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-rw-r--r--time/clock_nanosleep.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/time/clock_nanosleep.c b/time/clock_nanosleep.c
new file mode 100644
index 0000000000..c53c820880
--- /dev/null
+++ b/time/clock_nanosleep.c
@@ -0,0 +1,46 @@
+/* High-resolution sleep with the specified clock. Stub version.
+ Copyright (C) 2000-2019 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; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <time.h>
+#include <shlib-compat.h>
+
+int
+__clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req,
+ struct timespec *rem)
+{
+ if (__builtin_expect (req->tv_nsec, 0) < 0
+ || __builtin_expect (req->tv_nsec, 0) >= 1000000000)
+ return EINVAL;
+
+ if (flags != TIMER_ABSTIME && flags != 0)
+ return EINVAL;
+
+ /* Not implemented. */
+ return ENOSYS;
+}
+
+versioned_symbol (libc, __clock_nanosleep, clock_nanosleep, GLIBC_2_17);
+/* clock_nanosleep moved to libc in version 2.17;
+ old binaries may expect the symbol version it had in librt. */
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17)
+strong_alias (__clock_nanosleep, __clock_nanosleep_2);
+compat_symbol (libc, __clock_nanosleep_2, clock_nanosleep, GLIBC_2_2);
+#endif
+
+stub_warning (clock_nanosleep)