X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust-libc-wrapper%2Flttng-ust-malloc.c;h=e1ff8e807f7a9fb22dc6f783230ce6f1b1693e4f;hb=5152f6df156d6ccb234965d1b3d26b167bd6b94e;hp=f3e1e19e28e52d8d5fe07d399f6c4741d0d87282;hpb=f4a90c3e8f3f5e8dd5c1896afb82fa96c1a32f22;p=lttng-ust.git

diff --git a/liblttng-ust-libc-wrapper/lttng-ust-malloc.c b/liblttng-ust-libc-wrapper/lttng-ust-malloc.c
index f3e1e19e..e1ff8e80 100644
--- a/liblttng-ust-libc-wrapper/lttng-ust-malloc.c
+++ b/liblttng-ust-libc-wrapper/lttng-ust-malloc.c
@@ -1,39 +1,31 @@
 /*
- * Copyright (C) 2009  Pierre-Marc Fournier
- * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * SPDX-License-Identifier: LGPL-2.1-or-later
  *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ * Copyright (C) 2009 Pierre-Marc Fournier
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
-#define _GNU_SOURCE
 /*
  * Do _not_ define _LGPL_SOURCE because we don't want to create a
  * circular dependency loop between this malloc wrapper, liburcu and
  * libc.
  */
-#include <lttng/ust-dlfcn.h>
+#include <ust-dlfcn.h>
 #include <sys/types.h>
 #include <stdio.h>
 #include <assert.h>
+#include <malloc.h>
+
 #include <urcu/system.h>
 #include <urcu/uatomic.h>
 #include <urcu/compiler.h>
 #include <urcu/tls-compat.h>
 #include <urcu/arch.h>
-#include <lttng/align.h>
-#include <helper.h>
+
+#include <lttng/ust-libc-wrapper.h>
+
+#include <ust-helper.h>
+#include "ust-compat.h"
 
 #define TRACEPOINT_DEFINE
 #define TRACEPOINT_CREATE_PROBES
@@ -69,8 +61,11 @@ void *static_calloc(size_t nmemb, size_t size);
  */
 static int ust_malloc_lock;
 
-static __attribute__((unused))
+static
 void ust_malloc_spin_lock(pthread_mutex_t *lock)
+	__attribute__((unused));
+static
+void ust_malloc_spin_lock(pthread_mutex_t *lock __attribute__((unused)))
 {
 	/*
 	 * The memory barrier within cmpxchg takes care of ordering
@@ -81,8 +76,11 @@ void ust_malloc_spin_lock(pthread_mutex_t *lock)
 		caa_cpu_relax();
 }
 
-static __attribute__((unused))
+static
 void ust_malloc_spin_unlock(pthread_mutex_t *lock)
+	__attribute__((unused));
+static
+void ust_malloc_spin_unlock(pthread_mutex_t *lock __attribute__((unused)))
 {
 	/*
 	 * Ensure memory accesses within the critical section do not
@@ -96,8 +94,8 @@ void ust_malloc_spin_unlock(pthread_mutex_t *lock)
 #define pthread_mutex_lock ust_malloc_spin_lock
 #define pthread_mutex_unlock ust_malloc_spin_unlock
 static DEFINE_URCU_TLS(int, malloc_nesting);
-#undef ust_malloc_spin_unlock
-#undef ust_malloc_spin_lock
+#undef pthread_mutex_unlock
+#undef pthread_mutex_lock
 #undef calloc
 
 /*
@@ -122,7 +120,7 @@ void *static_calloc_aligned(size_t nmemb, size_t size, size_t alignment)
 	res_offset = CMM_LOAD_SHARED(static_calloc_buf_offset);
 	do {
 		prev_offset = res_offset;
-		aligned_offset = ALIGN(prev_offset + sizeof(size_t), alignment);
+		aligned_offset = LTTNG_UST_ALIGN(prev_offset + sizeof(size_t), alignment);
 		new_offset = aligned_offset + nmemb * size;
 		if (new_offset > sizeof(static_calloc_buf)) {
 			abort();
@@ -152,7 +150,7 @@ void *static_malloc(size_t size)
 }
 
 static
-void static_free(void *ptr)
+void static_free(void *ptr __attribute__((unused)))
 {
 	/* no-op. */
 }
@@ -427,8 +425,7 @@ void lttng_ust_fixup_malloc_nesting_tls(void)
 	asm volatile ("" : : "m" (URCU_TLS(malloc_nesting)));
 }
 
-__attribute__((constructor))
-void lttng_ust_malloc_wrapper_init(void)
+void lttng_ust_libc_wrapper_malloc_init(void)
 {
 	/* Initialization already done */
 	if (cur_alloc.calloc) {