brbzull0 commented on a change in pull request #7611:
URL: https://github.com/apache/trafficserver/pull/7611#discussion_r599028613
##########
File path: include/tscore/ink_rwlock.h
##########
@@ -30,14 +30,20 @@
#pragma once
#include "tscore/ink_error.h"
+#include "tscore/ink_assert.h"
#include <pthread.h>
typedef pthread_rwlock_t ink_rwlock;
void ink_rwlock_init(ink_rwlock *rw);
void ink_rwlock_destroy(ink_rwlock *rw);
-static inline void
+// Instead of calling ink_rwlock_init(), an ink_rwlock instance can be
initialized with one of thsee values.
+//
+ink_rwlock const INK_RWLOCK_INIT =
PTHREAD_RWLOCK_INITIALIZER;
+ink_rwlock const INK_RWLOCK_INIT_NO_WRITER_STARVATION =
PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP;
Review comment:
```
[dmeden@bsd1 ~/code/walt]$ clang++ --version
FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM
8.0.1)
[dmeden@bsd1 ~/code/walt]$ clang++ x.cc --std=c++17 -lpthread
[dmeden@bsd1 ~/code/walt]$ ./a.out
good
```
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