server: Fix memory leak at exit.

[paraslash.git] / server.c

diff --git a/server.c b/server.c
index eee0a4128e9218233dad9e316d6cc9c1658a6cbb..d51e4e0bfe5b33c341ff744eda4f9380bd666844 100644 (file)
--- a/server.c
+++ b/server.c
@@ -110,7 +110,7 @@ static struct signal_task *signal_task;
 /** The process id of the audio file selector process. */
 pid_t afs_pid = 0;
 
-/* The the main server process (parent of afs and the command handlers). */
+/* The main server process (parent of afs and the command handlers). */
 static pid_t server_pid;
 
 /**
@@ -298,14 +298,14 @@ static int signal_post_select(struct sched *s, __a_unused void *context)
                        if (pid != afs_pid)
                                continue;
                        PARA_EMERG_LOG("fatal: afs died\n");
-                       kill(0, SIGTERM);
-                       goto cleanup;
+                       goto genocide;
                }
                break;
        /* die on sigint/sigterm. Kill all children too. */
        case SIGINT:
        case SIGTERM:
                PARA_EMERG_LOG("terminating on signal %d\n", signum);
+genocide:
                kill(0, SIGTERM);
                /*
                 * We must wait for all of our children to die. For the afs
@@ -320,7 +320,6 @@ static int signal_post_select(struct sched *s, __a_unused void *context)
                while (wait(NULL) != -1 || errno != ECHILD)
                        ; /* still at least one child alive */
                mutex_lock(mmd_mutex);
-cleanup:
                free(mmd->afd.afhi.chunk_table);
                task_notify_all(s, E_DEADLY_SIGNAL);
                return -E_DEADLY_SIGNAL;
@@ -433,15 +432,16 @@ static int command_post_select(struct sched *s, void *context)
 
        ret = task_get_notification(sct->task);
        if (ret < 0)
-               return ret;
+               goto fail;
        for (n = 0; n < sct->num_listen_fds; n++) {
                ret = command_task_accept(n, s, sct);
-               if (ret < 0) {
-                       free(sct->listen_fds);
-                       return ret;
-               }
+               if (ret < 0)
+                       goto fail;
        }
        return 0;
+fail:
+       free(sct->listen_fds);
+       return ret;
 }
 
 static void init_server_command_task(struct server_command_task *sct,
@@ -488,6 +488,13 @@ static void init_server_command_task(struct server_command_task *sct,
                .post_select = command_post_select,
                .context = sct,
        }, &sched);
+       /*
+        * Detect whether the abstract Unix domain socket space is supported,
+        * but do not create the socket. We check this once in server context
+        * so that the command handlers inherit this bit of information and
+        * don't need to check again.
+        */
+       create_local_socket(NULL);
        return;
 err:
        PARA_EMERG_LOG("%s\n", para_strerror(-ret));
@@ -576,9 +583,6 @@ static void server_init(int argc, char **argv, struct server_command_task *sct)
        init_ipc_or_die(); /* init mmd struct, mmd and log mutex */
        daemon_set_start_time();
        daemon_set_hooks(pre_log_hook, post_log_hook);
-       PARA_NOTICE_LOG("initializing audio format handlers\n");
-       afh_init();
-
        /*
         * Although afs uses its own signal handling we must ignore SIGUSR1
         * _before_ the afs child process gets born by init_afs() below.  It's