update to ida 7.6, add builds

idasdk76/plugins/mtsample/mtsample.cpp

@@ -0,0 +1,137 @@
+/*
+ *  This is a sample multi-threaded plugin module
+ *
+ *  It creates 3 new threads. Each threads sleeps and prints a message in a loop
+ *
+ */
+
+#ifdef __NT__
+#include <windows.h>
+#endif
+
+#include <ida.hpp>
+#include <idp.hpp>
+#include <loader.hpp>
+#include <kernwin.hpp>
+
+#ifdef __NT__
+#include <windows.h>
+#endif
+
+
+//--------------------------------------------------------------------------
+struct plugin_ctx_t : public plugmod_t
+{
+  qthread_t children[10] = { nullptr };
+  int nchilds = 0;
+
+  ~plugin_ctx_t() { term(); }
+  void term()
+  {
+    if ( nchilds > 0 )
+    {
+      msg("Killing all threads\n");
+      for ( int i=0; i < nchilds; i++ )
+      {
+        qthread_kill(children[i]);
+        qthread_join(children[i]);
+        // cancel all pending requests from the killed thread
+        cancel_thread_exec_requests(children[i]);
+        qthread_free(children[i]);
+      }
+      msg("Killed all threads\n");
+      nchilds = 0;
+    }
+  }
+  virtual bool idaapi run(size_t) override;
+};
+
+//--------------------------------------------------------------------------
+static void say_hello(size_t id, qthread_t tid, int cnt)
+{
+  struct ida_local hello_t : public exec_request_t
+  {
+    uint64 nsecs;
+    size_t id;
+    qthread_t tid;
+    int cnt;
+    int idaapi execute(void) override
+    {
+      uint64 now = get_nsec_stamp();
+      int64 delay = now - nsecs;
+      msg("Hello %d from thread %" FMT_Z ". tid=%p. current tid=%p (delay=%" FMT_64 "d)\n",
+          cnt, id, tid, qthread_self(), delay);
+      return 0;
+    }
+    hello_t(size_t _id, qthread_t _tid, int _cnt) : id(_id), tid(_tid), cnt(_cnt)
+    {
+      nsecs = get_nsec_stamp();
+    }
+  };
+  hello_t hi(id, tid, cnt);
+
+  int mff;
+  switch ( id % 3 )
+  {
+    case 0: mff = MFF_FAST;  break;
+    case 1: mff = MFF_READ;  break;
+    default:
+    case 2: mff = MFF_WRITE; break;
+  }
+  execute_sync(hi, mff);
+}
+
+//--------------------------------------------------------------------------
+static int idaapi thread_func(void *ud)
+{
+  size_t id = (size_t)ud;
+  qthread_t tid = qthread_self();
+  int cnt = 0;
+  srand(id ^ (size_t)tid);
+  while ( true )
+  {
+    say_hello(id, tid, cnt++);
+    int r = rand() % 1000;
+    qsleep(r);
+  }
+  return 0;
+}
+
+//--------------------------------------------------------------------------
+bool idaapi plugin_ctx_t::run(size_t)
+{
+  if ( nchilds == 0 )
+  {
+    children[nchilds] = qthread_create(thread_func, (void *)(ssize_t)nchilds); nchilds++;
+    children[nchilds] = qthread_create(thread_func, (void *)(ssize_t)nchilds); nchilds++;
+    children[nchilds] = qthread_create(thread_func, (void *)(ssize_t)nchilds); nchilds++;
+    msg("Three new threads have been created. Main thread id %p\n", qthread_self());
+    for ( int i=0; i < 5; i++ )
+      say_hello(-1, 0, 0);
+  }
+  else
+  {
+    term();
+  }
+  return true;
+}
+
+//--------------------------------------------------------------------------
+static plugmod_t *idaapi init()
+{
+  return new plugin_ctx_t;
+}
+
+//--------------------------------------------------------------------------
+plugin_t PLUGIN =
+{
+  IDP_INTERFACE_VERSION,
+  PLUGIN_MULTI,         // The plugin can work with multiple idbs in parallel
+  init,                 // initialize
+  nullptr,
+  nullptr,
+  nullptr,              // long comment about the plugin
+  nullptr,              // multiline help about the plugin
+  "Multi-threaded sample", // the preferred short name of the plugin
+  nullptr,              // the preferred hotkey to run the plugin
+};