Operating Systems: Design and ImplementationPrentice-Hall, 1987 - 719 Seiten From one of America's leading authors of computer science books comes complete coverage of operating systems, plus all the design and implementation issues with a complete operating system--MINIX. |
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Seite 127
... deadlock ; if not , there is no deadlock . Resource graphs can also be generalized to handle multiple resources of the same type ( Holt , 1972 ) . In general , four strategies are used for dealing with deadlocks . 1. Just ignore the ...
... deadlock ; if not , there is no deadlock . Resource graphs can also be generalized to handle multiple resources of the same type ( Holt , 1972 ) . In general , four strategies are used for dealing with deadlocks . 1. Just ignore the ...
Seite 128
... deadlock to a rule restricting all users to one process , one open file , and one of everything . If deadlocks could be eliminated for free , there would not be much discussion . The problem is that the price is high , mostly in terms ...
... deadlock to a rule restricting all users to one process , one open file , and one of everything . If deadlocks could be eliminated for free , there would not be much discussion . The problem is that the price is high , mostly in terms ...
Seite 130
... deadlock is present . A minor variation of this algorithm is to drop the requirement that resources be acquired in strictly increasing sequence , and merely insist that no process request a resource lower than what it is already holding ...
... deadlock is present . A minor variation of this algorithm is to drop the requirement that resources be acquired in strictly increasing sequence , and merely insist that no process request a resource lower than what it is already holding ...
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Operating Systems: Design and Implementation Andrew S. Tanenbaum,Albert S. Woodhull Keine Leseprobe verfügbar - 2009 |
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address space algorithm allocated bit map buffer bytes cache caller char character clock command compiler contains controller copy data segment deadlock define device drivers disk block diskette entry error example EXEC executed extern struct file descriptor file system filp flag floppy disk FORK fsck hardware header hole i-node IBM PC implement include h/const.h inode input interrupt kernel linked loop machine memory manager MINIX MINIX file system mode mounted MS-DOS needed no_sys operating system output page fault parameters password pointer problem proc proc_nr procedure process table PUBLIC int queue RAM disk register struct request return(OK scheduling semaphore server SETUID shown in Fig signal slot special file stack struct inode super_block system call task terminal UNIX update user process variables video RAM vir_bytes virtual address waiting zone