29 lines
783 B
C
29 lines
783 B
C
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#include "utils.h"
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/*===========================================================================*
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* tick_delay *
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*===========================================================================*/
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PUBLIC int tick_delay(ticks)
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long ticks; /* number of ticks to wait */
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{
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message m;
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int s;
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if (ticks <= 0) return; /* check for robustness */
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m.m_type = SYS_SYNCALRM; /* request a synchronous alarm */
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m.ALRM_PROC_NR = SELF; /* SELF means this process nr */
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m.ALRM_EXP_TIME = ticks; /* request message after ticks */
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m.ALRM_ABS_TIME = 0; /* ticks are relative to now */
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s = _taskcall(SYSTASK, SYS_SYNCALRM, &m);
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if (OK == s) receive(HARDWARE,&m); /* await synchronous alarm */
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return(s);
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}
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