Description From Michael Stone 2008-09-25 19:27:29 (-) [reply]
To determine whether a pid is occupied with the kill(pid, 0) idiom, you have to
test
#include <signal.h>
#include <errno.h>
kill(pid, 0) < 0 && errno == ESRCH
not just
#include <signal.h>
kill(pid, 0) < 0
otherwise you get incorrect results when pid is running as a different user
(causing kill(pid, 0) to return -1 + EPERM).
src/audio/alsa/SDL_alsa_audio.c is certainly affected by this bug in both
1.2.13 and 1.3-trunk. It probably occurs in other places as well.
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Description From esigra 2008-01-07 16:20:21 (-) [reply]
I try to get a clean compile for a project using SDL. But I get warnings
from SDL headers when I use -Wold-style-cast. This is especially bad
because I plan to build the software with -Werror=old-style-cast when we
have switched over to GCC 4.2, which has that option.
But this problem can be fixed in the SDL headers. I checked out the SVN
version and made some patches. See the attached patch.
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Make sure OpenGL library is loaded before working with OpenGL windows,
even those created with SDL_CreateWindowFrom()
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When creating a texture from a surface, synchronize the texture with the surface.
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First attempt at replacing MakeSubSurface for pre 1.2.0 ==> Scaling not yet working
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#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS NULL
#endif
so that the X code would compile. It looked like it was needed
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Instead of the GNOME screensaver respecting the MIT-SCREEN-SAVER extension
and registering for the screensaver idle event, it uses a completely different
control mechanism. Our alternatives are to use dbus (very complicated) or
this really painful hack.
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The screensaver is disabled by default when using SDL 1.2 compatibility.
Use the new XScreenSaver extension, removed unused DPMS extension.
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- use SDL_getenv, not getenv ...
- no more support for 0.9.25 - not even mentioned any longer on directfb.org
- fix fullscreen issues
- add a simple window manager unless the directfb team comes up with a working wm.
The driver has support for a very, very basic window manager you may
want to use when runnning with "wm=default". Use
export SDL_DIRECTFB_WM=1
to enable basic window borders including icon support. In order to have the window title rendered,
you need to have the following font installed:
/usr/share/fonts/truetype/freefont/FreeSans.ttf
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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403485
We should probably give options to drop resamplers by channels, too, for
developers that know they'll never need more than stereo, etc.
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