-
公开(公告)号:CA2086691C
公开(公告)日:1997-04-08
申请号:CA2086691
申请日:1993-01-05
Applicant: IBM
Inventor: ELKO DAVID A , HELFFRICH AUDREY A , ISENBERG JOHN F JR , MOORE BRIAN B , NICK JEFFREY M , SWANSON MICHAEL D , WILLIAMS JOSEPH A
IPC: G06F13/00 , G06F13/12 , G06F15/17 , G06F15/173 , G06F9/44
Abstract: A mechanism for communicating messages, each including a command and a response, in a network having central processing complexes (CPCs) and one or more coupling facilities. Each coupling facility has a central processor for executing instructions and a main storage. Messages are sent from a message control block in the main storage of the CPC sending the message, and the response to the message is received in a message response block of the CPC without an interrupt to the program being executed by the central processor of the CPC. Each message from a CPC to the coupling facility may include a command and an indicator bit which instructs the coupling facility to execute the command either in synchronism with or asynchronously to the execution of the sending processor. The coupling facility executes the command and returns a response which is received in a message response block of the main storage of the sending CPC without an interrupt to any program being executed by the central processor of that CPC.
-
公开(公告)号:GB2365561B
公开(公告)日:2004-06-16
申请号:GB0030228
申请日:2000-12-12
Applicant: IBM
-
公开(公告)号:CA2086691A1
公开(公告)日:1993-10-01
申请号:CA2086691
申请日:1993-01-05
Applicant: IBM
Inventor: ELKO DAVID A , HELFFRICH AUDREY A , ISENBERG JOHN F JR , MOORE BRIAN B , NICK JEFFREY M , SWANSON MICHAEL D , WILLIAMS JOSEPH A
IPC: G06F13/00 , G06F13/12 , G06F15/17 , G06F15/173 , G06F9/44
Abstract: A mechanism for communicating messages, each including a command and a response, in a network having central processing complexes (CPCs) and one or more coupling facilities. Each coupling facility has a central processor for executing instructions and a main storage. Messages are sent from a message control block in the main storage of the CPC sending the message, and the response to the message is received in a message response block of the CPC without an interrupt to the program being executed by the central processor of the CPC. Each message from a CPC to the coupling facility may include a command and an indicator bit which instructs the coupling facility to execute the command either in synchronism with or asynchronously to the execution of the sending processor. The coupling facility executes the command and returns a response which is received in a message response block of the main storage of the sending CPC without an interrupt to any program being executed by the central processor of that CPC.
-
公开(公告)号:GB2365561A
公开(公告)日:2002-02-20
申请号:GB0030228
申请日:2000-12-12
Applicant: IBM
Inventor: GUSKI RICHARD H , DILLENBERGER DONNA N , FARRELL WALTER B , HERZBERG AMIR , KOVED LAWRENCE , NADALIN ANTHONY J , RELLER DUANE F , SHIN JOHN H , SHMUELI ANAT S , SZCZYGIELSKI THOMAS J , THOMPSON JOHN M , WILLIAMS JOSEPH A
Abstract: In a multi-user application environment with Java, both codesource access checking and verification of the user who is executing code are employed for access checking. An end user uses a Web browser to access a Web server. An execution thread is established for an end user. The HTTP page and function requested by the user cause the Web application server to invoke a Java Virtual Machine (JVM) which in turn invokes a requested Java servlet. When the Secure Class Loader loads a Java class into the JVM, the code base Uniform URL and the Digital Certificate that was used to sign the class are used by the Secure Class Loader to create the codesource Java object. The JVM includes a Java Security Manager (JSM) class that invokes classes that invoke an underlying system security manager. Conditional access checking includes the capability to control access to resources based on the user and on the Java servlet classes being executed. If the codesource indicated by a Conditional Access List matches the codesource specified in the profile, the system security manager will allow access.
-
公开(公告)号:BR9301109A
公开(公告)日:1993-10-05
申请号:BR9301109
申请日:1993-03-09
Applicant: IBM
Inventor: ELKO DAVID A , HELLFRICH AUDREY A , ISENBERG JOHN F JR , MOORE BRIAN B , NICK JEFFREY M , SWANSON MICHAEL D , WILLIAMS JOSEPH A
IPC: G06F13/00 , G06F13/12 , G06F15/17 , G06F15/173
Abstract: A mechanism for communicating messages, each including a command and a response, in a network having central processing complexes (CPCs) and one or more coupling facilities. Each coupling facility has a central processor for executing instructions and a main storage. Messages are sent from a message control block in the main storage of the CPC sending the message, and the response to the message is received in a message response block of the CPC without an interrupt to the program being executed by the central processor of the CPC. Each message from a CPC to the coupling facility may include a command and an indicator bit which instructs the coupling facility to execute the command either in synchronism with or asynchronously to the execution of the sending processor. The coupling facility executes the command and returns a response which is received in a message response block of the main storage of the sending CPC without an interrupt to any program being executed by the central processor of that CPC.
-
-
-
-