From: Gabriel Corona <gabriel.corona@loria.fr>
Date: Tue, 1 Mar 2016 08:43:28 +0000 (+0100)
Subject: [smpi] Fix ENAMETOOLONG with shm_open in smpi_shared_malloc on MacOS X
X-Git-Tag: v3_13~612
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/b15867905d6e6505983a660ab1e024e35d1fa342

[smpi] Fix ENAMETOOLONG with shm_open in smpi_shared_malloc on MacOS X

Max length is PSHMNAMLEN = 31.
---

diff --git a/src/smpi/smpi_bench.cpp b/src/smpi/smpi_bench.cpp
index 516d22af95..21f2fd0b5c 100644
--- a/src/smpi/smpi_bench.cpp
+++ b/src/smpi/smpi_bench.cpp
@@ -490,7 +490,7 @@ void *smpi_shared_malloc(size_t size, const char *file, int line)
       // The insertion did not take place.
       // Generate a shared memory name from the address of the shared_data:
       char shmname[256];
-      sprintf(shmname, "/smpi_shared_malloc_%p", &*data);
+      sprintf(shmname, "/shmalloc%p", &*data);
       fd = shm_open(shmname, O_RDWR | O_CREAT | O_EXCL,
                     S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
       if (fd < 0) {