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authorGerald Carter <jerry@samba.org>2006-02-24 17:53:25 +0000
committerGerald Carter <jerry@samba.org>2006-02-24 17:53:25 +0000
commitdda81e02b43fa844061d82a9a62951c3882582b9 (patch)
treec8f2923b1cd27121fae91bcfedac8fa41ba53070 /examples
parent9e8b4610bd97c88eb9a424088fd241b5a48177fd (diff)
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r13677: patch from Max N. Boyarov <m.boyarov@sam-solutions.net>
Prevent div/0 when sysconf(_SC_NPROCESSORS_ONLN) fails.
Diffstat (limited to 'examples')
-rw-r--r--examples/perfcounter/perf_writer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/perfcounter/perf_writer.c b/examples/perfcounter/perf_writer.c
index 04127f5621f..00e47bdabaf 100644
--- a/examples/perfcounter/perf_writer.c
+++ b/examples/perfcounter/perf_writer.c
@@ -26,7 +26,7 @@ sig_atomic_t keep_running = TRUE;
/* allocates memory and gets numCPUs, total memory, and PerfFreq, number of disks... */
void get_constants(PERF_DATA_BLOCK *data)
{
- data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN);
+ data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN) > 0 ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
data->PerfFreq = sysconf(_SC_CLK_TCK);
init_mem_data(data);
init_cpu_data(data);