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Date: Wed, 30 Mar 2011 08:28:00 -0000
From: Christopher Faylor <cgf-use-the-mailinglist-please@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: SIGFPE in CVS HEAD
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On Tue, Mar 29, 2011 at 11:05:58PM -0500, Yaakov (Cygwin/X) wrote:
>Corinna,
>
>One of your changes post-1.7.9 is causing a SIGFPE in the DLL:
>
>$ cat test.c
>#include <unistd.h>
>int main(void) { sleep(1); return 0; }
>
>$ gcc -o test test.c
>
>$ ./test
>Floating point exception
>
>$ gdb ./test
>GNU gdb (GDB) 7.2
>[snip]
>(gdb) run
>Starting program: /usr/src/src/winsup/cygwin/test
>[New Thread 5684.0xefc]
>warning: section .gnu_debuglink not found in
>/cygdrive/c/cygwin17/bin/cygwin1.dbg
>[New Thread 5684.0xff4]
>
>Program received signal SIGFPE, Arithmetic exception.
>0x610cd147 in nanosleep (rqtp=0x28cc58, rmtp=0x28cc50)
>    at ../../../../winsup/cygwin/signal.cc:114
>114                       + resolution - 1) / resolution) * resolution;
>(gdb) bt
>#0  0x610cd147 in nanosleep (rqtp=0x28cc58, rmtp=0x28cc50)
>    at ../../../../winsup/cygwin/signal.cc:114
>#1  0x610cd3f5 in sleep (seconds=1) at ../../../../winsup/cygwin/signal.cc:159
>#2  0x610ca565 in _sigfe () from /cygdrive/c/cygwin17/bin/cygwin1.dll
>#3  0x00000000 in ?? ()
>(gdb)

I'll bet it's related to the changes to times.cc.

cgf

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