summaryrefslogtreecommitdiff
path: root/src/lib/libast/misc/debug.c
diff options
context:
space:
mode:
authorIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-06-24 22:28:35 +0000
commit3950ffe2a485479f6561c27364d3d7df5a21d124 (patch)
tree468c6e14449d1b1e279222ec32f676b0311917d2 /src/lib/libast/misc/debug.c
downloadksh-upstream.tar.gz
Imported Upstream version 93u+upstream
Diffstat (limited to 'src/lib/libast/misc/debug.c')
-rw-r--r--src/lib/libast/misc/debug.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/lib/libast/misc/debug.c b/src/lib/libast/misc/debug.c
new file mode 100644
index 0000000..791973c
--- /dev/null
+++ b/src/lib/libast/misc/debug.c
@@ -0,0 +1,66 @@
+/***********************************************************************
+* *
+* This software is part of the ast package *
+* Copyright (c) 1985-2011 AT&T Intellectual Property *
+* and is licensed under the *
+* Eclipse Public License, Version 1.0 *
+* by AT&T Intellectual Property *
+* *
+* A copy of the License is available at *
+* http://www.eclipse.org/org/documents/epl-v10.html *
+* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
+* *
+* Information and Software Systems Research *
+* AT&T Research *
+* Florham Park NJ *
+* *
+* Glenn Fowler <gsf@research.att.com> *
+* David Korn <dgk@research.att.com> *
+* Phong Vo <kpv@research.att.com> *
+* *
+***********************************************************************/
+#pragma prototyped
+/*
+ * <debug.h> support
+ */
+
+#include <ast.h>
+#include <error.h>
+#include <debug.h>
+
+void
+debug_fatal(const char* file, int line)
+{
+ error(2, "%s:%d: debug error", file, line);
+ abort();
+}
+
+#if _sys_times
+
+#include <times.h>
+#include <sys/resource.h>
+
+double
+debug_elapsed(int set)
+{
+ double tm;
+ struct rusage ru;
+
+ static double prev;
+
+ getrusage(RUSAGE_SELF, &ru);
+ tm = (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec/1000000.0;
+ if (set)
+ return prev = tm;
+ return tm - prev;
+}
+
+#else
+
+double
+debug_elapsed(int set)
+{
+ return 0;
+}
+
+#endif