*/
#include "includes.h"
+#include "serverid.h"
+#include "messages.h"
#include "system/time.h"
#include "system/shmem.h"
#include "system/filesys.h"
}
}
+void prefork_warn_active_children(struct messaging_context *msg_ctx,
+ struct prefork_pool *pfp)
+{
+ const DATA_BLOB ping = data_blob_null;
+ int i;
+
+ for (i = 0; i < pfp->pool_size; i++) {
+ if (pfp->pool[i].status == PF_WORKER_NONE) {
+ continue;
+ }
+
+ messaging_send(msg_ctx,
+ pid_to_procid(pfp->pool[i].pid),
+ MSG_PREFORK_PARENT_EVENT, &ping);
+ }
+}
+
static void prefork_sigchld_handler(struct tevent_context *ev_ctx,
struct tevent_signal *se,
int signum, int count,
*/
void prefork_send_signal_to_all(struct prefork_pool *pfp, int signal_num);
+/**
+* @brief Send a message to all children that the server changed something
+* in the pool and they may want to take action.
+*
+* @param msg_ctx The messaging context.
+* @param pfp The pool.
+*/
+void prefork_warn_active_children(struct messaging_context *msg_ctx,
+ struct prefork_pool *pfp);
+
/**
* @brief Sets the SIGCHLD callback
*
time_t now = time(NULL);
int total, avail;
int ret, n;
+ bool msg = false;
if ((cfg->prefork_status & PFH_NEW_MAX) &&
!(cfg->prefork_status & PFH_ENOSPC)) {
if (n == avail) break;
n = avail;
}
+ msg = true;
} else if (avail > total + cfg->spawn_rate) {
n = avail;
while (avail > total + cfg->spawn_rate) {
}
}
+ /* send message to all children when we change maximum allowed
+ * connections, so that they can decide to start again to listen to
+ * sockets if they were already topping the number of allowed
+ * clients. Useful only when we increase allowed clients */
+ if (msg) {
+ prefork_warn_active_children(msg_ctx, pool);
+ }
+
DEBUG(10, ("Stats: children: %d, allowed connections: %d\n",
prefork_count_children(pool, NULL),
prefork_count_allowed_connections(pool)));