static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
+#if WIN32
+/* note: the comment below could not be substantiated, but what would I care */
+/* MSDN says this is required to handle SIGFPE */
+volatile double SIGFPE_REQ = 0.0f;
+#endif
+
+/*****************************************************************************/
+
+static void (*syserr_cb)(void);
+
+void ev_set_syserr_cb (void (*cb)(void))
+{
+ syserr_cb = cb;
+}
+
+static void
+syserr (void)
+{
+ if (syserr_cb)
+ syserr_cb ();
+ else
+ {
+ perror ("libev");
+ abort ();
+ }
+}
+
+static void *(*alloc)(void *ptr, long size);
+
+void ev_set_allocator (void *(*cb)(void *ptr, long size))
+{
+ alloc = cb;
+}
+
+static void *
+ev_realloc (void *ptr, long size)
+{
+ ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
+
+ if (!ptr && size)
+ {
+ fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
+ abort ();
+ }
+
+ return ptr;
+}
+
+#define ev_malloc(size) ev_realloc (0, (size))
+#define ev_free(ptr) ev_realloc ((ptr), 0)
+
/*****************************************************************************/
typedef struct
{
- struct ev_watcher_list *head;
+ WL head;
unsigned char events;
unsigned char reify;
} ANFD;
#define array_roundsize(base,n) ((n) | 4 & ~3)
-#define array_needsize(base,cur,cnt,init) \
- if (expect_false ((cnt) > cur)) \
- { \
- int newcnt = cur; \
- do \
- { \
- newcnt = array_roundsize (base, newcnt << 1); \
- } \
- while ((cnt) > newcnt); \
- \
- base = realloc (base, sizeof (*base) * (newcnt)); \
- init (base + cur, newcnt - cur); \
- cur = newcnt; \
+#define array_needsize(base,cur,cnt,init) \
+ if (expect_false ((cnt) > cur)) \
+ { \
+ int newcnt = cur; \
+ do \
+ { \
+ newcnt = array_roundsize (base, newcnt << 1); \
+ } \
+ while ((cnt) > newcnt); \
+ \
+ base = ev_realloc (base, sizeof (*base) * (newcnt)); \
+ init (base + cur, newcnt - cur); \
+ cur = newcnt; \
+ }
+
+#define array_slim(stem) \
+ if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
+ { \
+ stem ## max = array_roundsize (stem ## cnt >> 1); \
+ base = ev_realloc (base, sizeof (*base) * (stem ## max)); \
+ fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\
}
+#define array_free(stem, idx) \
+ ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0;
+
/*****************************************************************************/
static void
anfd->reify = 0;
- if (anfd->events != events)
- {
- method_modify (EV_A_ fd, anfd->events, events);
- anfd->events = events;
- }
+ method_modify (EV_A_ fd, anfd->events, events);
+ anfd->events = events;
}
fdchangecnt = 0;
for (fd = anfdmax; fd--; )
if (anfds [fd].events)
{
- close (fd);
fd_kill (EV_A_ fd);
return;
}
typedef struct
{
- struct ev_watcher_list *head;
+ WL head;
sig_atomic_t volatile gotsig;
} ANSIG;
static void
sighandler (int signum)
{
+#if WIN32
+ signal (signum, sighandler);
+#endif
+
signals [signum - 1].gotsig = 1;
if (!gotsig)
static void
sigcb (EV_P_ struct ev_io *iow, int revents)
{
- struct ev_watcher_list *w;
+ WL w;
int signum;
read (sigpipe [0], &revents, 1);
for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next)
if (w->pid == pid || !w->pid)
{
- w->priority = sw->priority; /* need to do it *now* */
- w->rpid = pid;
- w->rstatus = status;
+ ev_priority (w) = ev_priority (sw); /* need to do it *now* */
+ w->rpid = pid;
+ w->rstatus = status;
event (EV_A_ (W)w, EV_CHILD);
}
}
void
loop_destroy (EV_P)
{
+ int i;
+
#if EV_USE_WIN32
if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A);
#endif
if (method == EVMETHOD_SELECT) select_destroy (EV_A);
#endif
+ for (i = NUMPRI; i--; )
+ array_free (pending, [i]);
+
+ array_free (fdchange, );
+ array_free (timer, );
+ array_free (periodic, );
+ array_free (idle, );
+ array_free (prepare, );
+ array_free (check, );
+
method = 0;
/*TODO*/
}
struct ev_loop *
ev_loop_new (int methods)
{
- struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop));
+ struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
+
+ memset (loop, 0, sizeof (struct ev_loop));
loop_init (EV_A_ methods);
ev_loop_destroy (EV_P)
{
loop_destroy (EV_A);
- free (loop);
+ ev_free (loop);
}
void
static void
timers_reify (EV_P)
{
- while (timercnt && timers [0]->at <= mn_now)
+ while (timercnt && ((WT)timers [0])->at <= mn_now)
{
struct ev_timer *w = timers [0];
if (w->repeat)
{
assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.));
- w->at = mn_now + w->repeat;
+ ((WT)w)->at = mn_now + w->repeat;
downheap ((WT *)timers, timercnt, 0);
}
else
static void
periodics_reify (EV_P)
{
- while (periodiccnt && periodics [0]->at <= rt_now)
+ while (periodiccnt && ((WT)periodics [0])->at <= rt_now)
{
struct ev_periodic *w = periodics [0];
/* first reschedule or stop timer */
if (w->interval)
{
- w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval;
- assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now));
+ ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval;
+ assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now));
downheap ((WT *)periodics, periodiccnt, 0);
}
else
if (w->interval)
{
- ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval;
+ ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
if (fabs (diff) >= 1e-4)
{
/* adjust timers. this is easy, as the offset is the same for all */
for (i = 0; i < timercnt; ++i)
- timers [i]->at += rt_now - mn_now;
+ ((WT)timers [i])->at += rt_now - mn_now;
}
mn_now = rt_now;
if (timercnt)
{
- ev_tstamp to = timers [0]->at - mn_now + method_fudge;
+ ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge;
if (block > to) block = to;
}
if (periodiccnt)
{
- ev_tstamp to = periodics [0]->at - rt_now + method_fudge;
+ ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge;
if (block > to) block = to;
}
if (ev_is_active (w))
return;
- w->at += mn_now;
+ ((WT)w)->at += mn_now;
assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
}
- w->at = w->repeat;
+ ((WT)w)->at = w->repeat;
ev_stop (EV_A_ (W)w);
}
{
if (w->repeat)
{
- w->at = mn_now + w->repeat;
+ ((WT)w)->at = mn_now + w->repeat;
downheap ((WT *)timers, timercnt, ((W)w)->active - 1);
}
else
/* this formula differs from the one in periodic_reify because we do not always round up */
if (w->interval)
- w->at += ceil ((rt_now - w->at) / w->interval) * w->interval;
+ ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval;
ev_start (EV_A_ (W)w, ++periodiccnt);
array_needsize (periodics, periodicmax, periodiccnt, );
array_needsize (signals, signalmax, w->signum, signals_init);
wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w);
- if (!w->next)
+ if (!((WL)w)->next)
{
+#if WIN32
+ signal (w->signum, sighandler);
+#else
struct sigaction sa;
sa.sa_handler = sighandler;
sigfillset (&sa.sa_mask);
sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
sigaction (w->signum, &sa, 0);
+#endif
}
}
ev_io_stop (EV_A_ &once->io);
ev_timer_stop (EV_A_ &once->to);
- free (once);
+ ev_free (once);
cb (revents, arg);
}
void
ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)
{
- struct ev_once *once = malloc (sizeof (struct ev_once));
+ struct ev_once *once = ev_malloc (sizeof (struct ev_once));
if (!once)
cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg);
projects / software / libev.git / blobdiff