[Opensrf-commits] r1884 - trunk/src/libopensrf (scottmk)

svn at svn.open-ils.org svn at svn.open-ils.org
Mon Jan 4 22:58:56 EST 2010


Author: scottmk
Date: 2010-01-04 22:58:54 -0500 (Mon, 04 Jan 2010)
New Revision: 1884

Modified:
   trunk/src/libopensrf/osrf_prefork.c
Log:
Mostly tidying up white space and comments.  Also rearranged
the #includes a bit.

M    src/libopensrf/osrf_prefork.c


Modified: trunk/src/libopensrf/osrf_prefork.c
===================================================================
--- trunk/src/libopensrf/osrf_prefork.c	2010-01-03 19:28:02 UTC (rev 1883)
+++ trunk/src/libopensrf/osrf_prefork.c	2010-01-05 03:58:54 UTC (rev 1884)
@@ -1,27 +1,24 @@
-#include <opensrf/osrf_prefork.h>
-#include <opensrf/osrf_app_session.h>
-#include <opensrf/osrf_application.h>
 #include <signal.h>
+#include "opensrf/osrf_prefork.h"
+#include "opensrf/osrf_app_session.h"
+#include "opensrf/osrf_application.h"
 
-//#define READ_BUFSIZE 4096
 #define READ_BUFSIZE 1024
-//#define MAX_BUFSIZE 10485760 /* 10M enough? ;) */
 #define ABS_MAX_CHILDREN 256
 
-struct prefork_simple_struct {
+typedef struct {
 	int max_requests;
 	int min_children;
 	int max_children;
-	int fd;
-	int data_to_child;
-	int data_to_parent;
+	int fd;               /**< Unused. */
+	int data_to_child;    /**< Unused. */
+	int data_to_parent;   /**< Unused. */
 	int current_num_children;
-	int keepalive; /* keepalive time for stateful sessions */
+	int keepalive;        /**< keepalive time for stateful sessions. */
 	char* appname;
 	struct prefork_child_struct* first_child;
 	transport_client* connection;
-};
-typedef struct prefork_simple_struct prefork_simple;
+} prefork_simple;
 
 struct prefork_child_struct {
 	pid_t pid;
@@ -79,17 +76,17 @@
 
 	set_proc_title( "OpenSRF Listener [%s]", appname );
 
-	int maxr = 1000; 
+	int maxr = 1000;
 	int maxc = 10;
 	int minc = 3;
-    int kalive = 5;
+	int kalive = 5;
 
 	osrfLogInfo( OSRF_LOG_MARK, "Loading config in osrf_forker for app %s", appname);
 
-	char* max_req = osrf_settings_host_value("/apps/%s/unix_config/max_requests", appname);
+	char* max_req      = osrf_settings_host_value("/apps/%s/unix_config/max_requests", appname);
 	char* min_children = osrf_settings_host_value("/apps/%s/unix_config/min_children", appname);
 	char* max_children = osrf_settings_host_value("/apps/%s/unix_config/max_children", appname);
-	char* keepalive	= osrf_settings_host_value("/apps/%s/keepalive", appname);
+	char* keepalive    = osrf_settings_host_value("/apps/%s/keepalive", appname);
 
 	if(!keepalive) osrfLogWarning( OSRF_LOG_MARK, "Keepalive is not defined, assuming %d", kalive);
 	else kalive = atoi(keepalive);
@@ -97,13 +94,15 @@
 	if(!max_req) osrfLogWarning( OSRF_LOG_MARK, "Max requests not defined, assuming %d", maxr);
 	else maxr = atoi(max_req);
 
-	if(!min_children) osrfLogWarning( OSRF_LOG_MARK, "Min children not defined, assuming %d", minc);
+	if(!min_children) osrfLogWarning( OSRF_LOG_MARK,
+			"Min children not defined, assuming %d", minc);
 	else minc = atoi(min_children);
 
-	if(!max_children) osrfLogWarning( OSRF_LOG_MARK, "Max children not defined, assuming %d", maxc);
+	if(!max_children) osrfLogWarning( OSRF_LOG_MARK,
+			"Max children not defined, assuming %d", maxc);
 	else maxc = atoi(max_children);
 
-    free(keepalive);
+	free(keepalive);
 	free(max_req);
 	free(min_children);
 	free(max_children);
@@ -127,16 +126,16 @@
 		return -1;
 	}
 
-	forker->appname = strdup(appname);
-	forker->keepalive	= kalive;
+	forker->appname   = strdup(appname);
+	forker->keepalive = kalive;
 
 	prefork_launch_children(forker);
 
 	osrf_prefork_register_routers(appname);
-	
+
 	osrfLogInfo( OSRF_LOG_MARK, "Launching osrf_forker for app %s", appname);
 	prefork_run(forker);
-	
+
 	osrfLogWarning( OSRF_LOG_MARK, "prefork_run() retuned - how??");
 	prefork_free(forker);
 	return 0;
@@ -146,13 +145,13 @@
 /* sends the "register" packet to the specified router */
 static void osrf_prefork_send_router_registration(const char* appname, const char* routerName, const char* routerDomain) {
 	transport_client* client = osrfSystemGetTransportClient();
-    char* jid = va_list_to_string( "%s@%s/router", routerName, routerDomain );
-    osrfLogInfo( OSRF_LOG_MARK, "%s registering with router %s", appname, jid );
-    transport_message* msg = message_init("registering", NULL, NULL, jid, NULL );
-    message_set_router_info( msg, NULL, NULL, appname, "register", 0 );
-    client_send_message( client, msg );
-    message_free( msg );
-    free(jid);
+	char* jid = va_list_to_string( "%s@%s/router", routerName, routerDomain );
+	osrfLogInfo( OSRF_LOG_MARK, "%s registering with router %s", appname, jid );
+	transport_message* msg = message_init("registering", NULL, NULL, jid, NULL );
+	message_set_router_info( msg, NULL, NULL, appname, "register", 0 );
+	client_send_message( client, msg );
+	message_free( msg );
+	free(jid);
 }
 
 /** parses a single "complex" router configuration chunk */
@@ -161,7 +160,8 @@
 	const char* routerName = jsonObjectGetString(jsonObjectGetKeyConst(routerChunk, "name"));
 	const char* domain = jsonObjectGetString(jsonObjectGetKeyConst(routerChunk, "domain"));
 	const jsonObject* services = jsonObjectGetKeyConst(routerChunk, "services");
-	osrfLogDebug(OSRF_LOG_MARK, "found router config with domain %s and name %s", routerName, domain);
+	osrfLogDebug(OSRF_LOG_MARK, "found router config with domain %s and name %s",
+			routerName, domain);
 
 	if( services && services->type == JSON_HASH ) {
 		osrfLogDebug(OSRF_LOG_MARK, "investigating router information...");
@@ -187,23 +187,24 @@
 
 static void osrf_prefork_register_routers( const char* appname ) {
 
-    jsonObject* routerInfo = osrfConfigGetValueObject(NULL, "/routers/router");
+	jsonObject* routerInfo = osrfConfigGetValueObject(NULL, "/routers/router");
 
-    int i;
-    for(i = 0; i < routerInfo->size; i++) {
-        jsonObject* routerChunk = jsonObjectGetIndex(routerInfo, i);
+	int i;
+	for(i = 0; i < routerInfo->size; i++) {
+		jsonObject* routerChunk = jsonObjectGetIndex(routerInfo, i);
 
-        if(routerChunk->type == JSON_STRING) {
-            /* this accomodates simple router configs */
-            char* routerName = osrfConfigGetValue( NULL, "/router_name" );
-            char* domain = osrfConfigGetValue(NULL, "/routers/router");
-            osrfLogDebug(OSRF_LOG_MARK, "found simple router settings with router name %s", routerName);
-            osrf_prefork_send_router_registration(appname, routerName, domain);
+		if(routerChunk->type == JSON_STRING) {
+			/* this accomodates simple router configs */
+			char* routerName = osrfConfigGetValue( NULL, "/router_name" );
+			char* domain = osrfConfigGetValue(NULL, "/routers/router");
+			osrfLogDebug(OSRF_LOG_MARK, "found simple router settings with router name %s",
+					routerName);
+			osrf_prefork_send_router_registration(appname, routerName, domain);
 
-        } else {
-            osrf_prefork_parse_router_chunk(appname, routerChunk);
-        }
-    }
+		} else {
+			osrf_prefork_parse_router_chunk(appname, routerChunk);
+		}
+	}
 }
 
 static int prefork_child_init_hook(prefork_child* child) {
@@ -211,18 +212,17 @@
 	if(!child) return -1;
 	osrfLogDebug( OSRF_LOG_MARK, "Child init hook for child %d", child->pid);
 
-    osrfSystemInitCache();
+	osrfSystemInitCache();
 	char* resc = va_list_to_string("%s_drone",child->appname);
 
-   /* if we're a source-client, tell the logger now that we're a new process*/
-   char* isclient = osrfConfigGetValue(NULL, "/client");
-   if( isclient && !strcasecmp(isclient,"true") )
-      osrfLogSetIsClient(1);
-   free(isclient);
+	/* if we're a source-client, tell the logger now that we're a new process*/
+	char* isclient = osrfConfigGetValue(NULL, "/client");
+	if( isclient && !strcasecmp(isclient,"true") )
+		osrfLogSetIsClient(1);
+	free(isclient);
 
-
-	/* we want to remove traces of our parents socket connection 
-	 * so we can have our own */
+	/* we want to remove traces of our parents socket connection
+	* so we can have our own */
 	osrfSystemIgnoreTransportClient();
 
 	if(!osrfSystemBootstrapClientResc( NULL, NULL, resc)) {
@@ -253,10 +253,10 @@
 		osrfSystemIgnoreTransportClient();
 		osrfLogWarning(OSRF_LOG_MARK, "Reconnecting child to opensrf after disconnect...");
 		if(!osrf_system_bootstrap_client(NULL, NULL)) {
-			osrfLogError( OSRF_LOG_MARK, 
+			osrfLogError( OSRF_LOG_MARK,
 				"Unable to bootstrap client in prefork_child_process_request()");
 			sleep(1);
-         osrf_prefork_child_exit(child);
+			osrf_prefork_child_exit(child);
 		}
 	}
 
@@ -280,11 +280,11 @@
 
 	while(1) {
 
-		osrfLogDebug(OSRF_LOG_MARK, 
+		osrfLogDebug(OSRF_LOG_MARK,
 				"osrf_prefork calling queue_wait [%d] in keepalive loop", keepalive);
-		start		= time(NULL);
-		retval	= osrf_app_session_queue_wait(session, keepalive, &recvd);
-		end		= time(NULL);
+		start   = time(NULL);
+		retval  = osrf_app_session_queue_wait(session, keepalive, &recvd);
+		end     = time(NULL);
 
 		osrfLogDebug(OSRF_LOG_MARK, "Data received == %d", recvd);
 
@@ -298,11 +298,12 @@
 
 		/* if no data was reveived within the timeout interval */
 		if( !recvd && (end - start) >= keepalive ) {
-			osrfLogInfo(OSRF_LOG_MARK, "No request was received in %d seconds, exiting stateful session", keepalive);
-			osrfAppSessionStatus( 
-					session, 
-					OSRF_STATUS_TIMEOUT, 
-					"osrfConnectStatus", 
+			osrfLogInfo(OSRF_LOG_MARK,
+					"No request was received in %d seconds, exiting stateful session", keepalive);
+			osrfAppSessionStatus(
+					session,
+					OSRF_STATUS_TIMEOUT,
+					"osrfConnectStatus",
 					0, "Disconnected on timeout" );
 
 			break;
@@ -315,7 +316,7 @@
 }
 
 
-static prefork_simple*  prefork_simple_init( transport_client* client, 
+static prefork_simple*  prefork_simple_init( transport_client* client,
 		int max_requests, int min_children, int max_children ) {
 
 	if( min_children > max_children ) {
@@ -334,7 +335,7 @@
 		"min_children=%d, max_children=%d", max_requests, min_children, max_children );
 
 	/* flesh out the struct */
-	prefork_simple* prefork = (prefork_simple*) safe_malloc(sizeof(prefork_simple));	
+	prefork_simple* prefork = safe_malloc(sizeof(prefork_simple));
 	prefork->max_requests = max_requests;
 	prefork->min_children = min_children;
 	prefork->max_children = max_children;
@@ -344,8 +345,8 @@
 	prefork->current_num_children = 0;
 	prefork->keepalive    = 0;
 	prefork->appname      = NULL;
-	prefork->first_child = NULL;
-	prefork->connection = client;
+	prefork->first_child  = NULL;
+	prefork->connection   = client;
 
 	return prefork;
 }
@@ -367,8 +368,9 @@
 		return NULL;
 	}
 
-	osrfLogInternal( OSRF_LOG_MARK,  "Pipes: %d %d %d %d", data_fd[0], data_fd[1], status_fd[0], status_fd[1] );
-	prefork_child* child = prefork_child_init( forker->max_requests, data_fd[0], 
+	osrfLogInternal( OSRF_LOG_MARK,  "Pipes: %d %d %d %d",
+			data_fd[0], data_fd[1], status_fd[0], status_fd[1] );
+	prefork_child* child = prefork_child_init( forker->max_requests, data_fd[0],
 			data_fd[1], status_fd[0], status_fd[1] );
 
 	child->appname = strdup(forker->appname);
@@ -396,8 +398,9 @@
 
 	else { /* child */
 
-		osrfLogInternal( OSRF_LOG_MARK, "I am  new child with read_data_fd = %d and write_status_fd = %d",
-			child->read_data_fd, child->write_status_fd );
+		osrfLogInternal( OSRF_LOG_MARK,
+				"I am  new child with read_data_fd = %d and write_status_fd = %d",
+				child->read_data_fd, child->write_status_fd );
 
 		child->pid = getpid();
 		close( child->write_data_fd );
@@ -405,20 +408,20 @@
 
 		/* do the initing */
 		if( prefork_child_init_hook(child) == -1 ) {
-			osrfLogError(OSRF_LOG_MARK, 
+			osrfLogError(OSRF_LOG_MARK,
 				"Forker child going away because we could not connect to OpenSRF...");
-         osrf_prefork_child_exit(child);
+			osrf_prefork_child_exit(child);
 		}
 
 		prefork_child_wait( child );
-      osrf_prefork_child_exit(child); /* just to be sure */
-	 }
+		osrf_prefork_child_exit(child); /* just to be sure */
+	}
 	return NULL;
 }
 
 static void osrf_prefork_child_exit(prefork_child* child) {
-   osrfAppRunExitCode();
-   exit(0);
+	osrfAppRunExitCode();
+	exit(0);
 }
 
 static void prefork_launch_children( prefork_simple* forker ) {
@@ -440,11 +443,11 @@
 	pid_t child_pid;
 	int status;
 
-	while( (child_pid=waitpid(-1,&status,WNOHANG)) > 0) 
-		del_prefork_child( forker, child_pid ); 
+	while( (child_pid=waitpid(-1,&status,WNOHANG)) > 0)
+		del_prefork_child( forker, child_pid );
 
 	/* replenish */
-	while( forker->current_num_children < forker->min_children ) 
+	while( forker->current_num_children < forker->min_children )
 		launch_child( forker );
 
 	child_dead = 0;
@@ -472,12 +475,12 @@
 
 		if( cur_msg == NULL ) continue;
 
-		int honored = 0;	/* true if we've serviced the request */
+		int honored = 0;     /* true if we've serviced the request */
 		int no_recheck = 0;
 
 		while( ! honored ) {
 
-			if(!no_recheck) check_children( forker, 0 ); 
+			if(!no_recheck) check_children( forker, 0 );
 			no_recheck = 0;
 
 			osrfLogDebug( OSRF_LOG_MARK,  "Server received inbound data" );
@@ -487,9 +490,11 @@
 			/* Look for an available child */
 			for( k = 0; k < forker->current_num_children; k++ ) {
 
-				osrfLogInternal( OSRF_LOG_MARK, "Searching for available child. cur_child->pid = %d", cur_child->pid );
-				osrfLogInternal( OSRF_LOG_MARK, "Current num children %d and loop %d", forker->current_num_children, k);
-			
+				osrfLogInternal( OSRF_LOG_MARK,
+						"Searching for available child. cur_child->pid = %d", cur_child->pid );
+				osrfLogInternal( OSRF_LOG_MARK, "Current num children %d and loop %d",
+						forker->current_num_children, k);
+
 				if( cur_child->available ) {
 					osrfLogDebug( OSRF_LOG_MARK,  "forker sending data to %d", cur_child->pid );
 
@@ -498,24 +503,22 @@
 					if( ! data || strlen(data) < 1 ) break;
 
 					cur_child->available = 0;
-					osrfLogInternal( OSRF_LOG_MARK,  "Writing to child fd %d", cur_child->write_data_fd );
+					osrfLogInternal( OSRF_LOG_MARK, "Writing to child fd %d",
+							cur_child->write_data_fd );
 
 					int written = 0;
-					//fprintf(stderr, "Writing Data %f\n", get_timestamp_millis() );
 					if( (written = write( cur_child->write_data_fd, data, strlen(data) + 1 )) < 0 ) {
 						osrfLogWarning( OSRF_LOG_MARK, "Write returned error %d", errno);
 						cur_child = cur_child->next;
 						continue;
 					}
 
-					//fprintf(stderr, "Wrote %d bytes to child\n", written);
-
 					forker->first_child = cur_child->next;
 					honored = 1;
 					break;
-				} else 
+				} else
 					cur_child = cur_child->next;
-			} 
+			}
 
 			/* if none available, add a new child if we can */
 			if( ! honored ) {
@@ -526,27 +529,27 @@
 							forker->current_num_children );
 
 					prefork_child* new_child = launch_child( forker );
-                    if( new_child ) {
+					if( new_child ) {
 
-					    message_prepare_xml( cur_msg );
-					    char* data = cur_msg->msg_xml;
+						message_prepare_xml( cur_msg );
+						char* data = cur_msg->msg_xml;
 
-                        if( data ) {
-                            int len = strlen(data);
+						if( data ) {
+							int len = strlen(data);
 
-                            if( len > 0 ) {
-					            new_child->available = 0;
-					            osrfLogDebug( OSRF_LOG_MARK,  "Writing to new child fd %d : pid %d", 
-							        new_child->write_data_fd, new_child->pid );
-        
-					            if( write( new_child->write_data_fd, data, len + 1 ) >= 0 ) {
-					                forker->first_child = new_child->next;
-					                honored = 1;
-                                }
-                            }
-                        }
-                    }
+							if( len > 0 ) {
+								new_child->available = 0;
+								osrfLogDebug( OSRF_LOG_MARK, "Writing to new child fd %d : pid %d",
+										new_child->write_data_fd, new_child->pid );
 
+								if( write( new_child->write_data_fd, data, len + 1 ) >= 0 ) {
+									forker->first_child = new_child->next;
+									honored = 1;
+								}
+							}
+						}
+					}
+
 				}
 			}
 
@@ -574,10 +577,9 @@
 
 
 /** XXX Add a flag which tells select() to wait forever on children
- * in the best case, this will be faster than calling usleep(x), and
- * in the worst case it won't be slower and will do less logging...
- */
-
+	in the best case, this will be faster than calling usleep(x), and
+	in the worst case it won't be slower and will do less logging...
+*/
 static void check_children( prefork_simple* forker, int forever ) {
 
 	//check_begin:
@@ -603,22 +605,24 @@
 		cur_child = cur_child->next;
 	}
 
-	FD_CLR(0,&read_set);/* just to be sure */
+	FD_CLR(0,&read_set); /* just to be sure */
 
 	if( forever ) {
-		osrfLogWarning(OSRF_LOG_MARK, "We have no children available - waiting for one to show up...");
+		osrfLogWarning(OSRF_LOG_MARK,
+				"We have no children available - waiting for one to show up...");
 
 		if( (select_ret=select( max_fd + 1 , &read_set, NULL, NULL, NULL)) == -1 ) {
 			osrfLogWarning( OSRF_LOG_MARK,  "Select returned error %d on check_children", errno );
 		}
-		osrfLogInfo(OSRF_LOG_MARK, "select() completed after waiting on children to become available");
+		osrfLogInfo(OSRF_LOG_MARK,
+				"select() completed after waiting on children to become available");
 
 	} else {
 
 		struct timeval tv;
-		tv.tv_sec	= 0;
-		tv.tv_usec	= 0;
-	
+		tv.tv_sec   = 0;
+		tv.tv_usec  = 0;
+
 		if( (select_ret=select( max_fd + 1 , &read_set, NULL, NULL, &tv)) == -1 ) {
 			osrfLogWarning( OSRF_LOG_MARK,  "Select returned error %d on check_children", errno );
 		}
@@ -635,7 +639,8 @@
 
 		if( FD_ISSET( cur_child->read_status_fd, &read_set ) ) {
 			//printf( "Server received status from a child %d\n", cur_child->pid );
-			osrfLogDebug( OSRF_LOG_MARK,  "Server received status from a child %d", cur_child->pid );
+			osrfLogDebug( OSRF_LOG_MARK,
+					"Server received status from a child %d", cur_child->pid );
 
 			num_handled++;
 
@@ -643,7 +648,8 @@
 			char buf[64];
 			osrf_clearbuf( buf, sizeof(buf) );
 			if( (n=read(cur_child->read_status_fd, buf, sizeof(buf) - 1)) < 0 ) {
-				osrfLogWarning( OSRF_LOG_MARK, "Read error after select in child status read with errno %d", errno);
+				osrfLogWarning( OSRF_LOG_MARK,
+						"Read error after select in child status read with errno %d", errno);
 			}
 			else {
 				buf[n] = '\0';
@@ -652,7 +658,7 @@
 			cur_child->available = 1;
 		}
 		cur_child = cur_child->next;
-	} 
+	}
 
 }
 
@@ -682,13 +688,14 @@
 
 		if( errno == EAGAIN ) n = 0;
 
-      if( errno == EPIPE ) {
-         osrfLogDebug(OSRF_LOG_MARK, "C child attempted read on broken pipe, exiting...");
-         break;
-      }
+		if( errno == EPIPE ) {
+			osrfLogDebug(OSRF_LOG_MARK, "C child attempted read on broken pipe, exiting...");
+			break;
+		}
 
 		if( n < 0 ) {
-			osrfLogWarning( OSRF_LOG_MARK,  "Prefork child read returned error with errno %d", errno );
+			osrfLogWarning( OSRF_LOG_MARK,
+					"Prefork child read returned error with errno %d", errno );
 			break;
 
 		} else if( gotdata ) {
@@ -697,39 +704,39 @@
 			buffer_reset( gbuf );
 		}
 
-		if( i < child->max_requests - 1 ) 
+		if( i < child->max_requests - 1 )
 			write( child->write_status_fd, "available" /*less than 64 bytes*/, 9 );
 	}
 
 	buffer_free(gbuf);
 
-	osrfLogDebug( OSRF_LOG_MARK, "Child with max-requests=%d, num-served=%d exiting...[%ld]", 
+	osrfLogDebug( OSRF_LOG_MARK, "Child with max-requests=%d, num-served=%d exiting...[%ld]",
 			child->max_requests, i, (long) getpid() );
 
-   osrf_prefork_child_exit(child); /* just to be sure */
+	osrf_prefork_child_exit(child); /* just to be sure */
 }
 
 
 static void add_prefork_child( prefork_simple* forker, prefork_child* child ) {
-	
+
 	if( forker->first_child == NULL ) {
 		forker->first_child = child;
 		child->next = child;
 		return;
 	}
 
-	/* we put the child in as the last because, regardless, 
+	/* we put the child in as the last because, regardless,
 		we have to do the DLL splice dance, and this is the
-	   simplest way */
+		simplest way */
 
 	prefork_child* start_child = forker->first_child;
 	while(1) {
-		if( forker->first_child->next == start_child ) 
+		if( forker->first_child->next == start_child )
 			break;
 		forker->first_child = forker->first_child->next;
 	}
 
-	/* here we know that forker->first_child is the last element 
+	/* here we know that forker->first_child is the last element
 		in the list and start_child is the first.  Insert the
 		new child between them*/
 
@@ -740,18 +747,18 @@
 
 //static prefork_child* find_prefork_child( prefork_simple* forker, pid_t pid ) {
 //
-//	if( forker->first_child == NULL ) { return NULL; }
-//	prefork_child* start_child = forker->first_child;
-//	do {
-//		if( forker->first_child->pid == pid ) 
-//			return forker->first_child;
-//	} while( (forker->first_child = forker->first_child->next) != start_child );
+//  if( forker->first_child == NULL ) { return NULL; }
+//  prefork_child* start_child = forker->first_child;
+//  do {
+//      if( forker->first_child->pid == pid )
+//          return forker->first_child;
+//  } while( (forker->first_child = forker->first_child->next) != start_child );
 //
-//	return NULL;
+//  return NULL;
 //}
 
 
-static void del_prefork_child( prefork_simple* forker, pid_t pid ) { 
+static void del_prefork_child( prefork_simple* forker, pid_t pid ) {
 
 	if( forker->first_child == NULL ) { return; }
 
@@ -759,8 +766,8 @@
 	osrfLogDebug( OSRF_LOG_MARK, "Deleting Child: %d", pid );
 
 	prefork_child* start_child = forker->first_child; /* starting point */
-	prefork_child* cur_child	= start_child; /* current pointer */
-	prefork_child* prev_child	= start_child; /* the trailing pointer */
+	prefork_child* cur_child   = start_child; /* current pointer */
+	prefork_child* prev_child  = start_child; /* the trailing pointer */
 
 	/* special case where there is only one in the list */
 	if( start_child == start_child->next ) {
@@ -779,13 +786,13 @@
 
 
 	/* special case where the first item in the list needs to be removed */
-	if( start_child->pid == pid ) { 
+	if( start_child->pid == pid ) {
 
 		/* find the last one so we can remove the start_child */
-		do { 
+		do {
 			prev_child = cur_child;
 			cur_child = cur_child->next;
-		}while( cur_child != start_child );
+		} while( cur_child != start_child );
 
 		/* now cur_child == start_child */
 		prev_child->next = cur_child->next;
@@ -798,7 +805,7 @@
 
 		prefork_child_free( cur_child );
 		return;
-	} 
+	}
 
 	do {
 		prev_child = cur_child;
@@ -822,19 +829,19 @@
 
 
 
-static prefork_child* prefork_child_init( 
-	int max_requests, int read_data_fd, int write_data_fd, 
+static prefork_child* prefork_child_init(
+	int max_requests, int read_data_fd, int write_data_fd,
 	int read_status_fd, int write_status_fd ) {
 
 	prefork_child* child = (prefork_child*) safe_malloc(sizeof(prefork_child));
 	child->pid              = 0;
-	child->max_requests		= max_requests;
-	child->read_data_fd		= read_data_fd;
-	child->write_data_fd		= write_data_fd;
-	child->read_status_fd	= read_status_fd;
-	child->write_status_fd	= write_status_fd;
+	child->max_requests     = max_requests;
+	child->read_data_fd     = read_data_fd;
+	child->write_data_fd    = write_data_fd;
+	child->read_status_fd   = read_status_fd;
+	child->write_status_fd  = write_status_fd;
 	child->min_children     = 0;
-	child->available			= 1;
+	child->available        = 1;
 	child->appname          = NULL;
 	child->keepalive        = 0;
 	child->next             = NULL;
@@ -844,10 +851,10 @@
 
 
 static int prefork_free( prefork_simple* prefork ) {
-	
+
 	while( prefork->first_child != NULL ) {
-		osrfLogInfo( OSRF_LOG_MARK,  "Killing children and sleeping 1 to reap..." );
-		kill( 0,	SIGKILL );
+		osrfLogInfo( OSRF_LOG_MARK, "Killing children and sleeping 1 to reap..." );
+		kill( 0, SIGKILL );
 		sleep(1);
 	}
 
@@ -857,11 +864,10 @@
 	return 1;
 }
 
-static int prefork_child_free( prefork_child* child ) { 
+static int prefork_child_free( prefork_child* child ) {
 	free(child->appname);
 	close(child->read_data_fd);
 	close(child->write_status_fd);
-	free( child ); 
+	free( child );
 	return 1;
 }
-



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