diff options
Diffstat (limited to 'cpukit/libcsupport/src/sync.c')
| -rw-r--r-- | cpukit/libcsupport/src/sync.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/cpukit/libcsupport/src/sync.c b/cpukit/libcsupport/src/sync.c index 8d1f52e725..ad1ac0e052 100644 --- a/cpukit/libcsupport/src/sync.c +++ b/cpukit/libcsupport/src/sync.c @@ -55,15 +55,19 @@ static void sync_wrapper(FILE *f) static void sync_per_thread(Thread_Control *t) { struct _reent *current_reent; + struct _reent *this_reent; /* * The sync_wrapper() function will operate on the current thread's * reent structure so we will temporarily use that. */ - current_reent = _Thread_Executing->libc_reent; - _Thread_Executing->libc_reent = t->libc_reent; - _fwalk (t->libc_reent, sync_wrapper); - _Thread_Executing->libc_reent = current_reent; + this_reent = t->libc_reent; + if ( this_reent ) { + current_reent = _Thread_Executing->libc_reent; + _Thread_Executing->libc_reent = this_reent; + _fwalk (t->libc_reent, sync_wrapper); + _Thread_Executing->libc_reent = current_reent; + } } int sync(void) |