From 28041352cb05b0da78da40667dbc6c9f1819f36a Mon Sep 17 00:00:00 2001
From: Greg Clayton <gclayton@apple.com>
Date: Tue, 29 Nov 2011 20:50:10 +0000
Subject: Patch from Dawn that fixes up linux debugging and a first passs at an
 implementation of the linux platform.

llvm-svn: 145433
---
 .../Plugins/Process/Linux/ProcessMonitor.cpp       | 40 ++++++++++++++++++----
 1 file changed, 33 insertions(+), 7 deletions(-)

(limited to 'lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp')

diff --git a/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp b/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
index 2a844623080..c154c5555db 100644
--- a/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
+++ b/lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
@@ -722,6 +722,30 @@ KillOperation::Execute(ProcessMonitor *monitor)
         m_result = true;
 }
 
+//------------------------------------------------------------------------------
+/// @class KillOperation
+/// @brief Implements ProcessMonitor::BringProcessIntoLimbo.
+class DetachOperation : public Operation
+{
+public:
+    DetachOperation(Error &result) : m_error(result) { }
+
+    void Execute(ProcessMonitor *monitor);
+
+private:
+    Error &m_error;
+};
+
+void
+DetachOperation::Execute(ProcessMonitor *monitor)
+{
+    lldb::pid_t pid = monitor->GetPID();
+
+    if (ptrace(PT_DETACH, pid, NULL, 0) < 0)
+        m_error.SetErrorToErrno();
+  
+}
+
 ProcessMonitor::OperationArgs::OperationArgs(ProcessMonitor *monitor)
     : m_monitor(monitor)
 {
@@ -1220,7 +1244,7 @@ ProcessMonitor::MonitorCallback(void *callback_baton,
 
 ProcessMessage
 ProcessMonitor::MonitorSIGTRAP(ProcessMonitor *monitor,
-                               const struct siginfo *info, lldb::pid_t pid)
+                               const siginfo_t *info, lldb::pid_t pid)
 {
     ProcessMessage message;
 
@@ -1261,7 +1285,7 @@ ProcessMonitor::MonitorSIGTRAP(ProcessMonitor *monitor,
 
 ProcessMessage
 ProcessMonitor::MonitorSignal(ProcessMonitor *monitor,
-                              const struct siginfo *info, lldb::pid_t pid)
+                              const siginfo_t *info, lldb::pid_t pid)
 {
     ProcessMessage message;
     int signo = info->si_signo;
@@ -1312,7 +1336,7 @@ ProcessMonitor::MonitorSignal(ProcessMonitor *monitor,
 }
 
 ProcessMessage::CrashReason
-ProcessMonitor::GetCrashReasonForSIGSEGV(const struct siginfo *info)
+ProcessMonitor::GetCrashReasonForSIGSEGV(const siginfo_t *info)
 {
     ProcessMessage::CrashReason reason;
     assert(info->si_signo == SIGSEGV);
@@ -1336,7 +1360,7 @@ ProcessMonitor::GetCrashReasonForSIGSEGV(const struct siginfo *info)
 }
 
 ProcessMessage::CrashReason
-ProcessMonitor::GetCrashReasonForSIGILL(const struct siginfo *info)
+ProcessMonitor::GetCrashReasonForSIGILL(const siginfo_t *info)
 {
     ProcessMessage::CrashReason reason;
     assert(info->si_signo == SIGILL);
@@ -1378,7 +1402,7 @@ ProcessMonitor::GetCrashReasonForSIGILL(const struct siginfo *info)
 }
 
 ProcessMessage::CrashReason
-ProcessMonitor::GetCrashReasonForSIGFPE(const struct siginfo *info)
+ProcessMonitor::GetCrashReasonForSIGFPE(const siginfo_t *info)
 {
     ProcessMessage::CrashReason reason;
     assert(info->si_signo == SIGFPE);
@@ -1420,7 +1444,7 @@ ProcessMonitor::GetCrashReasonForSIGFPE(const struct siginfo *info)
 }
 
 ProcessMessage::CrashReason
-ProcessMonitor::GetCrashReasonForSIGBUS(const struct siginfo *info)
+ProcessMonitor::GetCrashReasonForSIGBUS(const siginfo_t *info)
 {
     ProcessMessage::CrashReason reason;
     assert(info->si_signo == SIGBUS);
@@ -1646,7 +1670,9 @@ bool
 ProcessMonitor::Detach()
 {
     bool result;
-    KillOperation op(result);
+    lldb_private::Error error;
+    DetachOperation op(error);
+    result = error.Success();
     DoOperation(&op);
     StopMonitor();
     return result;
-- 
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