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Merge pull request #127 from xjdrew/real_bugfix_time

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Real bugfix time
This commit is contained in:
云风
2014-06-25 11:00:01 +08:00
parent f849c522bb e0d8b00226
commit b1d6f7fd88
2 changed files with 62 additions and 26 deletions
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66
skynet-src/skynet_timer.c
View File

@@ -48,6 +48,8 @@ struct timer {
int time;
uint32_t current;
uint32_t starttime;
uint64_t current_point;
uint64_t origin_point;
};
static struct timer * TI = NULL;
@@ -218,29 +220,50 @@ skynet_timeout(uint32_t handle, int time, int session) {
return session;
}
static uint32_t
_gettime(void) {
uint32_t t;
// centisecond: 1/100 second
static void
_systime(uint32_t *sec, uint32_t *cs) {
#if !defined(__APPLE__)
struct timespec ti;
clock_gettime(CLOCK_MONOTONIC, &ti);
t = (uint32_t)(ti.tv_sec & 0xffffff) * 100;
t += ti.tv_nsec / 10000000;
clock_gettime(CLOCK_REALTIME, &ti);
*sec = (uint32_t)ti.tv_sec;
*cs = (uint32_t)(ti.tv_nsec / 10000000);
#else
struct timeval tv;
gettimeofday(&tv, NULL);
t = (uint32_t)(tv.tv_sec & 0xffffff) * 100;
t += tv.tv_usec / 10000;
*sec = tv.tv_sec;
*cs = tv.tv_usec / 10000;
#endif
}
static uint64_t
_gettime() {
uint64_t t;
#if !defined(__APPLE__)
struct timespec ti;
clock_gettime(CLOCK_MONOTONIC, &ti);
t = ti.tv_sec * 100;
t += (uint32_t)(ti.tv_nsec / 10000000);
#else
struct timeval tv;
gettimeofday(&tv, NULL);
t = ti.tv_sec * 100;
t += (uint32_t)(tv.tv_usec / 10000);
#endif
return t;
}
void
skynet_updatetime(void) {
uint32_t ct = _gettime();
if (ct != TI->current) {
int diff = ct>=TI->current?ct-TI->current:(0xffffff+1)*100-TI->current+ct;
TI->current = ct;
uint64_t cp = _gettime();
if(cp < TI->current_point) {
skynet_error(NULL, "time diff error: change from %lld to %lld", cp, TI->current_point);
} else if (cp != TI->current_point) {
uint32_t diff = (uint32_t)(cp - TI->current_point);
TI->current_point = cp;
// when cs > 0xffffffff(about 49710), time rewind
TI->current += diff;
int i;
for (i=0;i<diff;i++) {
timer_update(TI);
@@ -261,18 +284,9 @@ skynet_gettime(void) {
void
skynet_timer_init(void) {
TI = timer_create_timer();
TI->current = _gettime();
#if !defined(__APPLE__)
struct timespec ti;
clock_gettime(CLOCK_REALTIME, &ti);
uint32_t sec = (uint32_t)ti.tv_sec;
#else
struct timeval tv;
gettimeofday(&tv, NULL);
uint32_t sec = (uint32_t)tv.tv_sec;
#endif
uint32_t mono = _gettime() / 100;
TI->starttime = sec - mono;
_systime(&TI->starttime, &TI->current);
uint64_t point = _gettime();
TI->current_point = point;
TI->origin_point = point;
}

22
test/time.lua Normal file
View File

@@ -0,0 +1,22 @@
local skynet = require "skynet"
skynet.start(function()
print(skynet.starttime())
print(skynet.now())
skynet.timeout(1, function()
print("in 1", skynet.now())
end)
skynet.timeout(2, function()
print("in 2", skynet.now())
end)
skynet.timeout(3, function()
print("in 3", skynet.now())
end)
skynet.timeout(4, function()
print("in 4", skynet.now())
end)
skynet.timeout(100, function()
print("in 100", skynet.now())
end)
end)