- error interface to resource pools library
cc [ flag… ] file… -lpool [ library… ] #include <pool.h> int pool_error(void);
const char *pool_strerror(int perr);
The pool_error() function returns the error value of the last failure recorded by the invocation of one of the functions of the resource pool configuration library, libpool.
The pool_strerror() function returns a descriptive null-terminated string for each of the valid pool error codes.
The following error codes can be returned by pool_error():
The pool_error() function returns the current pool error value for the calling thread from among the following:
The operation could not be performed because the configuration was not opened with the correct opening permissions.
A bad parameter was supplied.
An incorrect property type was submitted or encountered during the pool operation.
An error occurred within permanent storage.
The pool configuration presented for the operation is invalid.
A query whose outcome set was empty was attempted.
An unsupported operation was attempted.
An attempt to write a read-only property was made.
The previous pool operation succeeded.
An underlying system call or library function failed; errno(3C) is preserved where possible.
The pool_strerror() function returns a pointer to the string corresponding to the requested error value. If the error value has no corresponding string, -1 is returned and errno is set to indicate the error.
The pool_strerror() function will fail if:
The specified error value is not defined by the pools error facility.
See attributes(5) for descriptions of the following attributes: