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From 44cb33f417d62210759c1730ca13bb03165c47ad Mon Sep 17 00:00:00 2001
From: Jakub Filak <jfilak@redhat.com>
Date: Tue, 19 Jul 2016 20:33:06 +0200
Subject: [PATCH] handle-event: stop creating post-create lock

Since the post-create synchronization has been moved to abrtd and
abrt-server, there is no need to crate the post-create.lock file.

Resolves #1132459

Signed-off-by: Jakub Filak <jfilak@redhat.com>
---
 src/daemon/abrt-handle-event.c | 58 ------------------------------------------
 1 file changed, 58 deletions(-)

diff --git a/src/daemon/abrt-handle-event.c b/src/daemon/abrt-handle-event.c
index 8870901..caed577 100644
--- a/src/daemon/abrt-handle-event.c
+++ b/src/daemon/abrt-handle-event.c
@@ -318,51 +318,6 @@ end:
     return retval;
 }
 
-static void create_lockfile(void)
-{
-    char pid_str[sizeof(long)*3 + 4];
-    sprintf(pid_str, "%lu", (long)getpid());
-    char *lock_filename = concat_path_file(g_settings_dump_location, "post-create.lock");
-
-    /* Someone else's post-create may take a long-ish time to finish.
-     * For example, I had a failing email sending there, it took
-     * a minute to time out.
-     * That's why timeout is large (100 seconds):
-     */
-    int count = 100;
-    while (1)
-    {
-        /* Return values:
-         * -1: error (in this case, errno is 0 if error message is already logged)
-         *  0: failed to lock (someone else has it locked)
-         *  1: success
-         */
-        int r = create_symlink_lockfile(lock_filename, pid_str);
-    if (r > 0)
-            break;
-    if (r < 0)
-            error_msg_and_die("Can't create '%s'", lock_filename);
-    if (--count == 0)
-        {
-            /* Someone else's post-create process is alive but stuck.
-             * Don't wait forever.
-             */
-            error_msg("Stale lock '%s', removing it", lock_filename);
-            xunlink(lock_filename);
-            break;
-        }
-        sleep(1);
-    }
-    free(lock_filename);
-}
-
-static void delete_lockfile(void)
-{
-    char *lock_filename = concat_path_file(g_settings_dump_location, "post-create.lock");
-    xunlink(lock_filename);
-    free(lock_filename);
-}
-
 static char *do_log(char *log_line, void *param)
 {
     /* We pipe output of events to our log.
@@ -428,23 +383,10 @@ int main(int argc, char **argv)
             make_run_event_state_forwarding(run_state);
         run_state->logging_callback = do_log;
         if (post_create)
-        {
             run_state->post_run_callback = is_crash_a_dup;
-            /*
-             * The post-create event cannot be run concurrently for more problem
-             * directories. The problem is in searching for duplicates process
-             * in case when two concurrently processed directories are duplicates
-             * of each other. Both of the directories are marked as duplicates
-             * of each other and are deleted.
-             */
-            create_lockfile();
-        }
 
         int r = run_event_on_dir_name(run_state, dump_dir_name, event_name);
 
-        if (post_create)
-            delete_lockfile();
-
         const bool no_action_for_event = (r == 0 && run_state->children_count == 0);
 
         free_run_event_state(run_state);
-- 
1.8.3.1