eax            0x52ba	21178
ecx            0x8a7a3f8	145204216
edx            0x1	1
ebx            0xb7ae3ff4	-1213317132
esp            0xb1a8928c	0xb1a8928c
ebp            0xb1a892d8	0xb1a892d8
esi            0x0	0
edi            0x0	0
eip            0xb7ad6540	0xb7ad6540 <pthread_mutex_lock+32>
eflags         0x10282	[ SF IF RF ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51