1 ---Thread-Announcement------------------------------------------ 2 3 Thread #x was created 4 ... 5 by 0x........: pthread_create@* (hg_intercepts.c:...) 6 by 0x........: main (locked_vs_unlocked1.c:34) 7 8 ---Thread-Announcement------------------------------------------ 9 10 Thread #x was created 11 ... 12 by 0x........: pthread_create@* (hg_intercepts.c:...) 13 by 0x........: main (locked_vs_unlocked1.c:29) 14 15 ---------------------------------------------------------------- 16 17 Lock at 0x........ was first observed 18 at 0x........: pthread_mutex_lock (hg_intercepts.c:...) 19 by 0x........: child_fn (locked_vs_unlocked1.c:18) 20 by 0x........: mythread_wrapper (hg_intercepts.c:...) 21 ... 22 23 Possible data race during write of size 4 at 0x........ by thread #x 24 Locks held: none 25 at 0x........: child_fn (locked_vs_unlocked1.c:19) 26 by 0x........: mythread_wrapper (hg_intercepts.c:...) 27 ... 28 29 This conflicts with a previous write of size 4 by thread #x 30 Locks held: 1, at address 0x........ 31 at 0x........: child_fn (locked_vs_unlocked1.c:19) 32 by 0x........: mythread_wrapper (hg_intercepts.c:...) 33 ... 34 Address 0x........ is 0 bytes inside data symbol "x" 35 36