x[-rw-r--r--]erts/emulator/beam/erl_bif_info.c96
-rw-r--r--erts/emulator/beam/erl_lock_count.c29
-rw-r--r--erts/emulator/beam/erl_lock_count.h3
-rw-r--r--erts/emulator/beam/erl_process.h39
-rw-r--r--erts/emulator/beam/erl_process_lock.c28
-rw-r--r--erts/emulator/beam/erl_process_lock.h2
-rwxr-xr-x[-rw-r--r--]erts/emulator/beam/global.h5
-rw-r--r--erts/emulator/beam/io.c42
-rw-r--r--erts/emulator/sys/unix/sys.c2
-rwxr-xr-xerts/emulator/sys/win32/sys.c17
-rw-r--r--erts/emulator/test/port_bif_SUITE.erl391
12 files changed, 418 insertions, 237 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 02735d4b68..78c566ed38 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -391,6 +391,7 @@ atom opt
atom or
atom ordered_set
atom orelse
+atom os_pid
atom os_type
atom os_version
atom ose_bg_proc
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index f889ccdb93..2373dc7af4 100644..100755
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2765,7 +2765,8 @@ port_info_1(BIF_ALIST_1)
am_id,
am_connected,
am_input,
- am_output
+ am_output,
+ am_os_pid
};
Eterm items[ASIZE(keys)];
Eterm result = NIL;
@@ -2822,6 +2823,7 @@ port_info_1(BIF_ALIST_1)
** name String
** input Number of bytes input from port program
** output Number of bytes output to the port program
+** os_pid The child's process ID
*/
BIF_RETTYPE port_info_2(BIF_ALIST_2)
@@ -2922,6 +2924,18 @@ static BIF_RETTYPE port_info(Process* p, Eterm portid, Eterm item)
hp = HAlloc(p, hsz);
res = erts_bld_uint(&hp, NULL, n);
}
+ else if (item == am_os_pid) {
+ if (prt->os_pid >= 0) {
+ Uint hsz = 3;
+ UWord n = prt->os_pid;
+ (void) erts_bld_uword(NULL, &hsz, n);
+ hp = HAlloc(p, hsz);
+ res = erts_bld_uword(&hp, NULL, n);
+ } else {
+ hp = HAlloc(p, 3);
+ res = am_undefined;
+ }
+ }
else if (item == am_registered_name) {
RegProc *reg;
reg = prt->reg;
@@ -4110,48 +4124,52 @@ BIF_RETTYPE erts_debug_lock_counters_1(BIF_ALIST_1)
Eterm* tp = tuple_val(BIF_ARG_1);
switch (arityval(tp[0])) {
- case 2:
+ case 2: {
+ int opt = 0;
+ int val = 0;
if (ERTS_IS_ATOM_STR("copy_save", tp[1])) {
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_block();
- if (tp[2] == am_true) {
-
- res = erts_lcnt_set_rt_opt(ERTS_LCNT_OPT_COPYSAVE) ? am_true : am_false;
-
- } else if (tp[2] == am_false) {
-
- res = erts_lcnt_clear_rt_opt(ERTS_LCNT_OPT_COPYSAVE) ? am_true : am_false;
-
- } else {
- erts_smp_thr_progress_unblock();
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
- BIF_ERROR(BIF_P, BADARG);
- }
- erts_smp_thr_progress_unblock();
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
- BIF_RET(res);
-
+ opt = ERTS_LCNT_OPT_COPYSAVE;
} else if (ERTS_IS_ATOM_STR("process_locks", tp[1])) {
- erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
- erts_smp_thr_progress_block();
- if (tp[2] == am_true) {
-
- res = erts_lcnt_set_rt_opt(ERTS_LCNT_OPT_PROCLOCK) ? am_true : am_false;
-
- } else if (tp[2] == am_false) {
-
- res = erts_lcnt_set_rt_opt(ERTS_LCNT_OPT_PROCLOCK) ? am_true : am_false;
+ opt = ERTS_LCNT_OPT_PROCLOCK;
+ } else if (ERTS_IS_ATOM_STR("port_locks", tp[1])) {
+ opt = ERTS_LCNT_OPT_PORTLOCK;
+ } else if (ERTS_IS_ATOM_STR("suspend", tp[1])) {
+ opt = ERTS_LCNT_OPT_SUSPEND;
+ } else if (ERTS_IS_ATOM_STR("location", tp[1])) {
+ opt = ERTS_LCNT_OPT_LOCATION;
+ } else {
+ BIF_ERROR(BIF_P, BADARG);
+ }
+ if (tp[2] == am_true) {
+ val = 1;
+ } else if (tp[2] == am_false) {
+ val = 0;
+ } else {
+ BIF_ERROR(BIF_P, BADARG);
+ }
- } else {
- erts_smp_thr_progress_unblock();
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
- BIF_ERROR(BIF_P, BADARG);
+ erts_smp_proc_unlock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ erts_smp_thr_progress_block();
+
+ if (val) {
+ res = erts_lcnt_set_rt_opt(opt) ? am_true : am_false;
+ } else {
+ res = erts_lcnt_clear_rt_opt(opt) ? am_true : am_false;
+ }
+#ifdef ERTS_SMP
+ if (res != tp[2]) {
+ if (opt == ERTS_LCNT_OPT_PORTLOCK) {
+ erts_lcnt_enable_io_lock_count(val);
+ } else if (opt == ERTS_LCNT_OPT_PROCLOCK) {
+ erts_lcnt_enable_proc_lock_count(val);
}
- erts_smp_thr_progress_unblock();
- erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
- BIF_RET(res);
- }
- break;
+ }
+#endif
+ erts_smp_thr_progress_unblock();
+ erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
+ BIF_RET(res);
+ break;
+ }
default:
break;
diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c
index a36c53560e..741c0cb08e 100644
--- a/erts/emulator/beam/erl_lock_count.c
+++ b/erts/emulator/beam/erl_lock_count.c
@@ -49,7 +49,7 @@ const char *str_undefined = "undefined";
static ethr_tsd_key lcnt_thr_data_key;
static int lcnt_n_thr;
-static erts_lcnt_thread_data_t *lcnt_thread_data[1024];
+static erts_lcnt_thread_data_t *lcnt_thread_data[4096];
/* local functions */
@@ -240,7 +240,7 @@ void erts_lcnt_init() {
lcnt_lock();
- erts_lcnt_rt_options = ERTS_LCNT_OPT_PROCLOCK;
+ erts_lcnt_rt_options = ERTS_LCNT_OPT_PROCLOCK | ERTS_LCNT_OPT_LOCATION;
eltd = lcnt_thread_data_alloc();
@@ -312,7 +312,7 @@ void erts_lcnt_list_insert(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock)
}
void erts_lcnt_list_delete(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock) {
-
+
if (lock->next) lock->next->prev = lock->prev;
if (lock->prev) lock->prev->next = lock->next;
if (list->head == lock) list->head = lock->next;
@@ -334,6 +334,10 @@ void erts_lcnt_init_lock(erts_lcnt_lock_t *lock, char *name, Uint16 flag ) {
}
void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eterm id) {
int i;
+ if (!name) {
+ lock->flag = 0;
+ return;
+ }
lcnt_lock();
lock->next = NULL;
@@ -363,6 +367,8 @@ void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eter
void erts_lcnt_destroy_lock(erts_lcnt_lock_t *lock) {
erts_lcnt_lock_t *deleted_lock;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
+
lcnt_lock();
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_COPYSAVE) {
@@ -378,6 +384,7 @@ void erts_lcnt_destroy_lock(erts_lcnt_lock_t *lock) {
}
/* delete original */
erts_lcnt_list_delete(erts_lcnt_data->current_locks, lock);
+ lock->flag = 0;
lcnt_unlock();
}
@@ -389,6 +396,7 @@ void erts_lcnt_lock_opt(erts_lcnt_lock_t *lock, Uint16 option) {
erts_lcnt_thread_data_t *eltd;
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
eltd = lcnt_get_thread_data();
@@ -422,6 +430,7 @@ void erts_lcnt_lock(erts_lcnt_lock_t *lock) {
erts_lcnt_thread_data_t *eltd;
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
w_state = ethr_atomic_read(&lock->w_state);
ethr_atomic_inc( &lock->w_state);
@@ -452,6 +461,7 @@ void erts_lcnt_lock_unaquire(erts_lcnt_lock_t *lock) {
/* should check if this thread was "waiting" */
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
ethr_atomic_dec( &lock->w_state);
}
@@ -475,6 +485,7 @@ void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line
#endif
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
#ifdef DEBUG
if (!(lock->flag & (ERTS_LCNT_LT_RWMUTEX | ERTS_LCNT_LT_RWSPINLOCK))) {
@@ -489,9 +500,13 @@ void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line
ASSERT(eltd);
/* if lock was in conflict, time it */
-
- stats = lcnt_get_lock_stats(lock, file, line);
+ if (erts_lcnt_rt_options & ERTS_LCNT_OPT_LOCATION) {
+ stats = lcnt_get_lock_stats(lock, file, line);
+ } else {
+ stats = &lock->stats[0];
+ }
+
if (eltd->timer_set) {
lcnt_time(&timer);
@@ -510,6 +525,7 @@ void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line
void erts_lcnt_unlock_opt(erts_lcnt_lock_t *lock, Uint16 option) {
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
if (option & ERTS_LCNT_LO_WRITE) ethr_atomic_dec(&lock->w_state);
if (option & ERTS_LCNT_LO_READ ) ethr_atomic_dec(&lock->r_state);
}
@@ -520,6 +536,7 @@ void erts_lcnt_unlock(erts_lcnt_lock_t *lock) {
erts_aint_t flowstate;
#endif
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
#ifdef DEBUG
/* flowstate */
flowstate = ethr_atomic_read(&lock->flowstate);
@@ -537,6 +554,7 @@ void erts_lcnt_unlock(erts_lcnt_lock_t *lock) {
void erts_lcnt_trylock_opt(erts_lcnt_lock_t *lock, int res, Uint16 option) {
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
/* Determine lock_state via res instead of state */
if (res != EBUSY) {
if (option & ERTS_LCNT_LO_WRITE) ethr_atomic_inc(&lock->w_state);
@@ -555,6 +573,7 @@ void erts_lcnt_trylock(erts_lcnt_lock_t *lock, int res) {
erts_aint_t flowstate;
#endif
if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
+ if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
if (res != EBUSY) {
#ifdef DEBUG
diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h
index 6306580ae4..690551c71f 100644
--- a/erts/emulator/beam/erl_lock_count.h
+++ b/erts/emulator/beam/erl_lock_count.h
@@ -89,6 +89,7 @@
#define ERTS_LCNT_OPT_LOCATION (((Uint16) 1) << 1)
#define ERTS_LCNT_OPT_PROCLOCK (((Uint16) 1) << 2)
#define ERTS_LCNT_OPT_COPYSAVE (((Uint16) 1) << 3)
+#define ERTS_LCNT_OPT_PORTLOCK (((Uint16) 1) << 4)
typedef struct {
unsigned long s;
@@ -201,5 +202,7 @@ void erts_lcnt_clear_counters(void);
char *erts_lcnt_lock_type(Uint16 type);
erts_lcnt_data_t *erts_lcnt_get_data(void);
+#define ERTS_LCNT_LOCK_TYPE(lockp) ((lockp)->flag & ERTS_LCNT_LT_ALL)
+
#endif /* ifdef ERTS_ENABLE_LOCK_COUNT */
#endif /* ifndef ERTS_LOCK_COUNT_H__ */
diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 2683b8540d..28aaedf2e2 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -1402,10 +1402,14 @@ ERTS_GLB_INLINE Eterm erts_get_current_pid(void);
ERTS_GLB_INLINE Uint erts_get_scheduler_id(void);
ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_proc(Process *p);
ERTS_GLB_INLINE ErtsRunQueue *erts_get_runq_current(ErtsSchedulerData *esdp);
+#ifndef ERTS_ENABLE_LOCK_COUNT
ERTS_GLB_INLINE void erts_smp_runq_lock(ErtsRunQueue *rq);
+#endif
ERTS_GLB_INLINE int erts_smp_runq_trylock(ErtsRunQueue *rq);
ERTS_GLB_INLINE void erts_smp_runq_unlock(ErtsRunQueue *rq);
+#ifndef ERTS_ENABLE_LOCK_COUNT
ERTS_GLB_INLINE void erts_smp_xrunq_lock(ErtsRunQueue *rq, ErtsRunQueue *xrq);
+#endif
ERTS_GLB_INLINE void erts_smp_xrunq_unlock(ErtsRunQueue *rq, ErtsRunQueue *xrq);
ERTS_GLB_INLINE void erts_smp_runqs_lock(ErtsRunQueue *rq1, ErtsRunQueue *rq2);
ERTS_GLB_INLINE void erts_smp_runqs_unlock(ErtsRunQueue *rq1, ErtsRunQueue *rq2);
@@ -1494,6 +1498,12 @@ erts_get_runq_current(ErtsSchedulerData *esdp)
#endif
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+
+#define erts_smp_runq_lock(rq) erts_smp_mtx_lock_x(&(rq)->mtx, __FILE__, __LINE__)
+
+#else
+
ERTS_GLB_INLINE void
erts_smp_runq_lock(ErtsRunQueue *rq)
{
@@ -1502,6 +1512,8 @@ erts_smp_runq_lock(ErtsRunQueue *rq)
#endif
}
+#endif
+
ERTS_GLB_INLINE int
erts_smp_runq_trylock(ErtsRunQueue *rq)
{
@@ -1520,6 +1532,31 @@ erts_smp_runq_unlock(ErtsRunQueue *rq)
#endif
}
+#ifdef ERTS_ENABLE_LOCK_COUNT
+
+#define erts_smp_xrunq_lock(rq, xrq) erts_smp_xrunq_lock_x((rq), (xrq), __FILE__, __LINE__)
+
+ERTS_GLB_INLINE void
+erts_smp_xrunq_lock_x(ErtsRunQueue *rq, ErtsRunQueue *xrq, char* file, int line)
+{
+#ifdef ERTS_SMP
+ ERTS_SMP_LC_ASSERT(erts_smp_lc_mtx_is_locked(&rq->mtx));
+ if (xrq != rq) {
+ if (erts_smp_mtx_trylock(&xrq->mtx) == EBUSY) {
+ if (rq < xrq)
+ erts_smp_mtx_lock_x(&xrq->mtx, file, line);
+ else {
+ erts_smp_mtx_unlock(&rq->mtx);
+ erts_smp_mtx_lock_x(&xrq->mtx, file, line);
+ erts_smp_mtx_lock_x(&rq->mtx, file, line);
+ }
+ }
+ }
+#endif
+}
+
+#else
+
ERTS_GLB_INLINE void
erts_smp_xrunq_lock(ErtsRunQueue *rq, ErtsRunQueue *xrq)
{
@@ -1539,6 +1576,8 @@ erts_smp_xrunq_lock(ErtsRunQueue *rq, ErtsRunQueue *xrq)
#endif
}
+#endif
+
ERTS_GLB_INLINE void
erts_smp_xrunq_unlock(ErtsRunQueue *rq, ErtsRunQueue *xrq)
{
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c
index a5a753b798..b3b4601a31 100644
--- a/erts/emulator/beam/erl_process_lock.c
+++ b/erts/emulator/beam/erl_process_lock.c
@@ -1002,7 +1002,7 @@ erts_proc_lock_init(Process *p)
#ifdef ERTS_ENABLE_LOCK_COUNT
void erts_lcnt_proc_lock_init(Process *p) {
-
+ if (erts_lcnt_rt_options & ERTS_LCNT_OPT_PROCLOCK) {
if (p->id != ERTS_INVALID_PID) {
erts_lcnt_init_lock_x(&(p->lock.lcnt_main), "proc_main", ERTS_LCNT_LT_PROCLOCK, p->id);
erts_lcnt_init_lock_x(&(p->lock.lcnt_msgq), "proc_msgq", ERTS_LCNT_LT_PROCLOCK, p->id);
@@ -1014,6 +1014,12 @@ void erts_lcnt_proc_lock_init(Process *p) {
erts_lcnt_init_lock(&(p->lock.lcnt_link), "proc_link", ERTS_LCNT_LT_PROCLOCK);
erts_lcnt_init_lock(&(p->lock.lcnt_status), "proc_status", ERTS_LCNT_LT_PROCLOCK);
}
+ } else {
+ sys_memzero(&(p->lock.lcnt_main), sizeof(p->lock.lcnt_main));
+ sys_memzero(&(p->lock.lcnt_msgq), sizeof(p->lock.lcnt_msgq));
+ sys_memzero(&(p->lock.lcnt_link), sizeof(p->lock.lcnt_link));
+ sys_memzero(&(p->lock.lcnt_status), sizeof(p->lock.lcnt_status));
+ }
}
@@ -1108,6 +1114,26 @@ void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res
}
}
+
+void erts_lcnt_enable_proc_lock_count(int enable) {
+ int i;
+
+ for (i = 0; i < erts_max_processes; ++i) {
+ Process* p = process_tab[i];
+ if (p) {
+ if (enable) {
+ if (!ERTS_LCNT_LOCK_TYPE(&(p->lock.lcnt_main))) {
+ erts_lcnt_proc_lock_init(p);
+ }
+ } else {
+ if (ERTS_LCNT_LOCK_TYPE(&(p->lock.lcnt_main))) {
+ erts_lcnt_proc_lock_destroy(p);
+ }
+ }
+ }
+ }
+}
+
#endif /* ifdef ERTS_ENABLE_LOCK_COUNT */
diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h
index 8dbdaccc68..413c45480c 100644
--- a/erts/emulator/beam/erl_process_lock.h
+++ b/erts/emulator/beam/erl_process_lock.h
@@ -215,6 +215,8 @@ void erts_lcnt_proc_lock_unaquire(erts_proc_lock_t *lock, ErtsProcLocks locks);
void erts_lcnt_proc_unlock(erts_proc_lock_t *lock, ErtsProcLocks locks);
void erts_lcnt_proc_trylock(erts_proc_lock_t *lock, ErtsProcLocks locks, int res);
+void erts_lcnt_enable_proc_lock_count(int enable);
+
#endif /* ERTS_ENABLE_LOCK_COUNT*/
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index b000e2c5d4..894872dbc0 100644..100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -173,6 +173,7 @@ struct port {
char *name; /* String used in the open */
erts_driver_t* drv_ptr;
UWord drv_data;
+ SWord os_pid; /* Child process ID */
ErtsProcList *suspended; /* List of suspended processes. */
LineBuf *linebuf; /* Buffer to hold data not ready for
process to get (line oriented I/O)*/
@@ -1187,6 +1188,10 @@ void erts_fire_port_monitor(Port *prt, Eterm ref);
void erts_smp_xports_unlock(Port *);
#endif
+#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_COUNT)
+void erts_lcnt_enable_io_lock_count(int enable);
+#endif
+
#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)
int erts_lc_is_port_locked(Port *);
#endif
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 8a2a43bebd..eb8db73bae 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -440,6 +440,7 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver,
sys_strcpy(new_name, name);
erts_smp_runq_lock(runq);
erts_smp_port_state_lock(prt);
+ prt->os_pid = -1;
prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus;
prt->snapshot = erts_smp_atomic32_read_nob(&erts_ports_snapshot);
old_name = prt->name;
@@ -625,7 +626,11 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */
port->lock = erts_alloc(ERTS_ALC_T_PORT_LOCK,
sizeof(erts_smp_mtx_t));
erts_smp_mtx_init_x(port->lock,
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) ? "port_lock" : NULL,
+#else
"port_lock",
+#endif
port->id);
xstatus |= ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK;
}
@@ -783,7 +788,13 @@ driver_create_port(ErlDrvPort creator_port_ix, /* Creating port */
creator_port->xports = xplp;
port->lock = erts_alloc(ERTS_ALC_T_PORT_LOCK,
sizeof(erts_smp_mtx_t));
- erts_smp_mtx_init_locked_x(port->lock, "port_lock", port_id);
+ erts_smp_mtx_init_locked_x(port->lock,
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) ? "port_lock" : NULL,
+#else
+ "port_lock",
+#endif
+ port_id);
xstatus |= ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK;
}
@@ -1347,7 +1358,13 @@ void init_io(void)
erts_smp_atomic_init_nob(&erts_port[i].refc, 0);
erts_port[i].lock = NULL;
erts_port[i].xports = NULL;
- erts_smp_spinlock_init_x(&erts_port[i].state_lck, "port_state", make_small(i));
+ erts_smp_spinlock_init_x(&erts_port[i].state_lck,
+#ifdef ERTS_ENABLE_LOCK_COUNT
+ (erts_lcnt_rt_options & ERTS_LCNT_OPT_PORTLOCK) ? "port_state" : NULL,
+#else
+ "port_state",
+#endif
+ make_small(0));
#endif
erts_port[i].tracer_proc = NIL;
erts_port[i].trace_flags = 0;
@@ -1380,6 +1397,27 @@ void init_io(void)
erts_smp_mtx_unlock(&erts_driver_list_lock);
}
+#if defined(ERTS_ENABLE_LOCK_COUNT) && defined(ERTS_SMP)
+void erts_lcnt_enable_io_lock_count(int enable) {
+ int i;
+
+ for (i = 0; i < erts_max_ports; i++) {
+ Port* p = &erts_port[i];
+ if (enable) {
+ erts_lcnt_init_lock_x(&p->state_lck.lcnt, "port_state", ERTS_LCNT_LT_SPINLOCK, make_small(i));
+ if (p->lock) {
+ erts_lcnt_init_lock_x(&p->lock->lcnt, "port_lock", ERTS_LCNT_LT_MUTEX, make_small(i));
+ }
+ } else {
+ erts_lcnt_destroy_lock(&p->state_lck.lcnt);
+ if (p->lock) {
+ erts_lcnt_destroy_lock(&p->lock->lcnt);
+ }
+ }
+ }
+}
+#endif
+
/*
* Buffering of data when using line oriented I/O on ports
*/
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index f94e0f2296..bf69f3bf90 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -1163,6 +1163,8 @@ static int set_driver_data(int port_num,
report_exit_list = report_exit;
}
+ erts_port[port_num].os_pid = pid;
+
if (read_write & DO_READ) {
driver_data[ifd].packet_bytes = packet_bytes;
driver_data[ifd].port_num = port_num;
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index b106f0932d..acbbfc2ce9 100755
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -68,9 +68,9 @@ static int async_write_file(struct async_io* aio, LPVOID buf, DWORD numToWrite);
static int get_overlapped_result(struct async_io* aio,
LPDWORD pBytesRead, BOOL wait);
static BOOL create_child_process(char *, HANDLE, HANDLE,
- HANDLE, LPHANDLE, BOOL,
- LPVOID, LPTSTR, unsigned,
- char **, int *);
+ HANDLE, LPHANDLE, LPDWORD, BOOL,
+ LPVOID, LPTSTR, unsigned,
+ char **, int *);
static int create_pipe(LPHANDLE, LPHANDLE, BOOL, BOOL);
static int application_type(const char* originalName, char fullPath[MAX_PATH],
BOOL search_in_path, BOOL handle_quotes,
@@ -1136,6 +1136,7 @@ spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
HANDLE hChildStdin = INVALID_HANDLE_VALUE; /* Child's stdin. */
HANDLE hChildStdout = INVALID_HANDLE_VALUE; /* Child's stout. */
HANDLE hChildStderr = INVALID_HANDLE_VALUE; /* Child's sterr. */
+ DWORD pid;
int close_child_stderr = 0;
DriverData* dp; /* Pointer to driver data. */
ErlDrvData retval = ERL_DRV_ERROR_GENERAL; /* Return value. */
@@ -1211,6 +1212,7 @@ spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
hChildStdout,
hChildStderr,
&dp->port_pid,
+ &pid,
opts->hide_window,
(LPVOID) envir,
(LPTSTR) opts->wd,
@@ -1254,6 +1256,9 @@ spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts)
#endif
retval = set_driver_data(dp, hFromChild, hToChild, opts->read_write,
opts->exit_status);
+ if (retval != ERL_DRV_ERROR_GENERAL && retval != ERL_DRV_ERROR_ERRNO)
+ /* We assume that this cannot generate a negative number */
+ erts_port[port_num].os_pid = (SWord) pid;
}
if (retval != ERL_DRV_ERROR_GENERAL && retval != ERL_DRV_ERROR_ERRNO)
@@ -1397,7 +1402,8 @@ create_child_process
HANDLE hStdin, /* The standard input handle for child. */
HANDLE hStdout, /* The standard output handle for child. */
HANDLE hStderr, /* The standard error handle for child. */
- LPHANDLE phPid, /* Pointer to variable to received PID. */
+ LPHANDLE phPid, /* Pointer to variable to received Process handle. */
+ LPDWORD pdwID, /* Pointer to variable to received Process ID */
BOOL hide, /* Hide the window unconditionally. */
LPVOID env, /* Environment for the child */
LPTSTR wd, /* Working dir for the child */
@@ -1629,7 +1635,8 @@ create_child_process
}
CloseHandle(piProcInfo.hThread); /* Necessary to avoid resource leak. */
*phPid = piProcInfo.hProcess;
-
+ *pdwID = piProcInfo.dwProcessId;
+
if (applType == APPL_DOS) {
WaitForSingleObject(hProcess, 50);
}
diff --git a/erts/emulator/test/port_bif_SUITE.erl b/erts/emulator/test/port_bif_SUITE.erl
index d9c82aba0e..8feea87d7e 100644
--- a/erts/emulator/test/port_bif_SUITE.erl
+++ b/erts/emulator/test/port_bif_SUITE.erl
@@ -24,6 +24,7 @@
init_per_group/2,end_per_group/2, command/1,
command_e_1/1, command_e_2/1, command_e_3/1, command_e_4/1,
port_info1/1, port_info2/1,
+ port_info_os_pid/1,
connect/1, control/1, echo_to_busy/1]).
-export([do_command_e_1/1, do_command_e_2/1, do_command_e_4/1]).
@@ -41,7 +42,7 @@ all() ->
groups() ->
[{command_e, [],
[command_e_1, command_e_2, command_e_3, command_e_4]},
- {port_info, [], [port_info1, port_info2]}].
+ {port_info, [], [port_info1, port_info2, port_info_os_pid]}].
init_per_suite(Config) ->
Config.
@@ -65,15 +66,15 @@ end_per_testcase(_Func, Config) when is_list(Config) ->
test_server:timetrap_cancel(Dog).
command(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
-
- ?line P = open_port({spawn, control_drv}, []),
- ?line do_command(P, "hello"),
- ?line do_command(P, <<"hello">>),
- ?line do_command(P, sub_bin(<<"1234kalle">>)),
- ?line do_command(P, unaligned_sub_bin(<<"blurf">>)),
- ?line do_command(P, ["bl"|unaligned_sub_bin(<<"urf">>)]),
- ?line true = erlang:port_close(P),
+ load_control_drv(Config),
+
+ P = open_port({spawn, control_drv}, []),
+ do_command(P, "hello"),
+ do_command(P, <<"hello">>),
+ do_command(P, sub_bin(<<"1234kalle">>)),
+ do_command(P, unaligned_sub_bin(<<"blurf">>)),
+ do_command(P, ["bl"|unaligned_sub_bin(<<"urf">>)]),
+ true = erlang:port_close(P),
ok.
do_command(P, Data) ->
@@ -94,139 +95,163 @@ do_command(P, Data) ->
%% port_command/2: badarg 1st arg
command_e_1(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_1, [Program]),
- ?line receive
- {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_1, [Program]),
+ receive
+ {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_1(Program) ->
- ?line _ = open_port({spawn, Program}, []),
- ?line erlang:port_command(apple, "plock"),
+ _ = open_port({spawn, Program}, []),
+ erlang:port_command(apple, "plock"),
exit(survived).
%% port_command/2: badarg 2nd arg
command_e_2(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_2, [Program]),
- ?line receive
- {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_2, [Program]),
+ receive
+ {'EXIT', Pid, {badarg, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_2(Program) ->
- ?line P = open_port({spawn, Program}, []),
- ?line erlang:port_command(P, 1),
+ P = open_port({spawn, Program}, []),
+ erlang:port_command(P, 1),
exit(survived).
%% port_command/2: Posix signals trapped
command_e_3(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line P = open_port({spawn, Program}, [{packet, 1}]),
- ?line Data = lists:duplicate(257, $a),
- ?line erlang:port_command(P, Data),
- ?line receive
- {'EXIT', Port, einval} when is_port(Port) ->
- ok;
- Other ->
- test_server:fail(Other)
- after 10000 ->
- test_server:fail(timeout)
- end,
+ P = open_port({spawn, Program}, [{packet, 1}]),
+ Data = lists:duplicate(257, $a),
+ erlang:port_command(P, Data),
+ receive
+ {'EXIT', Port, einval} when is_port(Port) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
%% port_command/2: Posix exit signals not trapped
command_e_4(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line Program = filename:join(DataDir, "port_test"),
+ DataDir = ?config(data_dir, Config),
+ Program = filename:join(DataDir, "port_test"),
process_flag(trap_exit, true),
- ?line _ = spawn_link(?MODULE, do_command_e_4, [Program]),
- ?line receive
- {'EXIT', Pid, {einval, _}} when is_pid(Pid) ->
- ok;
- Other ->
- ?line test_server:fail(Other)
- after 10000 ->
- ?line test_server:fail(timeout)
- end,
+ _ = spawn_link(?MODULE, do_command_e_4, [Program]),
+ receive
+ {'EXIT', Pid, {einval, _}} when is_pid(Pid) ->
+ ok;
+ Other ->
+ test_server:fail(Other)
+ after 10000 ->
+ test_server:fail(timeout)
+ end,
ok.
do_command_e_4(Program) ->
- ?line P = open_port({spawn, Program}, [{packet, 1}]),
- ?line Data = lists:duplicate(257, $a),
- ?line erlang:port_command(P, Data),
+ P = open_port({spawn, Program}, [{packet, 1}]),
+ Data = lists:duplicate(257, $a),
+ erlang:port_command(P, Data),
exit(survived).
%% Tests the port_info/1 BIF
port_info1(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
Me=self(),
- ?line P = open_port({spawn, control_drv}, []),
- ?line A1 = erlang:port_info(P),
- ?line false = lists:keysearch(registered_name, 1, A1),
- ?line register(myport, P),
- ?line A = erlang:port_info(P),
- ?line {value,{registered_name,myport}}=
- lists:keysearch(registered_name, 1, A),
- ?line {value,{name,"control_drv"}}=lists:keysearch(name, 1, A),
- ?line {value,{links,[Me]}}=lists:keysearch(links, 1, A),
- ?line {value,{id,_IdNum}}=lists:keysearch(id, 1, A),
- ?line {value,{connected,_}}=lists:keysearch(connected, 1, A),
- ?line {value,{input,0}}=lists:keysearch(input, 1, A),
- ?line {value,{output,0}}=lists:keysearch(output, 1, A),
- ?line true=erlang:port_close(P),
+ P = open_port({spawn, control_drv}, []),
+ A1 = erlang:port_info(P),
+ false = lists:keysearch(registered_name, 1, A1),
+ register(myport, P),
+ A = erlang:port_info(P),
+ {value,{registered_name,myport}}= lists:keysearch(registered_name, 1, A),
+ {value,{name,"control_drv"}}=lists:keysearch(name, 1, A),
+ {value,{links,[Me]}}=lists:keysearch(links, 1, A),
+ {value,{id,_IdNum}}=lists:keysearch(id, 1, A),
+ {value,{connected,_}}=lists:keysearch(connected, 1, A),
+ {value,{input,0}}=lists:keysearch(input, 1, A),
+ {value,{output,0}}=lists:keysearch(output, 1, A),
+ {value,{os_pid,undefined}}=lists:keysearch(os_pid, 1, A), % linked-in driver doesn't have a OS pid
+ true=erlang:port_close(P),
ok.
%% Tests erlang:port_info/2"
port_info2(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
- ?line P = open_port({spawn,control_drv}, [binary]),
- ?line [] = erlang:port_info(P, registered_name),
- ?line register(myport, P),
- ?line {registered_name, myport} = erlang:port_info(P, registered_name),
+ P = open_port({spawn,control_drv}, [binary]),
+ [] = erlang:port_info(P, registered_name),
+ register(myport, P),
+ {registered_name, myport} = erlang:port_info(P, registered_name),
- ?line {name, "control_drv"}=erlang:port_info(P, name),
- ?line {id, _IdNum} = erlang:port_info(P, id),
+ {name, "control_drv"}=erlang:port_info(P, name),
+ {id, _IdNum} = erlang:port_info(P, id),
Me=self(),
- ?line {links, [Me]} = erlang:port_info(P, links),
- ?line {connected, Me} = erlang:port_info(P, connected),
- ?line {input, 0}=erlang:port_info(P, input),
- ?line {output,0}=erlang:port_info(P, output),
-
- ?line erlang:port_control(P, $i, "abc"),
- ?line receive
- {P,{data,<<"abc">>}} -> ok
- end,
- ?line {input,3} = erlang:port_info(P, input),
- ?line {output,0} = erlang:port_info(P, output),
-
- ?line Bin = list_to_binary(lists:duplicate(2047, 42)),
- ?line output_test(P, Bin, 3, 0),
+ {links, [Me]} = erlang:port_info(P, links),
+ {connected, Me} = erlang:port_info(P, connected),
+ {input, 0}=erlang:port_info(P, input),
+ {output,0}=erlang:port_info(P, output),
+ {os_pid, undefined}=erlang:port_info(P, os_pid), % linked-in driver doesn't have a OS pid
+
+ erlang:port_control(P, $i, "abc"),
+ receive
+ {P,{data,<<"abc">>}} -> ok
+ end,
+ {input,3} = erlang:port_info(P, input),
+ {output,0} = erlang:port_info(P, output),
+
+ Bin = list_to_binary(lists:duplicate(2047, 42)),
+ output_test(P, Bin, 3, 0),
- ?line true = erlang:port_close(P),
+ true = erlang:port_close(P),
+ ok.
+
+%% Tests the port_info/1,2 os_pid option BIF
+port_info_os_pid(Config) when is_list(Config) ->
+ case os:type() of
+ {unix,_} ->
+ do_port_info_os_pid();
+ _ ->
+ {skip,"Only on Unix."}
+ end.
+
+do_port_info_os_pid() ->
+ P = open_port({spawn, "echo $$"}, [eof]),
+ A = erlang:port_info(P),
+ {os_pid, InfoOSPid} = erlang:port_info(P, os_pid),
+ EchoPidStr = receive
+ {P, {data, EchoPidStr0}} -> EchoPidStr0
+ after 10000 -> test_server:fail(timeout)
+ end,
+ {ok, [EchoPid], []} = io_lib:fread("~u\n", EchoPidStr),
+ {value,{os_pid, InfoOSPid}}=lists:keysearch(os_pid, 1, A),
+ EchoPid = InfoOSPid,
+ true = erlang:port_close(P),
ok.
output_test(_, _, Input, Output) when Output > 16#1fffffff ->
@@ -237,7 +262,7 @@ output_test(P, Bin, Input0, Output0) ->
{P,{data,Bin}} -> ok;
Other ->
io:format("~p", [Other]),
- ?line ?t:fail()
+ ?t:fail()
end,
Input = Input0 + size(Bin),
Output = Output0 + size(Bin),
@@ -254,109 +279,106 @@ output_test(P, Bin, Input0, Output0) ->
%% Tests the port_connect/2 BIF.
connect(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
+ load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
+ P = open_port({spawn, control_drv}, []),
register(myport, P),
- ?line true = erlang:port_connect(myport, self()),
+ true = erlang:port_connect(myport, self()),
%% Connect the port to another process.
Data = "hello, world",
Parent = self(),
- ?line Rec =
- fun(Me) -> receive
- {P,{data,Data}} ->
- Parent ! connect_ok,
- Me(Me)
- end
- end,
- ?line RecPid = spawn_link(fun() -> Rec(Rec) end),
- ?line true = erlang:port_connect(P, RecPid),
- ?line unlink(P),
+ Rec = fun(Me) ->
+ receive
+ {P,{data,Data}} ->
+ Parent ! connect_ok,
+ Me(Me)
+ end
+ end,
+ RecPid = spawn_link(fun() -> Rec(Rec) end),
+ true = erlang:port_connect(P, RecPid),
+ unlink(P),
%% Send a command to the port and make sure that the
%% other process receives the echo.
- ?line erlang:port_command(P, Data),
- ?line receive
- connect_ok -> ok
- end,
+ erlang:port_command(P, Data),
+ receive
+ connect_ok -> ok
+ end,
%% Tests some errors.
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), self())),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), P)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, P)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, xxxx)),
- ?line {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, [])),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), self())),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(self(), P)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, P)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, xxxx)),
+ {'EXIT',{badarg, _}}=(catch erlang:port_connect(P, [])),
- ?line process_flag(trap_exit, true),
- ?line exit(P, you_should_die),
- ?line receive
- {'EXIT',RecPid,you_should_die} -> ok;
- Other -> ?line ?t:fail({bad_message,Other})
- end,
+ process_flag(trap_exit, true),
+ exit(P, you_should_die),
+ receive
+ {'EXIT',RecPid,you_should_die} -> ok;
+ Other -> ?line ?t:fail({bad_message,Other})
+ end,
%% Done.
ok.
%% Tests port_control/3
control(Config) when is_list(Config) ->
- ?line load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
+ load_control_drv(Config),
+ P = open_port({spawn, control_drv}, []),
%% Test invalid (out-of-range) arguments.
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(self(), 1, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(self(), 1, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -1, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -34887348739733833, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 16#100000000, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, a, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 'e', dum)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, dum)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, fun(X) -> X end)),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e,
- [fun(X) -> X end])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e,
- [1|fun(X) -> X end])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -1, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, -34887348739733833, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 16#100000000, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, a, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 'e', dum)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, dum)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, fun(X) -> X end)),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, [fun(X) -> X end])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, $e, [1|fun(X) -> X end])),
%% Test errors detected by the driver.
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 177, [])),
- ?line {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 155,
- random_packet(1024))),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 177, [])),
+ {'EXIT', {badarg, _}} = (catch erlang:port_control(P, 155, random_packet(1024))),
%% Test big op codes.
register(myport, P),
- ?line test_op(myport, 256),
- ?line test_op(P, 256),
- ?line test_op(P, 16#0033A837),
- ?line test_op(P, 16#0ab37938),
- ?line test_op(P, 16#eab37938),
- ?line test_op(P, 16#ffffFFFF),
+ test_op(myport, 256),
+ test_op(P, 256),
+ test_op(P, 16#0033A837),
+ test_op(P, 16#0ab37938),
+ test_op(P, 16#eab37938),
+ test_op(P, 16#ffffFFFF),
%% Test the echo function of the driver.
- ?line echo(P, 0),
- ?line echo(P, 1),
- ?line echo(P, 10),
- ?line echo(P, 13),
- ?line echo(P, 63),
- ?line echo(P, 64),
- ?line echo(P, 65),
- ?line echo(P, 127),
- ?line echo(P, 1023),
- ?line echo(P, 1024),
- ?line echo(P, 11243),
- ?line echo(P, 70000),
+ echo(P, 0),
+ echo(P, 1),
+ echo(P, 10),
+ echo(P, 13),
+ echo(P, 63),
+ echo(P, 64),
+ echo(P, 65),
+ echo(P, 127),
+ echo(P, 1023),
+ echo(P, 1024),
+ echo(P, 11243),
+ echo(P, 70000),
%% Done.
- ?line true=erlang:port_close(myport),
+ true = erlang:port_close(myport),
ok.
test_op(P, Op) ->
@@ -364,23 +386,23 @@ test_op(P, Op) ->
<<Op:32>> = list_to_binary(R).
echo_to_busy(Config) when is_list(Config) ->
- ?line Dog = test_server:timetrap(test_server:seconds(10)),
- ?line load_control_drv(Config),
- ?line P = open_port({spawn, control_drv}, []),
- ?line erlang:port_control(P, $b, [1]), % Set to busy.
+ Dog = test_server:timetrap(test_server:seconds(10)),
+ load_control_drv(Config),
+ P = open_port({spawn, control_drv}, []),
+ erlang:port_control(P, $b, [1]), % Set to busy.
Self = self(),
- ?line Echoer = spawn(fun() -> echoer(P, Self) end),
- ?line receive after 500 -> ok end,
- ?line erlang:port_control(P, $b, [0]), % Set to not busy.
- ?line receive
- {Echoer, done} ->
- ok;
- {Echoer, Other} ->
- test_server:fail(Other);
- Other ->
- test_server:fail({unexpected_message, Other})
- end,
- ?line test_server:timetrap_cancel(Dog),
+ Echoer = spawn(fun() -> echoer(P, Self) end),
+ receive after 500 -> ok end,
+ erlang:port_control(P, $b, [0]), % Set to not busy.
+ receive
+ {Echoer, done} ->
+ ok;
+ {Echoer, Other} ->
+ test_server:fail(Other);
+ Other ->
+ test_server:fail({unexpected_message, Other})
+ end,
+ test_server:timetrap_cancel(Dog),
ok.
echoer(P, ReplyTo) ->
@@ -405,9 +427,9 @@ echo(P, Size) ->
Packet = erlang:port_control(P, $e, [unaligned_sub_bin(Bin)]).
load_control_drv(Config) when is_list(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line erl_ddll:start(),
- ?line ok = load_driver(DataDir, "control_drv").
+ DataDir = ?config(data_dir, Config),
+ erl_ddll:start(),
+ ok = load_driver(DataDir, "control_drv").
load_driver(Dir, Driver) ->
case erl_ddll:load_driver(Dir, Driver) of
@@ -459,4 +481,3 @@ sub_bin(Bin) when is_binary(Bin) ->
B.
id(I) -> I.
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 15:58:06 +0000