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62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
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#ifndef foosddaemonhfoo
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#define foosddaemonhfoo
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/***
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Copyright 2010 Lennart Poettering
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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***/
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/* Reference implementation of a few systemd related interfaces for
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* writing daemons. These interfaces are trivial to implement, however
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* to simplify porting we provide this reference
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* implementation. Applications are free to reimplement the algorithms
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* described here. */
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/*
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Log levels for usage on stderr:
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fprintf(stderr, SD_NOTICE "Hello World!");
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This is similar to printk() usage in the kernel.
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*/
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#define SD_EMERG "<0>" /* system is unusable */
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#define SD_ALERT "<1>" /* action must be taken immediately */
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#define SD_CRIT "<2>" /* critical conditions */
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#define SD_ERR "<3>" /* error conditions */
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#define SD_WARNING "<4>" /* warning conditions */
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#define SD_NOTICE "<5>" /* normal but significant condition */
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#define SD_INFO "<6>" /* informational */
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#define SD_DEBUG "<7>" /* debug-level messages */
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/* The first passed file descriptor is fd 3 */
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#define SD_LISTEN_FDS_START 3
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/* Returns how many file descriptors have been passed, or a negative
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* errno code on failure. Optionally removes the $LISTEN_FDS and
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* $LISTEN_PID file descriptors from the environment (recommended). */
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int sd_listen_fds(int unset_environment);
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#endif
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