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Diffstat (limited to 'malloc/mtrace.c')
-rw-r--r--malloc/mtrace.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index 139ebc8153..fafa52e916 100644
--- a/malloc/mtrace.c
+++ b/malloc/mtrace.c
@@ -1,5 +1,5 @@
/* More debugging hooks for `malloc'.
- Copyright (C) 1991-1994,1996-2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1991-1994,1996-2004, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written April 2, 1991 by John Gilmore of Cygnus Support.
Based on mcheck.c by Mike Haertel.
@@ -34,25 +34,13 @@
#include <stdio-common/_itoa.h>
-#ifdef _LIBC
-# include <libc-internal.h>
-
-# include <libio/iolibio.h>
-# define setvbuf(s, b, f, l) INTUSE(_IO_setvbuf) (s, b, f, l)
-# define fwrite(buf, size, count, fp) _IO_fwrite (buf, size, count, fp)
-extern __typeof (malloc) __libc_malloc;
-extern __typeof (free) __libc_free;
-extern __typeof (realloc) __libc_realloc;
-libc_hidden_proto (__libc_malloc)
-libc_hidden_proto (__libc_realloc)
-libc_hidden_proto (__libc_free)
-libc_hidden_proto (__libc_memalign)
-#else
-# define __libc_malloc(sz) malloc (sz)
-# define __libc_free(ptr) free (ptr)
-# define __libc_realloc(ptr, sz) realloc (ptr, sz)
-# define __libc_memalign(al, sz) memalign (al, sz)
-#endif
+#include <libc-internal.h>
+
+#include <libio/iolibio.h>
+#define setvbuf(s, b, f, l) INTUSE(_IO_setvbuf) (s, b, f, l)
+#define fwrite(buf, size, count, fp) _IO_fwrite (buf, size, count, fp)
+
+#include <kernel-features.h>
#ifndef attribute_hidden
# define attribute_hidden
@@ -166,7 +154,7 @@ tr_freehook (ptr, caller)
if (tr_old_free_hook != NULL)
(*tr_old_free_hook) (ptr, caller);
else
- __libc_free (ptr);
+ free (ptr);
__free_hook = tr_freehook;
__libc_lock_unlock (lock);
}
@@ -185,7 +173,7 @@ tr_mallochook (size, caller)
if (tr_old_malloc_hook != NULL)
hdr = (__ptr_t) (*tr_old_malloc_hook) (size, caller);
else
- hdr = (__ptr_t) __libc_malloc (size);
+ hdr = (__ptr_t) malloc (size);
__malloc_hook = tr_mallochook;
tr_where (caller);
@@ -221,7 +209,7 @@ tr_reallochook (ptr, size, caller)
if (tr_old_realloc_hook != NULL)
hdr = (__ptr_t) (*tr_old_realloc_hook) (ptr, size, caller);
else
- hdr = (__ptr_t) __libc_realloc (ptr, size);
+ hdr = (__ptr_t) realloc (ptr, size);
__free_hook = tr_freehook;
__malloc_hook = tr_mallochook;
__realloc_hook = tr_reallochook;
@@ -263,7 +251,7 @@ tr_memalignhook (alignment, size, caller)
if (tr_old_memalign_hook != NULL)
hdr = (__ptr_t) (*tr_old_memalign_hook) (alignment, size, caller);
else
- hdr = (__ptr_t) __libc_memalign (alignment, size);
+ hdr = (__ptr_t) memalign (alignment, size);
__memalign_hook = tr_memalignhook;
__malloc_hook = tr_mallochook;
@@ -327,9 +315,10 @@ mtrace ()
if (mtb == NULL)
return;
- mallstream = fopen (mallfile != NULL ? mallfile : "/dev/null", "wc");
+ mallstream = fopen (mallfile != NULL ? mallfile : "/dev/null", "wce");
if (mallstream != NULL)
{
+#ifndef __ASSUME_O_CLOEXEC
/* Make sure we close the file descriptor on exec. */
int flags = __fcntl (fileno (mallstream), F_GETFD, 0);
if (flags >= 0)
@@ -337,6 +326,7 @@ mtrace ()
flags |= FD_CLOEXEC;
__fcntl (fileno (mallstream), F_SETFD, flags);
}
+#endif
/* Be sure it doesn't malloc its buffer! */
malloc_trace_buffer = mtb;
setvbuf (mallstream, malloc_trace_buffer, _IOFBF, TRACE_BUFFER_SIZE);