AWK Command Post: 302682883

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LEARN ABOUT OSF1

rad_fork

rad_fork(3)						     Library Functions Manual						       rad_fork(3)

NAME

       rad_fork - Creates a new process on a Resource Affinity Domain (libnuma library)

SYNOPSIS

       #include <numa.h>

       pid_t rad_fork(
	       radid_t radid,
	       ulong_t flags );

PARAMETERS

       Identifies  a  Resource	Affinity  Domain (RAD) on which to allocate data and schedule threads for a new process.  Specifies options (a bit
       mask) that affect the attachment or binding operation. See DESCRIPTION for details.

DESCRIPTION

       The rad_fork() function behaves the same as nfork() when the latter specifies a resource type of  R_RAD	and  a	resource  descriptor  that
       points  to a RAD set containing a single RAD identifier. For a description of this behavior, refer to the description of the R_RAD resource
       type in nfork(3).

       The following option is specified for the flags argument: This option specifies that any processes later forked by  the	specified  process
       will not inherit the parent's RAD assignment.

	      By default, any child processes will be assigned to the same home RAD as their parent process, and will be attached or bound to that
	      RAD if the parent was attached or bound.

RETURN VALUES

       Success (returned to the child process). In this case, the function also returns the process ID of the child process to the parent process.

	      The child process and all of its data structures are allocated on the RAD specified by the radid argument. In addition, the  initial
	      thread  of the child process is sceduled on one of the CPUs in the specified RAD.  Failure (returned to the parent process). In this
	      case, no child process is created and the function sets errno to indicate the error.

ERRORS

       The limit on the total number of processes executing for a single user would be exceeded. This limit can be  exceeded  by  a  process  with
       superuser privilege.  The radid argument specifies an invalid RAD identifier.  There is insufficient memory to create this process.

SEE ALSO

       Functions: nfork(3), nloc(3), numa_intro(3), radsetops(3)

       Files: numa_types(4)

																       rad_fork(3)