m4_comment([$Id: mutex_set_tas_spins.so,v 10.30 2005/07/20 16:34:01 bostic Exp $])

define(M4PAGELOCAL, [mutex_set_tas_spins, mutex_get_tas_spins])
include(m4/m4.seealso)

m4_pf_header(m4_ref(mutex_set_tas_spins),
ifelse(M4API, C_API, [dnl
int
DB_ENV-__GT__mutex_set_tas_spins(DB_ENV *dbenv, u_int32_t tas_spins);
m4_blank
int
DB_ENV-__GT__mutex_get_tas_spins(DB_ENV *dbenv, u_int32_t *tas_spinsp);

])
ifelse(M4API, CXX_API, [dnl
int
DbEnv::mutex_set_tas_spins(u_int32_t tas_spins);
m4_blank
int
DbEnv::mutex_get_tas_spins(u_int32_t *, tas_spinsp);
]))

m4_p([dnl
Specify that test-and-set mutexes should spin m4_arg(tas_spins) times
without blocking.  The value defaults to 1 on uniprocessor systems and
to 50 times the number of processors on multiprocessor systems.])

m4_env_config(mutex_set_tas_spins,
[test-and-set spin count], set_tas_spins, [the number of spins])

m4_scope_dbenv(mutex_set_tas_spins)

m4_when_any(mutex_set_tas_spins)

m4_return(mutex_set_tas_spins, std)

m4_parambegin
m4_param(tas_spins, [dnl
The m4_arg(tas_spins) parameter is the number of spins test-and-set
mutexes should execute before blocking.])
m4_paramend

m4_err(mutex_set_tas_spins, einval)

m4_pf_getter(mutex_get_tas_spins, test-and-set spin count,, tas_spinsp)

m4_seealso(DbEnv)
m4_page_footer