1 files changed, 27 insertions, 13 deletions

diff --git a/src/log.c b/src/log.c
index b3dfc73d0..edb4482a0 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1,5 +1,7 @@
 #include "common.h"
 
+int web_server_is_multithreaded = 1;
+
 const char *program_name = "";
 uint64_t debug_flags = DEBUG;
 
@@ -55,13 +57,16 @@ static inline void log_unlock() {
 }
 
 int open_log_file(int fd, FILE **fp, const char *filename, int *enabled_syslog) {
-    int f;
+    int f, devnull = 0;
 
-    if(!filename || !*filename || !strcmp(filename, "none"))
+    if(!filename || !*filename || !strcmp(filename, "none") ||  !strcmp(filename, "/dev/null")) {
         filename = "/dev/null";
+        devnull = 1;
+    }
 
     if(!strcmp(filename, "syslog")) {
         filename = "/dev/null";
+        devnull = 1;
         syslog_init();
         if(enabled_syslog) *enabled_syslog = 1;
     }
@@ -70,8 +75,10 @@ int open_log_file(int fd, FILE **fp, const char *filename, int *enabled_syslog)
     // don't do anything if the user is willing
     // to have the standard one
     if(!strcmp(filename, "system")) {
-        if(fd != -1) return fd;
-        filename = "stdout";
+        if(fd != -1 && fp != &stdaccess)
+            return fd;
+
+        filename = "stderr";
     }
 
     if(!strcmp(filename, "stdout"))
@@ -88,6 +95,11 @@ int open_log_file(int fd, FILE **fp, const char *filename, int *enabled_syslog)
         }
     }
 
+    if(devnull && fp == &stdaccess) {
+        fd = -1;
+        *fp = NULL;
+    }
+
     // if there is a level-2 file pointer
     // flush it before switching the level-1 fds
     if(fp && *fp)
@@ -246,7 +258,7 @@ void debug_int( const char *file, const char *function, const unsigned long line
     log_date(date, LOG_DATE_LENGTH);
 
     va_start( args, fmt );
-    printf("%s: %s DEBUG (%04lu@%-10.10s:%-15.15s): ", date, program_name, line, file, function);
+    printf("%s: %s DEBUG : %s : (%04lu@%-10.10s:%-15.15s): ", date, program_name, netdata_thread_tag(), line, file, function);
     vprintf(fmt, args);
     va_end( args );
     putchar('\n');
@@ -282,8 +294,8 @@ void info_int( const char *file, const char *function, const unsigned long line,
     log_lock();
 
     va_start( args, fmt );
-    if(debug_flags) fprintf(stderr, "%s: %s INFO : (%04lu@%-10.10s:%-15.15s): ", date, program_name, line, file, function);
-    else            fprintf(stderr, "%s: %s INFO : ", date, program_name);
+    if(debug_flags) fprintf(stderr, "%s: %s INFO  : %s : (%04lu@%-10.10s:%-15.15s): ", date, program_name, netdata_thread_tag(), line, file, function);
+    else            fprintf(stderr, "%s: %s INFO  : %s : ", date, program_name, netdata_thread_tag());
     vfprintf( stderr, fmt, args );
     va_end( args );
 
@@ -338,8 +350,8 @@ void error_int( const char *prefix, const char *file, const char *function, cons
     log_lock();
 
     va_start( args, fmt );
-    if(debug_flags) fprintf(stderr, "%s: %s %s: (%04lu@%-10.10s:%-15.15s): ", date, program_name, prefix, line, file, function);
-    else            fprintf(stderr, "%s: %s %s: ", date, program_name, prefix);
+    if(debug_flags) fprintf(stderr, "%s: %s %-5.5s : %s : (%04lu@%-10.10s:%-15.15s): ", date, program_name, prefix, netdata_thread_tag(), line, file, function);
+    else            fprintf(stderr, "%s: %s %-5.5s : %s : ", date, program_name, prefix, netdata_thread_tag());
     vfprintf( stderr, fmt, args );
     va_end( args );
 
@@ -369,8 +381,8 @@ void fatal_int( const char *file, const char *function, const unsigned long line
     log_lock();
 
     va_start( args, fmt );
-    if(debug_flags) fprintf(stderr, "%s: %s FATAL: (%04lu@%-10.10s:%-15.15s): ", date, program_name, line, file, function);
-    else            fprintf(stderr, "%s: %s FATAL: ", date, program_name);
+    if(debug_flags) fprintf(stderr, "%s: %s FATAL : %s : (%04lu@%-10.10s:%-15.15s): ", date, program_name, netdata_thread_tag(), line, file, function);
+    else            fprintf(stderr, "%s: %s FATAL : %s :", date, program_name, netdata_thread_tag());
     vfprintf( stderr, fmt, args );
     va_end( args );
 
@@ -397,7 +409,8 @@ void log_access( const char *fmt, ... ) {
     if(stdaccess) {
         static netdata_mutex_t access_mutex = NETDATA_MUTEX_INITIALIZER;
 
-        netdata_mutex_lock(&access_mutex);
+        if(web_server_is_multithreaded)
+            netdata_mutex_lock(&access_mutex);
 
         char date[LOG_DATE_LENGTH];
         log_date(date, LOG_DATE_LENGTH);
@@ -408,6 +421,7 @@ void log_access( const char *fmt, ... ) {
         va_end( args );
         fputc('\n', stdaccess);
 
-        netdata_mutex_unlock(&access_mutex);
+        if(web_server_is_multithreaded)
+            netdata_mutex_unlock(&access_mutex);
     }
 }