0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
67 lines
2.4 KiB
Plaintext
67 lines
2.4 KiB
Plaintext
#include <syslog.h>
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int main(int argc, char **argv)
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{
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openlog("MyMsgMARK", LOG_CONS | LOG_PID, 0);
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syslog(LOG_EMERG, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_ALERT, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_CRIT, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_ERR, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_WARNING, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_NOTICE, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_INFO, "This is a syslog test message generated by program '%s'/n", argv[0]);
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syslog(LOG_DEBUG, "This is a syslog test message generated by program '%s'/n", argv[0]);
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closelog();
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return 0;
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}
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//
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// - how to compile this sample_syslog
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// > aarch64-linux-gnu-gcc --static sample_syslog.c -o sample_syslog
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//
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//
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// - syslog log level definitions
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// priority
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// LOG_EMERG, 1
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// LOG_ALERT, 2
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// LOG_CRIT, 3
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// LOG_ERR, 4
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// LOG_WARNING, 5
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// LOG_NOTICE, 6
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// LOG_INFO, 7
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// LOG_DEBUG, 8
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//
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// - output log to console and /var/log/messages simultaneously(refer to https://linux.die.net/man/5/syslog.conf)
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// 1. add line to /etc/syslog.conf
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// user.emerg /dev/console
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// 2. setup syslog.conf
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// # syslogd -f /etc/syslog.conf
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//
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// - example 1:
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// 1. set syslog level
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// # syslogd -l 4
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// 2. execute sample_syslog
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// # sample_syslog
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// 3. how to get log
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// # cat /var/log/messages | grep MyMsgMARK
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// Jan 1 00:16:08 bitmain user.emerg MyMsgMARK[205]: This is a syslog test
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// message generated by program './sample_syslog'/n
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// Jan 1 00:16:08 bitmain user.alert MyMsgMARK[205]: This is a syslog test
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// message generated by program './sample_syslog'/n
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// Jan 1 00:16:08 bitmain user.crit MyMsgMARK[205]: This is a syslog test
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// message generated by program './sample_syslog'/n
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// Jan 1 00:16:08 bitmain user.err MyMsgMARK[205]: This is a syslog test
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// message generated by program './sample_syslog'/n
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//
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// - example 2:
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// 1. set syslog level
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// # syslogd -l 1
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// 2. execute sample_syslog
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// # sample_syslog
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// 3. how to get log
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// # cat /var/log/messages | grep MyMsgMARK
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// Jan 1 00:16:08 bitmain user.emerg MyMsgMARK[205]: This is a syslog test
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// message generated by program './a.out'/n
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