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-rw-r--r--lldb/tools/debugserver/source/MacOSX/MachTask.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/lldb/tools/debugserver/source/MacOSX/MachTask.cpp b/lldb/tools/debugserver/source/MacOSX/MachTask.cpp
index 61ace434ec5..62ebac294b6 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachTask.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachTask.cpp
@@ -86,14 +86,18 @@ MachTask::Resume()
{
struct task_basic_info task_info;
task_t task = TaskPort();
+ if (task == TASK_NULL)
+ return KERN_INVALID_ARGUMENT;
DNBError err;
err = BasicInfo(task, &task_info);
if (err.Success())
{
- integer_t i;
- for (i=0; i<task_info.suspend_count; i++)
+ // task_resume isn't counted like task_suspend calls are, are, so if the
+ // task is not suspended, don't try and resume it since it is already
+ // running
+ if (task_info.suspend_count > 0)
{
err = ::task_resume (task);
if (DNBLogCheckLogBit(LOG_TASK) || err.Fail())
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