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rtemsbsd: Catch timeout overflows

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Update #4475
This commit is contained in:
Chris Johns
2021-07-19 18:57:51 +10:00
parent 684cf3cdc2
commit 2a01430ba5
1 changed files with 10 additions and 4 deletions
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14
rtemsbsd/rtems/rtems-kernel-timesupport.c
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@@ -37,6 +37,7 @@
#include <sys/time.h> #include <sys/time.h>
#include <limits.h>
#include <rtems/score/timespec.h> #include <rtems/score/timespec.h>
/* /*
@@ -45,10 +46,15 @@
int int
tvtohz(struct timeval *tv) tvtohz(struct timeval *tv)
{ {
struct timespec ts; struct timespec ts;
uint32_t ticks;
ts.tv_sec = tv->tv_sec; ts.tv_sec = tv->tv_sec;
ts.tv_nsec = tv->tv_usec * 1000; ts.tv_nsec = tv->tv_usec * 1000;
return (int) _Timespec_To_ticks( &ts ); ticks = _Timespec_To_ticks(&ts);
if (ticks > INT_MAX)
ticks = INT_MAX;
return ticks;
} }