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apps/speed.c: limit loop counters to 2^31 in order to avoid overflows

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in performance calculations. For the moment there is only one code
fast enough to suffer from this: Intel AES-NI engine.
PR: 2096
This commit is contained in:
Andy Polyakov 2010-01-17 17:31:38 +00:00
parent 78a533cb93
commit d582c98d8f
1 changed files with 15 additions and 5 deletions
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20
apps/speed.c
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@ -277,9 +277,11 @@ static DWORD WINAPI sleepy(VOID *arg)
static double Time_F(int s) static double Time_F(int s)
{ {
double ret;
static HANDLE thr;
if (s == START) if (s == START)
{ {
HANDLE thr;
schlock = 0; schlock = 0;
thr = CreateThread(NULL,4096,sleepy,NULL,0,NULL); thr = CreateThread(NULL,4096,sleepy,NULL,0,NULL);
if (thr==NULL) if (thr==NULL)
@ -288,17 +290,25 @@ static double Time_F(int s)
BIO_printf(bio_err,"unable to CreateThread (%d)",ret); BIO_printf(bio_err,"unable to CreateThread (%d)",ret);
ExitProcess(ret); ExitProcess(ret);
} }
CloseHandle(thr); /* detach the thread */
while (!schlock) Sleep(0); /* scheduler spinlock */ while (!schlock) Sleep(0); /* scheduler spinlock */
ret = app_tminterval(s,usertime);
}
else
{
ret = app_tminterval(s,usertime);
if (run) TerminateThread(thr,0);
CloseHandle(thr);
} }
return app_tminterval(s,usertime); return ret;
} }
#else #else
static double Time_F(int s) static double Time_F(int s)
{ {
return app_tminterval(s,usertime); double ret = app_tminterval(s,usertime);
if (s == STOP) alarm(0);
return ret;
} }
#endif #endif
@ -1454,7 +1464,7 @@ int MAIN(int argc, char **argv)
# error "You cannot disable DES on systems without SIGALRM." # error "You cannot disable DES on systems without SIGALRM."
#endif /* OPENSSL_NO_DES */ #endif /* OPENSSL_NO_DES */
#else #else
#define COND(c) (run) #define COND(c) (run && count<0x7fffffff)
#define COUNT(d) (count) #define COUNT(d) (count)
#ifndef _WIN32 #ifndef _WIN32
signal(SIGALRM,sig_done); signal(SIGALRM,sig_done);