2004-07-21 Frank Ch. Eigler <fche@redhat.com>

[pf3gnuchains/gcc-fork.git] / libmudflap / mf-hooks3.c

diff --git a/libmudflap/mf-hooks3.c b/libmudflap/mf-hooks3.c
index 00fb372..b844ee5 100644 (file)
--- a/libmudflap/mf-hooks3.c
+++ b/libmudflap/mf-hooks3.c
@@ -172,6 +172,10 @@ __mf_allocate_blank_threadinfo (unsigned* idx)
    making an early call into libmudflap.  In these cases, create a new
    entry.  If not it's not the main thread, put it into reentrant
    initial state.
+
+   NB: VERBOSE_TRACE type functions are not generally safe to call
+   from this context, since a new thread might just be "booting up",
+   making printf unsafe to call.
 */
 static struct pthread_info* 
 __mf_find_threadinfo ()
@@ -225,7 +229,7 @@ __mf_find_threadinfo ()
          /* NB: leave stack-related fields unset, to avoid
             deallocation.  */
          main_thread_seen_p = 1;
-         VERBOSE_TRACE ("identified self as main thread\n");
+         /* VERBOSE_TRACE ("identified self as main thread\n"); */
        }
       else
        {
@@ -236,15 +240,17 @@ __mf_find_threadinfo ()
          /* NB: leave stack-related fields unset, leaving pthread_create
             to fill them in for user threads, leaving them empty for
             other threads.  */
-         VERBOSE_TRACE ("identified self as new aux or user thread\n");
+         /* VERBOSE_TRACE ("identified self as new aux or user thread\n"); */
        }
     }
 
   if (last != it)
     {
+      /*
       VERBOSE_TRACE ("found threadinfo for %u, slot %u\n", 
                     (unsigned) it,
                     (unsigned) *hash);
+      */
       last = it;
     }