summaryrefslogtreecommitdiff
path: root/src/ext/timeouts/timeout-debug.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/ext/timeouts/timeout-debug.h')
-rw-r--r--src/ext/timeouts/timeout-debug.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/ext/timeouts/timeout-debug.h b/src/ext/timeouts/timeout-debug.h
new file mode 100644
index 0000000000..fc727a6b42
--- /dev/null
+++ b/src/ext/timeouts/timeout-debug.h
@@ -0,0 +1,77 @@
+/*
+ * D E B U G R O U T I N E S
+ *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#if TIMEOUT_DEBUG - 0
+#include <stdlib.h>
+#include <stdio.h>
+
+#undef TIMEOUT_DEBUG
+#define TIMEOUT_DEBUG 1
+#define DEBUG_LEVEL timeout_debug
+
+static int timeout_debug;
+
+#define SAYit_(lvl, fmt, ...) do { \
+ if (DEBUG_LEVEL >= (lvl)) \
+ fprintf(stderr, fmt "%s", __FILE__, __LINE__, __func__, __VA_ARGS__); \
+} while (0)
+
+#define SAYit(lvl, ...) SAYit_((lvl), "%s:%d:%s: " __VA_ARGS__, "\n")
+
+#define PANIC(...) do { \
+ SAYit(0, __VA_ARGS__); \
+ _Exit(EXIT_FAILURE); \
+} while (0)
+#else
+#undef TIMEOUT_DEBUG
+#define TIMEOUT_DEBUG 0
+#define DEBUG_LEVEL 0
+
+#define SAYit(...) (void)0
+#endif
+
+#define SAY(...) SAYit(1, __VA_ARGS__)
+#define HAI SAY("HAI")
+
+
+static inline char *fmt_(char *buf, uint64_t ts, int wheel_bit, int wheel_num) {
+ char *p = buf;
+ int wheel, n, i;
+
+ for (wheel = wheel_num - 2; wheel >= 0; wheel--) {
+ n = ((1 << wheel_bit) - 1) & (ts >> (wheel * WHEEL_BIT));
+
+ for (i = wheel_bit - 1; i >= 0; i--) {
+ *p++ = '0' + !!(n & (1 << i));
+ }
+
+ if (wheel != 0)
+ *p++ = ':';
+ }
+
+ *p = 0;
+
+ return buf;
+} /* fmt_() */
+
+#define fmt(ts) fmt_(((char[((1 << WHEEL_BIT) * WHEEL_NUM) + WHEEL_NUM + 1]){ 0 }), (ts), WHEEL_BIT, WHEEL_NUM)
+
+
+static inline char *bin64_(char *buf, uint64_t n, int wheel_bit) {
+ char *p = buf;
+ int i;
+
+ for (i = 0; i < (1 << wheel_bit); i++) {
+ *p++ = "01"[0x1 & (n >> (((1 << wheel_bit) - 1) - i))];
+ }
+
+ *p = 0;
+
+ return buf;
+} /* bin64_() */
+
+#define bin64(ts) bin64_(((char[((1 << WHEEL_BIT) * WHEEL_NUM) + 1]){ 0 }), (ts), WHEEL_BIT)
+
+