Contributed by Fred Fish at Cygnus Support. fnf@cygnus.com */
-/* Copyright (c) 2010. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2010-2012. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
static size_t pagesize;
#define PAGE_ALIGN(addr) (void*) (((long)(addr) + pagesize - 1) & \
- ~(pagesize - 1))
+ ~(pagesize - 1))
/* Return MAP_PRIVATE if MDP represents /dev/zero. Otherwise, return
MAP_SHARED. */
#define MAP_PRIVATE_OR_SHARED(MDP) (( MDP -> flags & MMALLOC_ANONYMOUS) \
- ? MAP_PRIVATE \
+ ? MAP_PRIVATE \
: MAP_SHARED)
/* Return MAP_ANONYMOUS if MDP uses anonymous mapping. Otherwise, return 0 */
#define MAP_IS_ANONYMOUS(MDP) (((MDP) -> flags & MMALLOC_ANONYMOUS) \
- ? MAP_ANONYMOUS \
- : 0)
+ ? MAP_ANONYMOUS \
+ : 0)
/* Return -1 if MDP uses anonymous mapping. Otherwise, return MDP->FD */
#define MAP_ANON_OR_FD(MDP) (((MDP) -> flags & MMALLOC_ANONYMOUS) \
- ? -1 \
- : (MDP) -> fd)
+ ? -1 \
+ : (MDP) -> fd)
/* Get core for the memory region specified by MDP, using SIZE as the
amount to either add to or subtract from the existing region. Works
void *mapto; /* Address we actually mapped to */
char buf = 0; /* Single byte to write to extend mapped file */
+// fprintf(stderr,"increase %p by %u\n",mdp,size);
if (pagesize == 0)
pagesize = getpagesize();
MAP_FIXED, MAP_ANON_OR_FD(mdp), foffset);
if (mapto == (void *) -1/* That's MAP_FAILED */) {
- fprintf(stderr,"Internal error: mmap returned MAP_FAILED! error: %s",strerror(errno));
+ char buff[1024];
+ fprintf(stderr,"Internal error: mmap returned MAP_FAILED! error: %s\n",strerror(errno));
+ sprintf(buff,"cat /proc/%d/maps",getpid());
+ int status = system(buff);
+ if (status == -1 || !(WIFEXITED(status) && WEXITSTATUS(status) == 0))
+ fprintf(stderr, "Something went wrong when trying to %s\n", buff);
+ sleep(1);
abort();
}