From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 17 Jun 1999 10:40:55 +0000 (+0000)
Subject: Keep lock while printing output lines.
X-Git-Tag: cvs/glibc_2-1-2~392
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ca754c997a754ee36302eee6aca547f0b7655709;p=thirdparty%2Fglibc.git

Keep lock while printing output lines.
---

diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index 6af064c6ced..c539cb47eab 100644
--- a/malloc/mtrace.c
+++ b/malloc/mtrace.c
@@ -127,9 +127,11 @@ tr_freehook (ptr, caller)
      __ptr_t ptr;
      const __ptr_t caller;
 {
+  __libc_lock_lock (lock);
   tr_where (caller);
   /* Be sure to print it first.  */
   fprintf (mallstream, "- %p\n", ptr);
+  __libc_lock_unlock (lock);
   if (ptr == mallwatch)
     tr_break ();
   __libc_lock_lock (lock);
@@ -159,12 +161,12 @@ tr_mallochook (size, caller)
     hdr = (__ptr_t) malloc (size);
   __malloc_hook = tr_mallochook;
 
-  __libc_lock_unlock (lock);
-
   tr_where (caller);
   /* We could be printing a NULL here; that's OK.  */
   fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size);
 
+  __libc_lock_unlock (lock);
+
   if (hdr == mallwatch)
     tr_break ();
 
@@ -196,8 +198,6 @@ tr_reallochook (ptr, size, caller)
   __malloc_hook = tr_mallochook;
   __realloc_hook = tr_reallochook;
 
-  __libc_lock_unlock (lock);
-
   tr_where (caller);
   if (hdr == NULL)
     /* Failed realloc.  */
@@ -211,6 +211,8 @@ tr_reallochook (ptr, size, caller)
       fprintf (mallstream, "> %p %#lx\n", hdr, (unsigned long int) size);
     }
 
+  __libc_lock_unlock (lock);
+
   if (hdr == mallwatch)
     tr_break ();