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abstime.c: add 7 day offset to time_monotonic() functions

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The start point of the monotonic clock is undefined, but in practice
it is often zero. There is lots of code that does not assume that a
timestamp can be that low and then fails in subtle ways.
Add a 7 day offset to the clock value to work around that.

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@1271 e54a6e83-5905-42d5-8d5c-058d10e6a962
This commit is contained in:
seife
2011-03-07 10:44:46 +00:00
parent daf195c662
commit e78a89520d
1 changed files with 4 additions and 2 deletions
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6
src/driver/abstime.c
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@@ -10,7 +10,7 @@ time_t time_monotonic_ms(void)
perror("time_monotonic_ms clock_gettime"); perror("time_monotonic_ms clock_gettime");
return -1; return -1;
} }
ret = (t.tv_sec & 0x01FFFFF) * 1000; /* avoid overflow */ ret = ((t.tv_sec + 604800)& 0x01FFFFF) * 1000; /* avoid overflow */
ret += t.tv_nsec / 1000000; ret += t.tv_nsec / 1000000;
return ret; return ret;
} }
@@ -23,5 +23,7 @@ time_t time_monotonic(void)
perror("time_monotonic clock_gettime"); perror("time_monotonic clock_gettime");
return -1; return -1;
} }
return t.tv_sec; /* CLOCK_MONOTONIC is often == uptime, so starts at 0. Bad for relative
time comparisons if the uptime is low, so add 7 days */
return t.tv_sec + 604800;
} }