X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=src%2Flog.c;h=b3c2083b7f822ab2cdb896f7552f144cd2439806;hb=d87efa4a7a6285603950f5780ef57a72b651c8e9;hp=05bd3dcea94eeb455112fb8747dc635a6f592401;hpb=8f25becb220b321f0e9bd4b766ae7085a0335466;p=tlsproxy%2Ftlsproxy.git

diff --git a/src/log.c b/src/log.c
index 05bd3dc..b3c2083 100644
--- a/src/log.c
+++ b/src/log.c
@@ -35,7 +35,7 @@ void log_message(int level, const char *file, int line, const char *format, ...)
     switch (level) {
         case LOG_ERROR_LEVEL:   level_string = "ERROR"; break;
         case LOG_WARNING_LEVEL: level_string = "WARN "; break;
-        case LOG_DEBUG_LEVEL:   level_string = "DEBUG"; break;
+        case LOG_DEBUG1_LEVEL:  level_string = "DEBUG"; break;
         default:                level_string = "UNKNOWN";
     }
 
@@ -45,17 +45,17 @@ void log_message(int level, const char *file, int line, const char *format, ...)
     (void)line;
 #endif
 
-    fprintf(stdout,
-#ifdef DEBUG
-            "%-12s:%-3d "
-#endif
-            "[%s] [%d] ",
+    /* Prevent another thread from interrupting the printfs(). */
+    flockfile(stderr);
+
 #ifdef DEBUG
-            file, line,
+    fprintf(stderr, "%-12s:%-3d ", file, line);
 #endif
-            level_string, (int)pthread_self());
+    fprintf(stderr, "[%s] [%d] ", level_string, (int)pthread_self());
     va_start(ap, format);
-    vfprintf(stdout, format, ap);
+    vfprintf(stderr, format, ap);
     va_end(ap);
-    fprintf(stdout, "\n");
+    fprintf(stderr, "\n");
+
+    funlockfile(stderr);
 }