1 files changed, 68 insertions, 0 deletions
diff --git a/src/backend/utils/error/assert.c b/src/backend/utils/error/assert.c
new file mode 100644
index 0000000..4dfa326
--- /dev/null
+++ b/src/backend/utils/error/assert.c
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+ *
+ * assert.c
+ *	  Assert code.
+ *
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/utils/error/assert.c
+ *
+ * NOTE
+ *	  This should eventually work with elog()
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include <unistd.h>
+#ifdef HAVE_EXECINFO_H
+#include <execinfo.h>
+#endif
+
+/*
+ * ExceptionalCondition - Handles the failure of an Assert()
+ */
+void
+ExceptionalCondition(const char *conditionName,
+					 const char *errorType,
+					 const char *fileName,
+					 int lineNumber)
+{
+	if (!PointerIsValid(conditionName)
+		|| !PointerIsValid(fileName)
+		|| !PointerIsValid(errorType))
+		write_stderr("TRAP: ExceptionalCondition: bad arguments\n");
+	else
+	{
+		write_stderr("TRAP: %s(\"%s\", File: \"%s\", Line: %d)\n",
+					 errorType, conditionName,
+					 fileName, lineNumber);
+	}
+
+	/* Usually this shouldn't be needed, but make sure the msg went out */
+	fflush(stderr);
+
+#ifdef HAVE_BACKTRACE_SYMBOLS
+	{
+		void	   *buf[100];
+		int			nframes;
+
+		nframes = backtrace(buf, lengthof(buf));
+		backtrace_symbols_fd(buf, nframes, fileno(stderr));
+	}
+#endif
+
+#ifdef SLEEP_ON_ASSERT
+
+	/*
+	 * It would be nice to use pg_usleep() here, but only does 2000 sec or 33
+	 * minutes, which seems too short.
+	 */
+	sleep(1000000);
+#endif
+
+	abort();
+}