File 0001-Align-bundled-c11-threads-tinycthreads-constants-to-.patch of Package librdkafka.20982

From 7915f2a9adf30ca5938945c607b35c9c5a5a63e3 Mon Sep 17 00:00:00 2001
From: Magnus Edenhill <magnus@edenhill.se>
Date: Mon, 6 Apr 2020 12:52:25 +0200
Subject: [PATCH] Align bundled c11 threads (tinycthreads) constants to glibc
 and musl (#2681)

---
 src/tinycthread.h | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/tinycthread.h b/src/tinycthread.h
index 93cec9ff..6644746c 100644
--- a/src/tinycthread.h
+++ b/src/tinycthread.h
@@ -181,16 +181,20 @@ int _tthread_timespec_get(struct timespec *ts, int base);
 #endif
 
 /* Function return values */
-#define thrd_error    0 /**< The requested operation failed */
-#define thrd_success  1 /**< The requested operation succeeded */
-#define thrd_timedout 2 /**< The time specified in the call was reached without acquiring the requested resource */
-#define thrd_busy     3 /**< The requested operation failed because a tesource requested by a test and return function is already in use */
-#define thrd_nomem    4 /**< The requested operation failed because it was unable to allocate memory */
+/* Note: The values are unspecified by C11 but match glibc and musl to make
+ * sure they're compatible for the case where librdkafka was built with
+ * tinycthreads but the runtime libc also provides C11 threads.
+ * The *BSD values are notably different. */
+#define thrd_success  0 /**< The requested operation succeeded */
+#define thrd_busy     1 /**< The requested operation failed because a tesource requested by a test and return function is already in use */
+#define thrd_error    2 /**< The requested operation failed */
+#define thrd_nomem    3 /**< The requested operation failed because it was unable to allocate memory */
+#define thrd_timedout 4 /**< The time specified in the call was reached without acquiring the requested resource */
 
 /* Mutex types */
 #define mtx_plain     0
-#define mtx_timed     1
-#define mtx_recursive 2
+#define mtx_recursive 1
+#define mtx_timed     2
 
 /* Mutex */
 #if defined(_TTHREAD_WIN32_)
-- 
2.32.0