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global/signale_handler: print thread name in signal handle.

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Now most thread has own thread name. So print thread name in signal
handle.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
This commit is contained in:
Jianpeng Ma 2016-03-21 21:26:57 +08:00
parent 22cac93ec7
commit b50caa4b10
1 changed files with 6 additions and 2 deletions
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8
src/global/signal_handler.cc
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@ -91,14 +91,18 @@ static void handle_fatal_signal(int signum)
// case, SA_RESETHAND specifies that the default signal handler--
// presumably dump core-- will handle it.
char buf[1024];
char pthread_name[16] = {0}; //limited by 16B include terminating null byte.
int r = pthread_getname_np(pthread_self(), pthread_name, sizeof(pthread_name));
#if defined(__sun)
char message[SIG2STR_MAX];
sig2str(signum,message);
snprintf(buf, sizeof(buf), "*** Caught signal (%s) **\n "
"in thread %llx\n", message, (unsigned long long)pthread_self());
"in thread %llx thread_name:%s\n", message, (unsigned long long)pthread_self(),
pthread_name);
#else
snprintf(buf, sizeof(buf), "*** Caught signal (%s) **\n "
"in thread %llx\n", sig_str(signum), (unsigned long long)pthread_self());
"in thread %llx thread_name:%s\n", sig_str(signum), (unsigned long long)pthread_self(),
pthread_name);
#endif
dout_emergency(buf);
pidfile_remove();