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Multi-Processing Module library
[Apache Core]

Defines
#define	AP_MPMQ_NOT_SUPPORTED   0
#define	AP_MPMQ_STATIC   1
#define	AP_MPMQ_DYNAMIC   2
#define	AP_MPMQ_STARTING   0
#define	AP_MPMQ_RUNNING   1
#define	AP_MPMQ_STOPPING   2
#define	AP_MPMQ_MAX_DAEMON_USED   1
#define	AP_MPMQ_IS_THREADED   2
#define	AP_MPMQ_IS_FORKED   3
#define	AP_MPMQ_HARD_LIMIT_DAEMONS   4
#define	AP_MPMQ_HARD_LIMIT_THREADS   5
#define	AP_MPMQ_MAX_THREADS   6
#define	AP_MPMQ_MIN_SPARE_DAEMONS   7
#define	AP_MPMQ_MIN_SPARE_THREADS   8
#define	AP_MPMQ_MAX_SPARE_DAEMONS   9
#define	AP_MPMQ_MAX_SPARE_THREADS   10
#define	AP_MPMQ_MAX_REQUESTS_DAEMON   11
#define	AP_MPMQ_MAX_DAEMONS   12
#define	AP_MPMQ_MPM_STATE   13
#define	AP_MPMQ_IS_ASYNC   14
#define	AP_MONCONTROL(x)
Functions
int	ap_mpm_run (apr_pool_t *pconf, apr_pool_t *plog, server_rec *server_conf)
int	ap_graceful_stop_signalled (void)
apr_status_t	ap_os_create_privileged_process (const request_rec *r, apr_proc_t *newproc, const char *progname, const char *const *args, const char *const *env, apr_procattr_t *attr, apr_pool_t *p)
apr_status_t	ap_mpm_query (int query_code, int *result)

---

Define Documentation

#define AP_MONCONTROL

(

x

)

#define AP_MPMQ_DYNAMIC   2

#define AP_MPMQ_HARD_LIMIT_DAEMONS   4

#define AP_MPMQ_HARD_LIMIT_THREADS   5

#define AP_MPMQ_IS_ASYNC   14

#define AP_MPMQ_IS_FORKED   3

#define AP_MPMQ_IS_THREADED   2

#define AP_MPMQ_MAX_DAEMON_USED   1

#define AP_MPMQ_MAX_DAEMONS   12

#define AP_MPMQ_MAX_REQUESTS_DAEMON   11

#define AP_MPMQ_MAX_SPARE_DAEMONS   9

#define AP_MPMQ_MAX_SPARE_THREADS   10

#define AP_MPMQ_MAX_THREADS   6

#define AP_MPMQ_MIN_SPARE_DAEMONS   7

#define AP_MPMQ_MIN_SPARE_THREADS   8

#define AP_MPMQ_MPM_STATE   13

#define AP_MPMQ_NOT_SUPPORTED   0

#define AP_MPMQ_RUNNING   1

#define AP_MPMQ_STARTING   0

#define AP_MPMQ_STATIC   1

#define AP_MPMQ_STOPPING   2

---

Function Documentation

int ap_graceful_stop_signalled

(

void

)

int ap_mpm_query	(	int	query_code,
		int *	result
	)

Query a property of the current MPM.

Parameters:

	query_code	One of APM_MPMQ_*
	result	A location to place the result of the query

Returns:

APR_SUCCESS or APR_ENOTIMPL

int ap_mpm_run	(	apr_pool_t *	pconf,
		apr_pool_t *	plog,
		server_rec *	server_conf
	)

This is the function that MPMs must create. This function is responsible for controlling the parent and child processes. It will run until a restart/shutdown is indicated.

Parameters:

	pconf	the configuration pool, reset before the config file is read
	plog	the log pool, reset after the config file is read
	server_conf	the global server config.

Returns:

1 for shutdown 0 otherwise.

apr_status_t ap_os_create_privileged_process	(	const request_rec *	r,
		apr_proc_t *	newproc,
		const char *	progname,
		const char *const *	args,
		const char *const *	env,
		apr_procattr_t *	attr,
		apr_pool_t *	p
	)

Spawn a process with privileges that another module has requested

Parameters:

	r	The request_rec of the current request
	newproc	The resulting process handle.
	progname	The program to run
	const_args	the arguments to pass to the new program. The first one should be the program name.
	env	The new environment apr_table_t for the new process. This should be a list of NULL-terminated strings.
	attr	the procattr we should use to determine how to create the new process
	p	The pool to use.

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