Check IOSystem

Is the IO system active (in C)? More...

Functions
int	PIOc_iosystem_is_active (int iosysid, bool *active)
	Check to see if PIO has been initialized. More...
int	PIOc_iam_iotask (int iosysid, bool *ioproc)
	Return a logical indicating whether this task is an IO task. More...
int	PIOc_iotask_rank (int iosysid, int *iorank)
	Return the rank of this task in the IO communicator or -1 if this task is not in the communicator. More...

Detailed Description

Is the IO system active (in C)?

Function Documentation

PIOc_iam_iotask()

int PIOc_iam_iotask	(	int	iosysid,
		bool *	ioproc
	)

Return a logical indicating whether this task is an IO task.

Parameters

iosysid	the io system ID
ioproc	a pointer that gets 1 if task is an IO task, 0 otherwise. Ignored if NULL.

Returns

0 for success, or PIO_BADID if iosysid can't be found.

Author

Jim Edwards

PIOc_iosystem_is_active()

int PIOc_iosystem_is_active	(	int	iosysid,
		bool *	active
	)

Check to see if PIO has been initialized.

Parameters

iosysid	the IO system ID
active	pointer that gets true if IO system is active, false otherwise.

Returns

0 on success, error code otherwise

Author

Jim Edwards

PIOc_iotask_rank()

int PIOc_iotask_rank	(	int	iosysid,
		int *	iorank
	)

Return the rank of this task in the IO communicator or -1 if this task is not in the communicator.

Parameters

iosysid	the io system ID
iorank	a pointer that gets the io rank, or -1 if task is not in the IO communicator. Ignored if NULL.

Returns

0 for success, or PIO_BADID if iosysid can't be found.

Author

Jim Edwards