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ircd::db: Add some arbitrary sanity checks on port structures.

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This commit is contained in:
Jason Volk 2018-08-18 18:20:38 -07:00
parent 926a125303
commit e2c17d2595
1 changed files with 21 additions and 0 deletions
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21
ircd/db.cc
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@ -3190,6 +3190,13 @@ noexcept
// Mutex
//
static_assert
(
sizeof(rocksdb::port::Mutex) <= sizeof(pthread_mutex_t) + 1,
"link-time punning of our structure won't work if the structure is larger "
"than the one rocksdb has assumed space for."
);
rocksdb::port::Mutex::Mutex()
{
#ifdef RB_DEBUG_DB_PORT_
@ -3267,6 +3274,13 @@ rocksdb::port::Mutex::AssertHeld()
// RWMutex
//
static_assert
(
sizeof(rocksdb::port::RWMutex) <= sizeof(pthread_rwlock_t),
"link-time punning of our structure won't work if the structure is larger "
"than the one rocksdb has assumed space for."
);
rocksdb::port::RWMutex::RWMutex()
{
#ifdef RB_DEBUG_DB_PORT_
@ -3347,6 +3361,13 @@ rocksdb::port::RWMutex::WriteUnlock()
// CondVar
//
static_assert
(
sizeof(rocksdb::port::CondVar) <= sizeof(pthread_cond_t) + sizeof(void *),
"link-time punning of our structure won't work if the structure is larger "
"than the one rocksdb has assumed space for."
);
rocksdb::port::CondVar::CondVar(Mutex *mu)
:mu{mu}
{