From 527bc7634d1722c423d0faccc755043f342ddec6 Mon Sep 17 00:00:00 2001 From: Gabriel Corona Date: Thu, 24 Apr 2014 13:31:23 +0200 Subject: [PATCH] [mc] Check error in MAP_FAILED --- src/mc/mc_checkpoint.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/mc/mc_checkpoint.c b/src/mc/mc_checkpoint.c index cd2beff86e..3e96454766 100644 --- a/src/mc/mc_checkpoint.c +++ b/src/mc/mc_checkpoint.c @@ -88,6 +88,8 @@ static mc_mem_region_t MC_region_new(int type, void *start_addr, size_t size) new_reg->start_addr = start_addr; new_reg->size = size; new_reg->data = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + if(new_reg->data==MAP_FAILED) + xbt_die("Could not mmap new memory for snapshot."); memcpy(new_reg->data, start_addr, size); madvise(new_reg->data, size, MADV_MERGEABLE); -- 2.20.1