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Implement isc_rwlock_downgrade using pthreads and single atomic_bool

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Ondřej Surý
2018-11-22 11:42:12 +01:00
parent 64fbffbbaa
commit 4501f646ee
2 changed files with 27 additions and 3 deletions
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1
lib/isc/include/isc/rwlock.h
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@@ -36,6 +36,7 @@ typedef enum {
struct isc_rwlock {
pthread_rwlock_t rwlock;
atomic_bool downgrade;
};
#else /* HAVE_PTHREAD_RWLOCK_RDLOCK */