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Old 12-20-2006, 04:00 AM   #1
hegdeshashi
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Registered: Dec 2005
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shared memory


Hi,

I am having 2 programs for server & client shared memory ,
I want to check,how memory segments are working.

Can any one give me brief idea about.
 
Old 12-20-2006, 07:14 AM   #2
hegdeshashi
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Registered: Dec 2005
Posts: 73
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Hello

I am unable to compile this programs.
http://cis.poly.edu/muller/CS623/unixsharedmemory.htm
==========================================
: gcc -o client_shm client_shm.c
/tmp/cc4rdKrD.o(.text+0x4a): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0x7e): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0x90): In function `main':
: undefined reference to `sem_create'
/tmp/cc4rdKrD.o(.text+0xae): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0xc0): In function `main':
: undefined reference to `sem_create'
/tmp/cc4rdKrD.o(.text+0xde): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0x112): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0x145): In function `main':
: undefined reference to `err_sys'
/tmp/cc4rdKrD.o(.text+0x156): In function `main':
: undefined reference to `sem_close'
/tmp/cc4rdKrD.o(.text+0x167): In function `main':
: undefined reference to `sem_close'
/tmp/cc4rdKrD.o(.text+0x189): In function `client':
: undefined reference to `sema_wait'
/tmp/cc4rdKrD.o(.text+0x1d9): In function `client':
: undefined reference to `sys_err_str'
/tmp/cc4rdKrD.o(.text+0x237): In function `client':
: undefined reference to `sem_signal'
/tmp/cc4rdKrD.o(.text+0x24: In function `client':
: undefined reference to `sem_wait'
/tmp/cc4rdKrD.o(.text+0x28f): In function `client':
: undefined reference to `sem_signal'
/tmp/cc4rdKrD.o(.text+0x2a0): In function `client':
: undefined reference to `sem_wait'
/tmp/cc4rdKrD.o(.text+0x2ec): In function `client':
: undefined reference to `sem_signal'
collect2: ld returned 1 exit status
[root@localhost 20]# gcc -o client_shm client_shm.c
/tmp/cccuk2D3.o(.text+0x4a): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0x7e): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0x90): In function `main':
: undefined reference to `sem_create'
/tmp/cccuk2D3.o(.text+0xae): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0xc0): In function `main':
: undefined reference to `sem_create'
/tmp/cccuk2D3.o(.text+0xde): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0x112): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0x145): In function `main':
: undefined reference to `err_sys'
/tmp/cccuk2D3.o(.text+0x156): In function `main':
: undefined reference to `sem_close'
/tmp/cccuk2D3.o(.text+0x167): In function `main':
: undefined reference to `sem_close'
/tmp/cccuk2D3.o(.text+0x189): In function `client':
: undefined reference to `sema_wait'
/tmp/cccuk2D3.o(.text+0x1d9): In function `client':
: undefined reference to `sys_err_str'
/tmp/cccuk2D3.o(.text+0x237): In function `client':
: undefined reference to `sem_signal'
/tmp/cccuk2D3.o(.text+0x24: In function `client':
: undefined reference to `sem_wait'
/tmp/cccuk2D3.o(.text+0x28f): In function `client':
: undefined reference to `sem_signal'
/tmp/cccuk2D3.o(.text+0x2a0): In function `client':
: undefined reference to `sem_wait'
/tmp/cccuk2D3.o(.text+0x2ec): In function `client':
: undefined reference to `sem_signal'
collect2: ld returned 1 exit status

==========================

is it correct?
 
  


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