1 files changed, 0 insertions, 98 deletions
diff --git a/src/fluent-bit/plugins/in_tail/tail_signal.h b/src/fluent-bit/plugins/in_tail/tail_signal.h
deleted file mode 100644
index 1a81fec64..000000000
--- a/src/fluent-bit/plugins/in_tail/tail_signal.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-
-/*  Fluent Bit
- *  ==========
- *  Copyright (C) 2015-2022 The Fluent Bit Authors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-#ifndef FLB_TAIL_SIGNAL_H
-#define FLB_TAIL_SIGNAL_H
-
-#include "tail_config.h"
-
-static inline int tail_signal_manager(struct flb_tail_config *ctx)
-{
-    int n;
-    uint64_t val = 0xc001;
-
-    /*
-     * The number of signal reads might be less than the written signals, this
-     * means that some event is still pending in the queue. On that case we
-     * don't need to signal it again.
-     */
-    if (ctx->ch_reads < ctx->ch_writes) {
-        return 1;
-    }
-
-    /* Reset counters: prevent an overflow, unlikely..but let's keep safe */
-    if (ctx->ch_reads == ctx->ch_writes) {
-        ctx->ch_reads = 0;
-        ctx->ch_writes = 0;
-    }
-
-    /* Insert a dummy event into the channel manager */
-    n = flb_pipe_w(ctx->ch_manager[1], (const char *) &val, sizeof(val));
-    if (n == -1) {
-        flb_errno();
-        return -1;
-    }
-    else {
-        ctx->ch_writes++;
-    }
-
-    return n;
-}
-
-static inline int tail_signal_pending(struct flb_tail_config *ctx)
-{
-    int n;
-    uint64_t val = 0xc002;
-
-    /* Insert a dummy event into the 'pending' channel */
-    n = flb_pipe_w(ctx->ch_pending[1], (const char *) &val, sizeof(val));
-
-    /*
-     * If we get EAGAIN, it simply means pending channel is full. As
-     * notification is already pending, it's safe to ignore.
-     */
-    if (n == -1 && !FLB_PIPE_WOULDBLOCK()) {
-        flb_errno();
-        return -1;
-    }
-
-    return n;
-}
-
-static inline int tail_consume_pending(struct flb_tail_config *ctx)
-{
-    int ret;
-    uint64_t val;
-
-    /*
-     * We need to consume the pending bytes. Loop until we would have
-     * blocked (pipe is empty).
-     */
-    do {
-        ret = flb_pipe_r(ctx->ch_pending[0], (char *) &val, sizeof(val));
-        if (ret <= 0 && !FLB_PIPE_WOULDBLOCK()) {
-            flb_errno();
-            return -1;
-        }
-    } while (!FLB_PIPE_WOULDBLOCK());
-
-    return 0;
-}
-
-#endif