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pool_resource_create(3pool) [freebsd man page]

pool_resource_create(3POOL)			 Pool Configuration Manipulation Library Functions		       pool_resource_create(3POOL)

NAME
pool_resource_create, pool_resource_destroy, pool_resource_info, pool_query_resource_components, pool_resource_transfer, pool_resource_xtransfer - resource pool resource manipulation functions SYNOPSIS
cc [ flag... ] file... -lpool [ library... ] #include <pool.h> pool_resource_t *pool_resource_create(pool_conf_t *conf, const char *type, const char *name); int pool_resource_destroy(pool_conf_t *conf, pool_resource_t *resource); const char *pool_resource_info(pool_conf_t *conf, pool_resource_t *resource, int flags); pool_component_t **pool_query_resource_components(pool_conf_t *conf, pool_resource_t *resource, uint_t *nelem, pool_value_t **props); int pool_resource_transfer(pool_conf_t *conf, pool_resource_t *source, pool_resource_t *target, uint64_t size); int pool_resource_xtransfer(pool_conf_t *conf, pool_resource_t *source, pool_resource_t *target, pool_component_t **components); DESCRIPTION
The pool_resource_create() function creates and returns a new resource of the given name and type in the provided configuration. If there is already a resource of the given name, the operation will fail. The pool_resource_destroy() function removes the specified resource from its configuration file. The pool_resource_info() function returns a string describing the given resource. The string is allocated with malloc(3C). The caller is reponsible for freeing the returned string. If the flags argument is non-zero, the string returned also describes the components (if any) contained in the resource. The pool_query_resource_components() function returns a null-terminated array of the components (if any) that comprise the given resource. The pool_resource_transfer() function transfers size basic units from the source resource to the target. Both resources must be of the same type for the operation to succeed. Transferring component resources, such as processors, is always performed as series of pool_resource_xtransfer() operations, since discrete resources must be identified for transfer. The pool_resource_xtransfer() function transfers the specific components from the source resource to the target. Both resources must be of the same type, and of a type that contains components (such as processor sets). The components argument is a null-terminated list of pool_component_t. The conf argument for each function refers to the target configuration to which the operation applies. RETURN VALUES
Upon successful completion, pool_resource_create() returns a new pool_resource_t with default properties initialized. Otherwise, NULL is returned and pool_error(3POOL) returns the pool-specific error value. Upon successful completion, pool_resource_destroy() returns 0. Otherwise, -1 is returned and pool_error() returns the pool-specific error value. Upon successful completion, pool_resource_info() returns a string describing the given resource (and optionally its components). Otherwise, NULL is returned and pool_error() returns the pool-specific error value. Upon successful completion, pool_query_resource_components() returns a null-terminated array of pool_component_t * that match the provided null-terminated property list and are contained in the given resource. Otherwise, NULL is returned and pool_error() returns the pool-spe- cific error value. Upon successful completion, pool_resource_transfer() and pool_resource_xtransfer() return 0. Otherwise -1 is returned and pool_error() returns the pool-specific error value. ERRORS
The pool_resource_create() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID or name is in use for this resource type. POE_INVALID_CONF The resource element could not be created because the configuration would be invalid. POE_PUTPROP One of the supplied properties could not be set. POE_SYSTEM A system error has occurred. Check the system error code for more details. The pool_resource_destroy() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID. The pool_resource_info() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID or the flags paramter is neither 0 nor 1. POE_INVALID_CONF The configuration is invalid. POE_SYSTEM A system error has occurred. Check the system error code for more details. The pool_query_resource_components() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID. POE_INVALID_CONF The configuration is invalid. POE_SYSTEM A system error has occurred. Check the system error code for more details. The pool_resource_transfer() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID, the two resources are not of the same type, or the transfer would cause either of the resources to exceed their min and max properties. POE_SYSTEM A system error has occurred. Check the system error code for more details. The pool_resource_xtransfer() function will fail if: POE_BADPARAM The supplied configuration's status is not POF_VALID, the two resources are not of the same type, or the supplied resources do not belong to the source. POE_INVALID_CONF The transfer operation failed and the configuration may be invalid. POE_SYSTEM A system error has occurred. Check the system error code for more details. EXAMPLES
Example 1: Create a new resource of type pset named foo. #include <pool.h> #include <stdio.h> ... pool_conf_t *conf; pool_resource_t *resource; ... if ((resource = pool_resource_create(conf, "pset", "foo")) == NULL) { (void) fprintf(stderr, "Cannot create resource0 ... } ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ |Interface Stability |Unstable | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
libpool(3LIB), pool_error(3POOL), attributes(5) SunOS 5.10 23 Sep 2003 pool_resource_create(3POOL)

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