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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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| Software | : | Apache. PHP/5.3.6-13ubuntu3.10 |
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| ID | : | uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
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| Safe Mode | : | OFF |
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| Freespace | : | 21.39 GB of 70.42 GB (30.37%) |
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MySQL: ON MSSQL: OFF Oracle: OFF PostgreSQL: OFF Curl: OFF Sockets: ON Fetch: OFF Wget: ON Perl: ON |
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Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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[ Processes ]
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[ Back Connection ]
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[ Kill Shell ]
[ FTP Brute-Force ]
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/
usr/
src/
linux-headers-3.0.0-14/
arch/
sparc/
include/
asm/
- drwxr-xr-x
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Viewing file:  smpprim.h (1.18 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* smpprim.h: SMP locking primitives on the Sparc
*
* God knows we won't be actually using this code for some time
* but I thought I'd write it since I knew how.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef __SPARC_SMPPRIM_H
#define __SPARC_SMPPRIM_H
/* Test and set the unsigned byte at ADDR to 1. Returns the previous
* value. On the Sparc we use the ldstub instruction since it is
* atomic.
*/
static inline __volatile__ char test_and_set(void *addr)
{
char state = 0;
__asm__ __volatile__("ldstub [%0], %1 ! test_and_set\n\t"
"=r" (addr), "=r" (state) :
"0" (addr), "1" (state) : "memory");
return state;
}
/* Initialize a spin-lock. */
static inline __volatile__ smp_initlock(void *spinlock)
{
/* Unset the lock. */
*((unsigned char *) spinlock) = 0;
return;
}
/* This routine spins until it acquires the lock at ADDR. */
static inline __volatile__ smp_lock(void *addr)
{
while(test_and_set(addr) == 0xff)
;
/* We now have the lock */
return;
}
/* This routine releases the lock at ADDR. */
static inline __volatile__ smp_unlock(void *addr)
{
*((unsigned char *) addr) = 0;
}
#endif /* !(__SPARC_SMPPRIM_H) */
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