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| author | Hallvard Furuseth <hallvard@openldap.org> | 2016-09-27 07:03:40 +0200 |
|---|---|---|
| committer | Hallvard Furuseth <hallvard@openldap.org> | 2016-10-04 21:16:27 +0200 |
| commit | 6355dade31e35af5527e9139a39fc1e3a5da04fd (patch) | |
| tree | edd4d98d91db55393393248fc27ce141d051df62 | |
| parent | 04acac634a7b276332e2cc4d389b8d647a0a7fad (diff) | |
| download | lmdb-6355dade31e35af5527e9139a39fc1e3a5da04fd.tar.gz lmdb-6355dade31e35af5527e9139a39fc1e3a5da04fd.tar.bz2 lmdb-6355dade31e35af5527e9139a39fc1e3a5da04fd.zip | |
ITS#8505 Protect parent from fork()-pthread_exit()
| -rw-r--r-- | libraries/liblmdb/mdb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 27582ae..af365b3 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -4747,7 +4747,11 @@ mdb_env_reader_dest(void *ptr) { MDB_reader *reader = ptr; - reader->mr_pid = 0; +#ifndef _WIN32 + if (reader->mr_pid == getpid()) /* catch pthread_exit() in child process */ +#endif + /* We omit the mutex, so do this atomically (i.e. skip mr_txnid) */ + reader->mr_pid = 0; } #ifdef _WIN32 |