diff options
Diffstat (limited to 'src/lib/wallclock')
| -rw-r--r-- | src/lib/wallclock/include.am | 1 | ||||
| -rw-r--r-- | src/lib/wallclock/timeval.c | 0 | ||||
| -rw-r--r-- | src/lib/wallclock/timeval.h | 58 |
3 files changed, 59 insertions, 0 deletions
diff --git a/src/lib/wallclock/include.am b/src/lib/wallclock/include.am index 7b735e97ee..7864c21e16 100644 --- a/src/lib/wallclock/include.am +++ b/src/lib/wallclock/include.am @@ -17,5 +17,6 @@ src_lib_libtor_wallclock_testing_a_CFLAGS = $(AM_CFLAGS) $(TEST_CFLAGS) noinst_HEADERS += \ src/lib/wallclock/approx_time.h \ + src/lib/wallclock/timeval.h \ src/lib/wallclock/tm_cvt.h \ src/lib/wallclock/tor_gettimeofday.h diff --git a/src/lib/wallclock/timeval.c b/src/lib/wallclock/timeval.c new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/src/lib/wallclock/timeval.c diff --git a/src/lib/wallclock/timeval.h b/src/lib/wallclock/timeval.h new file mode 100644 index 0000000000..6a9b36a022 --- /dev/null +++ b/src/lib/wallclock/timeval.h @@ -0,0 +1,58 @@ +/* Copyright (c) 2003-2004, Roger Dingledine + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2018, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef TOR_TIMEVAL_H +#define TOR_TIMEVAL_H + +#include "orconfig.h" +#include "lib/cc/torint.h" + +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif + +#ifndef timeradd +/** Replacement for timeradd on platforms that do not have it: sets tvout to + * the sum of tv1 and tv2. */ +#define timeradd(tv1,tv2,tvout) \ + do { \ + (tvout)->tv_sec = (tv1)->tv_sec + (tv2)->tv_sec; \ + (tvout)->tv_usec = (tv1)->tv_usec + (tv2)->tv_usec; \ + if ((tvout)->tv_usec >= 1000000) { \ + (tvout)->tv_usec -= 1000000; \ + (tvout)->tv_sec++; \ + } \ + } while (0) +#endif /* !defined(timeradd) */ + +#ifndef timersub +/** Replacement for timersub on platforms that do not have it: sets tvout to + * tv1 minus tv2. */ +#define timersub(tv1,tv2,tvout) \ + do { \ + (tvout)->tv_sec = (tv1)->tv_sec - (tv2)->tv_sec; \ + (tvout)->tv_usec = (tv1)->tv_usec - (tv2)->tv_usec; \ + if ((tvout)->tv_usec < 0) { \ + (tvout)->tv_usec += 1000000; \ + (tvout)->tv_sec--; \ + } \ + } while (0) +#endif /* !defined(timersub) */ + +#ifndef timercmp +/** Replacement for timercmp on platforms that do not have it: returns true + * iff the relational operator "op" makes the expression tv1 op tv2 true. + * + * Note that while this definition should work for all boolean operators, some + * platforms' native timercmp definitions do not support >=, <=, or ==. So + * don't use those. + */ +#define timercmp(tv1,tv2,op) \ + (((tv1)->tv_sec == (tv2)->tv_sec) ? \ + ((tv1)->tv_usec op (tv2)->tv_usec) : \ + ((tv1)->tv_sec op (tv2)->tv_sec)) +#endif /* !defined(timercmp) */ + +#endif |