The OpenNET Project / Index page

[ новости /+++ | форум | теги | ]

Интерактивная система просмотра системных руководств (man-ов)

 ТемаНаборКатегория 
 
 [Cписок руководств | Печать]

plock (3)
  • >> plock (3) ( Solaris man: Библиотечные вызовы )
  •  

    NAME

    plock - lock or unlock into memory process, text, or data
     
    

    SYNOPSIS

    #include <sys/lock.h>
    
    int plock(int op);
    

     

    DESCRIPTION

    The plock() function allows the calling process to lock or unlock into memory its text segment (text lock), its data segment (data lock), or both its text and data segments (process lock). Locked segments are immune to all routine swapping. The effective user ID of the calling process must be super-user to use this call.

    The plock() function performs the function specified by op:

    PROCLOCK

    Lock text and data segments into memory (process lock).

    TXTLOCK

    Lock text segment into memory (text lock).

    DATLOCK

    Lock data segment into memory (data lock).

    UNLOCK

    Remove locks.

     

    RETURN VALUES

    Upon successful completion, 0 is returned. Otherwise, -1 is returned and errno is set to indicate the error.  

    ERRORS

    The plock() function fails and does not perform the requested operation if:

    EAGAIN

    Not enough memory.

    EINVAL

    The op argument is equal to PROCLOCK and a process lock, a text lock, or a data lock already exists on the calling process; the op argument is equal to TXTLOCK and a text lock or a process lock already exists on the calling process; the op argument is equal to DATLOCK and a data lock or a process lock already exists on the calling process; or the op argument is equal to UNLOCK and no lock exists on the calling process.

    EPERM

    The {PRIV_PROC_LOCK_MEMORY} privilege is not asserted in the effective set of the calling process.

     

    USAGE

    The mlock(3C) and mlockall(3C) functions are the preferred interfaces for process locking.  

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    MT-LevelMT-Safe

     

    SEE ALSO

    exec(2), exit(2), fork(2), memcntl(2), mlock(3C), mlockall(3C), attributes(5)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    USAGE
    ATTRIBUTES
    SEE ALSO


    Поиск по тексту MAN-ов: 




    Партнёры:
    PostgresPro
    Inferno Solutions
    Hosting by Hoster.ru
    Хостинг:

    Закладки на сайте
    Проследить за страницей
    Created 1996-2024 by Maxim Chirkov
    Добавить, Поддержать, Вебмастеру