base/process/process_handle_mac.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/process/process_handle.h"
   6
   7 #include <libproc.h>
   8 #include <sys/sysctl.h>
   9 #include <sys/types.h>
  10
  11 #include "base/logging.h"
  12
  13 namespace base {
  14
  15 ProcessId GetParentProcessId(ProcessHandle process) {
  16   struct kinfo_proc info;
  17   size_t length = sizeof(struct kinfo_proc);
  18   int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
  19   if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) {
  20     DPLOG(ERROR) << "sysctl";
  21     return -1;
  22   }
  23   if (length == 0)
  24     return -1;
  25   return info.kp_eproc.e_ppid;
  26 }
  27
  28 FilePath GetProcessExecutablePath(ProcessHandle process) {
  29   char pathbuf[PROC_PIDPATHINFO_MAXSIZE];
  30   if (!proc_pidpath(process, pathbuf, sizeof(pathbuf)))
  31     return FilePath();
  32
  33   return FilePath(pathbuf);
  34 }
  35
  36 }  // namespace base