Remove KQueue.cpp

Summary:
This class is unused.

Reviewers: clayborg

Subscribers: mgorny, modocache, lldb-commits

Differential Revision: https://reviews.llvm.org/D26237

llvm-svn: 285847

lldb/lldb.xcodeproj/project.pbxproj

@@ -633,7 +633,6 @@
 		26CEB5F218762056008F575A /* CommandObjectGUI.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26CEB5F018762056008F575A /* CommandObjectGUI.cpp */; };
 		26CFDCA3186163A4000E63E5 /* Editline.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26CFDCA2186163A4000E63E5 /* Editline.cpp */; };
 		26CFDCA818616473000E63E5 /* libedit.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 26F5C32A10F3DFDD009D5894 /* libedit.dylib */; };
-		26D1803E16CEBFD300EDFB5B /* KQueue.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26D1803C16CEBFD300EDFB5B /* KQueue.cpp */; };
 		26D1804216CEDF0700EDFB5B /* TimeSpecTimeout.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26D1804016CEDF0700EDFB5B /* TimeSpecTimeout.cpp */; };
 		26D265BC136B4269002EEE45 /* lldb-public.h in Headers */ = {isa = PBXBuildFile; fileRef = 26651A14133BEC76005B64B7 /* lldb-public.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		26D52C1F1A980FE300E5D2FB /* MICmdCmdSymbol.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26D52C1D1A980FE300E5D2FB /* MICmdCmdSymbol.cpp */; };
@@ -2253,9 +2252,7 @@
 		26D0DD5310FE555900271C65 /* BreakpointResolverAddress.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = BreakpointResolverAddress.cpp; path = source/Breakpoint/BreakpointResolverAddress.cpp; sourceTree = "<group>"; };
 		26D0DD5410FE555900271C65 /* BreakpointResolverFileLine.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = BreakpointResolverFileLine.cpp; path = source/Breakpoint/BreakpointResolverFileLine.cpp; sourceTree = "<group>"; };
 		26D0DD5510FE555900271C65 /* BreakpointResolverName.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = BreakpointResolverName.cpp; path = source/Breakpoint/BreakpointResolverName.cpp; sourceTree = "<group>"; };
-		26D1803C16CEBFD300EDFB5B /* KQueue.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = KQueue.cpp; path = source/Utility/KQueue.cpp; sourceTree = "<group>"; };
 		26D1804016CEDF0700EDFB5B /* TimeSpecTimeout.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = TimeSpecTimeout.cpp; path = source/Utility/TimeSpecTimeout.cpp; sourceTree = "<group>"; };
-		26D1804416CEE12500EDFB5B /* KQueue.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = KQueue.h; path = source/Utility/KQueue.h; sourceTree = "<group>"; };
 		26D1804616CEE12C00EDFB5B /* TimeSpecTimeout.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = TimeSpecTimeout.h; path = source/Utility/TimeSpecTimeout.h; sourceTree = "<group>"; };
 		26D27C9D11ED3A4E0024D721 /* ELFHeader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ELFHeader.cpp; sourceTree = "<group>"; };
 		26D27C9E11ED3A4E0024D721 /* ELFHeader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ELFHeader.h; sourceTree = "<group>"; };
@@ -4227,8 +4224,6 @@
 				942829551A89614C00521B30 /* JSON.cpp */,
 				943BDEFC1AA7B2DE00789CE8 /* LLDBAssert.h */,
 				943BDEFD1AA7B2F800789CE8 /* LLDBAssert.cpp */,
-				26D1804416CEE12500EDFB5B /* KQueue.h */,
-				26D1803C16CEBFD300EDFB5B /* KQueue.cpp */,
 				3F81691C1ABA242B001DA9DF /* NameMatches.h */,
 				3F8169181ABA2419001DA9DF /* NameMatches.cpp */,
 				94031A9F13CF5B3D00DCFF3C /* PriorityPointerPair.h */,
@@ -7536,7 +7531,6 @@
 				26DB3E1C1379E7AD0080DC73 /* ABIMacOSX_i386.cpp in Sources */,
 				26DB3E1F1379E7AD0080DC73 /* ABISysV_x86_64.cpp in Sources */,
 				232CB61D191E00CD00EF39FC /* SoftwareBreakpoint.cpp in Sources */,
-				26D1803E16CEBFD300EDFB5B /* KQueue.cpp in Sources */,
 				26A69C5F137A17A500262477 /* RegisterValue.cpp in Sources */,
 				2690B3711381D5C300ECFBAE /* Memory.cpp in Sources */,
 				4C562CC71CC07DF700C52EAC /* PDBASTParser.cpp in Sources */,

lldb/source/Utility/CMakeLists.txt

@@ -3,7 +3,6 @@ add_lldb_library(lldbUtility
   ARM64_DWARF_Registers.cpp
   ConvertEnum.cpp
   JSON.cpp
-  KQueue.cpp
   LLDBAssert.cpp
   ModuleCache.cpp
   NameMatches.cpp

lldb/source/Utility/KQueue.cpp

@@ -1,76 +0,0 @@
-//===--------------------- KQueue.cpp ---------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "KQueue.h"
-
-#ifdef LLDB_USE_KQUEUES
-
-#include "lldb/Core/Error.h"
-
-#include "Utility/TimeSpecTimeout.h"
-
-using namespace lldb_private;
-
-int KQueue::GetFD(bool can_create) {
-  if (!IsValid() && can_create)
-    m_fd = kqueue();
-  return m_fd;
-}
-
-int KQueue::Close() {
-  const int fd = m_fd;
-  if (fd >= 0) {
-    m_fd = -1;
-    return close(fd);
-  }
-  return 0;
-}
-
-int KQueue::WaitForEvents(struct kevent *events, int num_events, Error &error,
-                          uint32_t timeout_usec) {
-  const int fd_kqueue = GetFD(false);
-  if (fd_kqueue >= 0) {
-    TimeSpecTimeout timeout;
-    const struct timespec *timeout_ptr =
-        timeout.SetRelativeTimeoutMircoSeconds32(timeout_usec);
-    int result = ::kevent(fd_kqueue, NULL, 0, events, num_events, timeout_ptr);
-    if (result == -1)
-      error.SetErrorToErrno();
-    else
-      error.Clear();
-    return result;
-  } else {
-    error.SetErrorString("invalid kqueue fd");
-  }
-  return 0;
-}
-
-bool KQueue::AddFDEvent(int fd, bool read, bool write, bool vnode) {
-  const int fd_kqueue = GetFD(true);
-  if (fd_kqueue >= 0) {
-    struct kevent event;
-    event.ident = fd;
-    event.filter = 0;
-    if (read)
-      event.filter |= EVFILT_READ;
-    if (write)
-      event.filter |= EVFILT_WRITE;
-    if (vnode)
-      event.filter |= EVFILT_VNODE;
-    event.flags = EV_ADD | EV_CLEAR;
-    event.fflags = 0;
-    event.data = 0;
-    event.udata = NULL;
-    int err = ::kevent(fd_kqueue, &event, 1, NULL, 0, NULL);
-    return err == 0;
-  }
-  return false;
-}
-
-#endif

lldb/source/Utility/KQueue.h

@@ -1,53 +0,0 @@
-//===--------------------- KQueue.h -----------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef utility_KQueue_h_
-#define utility_KQueue_h_
-
-#if defined(__APPLE__)
-#define LLDB_USE_KQUEUES
-#endif
-
-#ifdef LLDB_USE_KQUEUES
-
-#include <sys/event.h>
-#include <sys/time.h>
-#include <sys/types.h>
-
-#include "lldb/lldb-defines.h"
-
-namespace lldb_private {
-
-class KQueue {
-public:
-  KQueue() : m_fd(-1) {}
-
-  ~KQueue() { Close(); }
-
-  bool IsValid() const { return m_fd >= 0; }
-
-  int GetFD(bool can_create);
-
-  int Close();
-
-  bool AddFDEvent(int fd, bool read, bool write, bool vnode);
-
-  int WaitForEvents(
-      struct kevent *events, int num_events, Error &error,
-      uint32_t timeout_usec = UINT32_MAX); // UINT32_MAX means infinite timeout
-
-protected:
-  int m_fd; // The kqueue fd
-};
-
-} // namespace lldb_private
-
-#endif // #ifdef LLDB_USE_KQUEUES
-
-#endif // #ifndef utility_KQueue_h_