ee509198a2
Changed variable names in timers libary. Wrote new comments for timers.h header file with explanation.
41 lines
843 B
C
41 lines
843 B
C
#include "timers.h"
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/*===========================================================================*
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* tmrs_clrtimer *
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*===========================================================================*/
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clock_t tmrs_clrtimer(tmrs, tp, next_time)
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timer_t **tmrs; /* pointer to timers queue */
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timer_t *tp; /* timer to be removed */
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clock_t *next_time;
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{
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/* Deactivate a timer and remove it from the timers queue.
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*/
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timer_t **atp;
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struct proc *p;
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clock_t prev_time;
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if(*tmrs)
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prev_time = (*tmrs)->tmr_exp_time;
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else
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prev_time = 0;
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tp->tmr_exp_time = TMR_NEVER;
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for (atp = tmrs; *atp != NULL; atp = &(*atp)->tmr_next) {
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if (*atp == tp) {
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*atp = tp->tmr_next;
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break;
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}
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}
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if(next_time) {
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if(*tmrs)
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*next_time = (*tmrs)->tmr_exp_time;
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else
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*next_time = 0;
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}
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return prev_time;
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}
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