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freebsd-ports/www/apache22-peruser-mpm/files/httpd-2.2.3-peruser-0.3.0-dc3.patch
Pav Lucistnik 5e66c1de93 - Update dc2 patch to dc3 
PR:		ports/135078
Submitted by:	Jille Timmermans <jille@quis.cx> (maintainer)
2009-06-02 11:25:22 +00:00

1212 lines
43 KiB
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--- server/mpm/experimental/peruser/mpm_default.h 2009-05-27 15:09:19.000000000 +0300
+++ server/mpm/experimental/peruser/mpm_default.h 2009-05-28 10:10:42.000000000 +0300
@@ -77,6 +77,12 @@
#define DEFAULT_MIN_FREE_PROCESSORS 2
#endif
+/* Maximum --- more than this, and idle processors will be killed (0 = disable) */
+
+#ifndef DEFAULT_MAX_FREE_PROCESSORS
+#define DEFAULT_MAX_FREE_PROCESSORS 0
+#endif
+
/* Maximum processors per ServerEnvironment */
#ifndef DEFAULT_MAX_PROCESSORS
@@ -107,4 +113,50 @@
#define DEFAULT_MAX_REQUESTS_PER_CHILD 10000
#endif
+/* Maximum multiplexers */
+
+#ifndef DEFAULT_MAX_MULTIPLEXERS
+#define DEFAULT_MAX_MULTIPLEXERS 20
+#endif
+
+/* Minimum multiplexers */
+
+#ifndef DEFAULT_MIN_MULTIPLEXERS
+#define DEFAULT_MIN_MULTIPLEXERS 3
+#endif
+
+/* Amount of time a child can run before it expires (0 = turn off) */
+
+#ifndef DEFAULT_EXPIRE_TIMEOUT
+#define DEFAULT_EXPIRE_TIMEOUT 1800
+#endif
+
+/* Amount of time a child can stay idle (0 = turn off) */
+
+#ifndef DEFAULT_IDLE_TIMEOUT
+#define DEFAULT_IDLE_TIMEOUT 900
+#endif
+
+/* Amount of time a multiplexer can stay idle (0 = turn off) */
+
+#ifndef DEFAULT_MULTIPLEXER_IDLE_TIMEOUT
+#define DEFAULT_MULTIPLEXER_IDLE_TIMEOUT 0
+#endif
+
+/* Amount of maximum time a multiplexer can wait for processor if it is busy (0 = never wait)
+ * This is decreased with every busy request
+ */
+
+#ifndef DEFAULT_PROCESSOR_WAIT_TIMEOUT
+#define DEFAULT_PROCESSOR_WAIT_TIMEOUT 5
+#endif
+
+/* The number of different levels there are when a multiplexer is waiting for processor
+ * (between maximum waiting time and no waiting)
+ */
+
+#ifndef DEFAULT_PROCESSOR_WAIT_STEPS
+#define DEFAULT_PROCESSOR_WAIT_STEPS 10
+#endif
+
#endif /* AP_MPM_DEFAULT_H */
--- server/mpm/experimental/peruser/mpm.h 2009-03-22 22:46:45.000000000 +0200
+++ server/mpm/experimental/peruser/mpm.h 2009-03-22 22:39:10.000000000 +0200
@@ -84,6 +84,7 @@
#define AP_MPM_USES_POD 1
#define MPM_CHILD_PID(i) (ap_scoreboard_image->parent[i].pid)
#define MPM_NOTE_CHILD_KILLED(i) (MPM_CHILD_PID(i) = 0)
+#define MPM_VALID_PID(p) (getpgid(p) == getpgrp())
#define MPM_ACCEPT_FUNC unixd_accept
extern int ap_threads_per_child;
--- server/mpm/experimental/peruser/peruser.c 2009-05-27 15:09:19.000000000 +0300
+++ server/mpm/experimental/peruser/peruser.c 2009-05-28 13:54:27.000000000 +0300
@@ -195,20 +195,30 @@
#define CHILD_STATUS_STANDBY 0 /* wait for a request before starting */
#define CHILD_STATUS_STARTING 1 /* wait for socket creation */
-#define CHILD_STATUS_READY 2 /* wait for mux to restart */
-#define CHILD_STATUS_ACTIVE 3 /* ready to take requests */
+#define CHILD_STATUS_READY 2 /* is ready to take requests */
+#define CHILD_STATUS_ACTIVE 3 /* is currently busy handling requests */
#define CHILD_STATUS_RESTART 4 /* child about to die and restart */
+/* cgroup settings */
+#define CGROUP_TASKS_FILE "/tasks"
+#define CGROUP_TASKS_FILE_LEN 7
+
/* config globals */
int ap_threads_per_child=0; /* Worker threads per child */
static apr_proc_mutex_t *accept_mutex;
static int ap_min_processors=DEFAULT_MIN_PROCESSORS;
static int ap_min_free_processors=DEFAULT_MIN_FREE_PROCESSORS;
+static int ap_max_free_processors=DEFAULT_MAX_FREE_PROCESSORS;
static int ap_max_processors=DEFAULT_MAX_PROCESSORS;
+static int ap_min_multiplexers=DEFAULT_MIN_MULTIPLEXERS;
+static int ap_max_multiplexers=DEFAULT_MAX_MULTIPLEXERS;
static int ap_daemons_limit=0; /* MaxClients */
-static int expire_timeout=1800;
-static int idle_timeout=900;
+static int expire_timeout=DEFAULT_EXPIRE_TIMEOUT;
+static int idle_timeout=DEFAULT_IDLE_TIMEOUT;
+static int multiplexer_idle_timeout=DEFAULT_MULTIPLEXER_IDLE_TIMEOUT;
+static int processor_wait_timeout=DEFAULT_PROCESSOR_WAIT_TIMEOUT;
+static int processor_wait_steps=DEFAULT_PROCESSOR_WAIT_STEPS;
static int server_limit = DEFAULT_SERVER_LIMIT;
static int first_server_limit;
static int changed_limit_at_restart;
@@ -222,15 +232,21 @@
{
int processor_id;
+ const char *name; /* Server environment's unique string identifier */
+
/* security settings */
uid_t uid; /* user id */
gid_t gid; /* group id */
const char *chroot; /* directory to chroot() to, can be null */
+ int nice_lvl;
+ const char *cgroup; /* cgroup directory, can be null */
/* resource settings */
int min_processors;
int min_free_processors;
+ int max_free_processors;
int max_processors;
+ int availability;
/* sockets */
int input; /* The socket descriptor */
@@ -437,6 +453,25 @@
return "UNKNOWN";
}
+char* scoreboard_status_string(int status) {
+ switch(status)
+ {
+ case SERVER_DEAD: return "DEAD";
+ case SERVER_STARTING: return "STARTING";
+ case SERVER_READY: return "READY";
+ case SERVER_BUSY_READ: return "BUSY_READ";
+ case SERVER_BUSY_WRITE: return "BUSY_WRITE";
+ case SERVER_BUSY_KEEPALIVE: return "BUSY_KEEPALIVE";
+ case SERVER_BUSY_LOG: return "BUSY_LOG";
+ case SERVER_BUSY_DNS: return "BUSY_DNS";
+ case SERVER_CLOSING: return "CLOSING";
+ case SERVER_GRACEFUL: return "GRACEFUL";
+ case SERVER_NUM_STATUS: return "NUM_STATUS";
+ }
+
+ return "UNKNOWN";
+}
+
void dump_child_table()
{
#ifdef MPM_PERUSER_DEBUG
@@ -511,10 +546,6 @@
static void accept_mutex_on(void)
{
-/* for some reason this fails if we listen on the pipe_of_death.
- fortunately I don't think we currently need it */
-
-#if 0
apr_status_t rv = apr_proc_mutex_lock(accept_mutex);
if (rv != APR_SUCCESS) {
const char *msg = "couldn't grab the accept mutex";
@@ -529,12 +560,10 @@
exit(APEXIT_CHILDFATAL);
}
}
-#endif
}
static void accept_mutex_off(void)
{
-#if 0
apr_status_t rv = apr_proc_mutex_unlock(accept_mutex);
if (rv != APR_SUCCESS) {
const char *msg = "couldn't release the accept mutex";
@@ -552,7 +581,6 @@
exit(APEXIT_CHILDFATAL);
}
}
-#endif
}
/* On some architectures it's safe to do unserialized accept()s in the single
@@ -715,8 +743,10 @@
ret = apr_socket_recv(lr->sd, &pipe_read_char, &n);
if (APR_STATUS_IS_EAGAIN(ret))
{
- /* It lost the lottery. It must continue to suffer
- * through a life of servitude. */
+ /* It lost the lottery. It must continue to suffer
+ * through a life of servitude. */
+ _DBG("POD read EAGAIN");
+ return ret;
}
else
{
@@ -1087,8 +1117,7 @@
for(i = 0, total = 0; i < NUM_CHILDS; ++i)
{
if(CHILD_INFO_TABLE[i].senv == CHILD_INFO_TABLE[child_num].senv &&
- (SCOREBOARD_STATUS(i) == SERVER_STARTING ||
- SCOREBOARD_STATUS(i) == SERVER_READY))
+ (CHILD_INFO_TABLE[i].status == CHILD_STATUS_READY))
{
total++;
}
@@ -1116,7 +1145,7 @@
apr_bucket *bucket;
const apr_array_header_t *headers_in_array;
const apr_table_entry_t *headers_in;
- int counter;
+ int counter, wait_time, wait_step_size;
apr_socket_t *thesock = ap_get_module_config(r->connection->conn_config, &core_module);
@@ -1137,10 +1166,73 @@
apr_table_get(r->headers_in, "Host"), my_child_num, processor->senv->output);
_DBG("r->the_request=\"%s\" len=%d", r->the_request, strlen(r->the_request));
- ap_get_brigade(r->connection->input_filters, bb, AP_MODE_EXHAUSTIVE, APR_NONBLOCK_READ, len);
+ wait_step_size = 100 / processor_wait_steps;
- /* Scan the brigade looking for heap-buckets */
+ /* Check if the processor is available */
+ if (total_processors(processor->id) == processor->senv->max_processors &&
+ idle_processors(processor->id) == 0) {
+ /* The processor is currently busy, try to wait (a little) */
+ _DBG("processor seems to be busy, trying to wait for it");
+
+ if (processor->senv->availability == 0) {
+ processor->senv->availability = 0;
+
+ _DBG("processor is very busy (availability = 0) - not passing request");
+
+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, ap_server_conf,
+ "Too many requests for processor %s, increase MaxProcessors", processor->senv->name);
+
+ /* No point in waiting for the processor, it's very busy */
+ return -1;
+ }
+
+ /* We sleep a little (depending how available the processor usually is) */
+ int i;
+
+ wait_time = (processor_wait_timeout / processor_wait_steps) * 1000000;
+
+ for(i = 0; i <= processor->senv->availability; i += wait_step_size) {
+ usleep(wait_time);
+ /* Check if the processor is ready */
+ if (total_processors(processor->id) < processor->senv->max_processors ||
+ idle_processors(processor->id) > 0) {
+ /* The processor has freed - lets use it */
+ _DBG("processor freed before wait time expired");
+ break;
+ }
+ }
+
+ if (processor->senv->availability <= wait_step_size) {
+ processor->senv->availability = 0;
+ }
+ else processor->senv->availability -= wait_step_size;
+
+ /* Check if we waited all the time */
+ if (i > processor->senv->availability) {
+ _DBG("processor is busy - not passing request (availability = %d)",
+ processor->senv->availability);
+ ap_log_error(APLOG_MARK, APLOG_WARNING, 0, ap_server_conf,
+ "Too many requests for processor %s, increase MaxProcessors", processor->senv->name);
+ return -1;
+ }
+
+ /* We could increase the availability a little here,
+ * because the processor got freed eventually
+ */
+ }
+ else {
+ /* Smoothly increment the availability back to 100 */
+ if (processor->senv->availability >= 100-wait_step_size) {
+ processor->senv->availability = 100;
+ }
+ else processor->senv->availability += wait_step_size;
+ }
+
+ ap_get_brigade(r->connection->input_filters, bb, AP_MODE_EXHAUSTIVE, APR_NONBLOCK_READ, len);
+
+ /* Scan the brigade looking for heap-buckets */
+
_DBG("Scanning the brigade",0);
bucket = APR_BRIGADE_FIRST(bb);
while (bucket != APR_BRIGADE_SENTINEL(bb) &&
@@ -1294,12 +1386,22 @@
/* -- receive data from socket -- */
apr_os_sock_get(&ctrl_sock_fd, lr->sd);
_DBG("receiving from sock_fd=%d", ctrl_sock_fd);
- ret = recvmsg(ctrl_sock_fd, &msg, 0);
- if(ret == -1)
- _DBG("recvmsg failed with error \"%s\"", strerror(errno));
- else
- _DBG("recvmsg returned %d", ret);
+ // Don't block
+ ret = recvmsg(ctrl_sock_fd, &msg, MSG_DONTWAIT);
+
+ if (ret == -1 && errno == EAGAIN) {
+ _DBG("receive_from_multiplexer recvmsg() EAGAIN, someone was faster");
+
+ return APR_EAGAIN;
+ }
+ else if (ret == -1) {
+ _DBG("recvmsg failed with error \"%s\"", strerror(errno));
+
+ // Error, better kill this child to be on the safe side
+ return APR_EGENERAL;
+ }
+ else _DBG("recvmsg returned %d", ret);
/* -- extract socket from the cmsg -- */
memcpy(&trans_sock_fd, CMSG_DATA(cmsg), sizeof(trans_sock_fd));
@@ -1399,10 +1501,58 @@
return 0;
}
-static int peruser_setup_child(int childnum)
+static int peruser_setup_cgroup(int childnum, server_env_t *senv, apr_pool_t *pool)
+{
+ apr_file_t *file;
+ int length;
+ apr_size_t content_len;
+ char *tasks_file, *content, *pos;
+
+ _DBG("starting to add pid to cgroup %s", senv->cgroup);
+
+ length = strlen(senv->cgroup) + CGROUP_TASKS_FILE_LEN;
+ tasks_file = malloc(length);
+
+ if (!tasks_file) return -1;
+
+ pos = apr_cpystrn(tasks_file, senv->cgroup, length);
+ apr_cpystrn(pos, CGROUP_TASKS_FILE, CGROUP_TASKS_FILE_LEN);
+
+ /* Prepare the data to be written to tasks file */
+ content = apr_itoa(pool, ap_my_pid);
+ content_len = strlen(content);
+
+ _DBG("writing pid %s to tasks file %s", content, tasks_file);
+
+ if (apr_file_open(&file, tasks_file, APR_WRITE, APR_OS_DEFAULT, pool)) {
+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
+ "cgroup: unable to open file %s",
+ tasks_file);
+ free(tasks_file);
+ return OK; /* don't fail if cgroup not available */
+ }
+
+ if (apr_file_write(file, content, &content_len)) {
+ ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
+ "cgroup: unable to write pid to file %s",
+ tasks_file);
+ }
+
+ apr_file_close(file);
+
+ free(tasks_file);
+
+ return OK;
+}
+
+static int peruser_setup_child(int childnum, apr_pool_t *pool)
{
server_env_t *senv = CHILD_INFO_TABLE[childnum].senv;
+ if (senv->nice_lvl != 0) {
+ nice(senv->nice_lvl);
+ }
+
if(senv->chroot) {
_DBG("chdir to %s", senv->chroot);
if(chdir(senv->chroot)) {
@@ -1421,6 +1571,10 @@
}
}
+ if(senv->cgroup) {
+ peruser_setup_cgroup(childnum, senv, pool);
+ }
+
if (senv->uid == -1 && senv->gid == -1) {
return unixd_setup_child();
}
@@ -1594,15 +1748,6 @@
{
case CHILD_TYPE_MULTIPLEXER:
_DBG("MULTIPLEXER %d", my_child_num);
-
- /* update status on processors that are ready to accept requests */
- _DBG("updating processor stati", 0);
- for(i = 0; i < NUM_CHILDS; ++i)
- {
- if(CHILD_INFO_TABLE[i].status == CHILD_STATUS_READY)
- CHILD_INFO_TABLE[i].status = CHILD_STATUS_ACTIVE;
- }
-
break;
case CHILD_TYPE_PROCESSOR:
@@ -1626,7 +1771,7 @@
apr_os_sock_put(&pod_sock, &fd, pconf);
listen_add(pconf, pod_sock, check_pipe_of_death);
- if(peruser_setup_child(my_child_num) != 0)
+ if(peruser_setup_child(my_child_num, pchild) != 0)
clean_child_exit(APEXIT_CHILDFATAL);
ap_run_child_init(pchild, ap_server_conf);
@@ -1670,14 +1815,19 @@
clean_child_exit(0);
}
- (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);
+ (void) ap_update_child_status(sbh, SERVER_READY, (request_rec *) NULL);
+
+ CHILD_INFO_TABLE[my_child_num].status = CHILD_STATUS_READY;
+ _DBG("Child %d (%s) is now ready", my_child_num, child_type_string(CHILD_INFO_TABLE[my_child_num].type));
/*
* Wait for an acceptable connection to arrive.
*/
- /* Lock around "accept", if necessary */
- SAFE_ACCEPT(accept_mutex_on());
+ /* Lock around "accept", if necessary */
+ if (CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_MULTIPLEXER) {
+ SAFE_ACCEPT(accept_mutex_on());
+ }
if (num_listensocks == 1) {
offset = 0;
@@ -1729,18 +1879,27 @@
* defer the exit
*/
status = listensocks[offset].accept_func((void *)&sock, &listensocks[offset], ptrans);
- SAFE_ACCEPT(accept_mutex_off()); /* unlock after "accept" */
+
+ if (CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_MULTIPLEXER) {
+ SAFE_ACCEPT(accept_mutex_off()); /* unlock after "accept" */
+ }
if (status == APR_EGENERAL) {
/* resource shortage or should-not-occur occured */
clean_child_exit(1);
}
- else if (status != APR_SUCCESS || die_now) {
+ else if (status != APR_SUCCESS || die_now || sock == NULL) {
continue;
}
+ if (CHILD_INFO_TABLE[my_child_num].status == CHILD_STATUS_READY) {
+ CHILD_INFO_TABLE[my_child_num].status = CHILD_STATUS_ACTIVE;
+ _DBG("Child %d (%s) is now active", my_child_num, child_type_string(CHILD_INFO_TABLE[my_child_num].type));
+ }
+
if (CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_PROCESSOR ||
- CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_WORKER)
+ CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_WORKER ||
+ CHILD_INFO_TABLE[my_child_num].type == CHILD_TYPE_MULTIPLEXER)
{
_DBG("CHECKING IF WE SHOULD CLONE A CHILD...");
@@ -1754,8 +1913,11 @@
if(total_processors(my_child_num) <
CHILD_INFO_TABLE[my_child_num].senv->max_processors &&
- idle_processors(my_child_num) <=
- CHILD_INFO_TABLE[my_child_num].senv->min_free_processors)
+ (idle_processors(my_child_num) <=
+ CHILD_INFO_TABLE[my_child_num].senv->min_free_processors ||
+ total_processors(my_child_num) <
+ CHILD_INFO_TABLE[my_child_num].senv->min_processors
+ ))
{
_DBG("CLONING CHILD");
child_clone();
@@ -1804,46 +1966,80 @@
clean_child_exit(0);
}
-static server_env_t* senv_add(int uid, int gid, const char* chroot)
-{
+static server_env_t* find_senv_by_name(const char *name) {
int i;
- int socks[2];
- _DBG("Searching for matching senv...");
+ if (name == NULL) return NULL;
+
+ _DBG("name=%s", name);
+
+ for(i = 0; i < NUM_SENV; i++)
+ {
+ if(SENV[i].name != NULL && !strcmp(SENV[i].name, name)) {
+ return &SENV[i];
+ }
+ }
+
+ return NULL;
+}
+
+static server_env_t* find_matching_senv(server_env_t* senv) {
+ int i;
+
+ _DBG("name=%s uid=%d gid=%d chroot=%s", senv->name, senv->uid, senv->gid, senv->chroot);
for(i = 0; i < NUM_SENV; i++)
- {
- if(SENV[i].uid == uid && SENV[i].gid == gid &&
- (SENV[i].chroot == NULL || !strcmp(SENV[i].chroot, chroot)))
{
- _DBG("Found existing senv: %i", i);
- return &SENV[i];
+ if((senv->name != NULL && SENV[i].name != NULL && !strcmp(SENV[i].name, senv->name)) ||
+ (senv->name == NULL && SENV[i].uid == senv->uid && SENV[i].gid == senv->gid &&
+ (
+ (SENV[i].chroot == NULL && senv->chroot == NULL) ||
+ ((SENV[i].chroot != NULL || senv->chroot != NULL) && !strcmp(SENV[i].chroot, senv->chroot)))
+ )
+ ) {
+ return &SENV[i];
+ }
}
+
+ return NULL;
+}
+
+static server_env_t* senv_add(server_env_t *senv)
+{
+ int socks[2];
+ server_env_t *old_senv;
+
+ _DBG("Searching for matching senv...");
+
+ old_senv = find_matching_senv(senv);
+
+ if (old_senv) {
+ _DBG("Found existing senv");
+ senv = old_senv;
+ return old_senv;
}
if(NUM_SENV >= server_limit)
- {
- _DBG("server_limit reached!");
- return NULL;
- }
+ {
+ _DBG("server_limit reached!");
+ return NULL;
+ }
_DBG("Creating new senv");
- SENV[NUM_SENV].uid = uid;
- SENV[NUM_SENV].gid = gid;
- SENV[NUM_SENV].chroot = chroot;
-
- SENV[NUM_SENV].min_processors = ap_min_processors;
- SENV[NUM_SENV].min_free_processors = ap_min_free_processors;
- SENV[NUM_SENV].max_processors = ap_max_processors;
+ memcpy(&SENV[NUM_SENV], senv, sizeof(server_env_t));
+
+ SENV[NUM_SENV].availability = 100;
socketpair(PF_UNIX, SOCK_STREAM, 0, socks);
SENV[NUM_SENV].input = socks[0];
SENV[NUM_SENV].output = socks[1];
+ senv = &SENV[NUM_SENV];
return &SENV[server_env_image->control->num++];
}
+
static const char* child_clone()
{
int i;
@@ -1869,7 +2065,14 @@
new = &CHILD_INFO_TABLE[i];
new->senv = this->senv;
- new->type = CHILD_TYPE_WORKER;
+
+ if (this->type == CHILD_TYPE_MULTIPLEXER) {
+ new->type = CHILD_TYPE_MULTIPLEXER;
+ }
+ else {
+ new->type = CHILD_TYPE_WORKER;
+ }
+
new->sock_fd = this->sock_fd;
new->status = CHILD_STATUS_STARTING;
@@ -1878,7 +2081,7 @@
}
static const char* child_add(int type, int status,
- apr_pool_t *pool, uid_t uid, gid_t gid, const char* chroot)
+ apr_pool_t *pool, server_env_t *senv)
{
_DBG("adding child #%d", NUM_CHILDS);
@@ -1888,10 +2091,10 @@
"Increase NumServers in your config file.";
}
- if (chroot && !ap_is_directory(pool, chroot))
- return apr_psprintf(pool, "Error: chroot directory [%s] does not exist", chroot);
+ if (senv->chroot && !ap_is_directory(pool, senv->chroot))
+ return apr_psprintf(pool, "Error: chroot directory [%s] does not exist", senv->chroot);
- CHILD_INFO_TABLE[NUM_CHILDS].senv = senv_add(uid, gid, chroot);
+ CHILD_INFO_TABLE[NUM_CHILDS].senv = senv_add(senv);
if(CHILD_INFO_TABLE[NUM_CHILDS].senv == NULL)
{
@@ -1907,10 +2110,10 @@
CHILD_INFO_TABLE[NUM_CHILDS].status = status;
_DBG("[%d] uid=%d gid=%d type=%d chroot=%s",
- NUM_CHILDS, uid, gid, type,
- chroot);
+ NUM_CHILDS, senv->uid, senv->gid, type,
+ senv->chroot);
- if (uid == 0 || gid == 0)
+ if (senv->uid == 0 || senv->gid == 0)
{
_DBG("Assigning root user/group to a child.", 0);
}
@@ -1957,7 +2160,7 @@
(void) ap_update_child_status_from_indexes(slot, 0, SERVER_STARTING,
(request_rec *) NULL);
- CHILD_INFO_TABLE[slot].status = CHILD_STATUS_ACTIVE;
+ CHILD_INFO_TABLE[slot].status = CHILD_STATUS_READY;
#ifdef _OSD_POSIX
@@ -2062,19 +2265,31 @@
if(CHILD_INFO_TABLE[i].status == CHILD_STATUS_STARTING)
make_child(ap_server_conf, i);
}
- else if(((CHILD_INFO_TABLE[i].type == CHILD_TYPE_PROCESSOR ||
- CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER) &&
- ap_scoreboard_image->parent[i].pid > 1) &&
- (idle_processors (i) > 1 || total_processes (i) == 1) && (
- (expire_timeout > 0 && ap_scoreboard_image->servers[i][0].status != SERVER_DEAD &&
- apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > expire_timeout) ||
- (idle_timeout > 0 && ap_scoreboard_image->servers[i][0].status == SERVER_READY &&
- apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > idle_timeout)))
+ else if(
+ (((CHILD_INFO_TABLE[i].type == CHILD_TYPE_PROCESSOR ||
+ CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER) &&
+ ap_scoreboard_image->parent[i].pid > 1) &&
+ (idle_processors (i) > CHILD_INFO_TABLE[i].senv->min_free_processors || CHILD_INFO_TABLE[i].senv->min_free_processors == 0) &&
+ total_processes (i) > CHILD_INFO_TABLE[i].senv->min_processors &&
+ (
+ (expire_timeout > 0 && ap_scoreboard_image->servers[i][0].status != SERVER_DEAD &&
+ apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > expire_timeout) ||
+ (idle_timeout > 0 && ap_scoreboard_image->servers[i][0].status == SERVER_READY &&
+ apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > idle_timeout) ||
+ (CHILD_INFO_TABLE[i].senv->max_free_processors > 0 && CHILD_INFO_TABLE[i].status == CHILD_STATUS_READY &&
+ idle_processors(i) > CHILD_INFO_TABLE[i].senv->max_free_processors))
+ )
+ || (CHILD_INFO_TABLE[i].type == CHILD_TYPE_MULTIPLEXER &&
+ (multiplexer_idle_timeout > 0 && ap_scoreboard_image->servers[i][0].status == SERVER_READY &&
+ apr_time_sec(now - ap_scoreboard_image->servers[i][0].last_used) > multiplexer_idle_timeout) &&
+ total_processors(i) > CHILD_INFO_TABLE[i].senv->min_processors
+ )
+ )
{
CHILD_INFO_TABLE[i].pid = 0;
CHILD_INFO_TABLE[i].status = CHILD_STATUS_STANDBY;
- if(CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER)
+ if(CHILD_INFO_TABLE[i].type == CHILD_TYPE_WORKER || CHILD_INFO_TABLE[i].type == CHILD_TYPE_MULTIPLEXER)
{
/* completely free up this slot */
@@ -2173,7 +2388,6 @@
return 1;
}
-#if 0
#if APR_USE_SYSVSEM_SERIALIZE
if (ap_accept_lock_mech == APR_LOCK_DEFAULT ||
ap_accept_lock_mech == APR_LOCK_SYSVSEM) {
@@ -2189,7 +2403,6 @@
return 1;
}
}
-#endif
if (!is_graceful) {
if (ap_run_pre_mpm(s->process->pool, SB_SHARED) != OK) {
@@ -2598,7 +2811,10 @@
ap_listen_pre_config();
ap_min_processors = DEFAULT_MIN_PROCESSORS;
ap_min_free_processors = DEFAULT_MIN_FREE_PROCESSORS;
+ ap_max_free_processors = DEFAULT_MAX_FREE_PROCESSORS;
ap_max_processors = DEFAULT_MAX_PROCESSORS;
+ ap_min_multiplexers = DEFAULT_MIN_MULTIPLEXERS;
+ ap_max_multiplexers = DEFAULT_MAX_MULTIPLEXERS;
ap_daemons_limit = server_limit;
ap_pid_fname = DEFAULT_PIDLOG;
ap_lock_fname = DEFAULT_LOCKFILE;
@@ -2608,6 +2824,13 @@
ap_max_mem_free = APR_ALLOCATOR_MAX_FREE_UNLIMITED;
#endif
+ expire_timeout = DEFAULT_EXPIRE_TIMEOUT;
+ idle_timeout = DEFAULT_IDLE_TIMEOUT;
+ multiplexer_idle_timeout = DEFAULT_MULTIPLEXER_IDLE_TIMEOUT;
+ processor_wait_timeout = DEFAULT_PROCESSOR_WAIT_TIMEOUT;
+ processor_wait_steps = DEFAULT_PROCESSOR_WAIT_STEPS;
+
+
apr_cpystrn(ap_coredump_dir, ap_server_root, sizeof(ap_coredump_dir));
/* we need to know ServerLimit and ThreadLimit before we start processing
@@ -2709,11 +2932,13 @@
server_env_image->control = (server_env_control*)shmem;
shmem += sizeof(server_env_control*);
server_env_image->table = (server_env_t*)shmem;
+ }
+ if(restart_num <= 2) {
+ _DBG("Cleaning server environments table");
+
server_env_image->control->num = 0;
-
- for (i = 0; i < tmp_server_limit; i++)
- {
+ for (i = 0; i < tmp_server_limit; i++) {
SENV[i].processor_id = -1;
SENV[i].uid = -1;
SENV[i].gid = -1;
@@ -2781,8 +3006,8 @@
if (pass_request(r, processor) == -1)
{
ap_log_error(APLOG_MARK, APLOG_ERR, 0,
- ap_server_conf, "Could not pass request to proper " "child, request will not be honoured.");
- return DECLINED;
+ ap_server_conf, "Could not pass request to processor %s (virtualhost %s), request will not be honoured.",
+ processor->senv->name, r->hostname);
}
_DBG("doing longjmp",0);
longjmp(CHILD_INFO_TABLE[my_child_num].jmpbuffer, 1);
@@ -2859,32 +3084,37 @@
ap_rputs("<hr>\n", r);
ap_rputs("<h2>peruser status</h2>\n", r);
ap_rputs("<table border=\"0\">\n", r);
- ap_rputs("<tr><td>ID</td><td>PID</td><td>STATUS</td><td>TYPE</td><td>UID</td>"
- "<td>GID</td><td>CHROOT</td><td>INPUT</td>"
+ ap_rputs("<tr><td>ID</td><td>PID</td><td>STATUS</td><td>SB STATUS</td><td>TYPE</td><td>UID</td>"
+ "<td>GID</td><td>CHROOT</td><td>NICE</td><td>INPUT</td>"
"<td>OUTPUT</td><td>SOCK_FD</td>"
"<td>TOTAL PROCESSORS</td><td>MAX PROCESSORS</td>"
- "<td>IDLE PROCESSORS</td><td>MIN FREE PROCESSORS</td></tr>\n", r);
+ "<td>IDLE PROCESSORS</td><td>MIN FREE PROCESSORS</td>"
+ "<td>AVAIL</td>"
+ "</tr>\n", r);
for (x = 0; x < NUM_CHILDS; x++)
{
senv = CHILD_INFO_TABLE[x].senv;
- ap_rprintf(r, "<tr><td>%3d</td><td>%5d</td><td>%8s</td><td>%12s</td>"
- "<td>%4d</td><td>%4d</td><td>%25s</td><td>%5d</td>"
+ ap_rprintf(r, "<tr><td>%3d</td><td>%5d</td><td>%8s</td><td>%8s</td><td>%12s</td>"
+ "<td>%4d</td><td>%4d</td><td>%25s</td><td>%3d</td><td>%5d</td>"
"<td>%6d</td><td>%7d</td><td>%d</td><td>%d</td>"
- "<td>%d</td><td>%d</td></tr>\n",
+ "<td>%d</td><td>%d</td><td>%3d</td></tr>\n",
CHILD_INFO_TABLE[x].id,
CHILD_INFO_TABLE[x].pid,
child_status_string(CHILD_INFO_TABLE[x].status),
+ scoreboard_status_string(SCOREBOARD_STATUS(x)),
child_type_string(CHILD_INFO_TABLE[x].type),
senv == NULL ? -1 : senv->uid,
senv == NULL ? -1 : senv->gid,
senv == NULL ? NULL : senv->chroot,
+ senv == NULL ? 0 : senv->nice_lvl,
senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->input,
senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->output,
CHILD_INFO_TABLE[x].sock_fd,
total_processors(x),
senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->max_processors,
idle_processors(x),
- senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->min_free_processors
+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->min_free_processors,
+ senv == NULL ? -1 : CHILD_INFO_TABLE[x].senv->availability
);
}
ap_rputs("</table>\n", r);
@@ -2938,50 +3168,183 @@
APR_OPTIONAL_HOOK(ap, status_hook, peruser_status_hook, NULL, NULL, APR_HOOK_MIDDLE);
}
-/* we define an Processor w/ specific uid/gid */
-static const char *cf_Processor(cmd_parms *cmd, void *dummy,
- const char *user_name, const char *group_name, const char *chroot)
+static const char *cf_Processor(cmd_parms *cmd, void *dummy, const char *arg)
{
- uid_t uid = ap_uname2id(user_name);
- gid_t gid = ap_gname2id(group_name);
+ const char *user_name = NULL, *group_name = NULL, *directive;
+ server_env_t senv;
+ ap_directive_t *current;
+
+ const char *endp = ap_strrchr_c(arg, '>');
+
+ if (endp == NULL) {
+ return apr_psprintf(cmd->temp_pool,
+ "Error: Directive %s> missing closing '>'", cmd->cmd->name);
+ }
+
+ arg = apr_pstrndup(cmd->pool, arg, endp - arg);
+
+ if (!arg) {
+ return apr_psprintf(cmd->temp_pool,
+ "Error: %s> must specify a processor name", cmd->cmd->name);
+ }
+
+ senv.name = ap_getword_conf(cmd->pool, &arg);
+ _DBG("processor_name: %s", senv.name);
+
+ if (strlen(senv.name) == 0) {
+ return apr_psprintf(cmd->temp_pool,
+ "Error: Directive %s> takes one argument", cmd->cmd->name);
+ }
+
+ /* Check for existing processors on first launch and between gracefuls */
+ if (restart_num == 1 || is_graceful) {
+ server_env_t *old_senv = find_senv_by_name(senv.name);
+
+ if (old_senv) {
+ return apr_psprintf(cmd->temp_pool,
+ "Error: Processor %s already defined", senv.name);
+ }
+ }
+
+ senv.nice_lvl = 0;
+ senv.chroot = NULL;
+ senv.cgroup = NULL;
+ senv.min_processors = ap_min_processors;
+ senv.min_free_processors = ap_min_free_processors;
+ senv.max_free_processors = ap_max_free_processors;
+ senv.max_processors = ap_max_processors;
+
+ current = cmd->directive->first_child;
+
+ int proc_temp = 0;
+ for(; current != NULL; current = current->next) {
+ directive = current->directive;
+
+ if (!strcasecmp(directive, "user")) {
+ user_name = current->args;
+ }
+ else if (!strcasecmp(directive, "group")) {
+ group_name = current->args;
+ }
+ else if (!strcasecmp(directive, "chroot")) {
+ senv.chroot = ap_getword_conf(cmd->pool, &current->args);
+ }
+ else if (!strcasecmp(directive, "nicelevel")) {
+ senv.nice_lvl = atoi(current->args);
+ }
+ else if (!strcasecmp(directive, "maxprocessors")) {
+ proc_temp = atoi(current->args);
+
+ if (proc_temp < 1) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MaxProcessors > 0, setting to 1");
+ proc_temp = 1;
+ }
+
+ senv.max_processors = proc_temp;
+ }
+ else if (!strcasecmp(directive, "minprocessors")) {
+ proc_temp = atoi(current->args);
+
+ if (proc_temp < 0) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MinProcessors >= 0, setting to 0");
+ proc_temp = 0;
+ }
+
+ senv.min_processors = proc_temp;
+ }
+ else if (!strcasecmp(directive, "minspareprocessors")) {
+ proc_temp = atoi(current->args);
- _DBG("user=%s:%d group=%s:%d chroot=%s",
- user_name, uid, group_name, gid, chroot);
+ if (proc_temp < 0) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MinSpareProcessors >= 0, setting to 0");
+ proc_temp = 0;
+ }
+
+ senv.min_free_processors = proc_temp;
+ }
+ else if (!strcasecmp(directive, "maxspareprocessors")) {
+ proc_temp = atoi(current->args);
+
+ if (proc_temp < 0) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MaxSpareProcessors >= 0, setting to 0");
+ proc_temp = 0;
+ }
+
+ senv.max_free_processors = proc_temp;
+ }
+ else if (!strcasecmp(directive, "cgroup")) {
+ senv.cgroup = ap_getword_conf(cmd->pool, &current->args);
+ }
+ else {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "Unknown directive %s in %s>", directive, cmd->cmd->name);
+ }
+ }
+
+ if (user_name == NULL || group_name == NULL) {
+ return apr_psprintf(cmd->temp_pool,
+ "Error: User or Group must be set in %s>", cmd->cmd->name);
+ }
+
+ senv.uid = ap_uname2id(user_name);
+ senv.gid = ap_gname2id(group_name);
+
+ _DBG("name=%s user=%s:%d group=%s:%d chroot=%s nice_lvl=%d",
+ senv.name, user_name, senv.uid, group_name, senv.gid, senv.chroot, senv.nice_lvl);
+
+ _DBG("min_processors=%d min_free_processors=%d max_spare_processors=%d max_processors=%d",
+ senv.min_processors, senv.min_free_processors, senv.max_free_processors, senv.max_processors);
return child_add(CHILD_TYPE_PROCESSOR, CHILD_STATUS_STANDBY,
- cmd->pool, uid, gid, chroot);
+ cmd->pool, &senv);
}
/* we define an Multiplexer child w/ specific uid/gid */
static const char *cf_Multiplexer(cmd_parms *cmd, void *dummy,
const char *user_name, const char *group_name, const char *chroot)
{
- uid_t uid = ap_uname2id(user_name);
- gid_t gid = ap_gname2id(group_name);
+ server_env_t senv;
+
+ senv.name = NULL;
+
+ senv.uid = ap_uname2id(user_name);
+ senv.gid = ap_gname2id(group_name);
+ senv.nice_lvl = 0;
+ senv.cgroup = NULL;
+ senv.chroot = chroot;
+
+ senv.min_processors = ap_min_multiplexers;
+ senv.min_free_processors = ap_min_free_processors;
+ senv.max_free_processors = ap_max_free_processors;
+ senv.max_processors = ap_max_multiplexers;
_DBG("user=%s:%d group=%s:%d chroot=%s [multiplexer id %d]",
- user_name, uid, group_name, gid, chroot, NUM_CHILDS);
+ user_name, senv.uid, group_name, senv.gid, senv.chroot, NUM_CHILDS);
return child_add(CHILD_TYPE_MULTIPLEXER, CHILD_STATUS_STARTING,
- cmd->pool, uid, gid, chroot);
+ cmd->pool, &senv);
}
static const char* cf_ServerEnvironment(cmd_parms *cmd, void *dummy,
- const char *user_name, const char *group_name, const char *chroot)
+ const char *name)
{
- int uid = ap_uname2id(user_name);
- int gid = ap_gname2id(group_name);
peruser_server_conf *sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
_DBG("function entered", 0);
- if (chroot && !ap_is_directory(cmd->pool, chroot))
- return apr_psprintf(cmd->pool, "Error: chroot directory [%s] does not exist", chroot);
+ sconf->senv = find_senv_by_name(name);
- sconf->senv = senv_add(uid, gid, chroot);
+ if (sconf->senv == NULL) {
+ return apr_psprintf(cmd->pool,
+ "Error: Processor %s not defined", name);
+ }
- _DBG("user=%s:%d group=%s:%d chroot=%s numchilds=%d",
- user_name, uid, group_name, gid, chroot, NUM_CHILDS);
+ _DBG("user=%d group=%d chroot=%s numchilds=%d",
+ sconf->senv->uid, sconf->senv->gid, sconf->senv->chroot, NUM_CHILDS);
return NULL;
}
@@ -3046,10 +3409,10 @@
min_procs = atoi(arg);
- if (min_procs < 1) {
+ if (min_procs < 0) {
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
- "WARNING: Require MaxProcessors > 0, setting to 1");
- min_procs = 1;
+ "WARNING: Require MinProcessors >= 0, setting to 0");
+ min_procs = 0;
}
if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
@@ -3075,10 +3438,10 @@
min_free_procs = atoi(arg);
- if (min_free_procs < 1) {
+ if (min_free_procs < 0) {
ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
- "WARNING: Require MinSpareProcessors > 0, setting to 1");
- min_free_procs = 1;
+ "WARNING: Require MinSpareProcessors >= 0, setting to 0");
+ min_free_procs = 0;
}
if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
@@ -3092,6 +3455,35 @@
return NULL;
}
+static const char *set_max_free_processors (cmd_parms *cmd, void *dummy, const char *arg)
+{
+ peruser_server_conf *sconf;
+ int max_free_procs;
+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ max_free_procs = atoi(arg);
+
+ if (max_free_procs < 0) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MaxSpareProcessors >= 0, setting to 0");
+ max_free_procs = 0;
+ }
+
+ if (ap_check_cmd_context(cmd, NOT_IN_VIRTUALHOST) != NULL) {
+ sconf = PERUSER_SERVER_CONF(cmd->server->module_config);
+ sconf->senv->max_free_processors = max_free_procs;
+ }
+ else {
+ ap_max_free_processors = max_free_procs;
+ }
+
+ return NULL;
+}
+
static const char *set_max_processors (cmd_parms *cmd, void *dummy, const char *arg)
{
peruser_server_conf *sconf;
@@ -3121,6 +3513,50 @@
return NULL;
}
+static const char *set_min_multiplexers (cmd_parms *cmd, void *dummy, const char *arg)
+{
+ int min_multiplexers;
+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ min_multiplexers = atoi(arg);
+
+ if (min_multiplexers < 1) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MinMultiplexers > 0, setting to 1");
+ min_multiplexers = 1;
+ }
+
+ ap_min_multiplexers = min_multiplexers;
+
+ return NULL;
+}
+
+static const char *set_max_multiplexers (cmd_parms *cmd, void *dummy, const char *arg)
+{
+ int max_multiplexers;
+ const char *err = ap_check_cmd_context(cmd, NOT_IN_DIR_LOC_FILE|NOT_IN_LIMIT);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ max_multiplexers = atoi(arg);
+
+ if (max_multiplexers < 1) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require MaxMultiplexers > 0, setting to 1");
+ max_multiplexers = 1;
+ }
+
+ ap_max_multiplexers = max_multiplexers;
+
+ return NULL;
+}
+
static const char *set_server_limit (cmd_parms *cmd, void *dummy, const char *arg)
{
int tmp_server_limit;
@@ -3183,6 +3619,42 @@
return NULL;
}
+static const char *set_multiplexer_idle_timeout (cmd_parms *cmd, void *dummy, const char *arg) {
+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ multiplexer_idle_timeout = atoi(arg);
+
+ return NULL;
+}
+
+static const char *set_processor_wait_timeout (cmd_parms *cmd, void *dummy, const char *timeout, const char *steps) {
+ const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
+
+ if (err != NULL) {
+ return err;
+ }
+
+ processor_wait_timeout = atoi(timeout);
+
+ if (steps != NULL) {
+ int steps_tmp = atoi(steps);
+
+ if (steps_tmp < 1) {
+ ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL,
+ "WARNING: Require ProcessorWaitTimeout steps > 0, setting to 1");
+ steps_tmp = 1;
+ }
+
+ processor_wait_steps = steps_tmp;
+ }
+
+ return NULL;
+}
+
static const command_rec peruser_cmds[] = {
UNIX_DAEMON_COMMANDS,
LISTEN_COMMANDS,
@@ -3190,23 +3662,33 @@
"Minimum number of idle children, to handle request spikes"),
AP_INIT_TAKE1("MinSpareServers", set_min_free_servers, NULL, RSRC_CONF,
"Minimum number of idle children, to handle request spikes"),
+AP_INIT_TAKE1("MaxSpareProcessors", set_max_free_processors, NULL, RSRC_CONF,
+ "Maximum number of idle children, 0 to disable"),
AP_INIT_TAKE1("MaxClients", set_max_clients, NULL, RSRC_CONF,
"Maximum number of children alive at the same time"),
AP_INIT_TAKE1("MinProcessors", set_min_processors, NULL, RSRC_CONF,
"Minimum number of processors per vhost"),
AP_INIT_TAKE1("MaxProcessors", set_max_processors, NULL, RSRC_CONF,
"Maximum number of processors per vhost"),
+AP_INIT_TAKE1("MinMultiplexers", set_min_multiplexers, NULL, RSRC_CONF,
+ "Minimum number of multiplexers the server can have"),
+AP_INIT_TAKE1("MaxMultiplexers", set_max_multiplexers, NULL, RSRC_CONF,
+ "Maximum number of multiplexers the server can have"),
AP_INIT_TAKE1("ServerLimit", set_server_limit, NULL, RSRC_CONF,
"Maximum value of MaxClients for this run of Apache"),
AP_INIT_TAKE1("ExpireTimeout", set_expire_timeout, NULL, RSRC_CONF,
- "Maximum idle time before a child is killed, 0 to disable"),
+ "Maximum time a child can live, 0 to disable"),
AP_INIT_TAKE1("IdleTimeout", set_idle_timeout, NULL, RSRC_CONF,
"Maximum time before a child is killed after being idle, 0 to disable"),
+AP_INIT_TAKE1("MultiplexerIdleTimeout", set_multiplexer_idle_timeout, NULL, RSRC_CONF,
+ "Maximum time before a multiplexer is killed after being idle, 0 to disable"),
+AP_INIT_TAKE12("ProcessorWaitTimeout", set_processor_wait_timeout, NULL, RSRC_CONF,
+ "Maximum time a multiplexer waits for the processor if it is busy"),
AP_INIT_TAKE23("Multiplexer", cf_Multiplexer, NULL, RSRC_CONF,
"Specify an Multiplexer Child configuration."),
-AP_INIT_TAKE23("Processor", cf_Processor, NULL, RSRC_CONF,
- "Specify a User and Group for a specific child process."),
-AP_INIT_TAKE23("ServerEnvironment", cf_ServerEnvironment, NULL, RSRC_CONF,
+AP_INIT_RAW_ARGS("<Processor", cf_Processor, NULL, RSRC_CONF,
+ "Specify settings for processor."),
+AP_INIT_TAKE1("ServerEnvironment", cf_ServerEnvironment, NULL, RSRC_CONF,
"Specify the server environment for this virtual host."),
{ NULL }
};
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