kaguya
38 lines
662 B
C
38 lines
662 B
C
#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#include <limits.h>
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int main() {
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errno = 0;
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int original_priority = nice(0);
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assert(original_priority != -1 || !errno);
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errno = 0;
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int ret = nice(1);
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if(ret == -1 && errno) {
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fprintf(stderr, "%s", strerror(errno));
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exit(1);
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}
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errno = 0;
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int new_priority = nice(0);
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assert(new_priority != -1 || !errno);
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assert(new_priority == original_priority + 1);
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errno = 0;
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new_priority = nice(INT_MAX - new_priority);
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assert(new_priority != -1 || !errno);
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assert(new_priority != INT_MAX);
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return 0;
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}
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