37 lines
618 B
C
37 lines
618 B
C
#include <mlvalues.h>
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#include "unix.h"
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#include <errno.h>
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#ifdef HAS_GETPRIORITY
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#include <sys/time.h>
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#include <sys/resource.h>
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value unix_nice(incr)
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value incr;
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{
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int prio;
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errno = 0;
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prio = getpriority(PRIO_PROCESS, 0);
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if (prio == -1 && errno != 0)
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uerror("nice", Nothing);
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prio += Int_val(incr);
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if (setpriority(PRIO_PROCESS, 0, prio) == -1)
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uerror("nice", Nothing);
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return Val_int(prio);
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}
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#else
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value unix_nice(incr)
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value incr;
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{
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int ret;
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errno = 0;
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ret = nice(Int_val(incr));
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if (ret == -1 && errno != 0) uerror("nice", Nothing);
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return Val_int(ret);
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}
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#endif
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