aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog4
-rw-r--r--sysdeps/posix/clock_getres.c63
-rw-r--r--sysdeps/unix/clock_gettime.c52
-rw-r--r--sysdeps/unix/clock_settime.c51
4 files changed, 170 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index bb74fe1357..f388f791c1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2000-04-09 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/clock_gettime.c: New file.
+ * sysdeps/unix/clock_settime.c: New file.
+ * sysdeps/posix/clock_getres.c: New file.
+
* conform/data/ftw.h-data: Add allow-header sys/stat.h.
* sysdeps/unix/sysv/linux/getdents.c (__getdents): Avoid initial
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
new file mode 100644
index 0000000000..5043ffd0e6
--- /dev/null
+++ b/sysdeps/posix/clock_getres.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1999, 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+#ifndef EXTRA_CLOCK_CASES
+# define EXTRA_CLOCK_CASES
+#endif
+
+/* Get resolution of clock. */
+int
+clock_getres (clockid_t clock_id, struct timespec *res)
+{
+ int retval;
+
+ switch (clock_id)
+ {
+ case CLOCK_REALTIME:
+ {
+ long int clk_tck = sysconf (_SC_CLK_TCK);
+
+ retval = -1;
+ if (__builtin_expect (clk_tck != -1, 1))
+ {
+ /* This implementation assumes that the realtime clock has a
+ resolution higher than 1 second. This is the case for any
+ reasonable implementation. */
+ res->tv_sec = 0;
+ res->tv_nsec = 1000000000 / clk_tck;
+
+ retval = 0;
+ }
+ }
+ break;
+
+ EXTRA_CLOCK_CASES
+
+ default:
+ __set_errno (EINVAL);
+ retval = -1;
+ break;
+ }
+
+ return retval;
+}
diff --git a/sysdeps/unix/clock_gettime.c b/sysdeps/unix/clock_gettime.c
new file mode 100644
index 0000000000..b7edd16c9b
--- /dev/null
+++ b/sysdeps/unix/clock_gettime.c
@@ -0,0 +1,52 @@
+/* Copyright (C) 1999, 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/time.h>
+
+
+#ifndef EXTRA_CLOCK_CASES
+# define EXTRA_CLOCK_CASES
+#endif
+
+/* Get current value of CLOCK and store it in TP. */
+int
+clock_gettime (clockid_t clock_id, struct timespec *tp)
+{
+ struct timeval tv;
+ int retval;
+
+ switch (clock_id)
+ {
+ case CLOCK_REALTIME:
+ retval = gettimeofday (&tv, NULL);
+ if (retval == 0)
+ /* Convert into `timespec'. */
+ TIMEVAL_TO_TIMESPEC (&tv, tp);
+ break;
+
+ EXTRA_CLOCK_CASES
+
+ default:
+ __set_errno (EINVAL);
+ retval = -1;
+ break;
+ }
+
+ return retval;
+}
diff --git a/sysdeps/unix/clock_settime.c b/sysdeps/unix/clock_settime.c
new file mode 100644
index 0000000000..daee2e2c93
--- /dev/null
+++ b/sysdeps/unix/clock_settime.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1999, 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/time.h>
+
+
+#ifndef EXTRA_CLOCK_CASES
+# define EXTRA_CLOCK_CASES
+#endif
+
+/* Set CLOCK to value TP. */
+int
+clock_settime (clockid_t clock_id, const struct timespec *tp)
+{
+ struct timeval tv;
+ int retval;
+
+ switch (clock_id)
+ {
+ case CLOCK_REALTIME:
+ TIMESPEC_TO_TIMEVAL (&tv, tp);
+
+ retval = settimeofday (&tv, NULL);
+ break;
+
+ EXTRA_CLOCK_CASES
+
+ default:
+ __set_errno (EINVAL);
+ retval = -1;
+ break;
+ }
+
+ return retval;
+}