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33 lines
585 B
C
33 lines
585 B
C
#include "ns.h"
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void
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timer(envid_t ns_envid, uint32_t initial_to) {
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int r;
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uint32_t stop = sys_time_msec() + initial_to;
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binaryname = "ns_timer";
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while (1) {
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while((r = sys_time_msec()) < stop && r >= 0) {
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sys_yield();
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}
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if (r < 0)
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panic("sys_time_msec: %e", r);
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ipc_send(ns_envid, NSREQ_TIMER, 0, 0);
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while (1) {
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uint32_t to, whom;
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to = ipc_recv((int32_t *) &whom, 0, 0);
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if (whom != ns_envid) {
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cprintf("NS TIMER: timer thread got IPC message from env %x not NS\n", whom);
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continue;
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}
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stop = sys_time_msec() + to;
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break;
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}
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}
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}
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