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-rw-r--r--toolkit/components/processtools/ProcInfo_linux.h26
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diff --git a/toolkit/components/processtools/ProcInfo_linux.h b/toolkit/components/processtools/ProcInfo_linux.h
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+++ b/toolkit/components/processtools/ProcInfo_linux.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __mozilla_ProcInfo_linux_h
+#define __mozilla_ProcInfo_linux_h
+
+// The following is directly inspired from kernel:
+// https://github.com/torvalds/linux/blob/v5.16/include/linux/posix-timers.h#L29-L48
+#ifndef CPUCLOCK_SCHED
+# define CPUCLOCK_SCHED 2
+#endif
+#ifndef CPUCLOCK_PERTHREAD_MASK
+# define CPUCLOCK_PERTHREAD_MASK 4
+#endif
+#ifndef MAKE_PROCESS_CPUCLOCK
+# define MAKE_PROCESS_CPUCLOCK(pid, clock) \
+ ((int)(~(unsigned)(pid) << 3) | (int)(clock))
+#endif
+#ifndef MAKE_THREAD_CPUCLOCK
+# define MAKE_THREAD_CPUCLOCK(tid, clock) \
+ MAKE_PROCESS_CPUCLOCK(tid, (clock) | CPUCLOCK_PERTHREAD_MASK)
+#endif
+
+#endif // ProcInfo_linux_h