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-rw-r--r--camel/ChangeLog9
-rw-r--r--camel/camel-data-wrapper.c36
-rw-r--r--camel/camel-data-wrapper.h6
-rw-r--r--camel/camel-private.h19
4 files changed, 56 insertions, 14 deletions
diff --git a/camel/ChangeLog b/camel/ChangeLog
index 88f557a2a1..3a2e167524 100644
--- a/camel/ChangeLog
+++ b/camel/ChangeLog
@@ -1,3 +1,12 @@
+2001-11-02 Jeffrey Stedfast <fejj@ximian.com>
+
+ * camel-data-wrapper.c (camel_data_wrapper_init): Initialize our
+ private mutex.
+ (camel_data_wrapper_finalize): Destroy our private mutex.
+ (write_to_stream): Lock around camel_stream_write_to_stream() so
+ that we don't get 2 threads trying to read from our stream at the
+ same time.
+
2001-11-01 <NotZed@Ximian.com>
* camel-vee-folder.c (folder_changed_change): Move all searching
diff --git a/camel/camel-data-wrapper.c b/camel/camel-data-wrapper.c
index 541b140de1..de0e2e2cf0 100644
--- a/camel/camel-data-wrapper.c
+++ b/camel/camel-data-wrapper.c
@@ -32,6 +32,7 @@
#include "camel-mime-utils.h"
#include "camel-stream.h"
#include "camel-exception.h"
+#include "camel-private.h"
#define d(x)
@@ -40,7 +41,6 @@ static CamelObjectClass *parent_class = NULL;
/* Returns the class for a CamelDataWrapper */
#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
-
static int construct_from_stream(CamelDataWrapper *, CamelStream *);
static int write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
static void set_mime_type (CamelDataWrapper *data_wrapper, const gchar *mime_type);
@@ -68,7 +68,12 @@ static void
camel_data_wrapper_init (gpointer object, gpointer klass)
{
CamelDataWrapper *camel_data_wrapper = CAMEL_DATA_WRAPPER (object);
-
+
+ camel_data_wrapper->priv = g_malloc (sizeof (struct _CamelDataWrapperPrivate));
+#ifdef ENABLE_THREADS
+ pthread_mutex_init (&camel_data_wrapper->priv->stream_lock, NULL);
+#endif
+
camel_data_wrapper->mime_type = header_content_type_new ("application", "octet-stream");
camel_data_wrapper->offline = FALSE;
camel_data_wrapper->rawtext = FALSE;
@@ -78,10 +83,15 @@ static void
camel_data_wrapper_finalize (CamelObject *object)
{
CamelDataWrapper *camel_data_wrapper = CAMEL_DATA_WRAPPER (object);
-
+
+#ifdef ENABLE_THREADS
+ pthread_mutex_destroy (&camel_data_wrapper->priv->stream_lock);
+#endif
+ g_free (camel_data_wrapper->priv);
+
if (camel_data_wrapper->mime_type)
header_content_type_unref (camel_data_wrapper->mime_type);
-
+
if (camel_data_wrapper->stream)
camel_object_unref (CAMEL_OBJECT (camel_data_wrapper->stream));
}
@@ -107,14 +117,22 @@ camel_data_wrapper_get_type (void)
static int
write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
+ int ret;
+
if (data_wrapper->stream == NULL) {
return -1;
}
-
- if (camel_stream_reset (data_wrapper->stream) == -1)
+
+ CAMEL_DATA_WRAPPER_LOCK (data_wrapper, stream_lock);
+ if (camel_stream_reset (data_wrapper->stream) == -1) {
+ CAMEL_DATA_WRAPPER_UNLOCK (data_wrapper, stream_lock);
return -1;
-
- return camel_stream_write_to_stream (data_wrapper->stream, stream);
+ }
+
+ ret = camel_stream_write_to_stream (data_wrapper->stream, stream);
+ CAMEL_DATA_WRAPPER_UNLOCK (data_wrapper, stream_lock);
+
+ return ret;
}
CamelDataWrapper *
@@ -173,7 +191,7 @@ camel_data_wrapper_construct_from_stream (CamelDataWrapper *data_wrapper,
{
g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), -1);
g_return_val_if_fail (CAMEL_IS_STREAM (stream), -1);
-
+
return CDW_CLASS (data_wrapper)->construct_from_stream (data_wrapper, stream);
}
diff --git a/camel/camel-data-wrapper.h b/camel/camel-data-wrapper.h
index 329304e143..d8c7fbe50b 100644
--- a/camel/camel-data-wrapper.h
+++ b/camel/camel-data-wrapper.h
@@ -27,7 +27,6 @@
#ifndef CAMEL_DATA_WRAPPER_H
#define CAMEL_DATA_WRAPPER_H 1
-
#ifdef __cplusplus
extern "C" {
#pragma }
@@ -44,10 +43,11 @@ extern "C" {
struct _CamelDataWrapper
{
CamelObject parent_object;
-
+ struct _CamelDataWrapperPrivate *priv;
+
CamelContentType *mime_type;
CamelStream *stream;
-
+
unsigned int offline:1;
unsigned int rawtext:1;
};
diff --git a/camel/camel-private.h b/camel/camel-private.h
index c6a31575e0..b73ef9a36d 100644
--- a/camel/camel-private.h
+++ b/camel/camel-private.h
@@ -183,9 +183,24 @@ struct _CamelVeeFolderPrivate {
#define CAMEL_VEE_FOLDER_UNLOCK(f, l)
#endif
+struct _CamelDataWrapperPrivate {
+#ifdef ENABLE_THREADS
+ pthread_mutex_t stream_lock;
+#else
+ gpointer dummy;
+#endif
+};
+
+#ifdef ENABLE_THREADS
+#define CAMEL_DATA_WRAPPER_LOCK(dw, l) (pthread_mutex_lock(&((CamelDataWrapper *)dw)->priv->l))
+#define CAMEL_DATA_WRAPPER_UNLOCK(dw, l) (pthread_mutex_unlock(&((CamelDataWrapper *)dw)->priv->l))
+#else
+#define CAMEL_DATA_WRAPPER_LOCK(dw, l)
+#define CAMEL_DATA_WRAPPER_UNLOCK(dw, l)
+#endif
+
#ifdef __cplusplus
}
#endif /* __cplusplus */
-#endif /* CAMEL_H */
-
+#endif /* CAMEL_PRIVATE_H */