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-rw-r--r--usr/klibc/sleep.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/usr/klibc/sleep.c b/usr/klibc/sleep.c
new file mode 100644
index 0000000..47dfd29
--- /dev/null
+++ b/usr/klibc/sleep.c
@@ -0,0 +1,22 @@
+/*
+ * sleep.c
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+unsigned int sleep(unsigned int seconds)
+{
+ struct timespec ts;
+
+ ts.tv_sec = seconds;
+ ts.tv_nsec = 0;
+ if (!nanosleep(&ts, &ts))
+ return 0;
+ else if (errno == EINTR)
+ return ts.tv_sec;
+ else
+ return -1;
+}