From: Martin Quinson <martin.quinson@ens-rennes.fr>
Date: Wed, 25 Oct 2023 17:54:52 +0000 (+0200)
Subject: sthread: pthread_mutex_trylock shall return 0 on success
X-Git-Tag: v3.35~89^2~51
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/571597a2035042f9798082e96680189d429b66b0

sthread: pthread_mutex_trylock shall return 0 on success
---

diff --git a/src/sthread/sthread_impl.cpp b/src/sthread/sthread_impl.cpp
index c799eff515..7a606d8089 100644
--- a/src/sthread/sthread_impl.cpp
+++ b/src/sthread/sthread_impl.cpp
@@ -140,7 +140,10 @@ int sthread_mutex_trylock(sthread_mutex_t* mutex)
   if (mutex->mutex == nullptr)
     sthread_mutex_init(mutex, nullptr);
 
-  return static_cast<sg4::Mutex*>(mutex->mutex)->try_lock();
+  XBT_DEBUG("%s(%p)", __FUNCTION__, mutex);
+  if (static_cast<sg4::Mutex*>(mutex->mutex)->try_lock())
+    return 0;
+  return EBUSY;
 }
 
 int sthread_mutex_unlock(sthread_mutex_t* mutex)