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authorRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-07 09:28:38 -0700
commit08192659bbeae149e7cb1f4c43547257f7099bb0 (patch)
tree9f602a4e9f0aefdb06bc15a76be46e958e91a58f /sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
parent96baf6ffc57b811bbc424a1fc72ef77dd56d7a18 (diff)
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Get rid of nptl/sysdeps/ entirely!
Diffstat (limited to 'sysdeps/unix/sysv/linux/pthread_getcpuclockid.c')
-rw-r--r--sysdeps/unix/sysv/linux/pthread_getcpuclockid.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c b/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
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--- /dev/null
+++ b/sysdeps/unix/sysv/linux/pthread_getcpuclockid.c
@@ -0,0 +1,44 @@
+/* pthread_getcpuclockid -- Get POSIX clockid_t for a pthread_t.  Linux version
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthreadP.h>
+#include <sys/time.h>
+#include <tls.h>
+#include <kernel-posix-cpu-timers.h>
+
+
+int
+pthread_getcpuclockid (threadid, clockid)
+     pthread_t threadid;
+     clockid_t *clockid;
+{
+  struct pthread *pd = (struct pthread *) threadid;
+
+  /* Make sure the descriptor is valid.  */
+  if (INVALID_TD_P (pd))
+    /* Not a valid thread handle.  */
+    return ESRCH;
+
+  /* The clockid_t value is a simple computation from the TID.  */
+
+  const clockid_t tidclock = MAKE_THREAD_CPUCLOCK (pd->tid, CPUCLOCK_SCHED);
+
+  *clockid = tidclock;
+  return 0;
+}