mirror of
https://github.com/PaddlePaddle/FastDeploy.git
synced 2026-04-23 00:17:25 +08:00
Yonghua Li
7c8c0a3c02
* [BugFix] replace ftok with custom_ftok in get_output/save_output ops * [Test] add unit test for custom_ftok * [Chore] create custom_ftok.h * [Chore] reorganize header file * [Fix] fix cache messager msg_queue_id+rank_id conflict
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
// Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <errno.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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// Custom ftok that uses the low 20 bits of id instead of only 8 bits.
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// This avoids dependency on filesystem paths while preserving queue separation.
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inline key_t custom_ftok(const char* path, int id) {
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struct stat st;
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if (stat(path, &st) < 0) {
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fprintf(stderr,
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"[custom_ftok] stat(\"%s\") failed (errno=%d), "
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"msg queue key will be invalid!\n",
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path,
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errno);
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return static_cast<key_t>(-1);
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}
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// low 4 bits of st_dev | low 8 bits of st_ino | low 20 bits of id
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return static_cast<key_t>(((st.st_dev & 0x0f) << 28) |
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((st.st_ino & 0xff) << 20) | (id & 0xfffff));
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}
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