/usr/include/sdrmgt.h is in libion-dev 3.2.1+dfsg-1.1.
This file is owned by root:root, with mode 0o644.
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sdrmgt.h: definitions supporting use of the SDR
database space management mechanism.
Author: Scott Burleigh, JPL
Modification History:
Date Who What
06-05-07 SCB Initial abstraction from original SDR API.
Copyright (c) 2001-2007 California Institute of Technology.
ALL RIGHTS RESERVED. U.S. Government Sponsorship
acknowledged.
*/
#ifndef _SDRMGT_H_
#define _SDRMGT_H_
#include "sdrxn.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
char sdrName[MAX_SDR_NAME + 1];
long sdrSize;
long smallPoolSize;
long smallPoolFreeBlockCount[SMALL_SIZES];
long smallPoolFree;
long smallPoolAllocated;
long largePoolSize;
long largePoolFreeBlockCount[LARGE_ORDERS];
long largePoolFree;
long largePoolAllocated;
long unusedSize;
} SdrUsageSummary;
/* Low-level SDR space management functions. */
#define sdr_malloc(sdr, size) \
Sdr_malloc(__FILE__, __LINE__, sdr, size)
extern Object Sdr_malloc(char *file, int line,
Sdr sdr, unsigned long size);
#define sdr_insert(sdr, from, size) \
Sdr_insert(__FILE__, __LINE__, sdr, from, size)
extern Object Sdr_insert(char *file, int line,
Sdr sdr, char *from, unsigned long size);
#define sdr_stow(sdr, variable) \
Sdr_insert(__FILE__, __LINE__, sdr, (char *) &variable, sizeof variable)
extern long sdr_object_length(Sdr sdr, Object object);
#define sdr_free(sdr, object) \
Sdr_free(__FILE__, __LINE__, sdr, object)
extern void Sdr_free(char *file, int line,
Sdr sdr, Object object);
extern void sdr_stage(Sdr sdr, char *into, Object from, long size);
extern long sdr_unused(Sdr sdr);
/* Returns the number of bytes of heap
space not yet allocated to either the
large or small objects pool. */
extern void sdr_usage(Sdr sdr, SdrUsageSummary *);
/* Loads SdrUsageSummary structure with
snapshot of SDR's usage status. */
extern void sdr_report(SdrUsageSummary *);
/* Sends to log a snapshot of the
SDR's usage status. */
extern int sdr_heap_depleted(Sdr sdrv);
/* A Boolean function: returns 1 if
* total available space in the SDR
* (small pool free, large pool free,
* and unused) is less than 1/16 of
* the total size of the SDR, 0 otherwise. */
extern int sdr_start_trace(Sdr sdr, long size, char *shm);
/* Begins an episode of SDR space usage
tracing. The size argument specifies
the amount of shared memory to use
for the trace operations; this memory
will be dynamically allocated unless
the shm region pointer argument is
non-NULL. Returns 0 on success, -1
on any error. */
extern void sdr_print_trace(Sdr sdr, int verbose);
/* Prints cumulative trace report and
usage report, using writeMemo. If
'verbose' is zero, only exceptions
are reported; otherwise, a log of
all activity is printed. */
extern void sdr_clear_trace(Sdr sdr);
/* Deletes closed events from trace log. */
extern void sdr_stop_trace(Sdr sdr);
/* Ends the current episode of SDR space
management tracing and releases
the shared memory allocated to the
trace operations. */
#ifdef __cplusplus
}
#endif
#endif /* _SDRMGT_H_ */
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