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avoid deprecated (by linux) alarm syscall; use setitimer instead

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Rich Felker 2012-05-24 12:21:34 -04:00
commit e241896cd5
1 changed files with 4 additions and 1 deletions
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5
src/unistd/alarm.c
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@ -1,7 +1,10 @@
#include <unistd.h> #include <unistd.h>
#include <sys/time.h>
#include "syscall.h" #include "syscall.h"
unsigned alarm(unsigned seconds) unsigned alarm(unsigned seconds)
{ {
return syscall(SYS_alarm, seconds); struct itimerval it = { .it_value.tv_sec = seconds };
__syscall(SYS_setitimer, ITIMER_REAL, &it, &it);
return it.it_value.tv_sec + !!it.it_value.tv_usec;
} }