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UNIX for Beginners Questions & Answers
How to change allocated memory for a process?
Post 303034115 by RudiC on Thursday 18th of April 2019 03:45:12 PM
04-18-2019
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LEARN ABOUT OSF1
async_daemon
async_daemon(2) System Calls Manual async_daemon(2) NAME
async_daemon - Creates a local NFS asynchronous I/O server SYNOPSIS
async_daemon( unsigned long iod_num, unsigned long magic); PARAMETERS
Specifies the number of I/O threads to run. For Tru64 UNIX, this is 950410. If a different value is used, seven NFS I/O threads are run. DESCRIPTION
The use of the async_daemon() function is not supported in customer applications, and the interface is subject to change without notice. It is intended for use solely by nfsiod(8). The async_daemon() function starts iod_num NFS I/O kernel threads that are used to improve NFS I/O performance. This function does not return to the caller, but remains in the kernel to provide additional support for NFS over TCP. RETURN VALUES
The async_daemon function has no successful return. In fact, it frees the text and data segments associated with the calling program so there is nothing to return to. When interrupted by a KILL signal, the I/O threads are terminated and the process exits. If the async_dae- mon function encounters errors, , -1 is returned and errno is set to indicate the error. ERRORS
If the async_daemon() function fails, errno may be set to the following value: The async_daemon function has already been called by another process. The caller is not the superuser. More than 64 I/O threads were requested. The kernel memory allocator has no memory. RELATED INFORMATION
Functions: nfssvc(2) Commands: nfsiod(8) delim off async_daemon(2)