Changeset 1165a419 in mainline

Timestamp:

2017-05-31T09:37:04Z (8 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

78188e5

Parents:

316795c

Message:

libposix: add sleep() function (needed by GCC)

Location:

uspace/lib/posix

Files:

• include/posix/unistd.h (modified) (1 diff)
• source/unistd.c (modified) (2 diffs)

uspace/lib/posix/include/posix/unistd.h

@@ -57 +57 @@
 /* Environment */
 extern char **__POSIX_DEF__(environ);
+
+/* Sleeping */
+extern unsigned int __POSIX_DEF__(sleep)(unsigned int);
 
 /* Login Information */

uspace/lib/posix/source/unistd.c

@@ -45 +45 @@
 
 #include "libc/task.h"
+#include "libc/thread.h"
 #include "libc/stats.h"
 #include "libc/malloc.h"
@@ -56 +57 @@
 char **posix_environ = NULL;
 char *posix_optarg;
+
+/**
+ * Sleep for the specified number of seconds.
+ *
+ * Note that POSIX allows this call to be interrupted and then the return
+ * value represents remaining seconds for the sleep. HelenOS does not offer
+ * such functionality and thus always the whole sleep is taken.
+ *
+ * @param seconds Number of seconds to sleep.
+ * @return Always 0 on HelenOS.
+ */
+unsigned int posix_sleep(unsigned int seconds)
+{
+        return thread_sleep(seconds);
+}
 
 /**