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-rw-r--r--erts/emulator/beam/beam_emu.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index e96014c665..32ea8588d2 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -1023,8 +1023,6 @@ static BeamInstr* call_error_handler(Process* p, BeamInstr* ip,
static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity) NOINLINE;
static BeamInstr* apply(Process* p, Eterm module, Eterm function,
Eterm args, Eterm* reg) NOINLINE;
-static int hibernate(Process* c_p, Eterm module, Eterm function,
- Eterm args, Eterm* reg) NOINLINE;
static BeamInstr* call_fun(Process* p, int arity,
Eterm* reg, Eterm args) NOINLINE;
static BeamInstr* apply_fun(Process* p, Eterm fun,
@@ -3415,12 +3413,17 @@ void process_main(void)
r(0) = nif_bif_result;
CHECK_TERM(r(0));
SET_I(c_p->cp);
+ c_p->cp = 0;
Goto(*I);
} else if (c_p->freason == TRAP) {
SET_I(*((BeamInstr **) (UWord) ((c_p)->def_arg_reg + 3)));
r(0) = c_p->def_arg_reg[0];
x(1) = c_p->def_arg_reg[1];
x(2) = c_p->def_arg_reg[2];
+ if (c_p->flags & F_HIBERNATE_SCHED) {
+ c_p->flags &= ~F_HIBERNATE_SCHED;
+ goto do_schedule;
+ }
Dispatch();
}
reg[0] = r(0);
@@ -5222,7 +5225,8 @@ void process_main(void)
OpCase(i_hibernate): {
SWAPOUT;
- if (hibernate(c_p, r(0), x(1), x(2), reg)) {
+ if (erts_hibernate(c_p, r(0), x(1), x(2), reg)) {
+ c_p->flags &= ~F_HIBERNATE_SCHED;
goto do_schedule;
} else {
I = handle_error(c_p, I, reg, hibernate_3);
@@ -6199,8 +6203,8 @@ fixed_apply(Process* p, Eterm* reg, Uint arity)
return ep->address;
}
-static int
-hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg)
+int
+erts_hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg)
{
int arity;
Eterm tmp;
@@ -6275,15 +6279,17 @@ hibernate(Process* c_p, Eterm module, Eterm function, Eterm args, Eterm* reg)
PROCESS_MAIN_CHK_LOCKS(c_p);
erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MSGQ|ERTS_PROC_LOCK_STATUS);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
- c_p->status = P_WAITING;
#ifdef ERTS_SMP
ERTS_SMP_MSGQ_MV_INQ2PRIVQ(c_p);
if (c_p->msg.len > 0)
erts_add_to_runq(c_p);
+ else
#endif
+ c_p->status = P_WAITING;
}
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_MSGQ|ERTS_PROC_LOCK_STATUS);
c_p->current = bif_export[BIF_hibernate_3]->code;
+ c_p->flags |= F_HIBERNATE_SCHED; /* Needed also when woken! */
return 1;
}