User Mode Linux uses futimes(), and thus won't build against uClibc. This was
my quick and dirty first stab at implementing it. Not very heavily tested.
Rob
--
Latency is more important than throughput. It's that simple. - Linus Torvalds
User Mode Linux needs futimes().
--- uClibc/include/sys/time.h 2005-11-30 11:07:06.000000000 -0600
+++ uClibc2/include/sys/time.h 2009-11-14 04:55:32.000000000 -0600
@@ -143,7 +143,9 @@
/* Same as `utimes', but does not follow symbolic links. */
extern int lutimes (__const char *__file, __const struct timeval __tvp[2])
__THROW __nonnull ((1));
+#endif
+#ifdef __USE_BSD
/* Same as `utimes', but takes an open file descriptor instead of a name. */
extern int futimes (int __fd, __const struct timeval __tvp[2]) __THROW;
#endif
--- /dev/null 2009-08-01 20:56:12.000000000 -0500
+++ uClibc2/libc/sysdeps/linux/common/futimes.c 2009-11-14 04:53:49.000000000 -0600
@@ -0,0 +1,33 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * futimes() for uClibc
+ *
+ * Copyright (C) 2009 Rob Landley <[email protected]>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <utime.h>
+#include <sys/time.h>
+
+#ifdef __NR_utimensat
+libc_hidden_proto(futimes)
+
+int futimes(const int fd, const struct timeval tvp[2])
+{
+ struct timespec ts[2], *pts = ts;
+
+ /* Convert timeval to timespec, for syscall */
+
+ if (tvp) {
+ TIMEVAL_TO_TIMESPEC(tvp, ts);
+ TIMEVAL_TO_TIMESPEC(tvp+1, ts+1);
+ } else pts = 0;
+
+ /* Make syscall */
+
+ return INLINE_SYSCALL(utimensat, 4, fd, 0, pts, 0);
+}
+libc_hidden_def(futimes)
+#endif
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