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Attributes to local varables of class
- From: Brij Bihari Pandey <fuzzhead012 at yahoo dot com>
- To: ecos-discuss at sources dot redhat dot com
- Date: Tue, 13 May 2003 06:47:06 -0700 (PDT)
- Subject: [ECOS] Attributes to local varables of class
hi,
In "packages/kernel/current/include/intr.hxx", class
Cyg_Interrupt, this small section puzzles me --
-----------------------------------------------------
#ifdef CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST
// Number of DSR posts made
volatile cyg_ucount32 dsr_count
CYGBLD_ANNOTATE_VARIABLE_INTR;
// next DSR in list
Cyg_Interrupt* volatile next_dsr
CYGBLD_ANNOTATE_VARIABLE_INTR;
// static list of pending DSRs
static Cyg_Interrupt* volatile
dsr_list[CYGNUM_KERNEL_CPU_MAX]
CYGBLD_ANNOTATE_VARIABLE_INTR;
#endif
--------------------------------------------------
I am puzzled about - if this code functions then it
allows me to have data local to a class object,
sitting somewhere outside the object. As far as my
simple knowledge about c++ goes. it can't be possible.
Is attribute specification with local members
dsr_count and next_dsr something that has somehow got
ignored
OR
these variables were also intended to be static like
dsr_list
hope that someone can clear this puzzle.
thanks
brij
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