From: Ovidiu Mircescu <ovidiu.mircescu@edf.fr>
Date: Thu, 7 Jun 2018 09:03:55 +0000 (+0200)
Subject: Fix potential deadlock.
X-Git-Tag: V2_4_1~4
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=05935b364a65b71a0f243bce694dd8d00e0db786;p=tools%2Flibbatch.git

Fix potential deadlock.
---

diff --git a/src/Local/BatchManager_Local.cxx b/src/Local/BatchManager_Local.cxx
index c2c85e0..e770599 100644
--- a/src/Local/BatchManager_Local.cxx
+++ b/src/Local/BatchManager_Local.cxx
@@ -464,7 +464,10 @@ namespace Batch {
     child = p_ta->launchWin32ChildProcess();
     p_ta->pere(child);
 #else
+    // LOCK&UNLOCK needed to avoid potential deadlock if a thread holds the lock
+    LOCK_IO
     child = fork();
+    UNLOCK_IO
     if (child < 0) { // erreur
       UNDER_LOCK( LOG("Fork impossible (rc=" << child << ")") );