src/apps/debugger/user_interface/cli/commands/CliThreadCommand.cpp

   1 /*
   2  * Copyright 2012, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "CliThreadCommand.h"
   8
   9 #include <stdio.h>
  10
  11 #include <AutoLocker.h>
  12
  13 #include "CliContext.h"
  14 #include "Team.h"
  15
  16
  17 CliThreadCommand::CliThreadCommand()
  18         :
  19         CliCommand("set or print the current thread",
  20                 "%s [ <thread ID> ]\n"
  21                 "Sets the current thread to <thread ID>, if supplied. Otherwise prints "
  22                         "the\n"
  23                 "current thread.")
  24 {
  25 }
  26
  27
  28 void
  29 CliThreadCommand::Execute(int argc, const char* const* argv,
  30         CliContext& context)
  31 {
  32         if (argc > 2) {
  33                 PrintUsage(argv[0]);
  34                 return;
  35         }
  36
  37         if (argc < 2) {
  38                 // no arguments -- print the current thread
  39                 context.PrintCurrentThread();
  40                 return;
  41         }
  42
  43         // parse the argument
  44         char* endPointer;
  45         long threadID = strtol(argv[1], &endPointer, 0);
  46         if (*endPointer != '\0' || threadID < 0) {
  47                 printf("Error: Invalid parameter \"%s\"\n", argv[1]);
  48                 return;
  49         }
  50
  51         // get the thread and change the current thread
  52         Team* team = context.GetTeam();
  53         AutoLocker<Team> teamLocker(team);
  54         if (Thread* thread = team->ThreadByID(threadID))
  55                 context.SetCurrentThread(thread);
  56         else
  57                 printf("Error: No thread with ID %ld\n", threadID);
  58 }