tools/DumpThreads/AppMain.c

   1
   2 #if defined(WIN32)
   3 #include <windows.h>
   4 #else
   5 #include <jni.h>
   6 #include <signal.h>
   7 #include <unistd.h>
   8 #include <stdlib.h>
   9 #include <stdio.h>
  10 #include <string.h>
  11
  12 int isKernel26OrHigher();
  13 #endif
  14
  15 JNIEXPORT void JNICALL Java_com_intellij_rt_execution_application_AppMain_triggerControlBreak
  16   (JNIEnv *env, jclass clazz) {
  17 #if defined(WIN32)
  18   GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, 0);
  19 #else
  20   if (isKernel26OrHigher()) {
  21     kill (getpid(), SIGQUIT);
  22   } else {
  23     int ppid = getppid();
  24     char buffer[1024];
  25     sprintf(buffer, "/proc/%d/status", ppid);
  26     FILE * fp;
  27     if ( (fp = fopen(buffer, "r")) != NULL )
  28     {
  29       char s[124];
  30       char * ppid_name = "PPid:";
  31       while (fscanf (fp, "%s\n", s) > 0) {
  32         if (strcmp(s, ppid_name) == 0) {
  33           int pppid;
  34           fscanf(fp, "%d", &pppid);
  35           kill (pppid, SIGQUIT);
  36           break;
  37         }
  38       }
  39
  40       fclose (fp);
  41     }
  42   }
  43 #endif
  44 }
  45
  46 #ifndef WIN32
  47
  48 int isKernel26OrHigher() {
  49   char buffer[1024];
  50   FILE * fp;
  51   if ( (fp = fopen("/proc/version", "r")) != NULL )
  52   {
  53      int major;
  54      int minor;
  55      fscanf(fp, "Linux version %d.%d", &major, &minor);
  56      fclose (fp);
  57      if (major < 2) return 0;
  58      if (major == 2) return minor >= 6;
  59      return 1;
  60   }
  61
  62   return 0;
  63 }
  64 #endif