* update ptmalloc2 to build properly and intercept user-level calls to

munmap

This commit was SVN r6867.

opal/mca/memory/ptmalloc2/Makefile.am

@@ -38,6 +38,8 @@ doc_DATA		= ptmalloc2-COPYRIGHT
 noinst_LTLIBRARIES	= libmca_memory_ptmalloc2.la
 
 libmca_memory_ptmalloc2_la_SOURCES = \
+			ptmalloc2_component.c \
+			ptmalloc2_munmap.c \
 			malloc.c \
 			malloc-stats.c \
 			malloc.h

opal/mca/memory/ptmalloc2/hooks.c

@@ -564,9 +564,9 @@ public_sET_STATe(Void_t* msptr)
   /* There are no fastchunks.  */
   clear_fastchunks(&main_arena);
   set_max_fast(&main_arena, DEFAULT_MXFAST);
-  for (i=0; i<NFASTBINS; ++i)
+  for (i=0; i<(int)NFASTBINS; ++i)
     main_arena.fastbins[i] = 0;
-  for (i=0; i<BINMAPSIZE; ++i)
+  for (i=0; i<(int)BINMAPSIZE; ++i)
     main_arena.binmap[i] = 0;
   top(&main_arena) = ms->av[2];
   main_arena.last_remainder = 0;
@@ -576,8 +576,8 @@ public_sET_STATe(Void_t* msptr)
       assert(ms->av[2*i+3] == 0);
       first(b) = last(b) = b;
     } else {
-      if(i<NSMALLBINS || (largebin_index(chunksize(ms->av[2*i+2]))==i &&
+      if(i<(int)NSMALLBINS || ((int)largebin_index(chunksize(ms->av[2*i+2]))==i &&
-			  largebin_index(chunksize(ms->av[2*i+3]))==i)) {
+			  (int)largebin_index(chunksize(ms->av[2*i+3]))==i)) {
 	first(b) = ms->av[2*i+2];
 	last(b) = ms->av[2*i+3];
 	/* Make sure the links to the bins within the heap are correct.  */

opal/mca/memory/ptmalloc2/malloc-stats.c

@@ -91,7 +91,7 @@ void public_mSTATs()
   struct malloc_global_info mgi;
   struct malloc_arena_info mai;
   unsigned long in_use_b, system_b, avail_b;
-#if THREAD_STATS
+#if defined(THREAD_STATS) && THREAD_STATS
   long stat_lock_direct = 0, stat_lock_loop = 0, stat_lock_wait = 0;
 #endif
 
@@ -120,7 +120,7 @@ void public_mSTATs()
 #endif
     system_b += mai.system_mem;
     in_use_b += mai.system_mem - avail_b;
-#if THREAD_STATS
+#if defined(THREAD_STATS) && THREAD_STATS
     stat_lock_direct += mai.stat_lock_direct;
     stat_lock_loop += mai.stat_lock_loop;
     stat_lock_wait += mai.stat_lock_wait;
@@ -142,7 +142,7 @@ void public_mSTATs()
   fprintf(stderr, "max mmap bytes   = %10lu\n",
 	  (unsigned long)mgi.max_mmapped_mem);
 #endif
-#if THREAD_STATS
+#if defined(THREAD_STATS) && THREAD_STATS
   fprintf(stderr, "heaps created    = %10d\n",  mgi.stat_n_heaps);
   fprintf(stderr, "locked directly  = %10ld\n", stat_lock_direct);
   fprintf(stderr, "locked in loop   = %10ld\n", stat_lock_loop);

opal/mca/memory/ptmalloc2/malloc.c

@@ -2,40 +2,11 @@
 #define OMPI_DISABLE_ENABLE_MEM_DEBUG 1
 #include "ompi_config.h"
 
-#include <unistd.h>
 #include <unistd.h>
 #include <sys/mman.h>
-#include <sys/types.h>
 
-#include "opal/mca/memory/memory.h"
 #include "opal/memory/memory_internal.h"
 
-const opal_memory_base_component_1_0_0_t mca_memory_ptmalloc2_component = {
-    /* First, the mca_component_t struct containing meta information
-       about the component itself */
-    {
-        /* Indicate that we are a memory v1.0.0 component (which also
-           implies a specific MCA version) */
-        OPAL_MEMORY_BASE_VERSION_1_0_0,
-
-        /* Component name and version */
-        "ptmalloc2s",
-        OPAL_MAJOR_VERSION,
-        OPAL_MINOR_VERSION,
-        OPAL_RELEASE_VERSION,
-
-        /* Component open and close functions */
-        NULL,
-        NULL
-    },
-
-    /* Next the MCA v1.0.0 component meta data */
-    {
-        /* Whether the component is checkpointable or not */
-        true
-    },
-};
-
 /*
  * Not all systems have sbrk() declared, since it's technically not a
  * POSIX function.
@@ -55,12 +26,7 @@ opal_mem_free_ptmalloc2_sbrk(int inc)
   return sbrk(inc);
 }
 
-static int
+extern int opal_mem_free_ptmalloc2_munmap(void *start, size_t length);
-opal_mem_free_ptmalloc2_munmap(void *start, size_t length)
-{
-  opal_mem_free_release_hook(start, length);
-  return munmap(start, length);
-}
 
 #define MORECORE opal_mem_free_ptmalloc2_sbrk
 #define munmap(a,b) opal_mem_free_ptmalloc2_munmap(a,b)
@@ -78,24 +44,6 @@ opal_mem_free_ptmalloc2_munmap(void *start, size_t length)
 #define __const const
 #endif
 
-/* need to intercept munmap from the user as well as the usual
-   malloc.  munmap is a weak symbol on any platform that I know of that
-   supports malloc hooks, so we can just intercept it like this... */
-int 
-munmap(void* addr, size_t len) {
-{
-    static int (*realmunmap)(void*, size_t);
-    /* dispatch about the pending release */
-    opal_mem_free_release_hook(addr, len);
-
-    if (NULL == realmunmap) {
-        realmunmap = dlsym(RTLD_NEXT, "munmap");
-    }
-
-    return realmunmap(addr, len);
-}
-
-
 /********************* BEGIN OMPI CHANGES ******************************/
 
 
@@ -955,7 +903,7 @@ Void_t*  public_mALLOc();
 #ifdef libc_hidden_proto
 libc_hidden_proto (public_mALLOc)
 #endif
-       static void here(void);
+
 /*
   free(Void_t* p)
   Releases the chunk of memory pointed to by p, that had been previously
@@ -3729,7 +3677,7 @@ public_cALLOc(size_t n, size_t elem_size)
 #if MORECORE_CLEARS < 2
   /* Only newly allocated memory is guaranteed to be cleared.  */
   if (av == &main_arena &&
-      oldtopsize < mp_.sbrk_base + av->max_system_mem - (char *)oldtop)
+      oldtopsize < (INTERNAL_SIZE_T)(mp_.sbrk_base + av->max_system_mem - (char *)oldtop))
     oldtopsize = (mp_.sbrk_base + av->max_system_mem - (char *)oldtop);
 #endif
 #endif

opal/mca/memory/ptmalloc2/ptmalloc2_component.c

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2004-2005 The Trustees of Indiana University.
+ *                         All rights reserved.
+ * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
+ *                         All rights reserved.
+ * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
+ *                         University of Stuttgart.  All rights reserved.
+ * Copyright (c) 2004-2005 The Regents of the University of California.
+ *                         All rights reserved.
+ * $COPYRIGHT$
+ * 
+ * Additional copyrights may follow
+ * 
+ * $HEADER$
+ */
+
+#include "ompi_config.h"
+
+#include "opal/mca/memory/memory.h"
+
+const opal_memory_base_component_1_0_0_t mca_memory_ptmalloc2_component = {
+    /* First, the mca_component_t struct containing meta information
+       about the component itself */
+    {
+        /* Indicate that we are a memory v1.0.0 component (which also
+           implies a specific MCA version) */
+        OPAL_MEMORY_BASE_VERSION_1_0_0,
+
+        /* Component name and version */
+        "ptmalloc2",
+        OPAL_MAJOR_VERSION,
+        OPAL_MINOR_VERSION,
+        OPAL_RELEASE_VERSION,
+
+        /* Component open and close functions */
+        NULL,
+        NULL
+    },
+
+    /* Next the MCA v1.0.0 component meta data */
+    {
+        /* Whether the component is checkpointable or not */
+        true
+    },
+};

opal/mca/memory/ptmalloc2/ptmalloc2_munmap.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2004-2005 The Trustees of Indiana University.
+ *                         All rights reserved.
+ * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
+ *                         All rights reserved.
+ * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
+ *                         University of Stuttgart.  All rights reserved.
+ * Copyright (c) 2004-2005 The Regents of the University of California.
+ *                         All rights reserved.
+ * $COPYRIGHT$
+ * 
+ * Additional copyrights may follow
+ * 
+ * $HEADER$
+ */
+
+#include <sys/types.h>
+
+#include "opal/memory/memory_internal.h"
+
+#include <stdlib.h>
+#include <sys/mman.h>
+#define __USE_GNU
+#include <dlfcn.h>
+
+static int (*realmunmap)(void*, size_t);
+
+/* munmap is a weak symbol on any platform that I know of that
+   supports malloc hooks, so we can just intercept it like this... */
+int 
+munmap(void* addr, size_t len)
+{
+    /* dispatch about the pending release */
+    opal_mem_free_release_hook(addr, len);
+
+    if (NULL == realmunmap) {
+        realmunmap = (int (*)(void*, size_t)) dlsym(RTLD_NEXT, "munmap");
+    }
+
+    return realmunmap(addr, len);
+}
+
+/* put this here beacuse malloc.c really doesn't like dlfcn.h, but we
+   need it for getting the right munmap... */
+int
+opal_mem_free_ptmalloc2_munmap(void *start, size_t length)
+{
+    opal_mem_free_release_hook(start, length);
+
+    if (NULL == realmunmap) {
+        realmunmap = (int (*)(void*, size_t)) dlsym(RTLD_NEXT, "munmap");
+    }
+
+    return realmunmap(start, length);
+}