forked from Telodendria/Telodendria
Show human-readable thread ID in log messages.
This helps debug some multithreading issues.
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parent
b5b1a021d8
commit
5df684b609
4 changed files with 46 additions and 3 deletions
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@ -79,7 +79,6 @@ struct HttpServerContext
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typedef struct HttpServerWorkerThreadArgs
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{
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HttpServer *server;
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int id;
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pthread_t thread;
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} HttpServerWorkerThreadArgs;
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@ -625,7 +624,6 @@ HttpServerEventThread(void *args)
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}
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workerThread->server = server;
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workerThread->id = i;
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if (pthread_create(&workerThread->thread, NULL, HttpServerWorkerThread, workerThread) != 0)
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{
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@ -644,7 +642,6 @@ HttpServerEventThread(void *args)
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int connFd;
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int pollResult;
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pollResult = poll(pollFds, 1, 500);
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if (pollResult < 0)
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@ -24,6 +24,7 @@
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#include <Log.h>
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#include <Memory.h>
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#include <Util.h>
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#include <string.h>
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#include <time.h>
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@ -316,6 +317,8 @@ Logv(LogConfig * config, int level, const char *msg, va_list argp)
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}
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}
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StreamPrintf(config->out, "(%lu) ", UtilThreadNo());
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switch (level)
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{
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case LOG_EMERG:
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@ -244,3 +244,35 @@ UtilGetLine(char **linePtr, size_t * n, Stream * stream)
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{
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return UtilGetDelim(linePtr, n, '\n', stream);
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}
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static void
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ThreadNoDestructor(void *p)
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{
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Free(p);
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}
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unsigned long
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UtilThreadNo(void)
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{
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static pthread_key_t key;
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static int createdKey = 0;
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static unsigned long count = 0;
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unsigned long *no;
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if (!createdKey)
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{
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pthread_key_create(&key, ThreadNoDestructor);
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createdKey = 1;
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}
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no = pthread_getspecific(key);
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if (!no)
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{
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no = Malloc(sizeof(unsigned long));
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*no = count++;
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pthread_setspecific(key, no);
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}
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return *no;
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}
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@ -102,4 +102,15 @@ extern ssize_t UtilGetDelim(char **, size_t *, int, Stream *);
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*/
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extern ssize_t UtilGetLine(char **, size_t *, Stream *);
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/**
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* Get a unique number associated with the current thread.
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* Numbers are assigned in the order that threads call this
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* function, but are guaranteed to be unique in identifying
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* the thread in a more human-readable way than just casting
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* the return value of
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* .Fn pthread_self
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* to a number.
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*/
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extern unsigned long UtilThreadNo(void);
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#endif /* CYTOPLASM_UTIL_H */
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