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authorElie De Brauwer <eliedebrauwer@gmail.com>2012-08-15 12:53:54 +0200
committerElie De Brauwer <eliedebrauwer@gmail.com>2012-08-15 12:53:54 +0200
commitc96444da80b7db3bd5d7c3e05e15f973840378c6 (patch)
treed4fa5a86da7cb04ff946f40d1c07370bd875fc55 /toys/usleep.c
parent9c1c5ecd688052c39574999a523fa95f022b69b8 (diff)
downloadtoybox-c96444da80b7db3bd5d7c3e05e15f973840378c6.tar.gz
Adding usleep
Diffstat (limited to 'toys/usleep.c')
-rw-r--r--toys/usleep.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/toys/usleep.c b/toys/usleep.c
new file mode 100644
index 00000000..6efc0c16
--- /dev/null
+++ b/toys/usleep.c
@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4:
+ *
+ * usleep.c - Wait for a number of microseconds.
+ *
+ * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
+ *
+ * No standard.
+
+USE_USLEEP(NEWTOY(usleep, "<1", TOYFLAG_BIN))
+
+config USLEEP
+ bool "usleep"
+ default y
+ help
+ usage: usleep MICROSECONDS
+
+ Pause for MICROSECONDS microseconds.
+
+*/
+
+#include "toys.h"
+
+void usleep_main(void)
+{
+ struct timespec tv;
+ long delay = atol(*toys.optargs);
+
+ tv.tv_sec = delay/1000000;
+ tv.tv_nsec = (delay%1000000) * 1000;
+ toys.exitval = !!nanosleep(&tv, NULL);
+
+}