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Fix build errors for Postgres 10+ #3

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Fix build errors for Postgres 10+ #3

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4 changes: 4 additions & 0 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,10 @@ MYSTEM_PROCS := 8
INCLUDES := -I./rapidjson/include

CXXFLAGS = -Wall -Wpointer-arith -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fstack-protector-strong -Wformat -Werror=format-security -fPIC -fno-omit-frame-pointer -std=c++11 $(INCLUDES) -DSHARE_FOLDER="$(SHARE_FOLDER)" -DDOC_LEN_MAX=$(DOC_LEN_MAX) -DMYSTEM_PROCS=$(MYSTEM_PROCS) -O3
CPPFLAGS := $(CXXFLAGS)
PG_CXXFLAGS := $(CXXFLAGS)
PG_CPPFLAGS := $(CXXFLAGS)

SHLIB_LINK = -lstdc++

include $(PGXS)
40 changes: 34 additions & 6 deletions pg_mystem.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@ extern "C" {
#include <storage/latch.h>
#include <fmgr.h>
#include <utils/builtins.h>

#if PG_VERSION_NUM >= 100000
#include <pgstat.h>
#endif

PG_MODULE_MAGIC;
}
Expand All @@ -45,7 +49,31 @@ namespace pg_ms {
static const uint32_t docAndPostfixLengthMax = docLengthMax + 21 * sizeof(char);

static const useconds_t queueWaitTimeoutMax = 1000L; // wait for a record, milliseconds


#if PG_VERSION_NUM >= 100000
static const char *moduleName = "pg_mystem";
static const int latchEventInfo = WAIT_EVENT_BGWRITER_HIBERNATE;
#endif

typedef void (*bgwMain_t)(Datum main_arg);

static int WaitLatch(volatile Latch *latch, int wakeEvents, long timeout) {
#if PG_VERSION_NUM < 100000
return ::WaitLatch(latch, wakeEvents, timeout);
#else
return ::WaitLatch(latch, wakeEvents, timeout, latchEventInfo);
#endif
}

static void setBgWorkerMain(BackgroundWorker &worker, bgwMain_t main, const char *mainName) {
#if PG_VERSION_NUM < 100000
worker.bgw_main = main;
#else
strncpy(worker.bgw_library_name, moduleName, BGW_MAXLEN);
strncpy(worker.bgw_function_name, mainName, BGW_MAXLEN);
#endif
}

class inOutQueue_t {
public:
static const uint16_t queueRecordsMax;
Expand Down Expand Up @@ -499,7 +527,7 @@ extern "C" {
currTimeout = pg_ms::queueWaitTimeoutMax;
}

int rc = WaitLatch(MyLatch, WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH, currTimeout);
int rc = pg_ms::WaitLatch(MyLatch, WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH, currTimeout);
ResetLatch(MyLatch);
if (rc & WL_POSTMASTER_DEATH) {
break;
Expand Down Expand Up @@ -529,8 +557,8 @@ extern "C" {
worker.bgw_flags = BGWORKER_SHMEM_ACCESS;
worker.bgw_start_time = BgWorkerStart_ConsistentState;
worker.bgw_restart_time = BGW_NEVER_RESTART;
worker.bgw_main = createMystemChilds;
pg_ms::setBgWorkerMain(worker, createMystemChilds, "createMystemChilds");

for (auto i = 0; i < pg_ms::mystemProcNo; ++i) {
sprintf(worker.bgw_name, "mystem wrapper process %d", i + 1);
RegisterDynamicBackgroundWorker(&worker, NULL);
Expand All @@ -540,7 +568,7 @@ extern "C" {
BackgroundWorkerUnblockSignals();

while (!mystemTerminated) {
int rc = WaitLatch(MyLatch, WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH, 1000L);
int rc = pg_ms::WaitLatch(MyLatch, WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH, 1000L);
ResetLatch(MyLatch);
if (rc & WL_POSTMASTER_DEATH) {
break;
Expand All @@ -560,8 +588,8 @@ extern "C" {
worker.bgw_flags = BGWORKER_SHMEM_ACCESS;
worker.bgw_start_time = BgWorkerStart_RecoveryFinished;
worker.bgw_restart_time = BGW_NEVER_RESTART;
worker.bgw_main = mainMystemProc;
worker.bgw_notify_pid = 0;
pg_ms::setBgWorkerMain(worker, mainMystemProc, "mainMystemProc");

RegisterBackgroundWorker(&worker);
}
Expand Down