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more efficient signal blocking for timer threads
[musl]
/
src
/
unistd
/
ualarm.c
diff --git
a/src/unistd/ualarm.c
b/src/unistd/ualarm.c
index
1eb0869
..
855504b
100644
(file)
--- a/
src/unistd/ualarm.c
+++ b/
src/unistd/ualarm.c
@@
-1,8
+1,13
@@
+#define _GNU_SOURCE
#include <unistd.h>
#include <unistd.h>
-#include
"syscall.h"
+#include
<sys/time.h>
-/* FIXME: ?? */
-unsigned ualarm(unsigned useconds, unsigned interval)
+unsigned ualarm(unsigned value, unsigned interval)
{
{
- return -1;
+ struct itimerval it = {
+ .it_interval.tv_usec = interval,
+ .it_value.tv_usec = value
+ };
+ setitimer(ITIMER_REAL, &it, &it);
+ return it.it_value.tv_sec*1000000 + it.it_value.tv_usec;
}
}