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[Bug-gnubg] multithread closing bug

From: Christian Anthon
Subject: [Bug-gnubg] multithread closing bug
Date: Fri, 4 May 2007 23:06:58 +0200

Hi Jon and others,

most of the time when I close the mt version I get the following error on exit

GThread-ERROR **: file gthread-posix.c: line 171 (): error 'Device or
resource busy' during 'pthread_mutex_destroy ((pthread_mutex_t *)

with the corresponding back-trace

#0  0x0091a402 in __kernel_vsyscall ()
#1  0x437a9f30 in raise () from /lib/libc.so.6
#2  0x437ab781 in abort () from /lib/libc.so.6
#3  0x43951f6a in g_logv () from /lib/libglib-2.0.so.0
#4  0x43951fa9 in g_log () from /lib/libglib-2.0.so.0
#5  0x442501da in ?? () from /lib/libgthread-2.0.so.0
#6  0x080f725d in FreeMutex (mutex=0xcd6f8b8) at multithread.c:155
#7  0x080f7e2f in MT_Close () at multithread.c:521
#8  0x0806c536 in Shutdown () at gnubg.c:3749
#9  0x08075e33 in main (argc=1, argv=0xbfce2654) at gnubg.c:6847

It is as far as I can tell always the line (521)
that causes the problem. A g_usleep(1000) (that is 1ms) added just
after MT_CloseThreads, seems to cure the problem.

Not a very serious problem obviously, but it might be an indication of
a more fundamental problem.


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