A old patch for count signals too when count syscalls

[Shen Feng]

Hello,

I send the patch a few months ago.
I add a new option -g for strace. This make strace count signals when syscalls
are counted.
The patch is attached. And the changelog:

* defs.h (count_signal): Declare a new function.

* count.c (struct signal_counts): Define it.
(count_signal): New function.
(signal_cmp): New function.
(sig_count_cmp): New function.
(set_sortby): Add sort function for signal.
(call_summary_signal_pers): New function.
(call_summary): Add signal count report.

*strace.c (gflag): Add g option support.
(usage): Likewise.
(main): Likewise.
(trace): Add count signal support.




-- 
Best Regards,
--------------------------------------------------
Shen Feng
Development Dept.I
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
8/F., Civil Defense Building, No.189 Guangzhou Road,
Nanjing, 210029, China
PHONE：+86-25-86630566-950
COINS：79955-950
FAX：+86-25-83317685
MAIL：shen at cn.fujitsu.com
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