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-rw-r--r--lib/libpthread/thread/thr_private.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libpthread/thread/thr_private.h b/lib/libpthread/thread/thr_private.h
index 7d5bf89..e4b377a 100644
--- a/lib/libpthread/thread/thr_private.h
+++ b/lib/libpthread/thread/thr_private.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
+ * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -278,6 +278,13 @@ union pthread_wait_data {
*/
struct pthread {
/*
+ * Magic value to help recognize a valid thread structure
+ * from an invalid one:
+ */
+#define PTHREAD_MAGIC ((u_int32_t) 0xd09ba115)
+ u_int32_t magic;
+
+ /*
* Pointer to the next thread in the thread linked list.
*/
struct pthread *nxt;
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