m4_comment([$Id: memp_maxwrite.so,v 10.6 2007/11/08 16:28:12 bostic Exp $])

define(M4PAGELOCAL, [memp_get_max_write, memp_set_max_write])
include(m4/m4.seealso)

m4_pf_header(m4_ref(memp_set_max_write),
ifelse(M4API, C_API, [dnl
int
DB_ENV-__GT__set_mp_max_write(DB_ENV *env, int maxwrite, db_timeout_t maxwrite_sleep);
m4_blank
int
DB_ENV-__GT__get_mp_max_write(DB_ENV *env, int *maxwritep, db_timeout_t *maxwrite_sleepp);
])
ifelse(M4API, CXX_API, [dnl
int
DbEnv::set_mp_max_write(int maxwrite, db_timeout_t maxwrite_sleep);
m4_blank
int
DbEnv::get_mp_max_write(int *maxwritep, db_timeout_t *maxwrite_sleepp);
]))

m4_p([dnl
The m4_refT(memp_set_max_write) limits the number of sequential write
operations scheduled by the library when flushing dirty pages from the
cache.])

m4_env_config(memp_set_max_write,
[maximum number of sequential write operations], set_mp_max_write,
[the maximum number of sequential writes and the number of microseconds
to sleep, also separated by whitespace characters])

m4_scope_env(memp_set_max_write)

m4_return(memp_set_max_write, std)

m4_parambegin
m4_param(maxwrite, [dnl
The maximum number of sequential write operations scheduled by the
library when flushing dirty pages from the cache, or 0 if there is
no limitation on the number of sequential write operations.])
m4_param(maxwrite_sleep, [dnl
The number of microseconds the thread of control should pause before
scheduling further write operations.  It must be specified as an
unsigned 32-bit number of microseconds, limiting the maximum pause to
roughly 71 minutes.])
m4_paramend

m4_err(memp_set_max_write, einval)

m4_pf_description(m4_ref(memp_get_max_write))
m4_p([dnl
The m4_refT(memp_get_max_write) returns the current maximum number of
sequential write operations and microseconds to pause.])

m4_when_any(memp_get_max_write)

m4_return(memp_get_max_write, std)

m4_parambegin
m4_param_co(maxwritep, maximum number of sequential write operations)
m4_param_co(maxwrite_sleepp, microseconds to pause before scheduling further write operations)
m4_paramend

m4_seealso(DbMpool)
m4_page_footer