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authorUlrich Drepper <drepper@redhat.com>2008-07-26 22:43:16 +0000
committerUlrich Drepper <drepper@redhat.com>2008-07-26 22:43:16 +0000
commit72112b0cb4b10d27e7729d12bb9f937e13975379 (patch)
tree53ccb5717c30348c7d36f7ddf677c96249e4fa26 /malloc/mtrace.c
parent7438a80dcbb3c6766fe0288935c545c6a0f98257 (diff)
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* malloc/mtrace.c (mtrace): Use 'e' flag in fopen call. Drop
F_SETFD use if we know fopen set the flag.
Diffstat (limited to 'malloc/mtrace.c')
-rw-r--r--malloc/mtrace.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index 1a9522b..fafa52e 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.
@@ -34,13 +34,13 @@
#include <stdio-common/_itoa.h>
-#ifdef _LIBC
-# include <libc-internal.h>
+#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)
-#endif
+#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
@@ -315,9 +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)
@@ -325,6 +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);