diff options
| -rw-r--r-- | libstdc++-v3/ChangeLog | 7 | ||||
| -rw-r--r-- | libstdc++-v3/src/mt_allocator.cc | 4 |
2 files changed, 10 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 9509eba9237..c87cda9c385 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2004-10-06 Benjamin Kosnik <bkoz@redhat.com> + Paolo Carlini <pcarlini@suse.de> + + PR libstdc++/17780 + * src/mt_allocator.cc (__pool<true>::_M_reserve_block): Revert + to old locking order. + 2004-10-06 Paolo Carlini <pcarlini@suse.de> * include/std/std_sstream.h (_M_sync): When the caller is diff --git a/libstdc++-v3/src/mt_allocator.cc b/libstdc++-v3/src/mt_allocator.cc index 066726b0367..1e45f4cfb1b 100644 --- a/libstdc++-v3/src/mt_allocator.cc +++ b/libstdc++-v3/src/mt_allocator.cc @@ -298,10 +298,13 @@ namespace __gnu_cxx _Block_record* __block = NULL; if (__gthread_active_p()) { + __gthread_mutex_lock(__bin._M_mutex); if (__bin._M_first[0] == NULL) { // No need to hold the lock when we are adding a whole // chunk to our own list. + __gthread_mutex_unlock(__bin._M_mutex); + void* __v = ::operator new(__options._M_chunk_size); __bin._M_first[__thread_id] = static_cast<_Block_record*>(__v); __bin._M_free[__thread_id] = __block_count; @@ -327,7 +330,6 @@ namespace __gnu_cxx // Is the number of required blocks greater than or equal // to the number that can be provided by the global free // list? - __gthread_mutex_lock(__bin._M_mutex); __bin._M_first[__thread_id] = __bin._M_first[0]; if (__block_count >= __bin._M_free[0]) { |
