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authorSverker Eriksson <[email protected]>2014-11-03 18:07:02 +0100
committerSverker Eriksson <[email protected]>2014-11-03 18:07:02 +0100
commitc84fdab1ad76931b98cd298c3421d3202eb7b52a (patch)
treec8e954a4093f42942a3beec1eb91680b3759b7f3 /erts/emulator/beam/dist.h
parentc3d006f6542e924c73dbfc76da64dacbeeeadfd0 (diff)
parentd3f0abb4daf5c823f05c3908fdc4f6ee01035937 (diff)
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Merge branch 'sverk/yielding-distr-send/OTP-12232'
* sverk/yielding-distr-send/OTP-12232: erts: Add constant TERM_TO_BINARY_MEMCPY_FACTOR erts: Optimize some repeated calls to {E,W}STACK_PUSH erts: Yield in term_to_binary when encoding big maps erts: Remove unnecessary goto for fun encoding erts: Yield in term_to_binary while copying large binaries erts: Implement yielding for distributed send of large messages
Diffstat (limited to 'erts/emulator/beam/dist.h')
-rw-r--r--erts/emulator/beam/dist.h97
1 files changed, 95 insertions, 2 deletions
diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h
index f32b999198..2a2ba0c83f 100644
--- a/erts/emulator/beam/dist.h
+++ b/erts/emulator/beam/dist.h
@@ -22,6 +22,7 @@
#include "erl_process.h"
#include "erl_node_tables.h"
+#include "zlib.h"
#define DFLAG_PUBLISHED 0x01
#define DFLAG_ATOM_CACHE 0x02
@@ -264,17 +265,105 @@ erts_destroy_dist_link(ErtsDistLinkData *dldp)
#endif
+
+
+/* Define for testing */
+/* #define EXTREME_TTB_TRAPPING 1 */
+
+#ifndef EXTREME_TTB_TRAPPING
+#define TERM_TO_BINARY_LOOP_FACTOR 32
+#else
+#define TERM_TO_BINARY_LOOP_FACTOR 1
+#endif
+
+typedef enum { TTBSize, TTBEncode, TTBCompress } TTBState;
+typedef struct TTBSizeContext_ {
+ Uint flags;
+ int level;
+ Uint result;
+ Eterm obj;
+ ErtsEStack estack;
+} TTBSizeContext;
+
+typedef struct TTBEncodeContext_ {
+ Uint flags;
+ int level;
+ byte* ep;
+ Eterm obj;
+ ErtsWStack wstack;
+ Binary *result_bin;
+} TTBEncodeContext;
+
+typedef struct {
+ Uint real_size;
+ Uint dest_len;
+ byte *dbytes;
+ Binary *result_bin;
+ Binary *destination_bin;
+ z_stream stream;
+} TTBCompressContext;
+
+typedef struct {
+ int alive;
+ TTBState state;
+ union {
+ TTBSizeContext sc;
+ TTBEncodeContext ec;
+ TTBCompressContext cc;
+ } s;
+} TTBContext;
+
+enum erts_dsig_send_phase {
+ ERTS_DSIG_SEND_PHASE_INIT,
+ ERTS_DSIG_SEND_PHASE_MSG_SIZE,
+ ERTS_DSIG_SEND_PHASE_ALLOC,
+ ERTS_DSIG_SEND_PHASE_MSG_ENCODE,
+ ERTS_DSIG_SEND_PHASE_FIN
+};
+
+struct erts_dsig_send_context {
+ enum erts_dsig_send_phase phase;
+ Sint reds;
+
+ Eterm ctl;
+ Eterm msg;
+ int force_busy;
+ Uint32 pass_through_size;
+ Uint data_size, dhdr_ext_size;
+ ErtsAtomCacheMap *acmp;
+ ErtsDistOutputBuf *obuf;
+ Uint32 flags;
+ Process *c_p;
+ union {
+ TTBSizeContext sc;
+ TTBEncodeContext ec;
+ }u;
+};
+
+typedef struct {
+ int suspend;
+
+ Eterm ctl_heap[6];
+ ErtsDSigData dsd;
+ DistEntry* dep_to_deref;
+ struct erts_dsig_send_context dss;
+
+ Eterm return_term;
+}ErtsSendContext;
+
+
/*
* erts_dsig_send_* return values.
*/
#define ERTS_DSIG_SEND_OK 0
#define ERTS_DSIG_SEND_YIELD 1
+#define ERTS_DSIG_SEND_CONTINUE 2
extern int erts_dsig_send_link(ErtsDSigData *, Eterm, Eterm);
-extern int erts_dsig_send_msg(ErtsDSigData *, Eterm, Eterm);
+extern int erts_dsig_send_msg(Eterm, Eterm, ErtsSendContext*);
extern int erts_dsig_send_exit_tt(ErtsDSigData *, Eterm, Eterm, Eterm, Eterm);
extern int erts_dsig_send_unlink(ErtsDSigData *, Eterm, Eterm);
-extern int erts_dsig_send_reg_msg(ErtsDSigData *, Eterm, Eterm);
+extern int erts_dsig_send_reg_msg(Eterm, Eterm, ErtsSendContext*);
extern int erts_dsig_send_group_leader(ErtsDSigData *, Eterm, Eterm);
extern int erts_dsig_send_exit(ErtsDSigData *, Eterm, Eterm, Eterm);
extern int erts_dsig_send_exit2(ErtsDSigData *, Eterm, Eterm, Eterm);
@@ -282,6 +371,10 @@ extern int erts_dsig_send_demonitor(ErtsDSigData *, Eterm, Eterm, Eterm, int);
extern int erts_dsig_send_monitor(ErtsDSigData *, Eterm, Eterm, Eterm);
extern int erts_dsig_send_m_exit(ErtsDSigData *, Eterm, Eterm, Eterm, Eterm);
+extern int erts_dsig_send(ErtsDSigData *dsdp, struct erts_dsig_send_context* ctx);
+extern void erts_dsend_context_dtor(Binary*);
+extern Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx);
+
extern int erts_dist_command(Port *prt, int reds);
extern void erts_dist_port_not_busy(Port *prt);
extern void erts_kill_dist_connection(DistEntry *dep, Uint32);