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Remaining changes to implement the prefork process model

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To use, run 'smbd -M prefork'

By default, only the smb service is preforked.  4 children are
created, and all listen for new connections.  The Linux Kernel 'wake
one' behaviour should ensure that only one is given the oportunity to
accept.  We need to look into the ideal number of worker children, as
well as load balancing behaviours.

To change, set:

prefork children : smb = 6

valid service names (smb in this example) match those in 'server services'.

Andrew Bartlett and David Disseldorp
This commit is contained in:
Andrew Bartlett
2008-02-04 17:59:16 +11:00
parent c961e7d74e
commit 35313c0aa3
6 changed files with 250 additions and 9 deletions
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7
source/smbd/process_thread.c
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@@ -148,6 +148,7 @@ static void *thread_task_fn(void *thread_parm)
*/
static void thread_new_task(struct event_context *ev,
struct loadparm_context *lp_ctx,
const char *service_name,
void (*new_task)(struct event_context *,
struct loadparm_context *,
uint32_t , void *),
@@ -178,10 +179,10 @@ static void thread_new_task(struct event_context *ev,
rc = pthread_create(&thread_id, &thread_attr, thread_task_fn, state);
pthread_attr_destroy(&thread_attr);
if (rc == 0) {
DEBUG(4,("thread_new_task: created thread_id=%lu\n",
(unsigned long int)thread_id));
DEBUG(4,("thread_new_task: created %s thread_id=%lu\n",
service_name, (unsigned long int)thread_id));
} else {
DEBUG(0,("thread_new_task: thread create failed rc=%d\n", rc));
DEBUG(0,("thread_new_task: thread create for %s failed rc=%d\n", service_name, rc));
talloc_free(ev2);
}
}