On Wed, 2016-12-21 at 20:25 +0000, Chris Wilson wrote: > On Wed, Dec 21, 2016 at 03:17:21PM -0500, Lyude wrote: > > This is a simple macro for executing a block of code at the > > beginning of > > intel-gpu-tools, before any tests have been ran. Useful for > > initialization of global resources used in IGT libraries. > > > > Signed-off-by: Lyude <lyude@xxxxxxxxxx> > > --- > > configure.ac | 1 + > > lib/igt_core.h | 13 +++++++++++++ > > 2 files changed, 14 insertions(+) > > > > diff --git a/configure.ac b/configure.ac > > index fa31a52..411bfab 100644 > > --- a/configure.ac > > +++ b/configure.ac > > @@ -65,6 +65,7 @@ > > AC_CHECK_TYPES([sighandler_t],[],[],[AC_INCLUDES_DEFAULT > > #include <signal.h>]) > > AC_CHECK_FUNCS([swapctl]) > > AC_CHECK_FUNCS([asprintf]) > > +AX_GCC_FUNC_ATTRIBUTE([constructor]) > > > > dnl Check for POSIX timers > > AC_CHECK_FUNCS(timer_create, [], [ > > diff --git a/lib/igt_core.h b/lib/igt_core.h > > index 661a634..e76fd5f 100644 > > --- a/lib/igt_core.h > > +++ b/lib/igt_core.h > > @@ -281,6 +281,19 @@ void igt_simple_init_parse_opts(int *argc, > > char **argv, > > } \ > > static void igt_tokencat(__real_main, __LINE__)(void) \ > > > > +/** > > + * igt_constructor: > > + * > > + * Convenience macro to run the provided code block when igt first > > starts, > > + * before any tests have been run. This should be used for parts > > of the igt > > + * library that require initialization of objects with global > > context. > > + * > > + * This code block will be executed exactly once. > > + */ > > +#define igt_constructor \ > > + static void __igt_constructor_block(void) > > __attribute__((constructor)); \ > > + static void __igt_constructor_block(void) > > #define igt_constructor \ > __attribute__((constructor)) \ > static void igt_tokencat(__igt_constructor, __LINE__)(void) > > Allows for the flexibility to use multiple constructors from the > file. > -chris ooh, clever. will respin in just a sec. > -- Cheers, Lyude _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
