36 lines
		
	
	
		
			847 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			847 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <sys/cdefs.h>
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| #include "namespace.h"
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| #include <lib.h>
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| 
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| #include <string.h>
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| #include <sys/time.h>
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| 
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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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| 
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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) {
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| 	errno = EINVAL;
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| 	return -1;
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|   }
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| 
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|   memset(&m, 0, sizeof(m));
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|   m.m_lc_pm_itimer.which = which;
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|   m.m_lc_pm_itimer.value = (vir_bytes)value;
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|   m.m_lc_pm_itimer.ovalue = (vir_bytes)ovalue;
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| 
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|   return _syscall(PM_PROC_NR, PM_ITIMER, &m);
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| }
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| 
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| #if defined(__minix) && defined(__weak_alias)
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| __weak_alias(setitimer, __setitimer50)
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| #endif
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