On Mon, 2014-03-24 at 00:22 +0100, Joël Krähemann wrote:
> On Mon, 2014-03-24 at 00:20 +0100, Joël Krähemann wrote:
> > https://sourceforge.net/p/ags/code/1515/tree/src/ags/thread/ags_returnable_thread.c
> >
> > _______________________________________________
> > gtk-app-devel-list mailing list
> > gtk-app-devel-list@gnome.org
> > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
>
> Hi, I'd like to use g_atomic_pointer_set and g_atomic_pointer_get but
> obtaining compile error. First the struct containing void *
>
>
> struct _AgsReturnableThread
> {
> AgsThread thread;
>
> volatile guint flags;
>
> volatile void *safe_data;
> };
>
>
> (gdb) r
> Starting program: /home/joel/ags-code/ags
> warning: Could not load shared library symbols for linux-vdso.so.1.
> Do you need "set solib-search-path" or "set sysroot"?
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library
> "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7fffe630a700 (LWP 5175)]
> [New Thread 0x7fffe5aa9700 (LWP 5176)]
> [New Thread 0x7fffe52a8700 (LWP 5177)]
> [New Thread 0x7fffe4aa7700 (LWP 5178)]
> [New Thread 0x7fffdffff700 (LWP 5179)]
> [New Thread 0x7fffdf7fe700 (LWP 5180)]
> [New Thread 0x7fffdeffd700 (LWP 5181)]
> [New Thread 0x7fffde7fc700 (LWP 5182)]
> [New Thread 0x7fffddffb700 (LWP 5183)]
> [New Thread 0x7fffdd7fa700 (LWP 5184)]
> [New Thread 0x7fffdcff9700 (LWP 5185)]
> ** Message: AgsRecallFactory creating: ags-delay
> ** Message: AgsRecallFactory creating: ags-count-beats
> ** Message: ags_channel_nth:
> nth channel does not exist
> `- stopped @: i = 0; nth = 0
>
> ** Message: AgsRecallFactory creating: ags-copy-pattern
> ** Message: ags_channel_nth:
> nth channel does not exist
> `- stopped @: i = 0; nth = 0
>
> ** Message: debug: AGS_IS_COPY_PATTERN_AUDIO_RUN(packable)
>
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffddffb700 (LWP 5183)]
> ags_task_thread_append_task_queue (thread=0x97a010)
> at ./src/ags/thread/ags_task_thread.c:264
> 264 task_thread = append->task_thread;
>
>
>
>
> (gdb) make ags
> gcc -DHAVE_CONFIG_H -I. -I./src/ -I/usr/include/uuid
> -I/usr/include/alsa -I/usr/include/libxml2
> -I/usr/include/libinstpatch-1.0 -I/usr/include/glib-2.0
> -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -pthread
> -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include
> -pthread -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0
> -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/libpng12
> -I/usr/include/cairo -I/usr/include/glib-2.0
> -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1
> -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/libdrm
> -pthread -I/usr/include/gtk-2.0
> -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/atk-1.0
> -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0
> -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/
> -I/usr/include/freetype2 -I/usr/include/glib-2.0
> -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1
> -I/usr/include/libpng12 -I/usr/include/libdrm -I/usr/include/harfbuzz
> -g -O2 -MT ags-ags_returnable_thread.o -MD -MP
> -MF .deps/ags-ags_returnable_thread.Tpo -c -o
> ags-ags_returnable_thread.o `test -f
> './src/ags/thread/ags_returnable_thread.c' || echo
> './'`./src/ags/thread/ags_returnable_thread.c
> In file included
> from /usr/lib/x86_64-linux-gnu/glib-2.0/include/glibconfig.h:9:0,
> from /usr/include/glib-2.0/glib/gtypes.h:34,
> from /usr/include/glib-2.0/glib/galloca.h:34,
> from /usr/include/glib-2.0/glib.h:32,
> from ./src/ags/thread/ags_returnable_thread.h:22,
> from ./src/ags/thread/ags_returnable_thread.c:19:
> ./src/ags/thread/ags_returnable_thread.c: In function
> 'ags_returnable_thread_init':
> /usr/include/glib-2.0/glib/gmacros.h:181:53: error: size of array
> '_GStaticAssertCompileTimeAssertion_1' is negative
> #define G_STATIC_ASSERT(expr) typedef char G_PASTE
> (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1]
> G_GNUC_UNUSED
> ^
> /usr/include/glib-2.0/glib/gmacros.h:178:47: note: in definition of
> macro 'G_PASTE_ARGS'
> #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ##
> identifier2
> ^
> /usr/include/glib-2.0/glib/gmacros.h:181:44: note: in expansion of macro
> 'G_PASTE'
> #define G_STATIC_ASSERT(expr) typedef char G_PASTE
> (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1]
> G_GNUC_UNUSED
> ^
> /usr/include/glib-2.0/glib/gatomic.h:154:5: note: in expansion of macro
> 'G_STATIC_ASSERT'
> G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer));
> \
> ^
> ./src/ags/thread/ags_returnable_thread.c:108:3: note: in expansion of
> macro 'g_atomic_pointer_set'
> g_atomic_pointer_set((returnable_thread->safe_data),
> ^
> ./src/ags/thread/ags_returnable_thread.c:108:3: error: invalid use of
> void expression
> In file included from /usr/include/glib-2.0/glib/gthread.h:34:0,
> from /usr/include/glib-2.0/glib/gasyncqueue.h:34,
> from /usr/include/glib-2.0/glib.h:34,
> from ./src/ags/thread/ags_returnable_thread.h:22,
> from ./src/ags/thread/ags_returnable_thread.c:19:
> /usr/include/glib-2.0/glib/gatomic.h:156:5: warning: dereferencing 'void
> *' pointer [enabled by default]
> *(atomic) = (__typeof__ (*(atomic))) (gsize) (newval);
> \
> ^
> ./src/ags/thread/ags_returnable_thread.c:108:3: note: in expansion of
> macro 'g_atomic_pointer_set'
> g_atomic_pointer_set((returnable_thread->safe_data),
> ^
> ./src/ags/thread/ags_returnable_thread.c:108:3: error: invalid use of
> void expression
> make: *** [ags-ags_returnable_thread.o] Error 1
>
>
>
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list@gnome.org
> https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
The following will compile but is it still correct?
g_atomic_pointer_set(&(returnable_thread->safe_data),
NULL);
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