25 lines
614 B
C
25 lines
614 B
C
#include <lib.h>
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#define setitimer _setitimer
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#include <sys/time.h>
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/*
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* This is the implementation of the function to
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* invoke the interval timer setting system call.
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*/
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int setitimer(int which, const struct itimerval *_RESTRICT value,
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struct itimerval *_RESTRICT ovalue)
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{
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message m;
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/* A null pointer for 'value' would make setitimer behave like getitimer,
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* which is not according to the specification, so disallow null pointers.
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*/
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if (value == NULL) return(EINVAL);
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m.m1_i1 = which;
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m.m1_p1 = (char *) value;
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m.m1_p2 = (char *) ovalue;
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return _syscall(PM_PROC_NR, ITIMER, &m);
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}
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