23 lines
925 B
C
23 lines
925 B
C
#include "syslib.h"
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/*===========================================================================*
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* sys_flagalrm *
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*===========================================================================*/
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PUBLIC int sys_flagalrm(ticks, flag_ptr)
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clock_t ticks; /* number of ticks until the flag is set */
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int *flag_ptr; /* pointer to timeout flag to be set */
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{
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/* Make a call to the clock to schedule a timeout flag alarm for the caller. */
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message m;
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if (flag_ptr != NULL) /* expect the worst */
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*flag_ptr = 0; /* reset timeout flag first */
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m.m_type = SYS_FLAGALRM; /* alarm type requested */
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m.ALRM_PROC_NR = SELF; /* m_source will be used */
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m.ALRM_EXP_TIME = ticks; /* alarm is due after ticks */
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m.ALRM_ABS_TIME = 0; /* ticks are relative to now */
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m.ALRM_FLAG_PTR = (char *) flag_ptr;
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return _taskcall(SYSTASK, SYS_FLAGALRM, &m);
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}
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