diff options
Diffstat (limited to 'erts/emulator/beam/sys.h')
| -rw-r--r-- | erts/emulator/beam/sys.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index c29d4b3777..828f5b427a 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -189,6 +189,22 @@ __decl_noreturn void __noreturn erl_assert_error(const char* expr, const char *f #endif /* + * Compile time assert + * (the actual compiler error msg can be a bit confusing) + */ +#if ERTS_AT_LEAST_GCC_VSN__(3,1,1) +# define ERTS_CT_ASSERT(e) \ + do { \ + enum { compile_time_assert__ = __builtin_choose_expr((e),0,(void)0) }; \ + } while(0) +#else +# define ERTS_CT_ASSERT(e) \ + do { \ + enum { compile_time_assert__ = 1/(e) }; \ + } while (0) +#endif + +/* * Microsoft C/C++: We certainly want to use stdarg.h and prototypes. * But MSC doesn't define __STDC__, unless we compile with the -Za * flag (strict ANSI C, no Microsoft extension). Compiling with -Za @@ -756,6 +772,8 @@ typedef struct { } ErtsCheckIoDebugInfo; int erts_check_io_debug(ErtsCheckIoDebugInfo *ip); +int erts_sys_is_area_readable(char *start, char *stop); + /* xxxP */ #define SYS_DEFAULT_FLOAT_DECIMALS 20 void init_sys_float(void); @@ -784,6 +802,11 @@ int erts_sys_unsetenv(char *key); char *erts_read_env(char *key); void erts_free_read_env(void *value); +#if defined(ERTS_THR_HAVE_SIG_FUNCS) && !defined(ETHR_UNUSABLE_SIGUSRX) +extern void sys_thr_resume(erts_tid_t tid); +extern void sys_thr_suspend(erts_tid_t tid); +#endif + /* utils.c */ /* Options to sys_alloc_opt */ |