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Command: sqlite3_memory_used | Section: 3 | Source: NetBSD | File: sqlite3_memory_used.3
SQLITE3_MEMORY_USED(3) FreeBSD Library Functions Manual
NAME
sqlite3_memory_used, sqlite3_memory_highwater - Memory Allocator
Statistics
SYNOPSIS
sqlite3_int64
sqlite3_memory_used(void);
sqlite3_int64
sqlite3_memory_highwater(int resetFlag);
DESCRIPTION
SQLite provides these two interfaces for reporting on the status of the
sqlite3_malloc(), sqlite3_free(), and sqlite3_realloc() routines, which
form the built-in memory allocation subsystem.
The sqlite3_memory_used() routine returns the number of bytes of memory
currently outstanding (malloced but not freed). The
sqlite3_memory_highwater() routine returns the maximum value of
sqlite3_memory_used() since the high-water mark was last reset. The
values returned by sqlite3_memory_used() and sqlite3_memory_highwater()
include any overhead added by SQLite in its implementation of
sqlite3_malloc(), but not overhead added by the any underlying system
library routines that sqlite3_malloc() may call.
The memory high-water mark is reset to the current value of
sqlite3_memory_used() if and only if the parameter to
sqlite3_memory_highwater() is true. The value returned by
sqlite3_memory_highwater(1) is the high-water mark prior to the reset.
SEE ALSO
sqlite3_malloc(3), sqlite3_memory_used(3), sqlite3_malloc(3)
FreeBSD 14.1-RELEASE-p8 December 19, 2018 FreeBSD 14.1-RELEASE-p8