diff options
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | lib/igt_core.h | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index fa31a52e..411bfabf 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 661a6343..b669de3e 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 \ + __attribute__((constructor)) \ + static void igt_tokencat(__igt_constructor_l, __LINE__)(void) + __attribute__((format(printf, 1, 2))) void igt_skip(const char *f, ...) __attribute__((noreturn)); __attribute__((format(printf, 5, 6))) |