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Fix tests for XShm.h.

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Sat Jun 23 18:02:46 2001  Owen Taylor  <otaylor@redhat.com>

        * configure.in: Fix tests for XShm.h.

        * gdk/x11/gdkimage-x11.c: Cleanup error handling in
        gdk_image_new() by use of goto, properly use g_object_unref().
This commit is contained in:
Owen Taylor 2001-06-23 22:14:02 +00:00 committed by Owen Taylor
parent 92e87e40a7
commit 5a5580a8e7
9 changed files with 134 additions and 73 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-0
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-10
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-2
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-4
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-6
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

7
ChangeLog.pre-2-8
View File

@ -1,3 +1,10 @@
Sat Jun 23 18:02:46 2001 Owen Taylor <otaylor@redhat.com>
* configure.in: Fix tests for XShm.h.
* gdk/x11/gdkimage-x11.c: Cleanup error handling in
gdk_image_new() by use of goto, properly use g_object_unref().
Sat Jun 23 22:03:20 2001 Tim Janik <timj@gtk.org>
* gdk/x11/gdkimage-x11.c (gdk_image_init): disabled g_free (image)

27
configure.in
View File

@ -775,18 +775,27 @@ if test "x$gdktarget" = "xx11"; then
AC_CHECK_HEADER(sys/shm.h, AC_DEFINE(HAVE_SHM_H), no_sys_shm=yes)
# Check for the X shared memory extension header file
have_xshm=no
AC_MSG_CHECKING(X11/extensions/XShm.h)
if test "x$no_xext_lib" = "xyes"; then
AC_MSG_RESULT(no)
no_xshm=yes
:
else
if test -f "$x_includes/X11/extensions/XShm.h"; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_XSHM_H)
else
AC_MSG_RESULT(no)
no_xshm=yes
fi
gtk_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $x_cflags"
AC_TRY_COMPILE([
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
], [XShmSegmentInfo *x_shm_info;], have_xshm=yes)
CFLAGS="$gtk_save_CFLAGS"
fi
AC_MSG_RESULT($have_xshm)
if test $have_xshm = yes ; then
AC_DEFINE(HAVE_XSHM_H)
fi
fi

131
gdk/x11/gdkimage-x11.c
View File

@ -62,8 +62,6 @@ static void gdk_image_finalize (GObject *object);
#define PRIVATE_DATA(image) ((GdkImagePrivateX11 *) GDK_IMAGE (image)->windowing_data)
#define LEAK_IMAGE(image) /* FIXME!! this should be g_object_unref */
GType
gdk_image_get_type (void)
{
@ -243,16 +241,17 @@ gdk_image_new (GdkImageType type,
{
private->x_shm_info = g_new (XShmSegmentInfo, 1);
x_shm_info = private->x_shm_info;
x_shm_info->shmid = -1;
x_shm_info->shmaddr = (char*) -1;
private->ximage = XShmCreateImage (private->xdisplay, xvisual, visual->depth,
ZPixmap, NULL, x_shm_info, width, height);
if (private->ximage == NULL)
{
g_warning ("XShmCreateImage failed");
LEAK_IMAGE (image);
gdk_use_xshm = False;
return NULL;
gdk_use_xshm = FALSE;
goto error;
}
x_shm_info->shmid = shmget (IPC_PRIVATE,
@ -269,14 +268,10 @@ gdk_image_new (GdkImageType type,
if (errno != EINVAL)
{
g_warning ("shmget failed: error %d (%s)", errno, g_strerror (errno));
gdk_use_xshm = False;
gdk_use_xshm = FALSE;
}
XDestroyImage (private->ximage);
g_free (private->x_shm_info);
LEAK_IMAGE (image);
return NULL;
goto error;
}
x_shm_info->readOnly = False;
@ -286,20 +281,12 @@ gdk_image_new (GdkImageType type,
if (x_shm_info->shmaddr == (char*) -1)
{
g_warning ("shmat failed: error %d (%s)", errno, g_strerror (errno));
XDestroyImage (private->ximage);
shmctl (x_shm_info->shmid, IPC_RMID, 0);
g_free (private->x_shm_info);
LEAK_IMAGE (image);
/* Failure in shmat is almost certainly permanent. Most likely error is
* EMFILE, which would mean that we've exceeded the per-process
* Shm segment limit.
*/
gdk_use_xshm = False;
return NULL;
gdk_use_xshm = FALSE;
goto error;
}
gdk_error_trap_push ();
@ -310,16 +297,8 @@ gdk_image_new (GdkImageType type,
if (gdk_error_trap_pop ())
{
/* this is the common failure case so omit warning */
XDestroyImage (private->ximage);
shmdt (x_shm_info->shmaddr);
shmctl (x_shm_info->shmid, IPC_RMID, 0);
g_free (private->x_shm_info);
LEAK_IMAGE (image);
gdk_use_xshm = False;
return NULL;
gdk_use_xshm = FALSE;
goto error;
}
/* We mark the segment as destroyed so that when
@ -334,15 +313,10 @@ gdk_image_new (GdkImageType type,
image_list = g_list_prepend (image_list, image);
}
else
{
LEAK_IMAGE (image);
return NULL;
}
break;
#else /* USE_SHM */
LEAK_IMAGE (image);
return NULL;
#else /* !USE_SHM */
goto error;
#endif /* USE_SHM */
break;
case GDK_IMAGE_NORMAL:
private->ximage = XCreateImage (private->xdisplay, xvisual, visual->depth,
ZPixmap, 0, 0, width, height, 32, 0);
@ -352,6 +326,8 @@ gdk_image_new (GdkImageType type,
*/
private->ximage->data = malloc (private->ximage->bytes_per_line *
private->ximage->height);
if (!private->ximage->data)
goto error;
break;
case GDK_IMAGE_FASTEST:
@ -369,6 +345,30 @@ gdk_image_new (GdkImageType type,
}
return image;
error:
if (private->ximage)
{
XDestroyImage (private->ximage);
private->ximage = NULL;
}
#ifdef USE_SHM
if (private->x_shm_info)
{
x_shm_info = private->x_shm_info;
if (x_shm_info->shmaddr != (char *)-1)
shmdt (x_shm_info->shmaddr);
if (x_shm_info->shmid != -1)
shmctl (x_shm_info->shmid, IPC_RMID, 0);
g_free (x_shm_info);
private->x_shm_info = NULL;
}
#endif /* USE_SHM */
g_object_unref (image);
return NULL;
}
GdkImage*
@ -478,34 +478,37 @@ gdk_x11_image_destroy (GdkImage *image)
* time from _finalize()
*/
return;
switch (image->type)
if (private->ximage) /* Deal with failure of creation */
{
case GDK_IMAGE_NORMAL:
XDestroyImage (private->ximage);
break;
case GDK_IMAGE_SHARED:
switch (image->type)
{
case GDK_IMAGE_NORMAL:
XDestroyImage (private->ximage);
break;
case GDK_IMAGE_SHARED:
#ifdef USE_SHM
gdk_flush();
XShmDetach (private->xdisplay, private->x_shm_info);
XDestroyImage (private->ximage);
x_shm_info = private->x_shm_info;
shmdt (x_shm_info->shmaddr);
g_free (private->x_shm_info);
private->x_shm_info = NULL;
image_list = g_list_remove (image_list, image);
gdk_flush();
XShmDetach (private->xdisplay, private->x_shm_info);
XDestroyImage (private->ximage);
x_shm_info = private->x_shm_info;
shmdt (x_shm_info->shmaddr);
g_free (private->x_shm_info);
private->x_shm_info = NULL;
image_list = g_list_remove (image_list, image);
#else /* USE_SHM */
g_error ("trying to destroy shared memory image when gdk was compiled without shared memory support");
g_error ("trying to destroy shared memory image when gdk was compiled without shared memory support");
#endif /* USE_SHM */
break;
case GDK_IMAGE_FASTEST:
g_assert_not_reached ();
break;
case GDK_IMAGE_FASTEST:
g_assert_not_reached ();
}
}
g_free (private);