diff options
Diffstat (limited to 'eval.c')
| -rw-r--r-- | eval.c | 28 |
1 files changed, 23 insertions, 5 deletions
@@ -777,6 +777,27 @@ bool eval_xtype(const struct expr *expr, struct eval_state *state) { return false; } +#if _POSIX_MONOTONIC_CLOCK > 0 +# define BFS_CLOCK CLOCK_MONOTONIC +#elif _POSIX_TIMERS > 0 +# define BFS_CLOCK CLOCK_REALTIME +#endif + +/** + * Call clock_gettime(), if available. + */ +static int eval_gettime(struct timespec *ts) { +#ifdef BFS_CLOCK + int ret = clock_gettime(BFS_CLOCK, ts); + if (ret != 0) { + perror("clock_gettime()"); + } + return ret; +#else + return -1; +#endif +} + /** * Record the time that elapsed evaluating an expression. */ @@ -799,8 +820,7 @@ static bool eval_expr(struct expr *expr, struct eval_state *state) { struct timespec start, end; bool time = state->cmdline->debug & DEBUG_RATES; if (time) { - if (clock_gettime(CLOCK_MONOTONIC, &start) != 0) { - perror("clock_gettime()"); + if (eval_gettime(&start) != 0) { time = false; } } @@ -808,10 +828,8 @@ static bool eval_expr(struct expr *expr, struct eval_state *state) { bool ret = expr->eval(expr, state); if (time) { - if (clock_gettime(CLOCK_MONOTONIC, &end) == 0) { + if (eval_gettime(&end) == 0) { add_elapsed(expr, &start, &end); - } else { - perror("clock_gettime()"); } } |