Make libprocstat(3) extract procstat notes from a process core file.

PR:		kern/173723
Suggested by:	jhb
Glanced by:	kib
MFC after:	1 month

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/libprocstat/core.h b/lib/libprocstat/core.h
new file mode 100644
index 0000000..8e2dd13
--- /dev/null
+++ b/lib/libprocstat/core.h
@@ -0,0 +1,45 @@
+/*-
+ * Copyright (c) 2013 Mikolaj Golub <trociny@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _CORE_H
+#define _CORE_H
+
+enum psc_type {
+	PSC_TYPE_PROC,
+	PSC_TYPE_FILES,
+	PSC_TYPE_VMMAP,
+};
+
+struct procstat_core;
+
+void procstat_core_close(struct procstat_core *core);
+void *procstat_core_get(struct procstat_core *core, enum psc_type type,
+    void * buf, size_t *lenp);
+struct procstat_core *procstat_core_open(const char *filename);
+
+#endif 	/* !_CORE_H_ */