Test the realtime GC, via long running process in a shared object, without linking nimrtl.dll/so.

tests/realtimeGC/main.c

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+
+#ifdef WIN
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <time.h>
+
+#define RUNTIME (35*60)
+
+
+typedef void (*pFunc)(void);
+
+int main(int argc, char* argv[])
+{
+    int i;
+    void* hndl;
+    pFunc status;
+    pFunc count;
+    pFunc occupiedMem;
+
+#ifdef WIN
+    hndl = (void*) LoadLibrary((char const*)"./shared.dll");
+    status = (pFunc)GetProcessAddress((HMODULE) hndl, (char const*)"status");
+    count = (pFunc)GetProcessAddress((HMODULE) hndl, (char const*)"count");
+    occupiedMem = (pFunc)GetProcessAddress((HMODULE) hndl, (char const*)"occupiedMem");
+#else /* OSX || NIX */
+    hndl = (void*) dlopen((char const*)"./libshared.so", RTLD_LAZY);
+    status = (void*) dlsym(hndl, (char const*)"status");
+    count = (void*) dlsym(hndl, (char const*)"count");
+    occupiedMem = (void*) dlsym(hndl, (char const*)"occupiedMem");
+#endif
+
+    assert(hndl);
+    assert(status);
+    assert(count);
+    assert(occupiedMem);
+
+    time_t startTime = time((time_t*)0);
+    time_t runTime = (time_t)(RUNTIME);
+    time_t accumTime = 0;
+    while (accumTime < runTime) {
+        for (i = 0; i < 10; i++)
+            count();
+        printf("1. sleeping...\n");
+        sleep(1);
+        for (i = 0; i < 10; i++)
+            status();
+        printf("2. sleeping...\n");
+        sleep(1);
+        occupiedMem();
+        accumTime = time((time_t*)0) - startTime;
+        printf("--- Minutes left to run: %d\n", (int)(runTime-accumTime)/60);
+    }
+    printf("Cleaning up the shared object pointer...\n");
+#ifdef WIN
+    FreeLibrary((HMODULE)hndl);
+#else /* OSX || NIX */
+    dlclose(hndl);
+#endif
+    printf("Done\n");
+    return 0;
+}
+
+
+
+

tests/realtimeGC/main.nim

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+discard """
+  cmd: " nim c main.nim"
+  final output: "Done!"
+"""
+
+import times
+import os
+
+const RUNTIME = 35 * 60 # 35 minutes
+
+when defined(windows):
+  const dllname = "./server.dll"
+elif defined(macosx):
+  const dllname = "./libserver.dylib"
+else:
+  const dllname = "./libserver.so"
+
+proc status() {.importc: "status", dynlib: dllname.}
+proc count() {.importc: "count", dynlib: dllname.}
+proc occupiedMem() {.importc: "occupiedMem", dynlib: dllname.}
+
+proc main() =
+  let startTime = getTime()
+  let runTime = cast[Time](RUNTIME) #
+  var accumTime: Time
+  while accumTime < runTime:
+    for i in 0..10:
+      count()
+    echo("1. sleeping... ")
+    sleep(500)
+    for i in 0..10:
+      status()
+    echo("2. sleeping... ")
+    sleep(500)
+    occupiedMem()
+    accumTime = cast[Time]((getTime() - startTime))
+    echo("--- Minutes left to run: ", int(int(runTime-accumTime)/60))
+  echo("Done")
+
+main()

tests/realtimeGC/main.nim.cfg

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+
+--app:console
+--threads:on
+
+-d:release
+-d:useRealtimeGC

tests/realtimeGC/make.bat

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+
+set CXX=gcc
+set LIBS=-ldl
+set LNFLAGS=
+set CFLAGS=-DWIN
+set INC=
+
+nim c shared.nim
+nim c -o:nmain main.nim
+%CXX% %INC) %DEFS% %CFLAGS% -o cmain main.c %LNFLAGS% %LIBS%

tests/realtimeGC/readme.txt

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+Test the realtime GC without linking nimrtl.dll/so.
+
+Note, this is a long running test, default is 35 minutes. To change the
+the run time see RUNTIME in main.nim and main.c.
+
+You can build shared.nim, main.nim, and main.c by running make (nix systems)
+or maike.bat (Windows systems). They both assume GCC and that it's in your
+path. Output: shared.(dll/so), camin(.exe), nmain(.exe).
+
+To run the test: execute either nmain or cmain in a shell window.
+
+To build buy hand:
+
+  - build the shared object (shared.nim):
+
+    $ nim c shared.nim
+
+  - build the client executables:
+
+    $ nim c -o:nmain main.nim
+    $ gcc -o cmain main.c -ldl

tests/realtimeGC/shared.nim

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+discard """
+  cmd: " nim c shared.nim"
+"""
+
+import strutils
+
+var gCounter: uint64
+var gTxStatus: bool
+var gRxStatus: bool
+var gConnectStatus: bool
+var gPttStatus: bool
+var gComm1Status: bool
+var gComm2Status: bool
+
+proc getTxStatus(): string =
+  result = if gTxStatus: "On" else: "Off"
+  gTxStatus = not gTxStatus
+
+proc getRxStatus(): string =
+  result = if gRxStatus: "On" else: "Off"
+  gRxStatus = not gRxStatus
+
+proc getConnectStatus(): string =
+  result = if gConnectStatus: "Yes" else: "No"
+  gConnectStatus = not gConnectStatus
+
+proc getPttStatus(): string =
+  result = if gPttStatus: "PTT: On" else: "PTT: Off"
+  gPttStatus = not gPttStatus
+
+proc getComm1Status(): string =
+  result = if gComm1Status: "On" else: "Off"
+  gComm1Status = not gComm1Status
+
+proc getComm2Status(): string =
+  result = if gComm2Status: "On" else: "Off"
+  gComm2Status = not gComm2Status
+
+proc status() {.exportc: "status", dynlib.} =
+  var tx_status = getTxStatus()
+  var rx_status = getRxStatus()
+  var connected = getConnectStatus()
+  var ptt_status = getPttStatus()
+  var str1: string = "[PilotEdge] Connected: $1  TX: $2  RX: $3" % [connected, tx_status, rx_status]
+  var a = getComm1Status()
+  var b = getComm2Status()
+  var str2: string = "$1  COM1: $2  COM2: $3" % [ptt_status, a, b]
+  echo(str1)
+  echo(str2)
+
+proc count() {.exportc: "count", dynlib.} =
+  var temp: uint64
+  for i in 0..100_000:
+    temp += 1
+  gCounter += 1
+  echo("gCounter: ", gCounter)
+
+proc occupiedMem() {.exportc: "occupiedMem", dynlib.} =
+  echo("Occupied Memmory: ", getOccupiedMem())
+

tests/realtimeGC/shared.nim.cfg

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+
+--app:lib
+--threads:on
+
+-d:release
+-d:useRealtimeGC