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taskset: (1ull < 65) like ops are not good, avoid that

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This commit is contained in:
Denis Vlasenko 2008-04-25 17:01:06 +00:00
parent 95842fbc16
commit 44f0821259
1 changed files with 3 additions and 1 deletions
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4
miscutils/taskset.c
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@ -93,8 +93,10 @@ int taskset_main(int argc ATTRIBUTE_UNUSED, char **argv)
unsigned i;
/* Do not allow zero mask: */
unsigned long long m = xstrtoull_range(aff, 0, 1, ULLONG_MAX);
enum { CNT_BIT = CPU_SETSIZE < sizeof(m)*8 ? CPU_SETSIZE : sizeof(m)*8 };
CPU_ZERO(&mask);
for (i = 0; i < CPU_SETSIZE; i++) {
for (i = 0; i < CNT_BIT; i++) {
unsigned long long bit = (1ULL << i);
if (bit & m)
CPU_SET(i, &mask);