add status info to memory mappings

+ next up would probably be to start working on process/thread
  relationships, largely as documented. Still not entirely sure about
  how I want to handle fork, but I suppose I might figure it out at some
  point.

1 files changed, 42 insertions, 0 deletions

diff --git a/include/apos/assert.h b/include/apos/assert.h
new file mode 100644
index 0000000..7200fd2
--- /dev/null
+++ b/include/apos/assert.h
@@ -0,0 +1,42 @@
+#ifndef APOS_ASSERT_H
+#define APOS_ASSERT_H
+
+#include <apos/debug.h>
+#include <apos/utils.h>
+
+/* TODO: should this exit or do something explosive like that? */
+#if !defined(DNDEBUG)
+#define catastrophic_assert(x)                                                 \
+	do {                                                                   \
+		if (x) {                                                       \
+			err("catastrophic assertion failed: %s\n", QUOTE(x));  \
+			while (1)                                              \
+				;                                              \
+		}                                                              \
+	} while (0);
+
+#define hard_assert(x, r)                                                      \
+	do {                                                                   \
+		if (x) {                                                       \
+			warn("hard assertion failed: %s\n", QUOTE(x));         \
+			return r;                                              \
+		}                                                              \
+	} while (0);
+
+#define soft_assert(x)                                                         \
+	do {                                                                   \
+		if (x) {                                                       \
+			info("soft assertion failed: %s\n", QUOTE(x));         \
+		}                                                              \
+	} while (0);
+#else
+#define catastrophic_assert(x)
+#define hard_assert(x, r)
+#define soft_assert(x)
+#endif
+
+/* use when return value doesn't exist, like hard_assert(x,
+	 * RETURN_VOID); */
+#define RETURN_VOID
+
+#endif /* APOS_ASSERT_H */