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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "base/process/process_handle.h"
- #include <stddef.h>
- #include <sys/sysctl.h>
- #include <sys/types.h>
- #include <unistd.h>
- namespace base {
- ProcessId GetParentProcessId(ProcessHandle process) {
- struct kinfo_proc info;
- size_t length;
- int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process,
- sizeof(struct kinfo_proc), 0 };
- if (sysctl(mib, std::size(mib), NULL, &length, NULL, 0) < 0)
- return -1;
- mib[5] = (length / sizeof(struct kinfo_proc));
- if (sysctl(mib, std::size(mib), &info, &length, NULL, 0) < 0)
- return -1;
- return info.p_ppid;
- }
- FilePath GetProcessExecutablePath(ProcessHandle process) {
- struct kinfo_proc kp;
- size_t len;
- int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process,
- sizeof(struct kinfo_proc), 0 };
- if (sysctl(mib, std::size(mib), NULL, &len, NULL, 0) == -1)
- return FilePath();
- mib[5] = (len / sizeof(struct kinfo_proc));
- if (sysctl(mib, std::size(mib), &kp, &len, NULL, 0) < 0)
- return FilePath();
- if ((kp.p_flag & P_SYSTEM) != 0)
- return FilePath();
- if (strcmp(kp.p_comm, "chrome") == 0)
- return FilePath(kp.p_comm);
- return FilePath();
- }
- } // namespace base
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