Merge branch 'pan/happi/yield_in_term_to_binary' into maintOTP_R16B01_RC1

* pan/happi/yield_in_term_to_binary:
  Add testcase to stress extra_root
  term_to_binary: Remove debug code and set production trap levels
  Teach erl_gc:offset_rootset about extra_root
  Teach external.c to handle reallocs before compression
  Make all steps ofterm_to_binary work in chunks and yield
  Make term_to_binary yield (trap).

OTP-11163

1 files changed, 11 insertions, 0 deletions

diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index 3c1edfad7a..973db65490 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -699,6 +699,14 @@ struct ErtsPendingSuspend_ {
 
 #endif
 
+
+typedef struct ErlExtraRootSet_ ErlExtraRootSet;
+struct ErlExtraRootSet_ {
+    Eterm *objv;
+    Uint sz;
+    void (*cleanup)(ErlExtraRootSet *);
+};
+
 /* Defines to ease the change of memory architecture */
 #  define HEAP_START(p)     (p)->heap
 #  define HEAP_TOP(p)       (p)->htop
@@ -792,6 +800,8 @@ struct process {
 
     ErlMessageQueue msg;	/* Message queue */
 
+    ErlExtraRootSet *extra_root;   /* Used by trapping BIF's */
+
     union {
 	ErtsBifTimer *bif_timers;	/* Bif timers aiming at this process */
 	void *terminate;
@@ -1976,6 +1986,7 @@ erts_sched_poke(ErtsSchedulerSleepInfo *ssi)
     }
 }
 
+
 #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
 
 #endif /* #ifdef ERTS_SMP */