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qemu-timer: Avoid type casts 

The type casts are no longer needed after some small changes
in struct qemu_alarm_timer. This also improves readability
of the code.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
This commit is contained in:
Stefan Weil 2011-04-10 20:15:09 +02:00
parent 2821d0f3ab
commit cd0544ee55
1 changed files with 22 additions and 20 deletions
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42
qemu-timer.c
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@ -175,8 +175,12 @@ struct qemu_alarm_timer {
int (*start)(struct qemu_alarm_timer *t);
void (*stop)(struct qemu_alarm_timer *t);
void (*rearm)(struct qemu_alarm_timer *t);
void *priv;
#if defined(__linux__)
int fd;
timer_t timer;
#elif defined(_WIN32)
HANDLE timer;
#endif
char expired;
char pending;
};
@ -295,18 +299,16 @@ static struct qemu_alarm_timer alarm_timers[] = {
#ifndef _WIN32
#ifdef __linux__
{"dynticks", dynticks_start_timer,
dynticks_stop_timer, dynticks_rearm_timer, NULL},
dynticks_stop_timer, dynticks_rearm_timer},
/* HPET - if available - is preferred */
{"hpet", hpet_start_timer, hpet_stop_timer, NULL, NULL},
{"hpet", hpet_start_timer, hpet_stop_timer, NULL},
/* ...otherwise try RTC */
{"rtc", rtc_start_timer, rtc_stop_timer, NULL, NULL},
{"rtc", rtc_start_timer, rtc_stop_timer, NULL},
#endif
{"unix", unix_start_timer, unix_stop_timer, NULL, NULL},
{"unix", unix_start_timer, unix_stop_timer, NULL},
#else
{"dynticks", win32_start_timer,
win32_stop_timer, win32_rearm_timer, NULL},
{"win32", win32_start_timer,
win32_stop_timer, NULL, NULL},
{"dynticks", win32_start_timer, win32_stop_timer, win32_rearm_timer},
{"win32", win32_start_timer, win32_stop_timer, NULL},
#endif
{NULL, }
};
@ -864,7 +866,7 @@ static int hpet_start_timer(struct qemu_alarm_timer *t)
goto fail;
enable_sigio_timer(fd);
t->priv = (void *)(long)fd;
t->fd = fd;
return 0;
fail:
@ -874,7 +876,7 @@ fail:
static void hpet_stop_timer(struct qemu_alarm_timer *t)
{
int fd = (long)t->priv;
int fd = t->fd;
close(fd);
}
@ -903,14 +905,14 @@ static int rtc_start_timer(struct qemu_alarm_timer *t)
enable_sigio_timer(rtc_fd);
t->priv = (void *)(long)rtc_fd;
t->fd = rtc_fd;
return 0;
}
static void rtc_stop_timer(struct qemu_alarm_timer *t)
{
int rtc_fd = (long)t->priv;
int rtc_fd = t->fd;
close(rtc_fd);
}
@ -945,21 +947,21 @@ static int dynticks_start_timer(struct qemu_alarm_timer *t)
return -1;
}
t->priv = (void *)(long)host_timer;
t->timer = host_timer;
return 0;
}
static void dynticks_stop_timer(struct qemu_alarm_timer *t)
{
timer_t host_timer = (timer_t)(long)t->priv;
timer_t host_timer = t->timer;
timer_delete(host_timer);
}
static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
{
timer_t host_timer = (timer_t)(long)t->priv;
timer_t host_timer = t->timer;
struct itimerspec timeout;
int64_t nearest_delta_ns = INT64_MAX;
int64_t current_ns;
@ -1061,13 +1063,13 @@ static int win32_start_timer(struct qemu_alarm_timer *t)
return -1;
}
t->priv = (PVOID) hTimer;
t->timer = hTimer;
return 0;
}
static void win32_stop_timer(struct qemu_alarm_timer *t)
{
HANDLE hTimer = t->priv;
HANDLE hTimer = t->timer;
if (hTimer) {
DeleteTimerQueueTimer(NULL, hTimer, NULL);
@ -1076,7 +1078,7 @@ static void win32_stop_timer(struct qemu_alarm_timer *t)
static void win32_rearm_timer(struct qemu_alarm_timer *t)
{
HANDLE hTimer = t->priv;
HANDLE hTimer = t->timer;
int nearest_delta_ms;
BOOLEAN success;