From 08a33b1d8948478a92aabbdb864bef04ece46177 Mon Sep 17 00:00:00 2001
From: Cristy <mikayla-grace@urban-warrior.org>
Date: Mon, 22 Apr 2019 07:19:21 -0400
Subject: [PATCH] ...

---
 MagickCore/log.c | 39 ++++++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/MagickCore/log.c b/MagickCore/log.c
index b5dee6e90..0efab8ea2 100644
--- a/MagickCore/log.c
+++ b/MagickCore/log.c
@@ -137,11 +137,14 @@ struct _LogInfo
   TimerInfo
     timer;
 
-  size_t
-    signature;
-
   MagickLogMethod
     method;
+
+  SemaphoreInfo
+    *event_semaphore;
+
+  size_t
+    signature;
 };
 
 typedef struct _LogMapInfo
@@ -214,7 +217,6 @@ static MagickBooleanType
   event_logging = MagickFalse;
 
 static SemaphoreInfo
-  *event_semaphore = (SemaphoreInfo *) NULL,
   *log_semaphore = (SemaphoreInfo *) NULL;
 
 /*
@@ -850,7 +852,6 @@ MagickPrivate MagickBooleanType LogComponentGenesis(void)
   exception=AcquireExceptionInfo();
   (void) GetLogInfo("*",exception);
   exception=DestroyExceptionInfo(exception);
-  event_semaphore=AcquireSemaphoreInfo();
   return(MagickTrue);
 }
 
@@ -891,17 +892,17 @@ static void *DestroyLogElement(void *log_info)
     p->path=DestroyString(p->path);
   if (p->filename != (char *) NULL)
     p->filename=DestroyString(p->filename);
+  if (p->event_semaphore == (SemaphoreInfo *) NULL)
+    ActivateSemaphoreInfo(&p->event_semaphore);
+  LockSemaphoreInfo(p->event_semaphore);
+  UnlockSemaphoreInfo(p->event_semaphore);
+  RelinquishSemaphoreInfo(&p->event_semaphore);
   p=(LogInfo *) RelinquishMagickMemory(p);
   return((void *) NULL);
 }
 
 MagickPrivate void LogComponentTerminus(void)
 {
-  if (event_semaphore == (SemaphoreInfo *) NULL)
-    ActivateSemaphoreInfo(&event_semaphore);
-  LockSemaphoreInfo(event_semaphore);
-  UnlockSemaphoreInfo(event_semaphore);
-  RelinquishSemaphoreInfo(&event_semaphore);
   if (log_semaphore == (SemaphoreInfo *) NULL)
     ActivateSemaphoreInfo(&log_semaphore);
   LockSemaphoreInfo(log_semaphore);
@@ -1291,12 +1292,12 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
   exception=AcquireExceptionInfo();
   log_info=(LogInfo *) GetLogInfo("*",exception);
   exception=DestroyExceptionInfo(exception);
-  if (event_semaphore == (SemaphoreInfo *) NULL)
-    ActivateSemaphoreInfo(&event_semaphore);
-  LockSemaphoreInfo(event_semaphore);
+  if (log_info->event_semaphore == (SemaphoreInfo *) NULL)
+    ActivateSemaphoreInfo(&log_info->event_semaphore);
+  LockSemaphoreInfo(log_info->event_semaphore);
   if ((log_info->event_mask & type) == 0)
     {
-      UnlockSemaphoreInfo(event_semaphore);
+      UnlockSemaphoreInfo(log_info->event_semaphore);
       return(MagickTrue);
     }
   domain=CommandOptionToMnemonic(MagickLogEventOptions,type);
@@ -1311,7 +1312,7 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
   if (text == (char *) NULL)
     {
       (void) ContinueTimer((TimerInfo *) &log_info->timer);
-      UnlockSemaphoreInfo(event_semaphore);
+      UnlockSemaphoreInfo(log_info->event_semaphore);
       return(MagickFalse);
     }
   if ((log_info->handler_mask & ConsoleHandler) != 0)
@@ -1340,7 +1341,7 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
       file_info.st_size=0;
       if (log_info->file != (FILE *) NULL)
         (void) fstat(fileno(log_info->file),&file_info);
-      if (file_info.st_size > (ssize_t) (1024*1024*log_info->limit))
+      if (file_info.st_size > (MagickOffsetType) (1024*1024*log_info->limit))
         {
           (void) FormatLocaleFile(log_info->file,"</log>\n");
           (void) fclose(log_info->file);
@@ -1355,7 +1356,7 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
           if (filename == (char *) NULL)
             {
               (void) ContinueTimer((TimerInfo *) &log_info->timer);
-              UnlockSemaphoreInfo(event_semaphore);
+              UnlockSemaphoreInfo(log_info->event_semaphore);
               return(MagickFalse);
             }
           log_info->append=IsPathAccessible(filename);
@@ -1363,7 +1364,7 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
           filename=(char  *) RelinquishMagickMemory(filename);
           if (log_info->file == (FILE *) NULL)
             {
-              UnlockSemaphoreInfo(event_semaphore);
+              UnlockSemaphoreInfo(log_info->event_semaphore);
               return(MagickFalse);
             }
           log_info->generation++;
@@ -1392,7 +1393,7 @@ MagickExport MagickBooleanType LogMagickEventList(const LogEventType type,
     }
   text=(char  *) RelinquishMagickMemory(text);
   (void) ContinueTimer((TimerInfo *) &log_info->timer);
-  UnlockSemaphoreInfo(event_semaphore);
+  UnlockSemaphoreInfo(log_info->event_semaphore);
   return(MagickTrue);
 }
 
-- 
2.40.0