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fix the compilation on Windows and macOS

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This commit is contained in:
Krasimir Angelov
2022-06-29 21:40:51 +02:00
parent 88477a8834
commit 46a9a8f07d
1 changed files with 15 additions and 12 deletions
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27
src/runtime/c/pgf/db.cxx
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@@ -388,7 +388,8 @@ PgfDB::~PgfDB()
#ifndef MREMAP_MAYMOVE
if (fd < 0) {
pthread_rwlock_destroy(&ms->rwlock);
pthread_mutex_destroy(&ms->mutex);
pthread_mutex_destroy(&ms->write_mutex);
pthread_mutex_destroy(&ms->rel_mutex);
::free(ms);
::free(base);
} else
@@ -1675,19 +1676,21 @@ void PgfDB::resize_map(size_t new_size)
throw pgf_systemerror(res);
#else
while(true) {
temp = ms->rwlock;
assert(Writer(temp));
if (WaitingCount(temp) == 0)
while(true) {
temp = ms->rwlock;
assert(Writer(temp));
if (WaitingCount(temp) == 0)
break;
//Note: this is thread-safe (there's guaranteed not to be another EndWrite simultaneously)
//Wake all waiting readers or writers, loop until wake confirmation is received
SetEvent(hRWEvent);
}
//Decrement writer count
if (InterlockedCompareExchange(&ms->rwlock, SetWriter(temp, false), temp) == temp)
break;
//Note: this is thread-safe (there's guaranteed not to be another EndWrite simultaneously)
//Wake all waiting readers or writers, loop until wake confirmation is received
SetEvent(hRWEvent);
}
//Decrement writer count
if (InterlockedCompareExchange(&ms->rwlock, SetWriter(temp, false), temp) == temp)
break;
#endif
}