X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Ftimer.c;fp=src%2Futil%2Ftimer.c;h=6bb757837861e187d7007466bd4584b4f03789c8;hb=ad50533aef71e9697fe78bb636e64079f198f985;hp=8ffadc88d829b9d05453c7bea2c7efd615ec96bd;hpb=0063d936c925d1be1eac389f710dfc65460f5520;p=chaz%2Ftint2 diff --git a/src/util/timer.c b/src/util/timer.c index 8ffadc8..6bb7578 100644 --- a/src/util/timer.c +++ b/src/util/timer.c @@ -21,9 +21,9 @@ #include "timer.h" GSList* timeout_list = 0; -struct timespec next_timeout; +struct timeval next_timeout; -void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), struct timeout* t); +void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(void*), void* arg, struct timeout* t); gint compare_timeouts(gconstpointer t1, gconstpointer t2); gint compare_timespecs(const struct timespec* t1, const struct timespec* t2); int timespec_subtract(struct timespec* result, struct timespec* x, struct timespec* y); @@ -36,20 +36,27 @@ int timespec_subtract(struct timespec* result, struct timespec* x, struct timesp * is in the past to the current time. * As time measurement we use clock_gettime(CLOCK_MONOTONIC) because this refers to a timer, which * reference point lies somewhere in the past and cannot be changed, but just queried. + * If a single shot timer is installed it will be automatically deleted. I.e. the returned value + * of add_timeout will not be valid anymore. You do not need to call stop_timeout for these timeouts, + * however it's save to call it. **/ -const struct timeout* add_timeout(int value_msec, int interval_msec, void (*_callback)()) +const struct timeout* add_timeout(int value_msec, int interval_msec, void (*_callback)(void*), void* arg) { struct timeout* t = malloc(sizeof(struct timeout)); - add_timeout_intern(value_msec, interval_msec, _callback, t); + add_timeout_intern(value_msec, interval_msec, _callback, arg, t); return t; } -void change_timeout(const struct timeout *t, int value_msec, int interval_msec, void(*_callback)()) +void change_timeout(const struct timeout *t, int value_msec, int interval_msec, void(*_callback)(), void* arg) { - timeout_list = g_slist_remove(timeout_list, t); - add_timeout_intern(value_msec, interval_msec, _callback, (struct timeout*)t); + if ( g_slist_find(timeout_list, t) == 0 ) + printf("timeout already deleted..."); + else { + timeout_list = g_slist_remove(timeout_list, t); + add_timeout_intern(value_msec, interval_msec, _callback, arg, (struct timeout*)t); + } } @@ -58,10 +65,15 @@ void update_next_timeout() if (timeout_list) { struct timeout* t = timeout_list->data; struct timespec cur_time; + struct timespec next_timeout2 = { .tv_sec=next_timeout.tv_sec, .tv_nsec=next_timeout.tv_usec*1000 }; clock_gettime(CLOCK_MONOTONIC, &cur_time); - if (timespec_subtract(&next_timeout, &t->timeout_expires, &cur_time)) { + if (timespec_subtract(&next_timeout2, &t->timeout_expires, &cur_time)) { next_timeout.tv_sec = 0; - next_timeout.tv_nsec = 0; + next_timeout.tv_usec = 0; + } + else { + next_timeout.tv_sec = next_timeout2.tv_sec; + next_timeout.tv_usec = next_timeout2.tv_nsec/1000; } } else @@ -78,12 +90,12 @@ void callback_timeout_expired() t = timeout_list->data; if (compare_timespecs(&t->timeout_expires, &cur_time) <= 0) { // it's time for the callback function - t->_callback(); + t->_callback(t->arg); if (g_slist_find(timeout_list, t)) { // if _callback() calls stop_timeout(t) the timeout 't' was freed and is not in the timeout_list timeout_list = g_slist_remove(timeout_list, t); if (t->interval_msec > 0) - add_timeout_intern(t->interval_msec, t->interval_msec, t->_callback, t); + add_timeout_intern(t->interval_msec, t->interval_msec, t->_callback, t->arg, t); else free(t); } @@ -113,10 +125,11 @@ void stop_all_timeouts() } -void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), struct timeout *t) +void add_timeout_intern(int value_msec, int interval_msec, void(*_callback)(), void* arg, struct timeout *t) { t->interval_msec = interval_msec; t->_callback = _callback; + t->arg = arg; struct timespec expire; clock_gettime(CLOCK_MONOTONIC, &expire); expire.tv_sec += value_msec / 1000;