diff options
| -rw-r--r-- | include/Makefile.am | 2 | ||||
| -rw-r--r-- | include/osmocom/core/timer_compat.h | 44 |
2 files changed, 45 insertions, 1 deletions
diff --git a/include/Makefile.am b/include/Makefile.am index f95d90c7..8b05f80b 100644 --- a/include/Makefile.am +++ b/include/Makefile.am @@ -47,6 +47,7 @@ nobase_include_HEADERS = \ osmocom/core/strrb.h \ osmocom/core/talloc.h \ osmocom/core/timer.h \ + osmocom/core/timer_compat.h \ osmocom/core/utils.h \ osmocom/core/write_queue.h \ osmocom/crypt/auth.h \ @@ -148,7 +149,6 @@ nobase_include_HEADERS += \ endif noinst_HEADERS = \ - osmocom/core/timer_compat.h \ osmocom/gsm/kasumi.h osmocom/gsm/gea.h osmocom/core/bit%gen.h: osmocom/core/bitXXgen.h.tpl diff --git a/include/osmocom/core/timer_compat.h b/include/osmocom/core/timer_compat.h index 77d4ce0a..8fdd0a08 100644 --- a/include/osmocom/core/timer_compat.h +++ b/include/osmocom/core/timer_compat.h @@ -71,5 +71,49 @@ } while (0) #endif +/* Convenience macros for operations on timespecs. + NOTE: `timercmp' does not work for >= or <=. */ + +#ifndef timespecisset +# define timespecisset(tvp) ((tvp)->tv_sec || (tvp)->tv_nsec) +#endif + +#ifndef timespecclear +# define timespecclear(tvp) ((tvp)->tv_sec = (tvp)->tv_nsec = 0) +#endif + +#ifndef timespeccmp +# define timespeccmp(a, b, CMP) \ + (((a)->tv_sec == (b)->tv_sec) ? \ + ((a)->tv_nsec CMP (b)->tv_nsec) : \ + ((a)->tv_sec CMP (b)->tv_sec)) +#endif + +#ifndef timespecadd +# define timespecadd(a, b, result) \ + do { \ + (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ + (result)->tv_nsec = (a)->tv_nsec + (b)->tv_nsec; \ + if ((result)->tv_nsec >= 1000000000) \ + { \ + ++(result)->tv_sec; \ + (result)->tv_nsec -= 1000000000; \ + } \ + } while (0) +#endif + +#ifndef timespecsub +# define timespecsub(a, b, result) \ + do { \ + (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ + (result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \ + if ((result)->tv_nsec < 0) { \ + --(result)->tv_sec; \ + (result)->tv_nsec += 1000000000; \ + } \ + } while (0) +#endif + + /*! @} */ |