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Drop a gcc warning

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paboyle 2017-05-06 15:51:42 +01:00
parent c1c7566089
commit 3bae0a2d5c
1 changed files with 4 additions and 2 deletions
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6
lib/perfmon/PerfCount.h
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@ -206,11 +206,13 @@ public:
count=0; count=0;
cycles=0; cycles=0;
#ifdef __linux__ #ifdef __linux__
ssize_t ign;
if ( fd!= -1) { if ( fd!= -1) {
::ioctl(fd, PERF_EVENT_IOC_DISABLE, 0); ::ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
::ioctl(cyclefd, PERF_EVENT_IOC_DISABLE, 0); ::ioctl(cyclefd, PERF_EVENT_IOC_DISABLE, 0);
::read(fd, &count, sizeof(long long)); ign=::read(fd, &count, sizeof(long long));
::read(cyclefd, &cycles, sizeof(long long)); ign+=::read(cyclefd, &cycles, sizeof(long long));
assert(ign=2*sizeof(longlong));
} }
elapsed = cyclecount() - begin; elapsed = cyclecount() - begin;
#else #else