Changes in uspace/lib/posix/unistd.c [9350bfdd:4c8f5e7] in mainline

File:

• uspace/lib/posix/unistd.c (modified) (6 diffs)

uspace/lib/posix/unistd.c

@@ -88 +88 @@
 int posix_isatty(int fd)
 {
+        // TODO
         /* Always returns false, because there is no easy way to find
          * out under HelenOS. */
@@ -186 +187 @@
  * Close a file.
  *
- * @param fildes
+ * @param fildes File descriptor of the opened file.
  * @return 0 on success, -1 on error.
  */
@@ -223 +224 @@
  * Requests outstanding data to be written to the underlying storage device.
  *
- * @param fildes
+ * @param fildes File descriptor of the opened file.
+ * @return Zero on success, -1 otherwise.
  */
 int posix_fsync(int fildes)
@@ -230 +232 @@
 }
 
+/**
+ * Truncate a file to a specified length.
+ *
+ * @param fildes File descriptor of the opened file.
+ * @param length New length of the file.
+ * @return Zero on success, -1 otherwise.
+ */
 int posix_ftruncate(int fildes, posix_off_t length)
 {
@@ -257 +266 @@
 }
 
+/**
+ * Duplicate an open file descriptor.
+ *
+ * @param fildes File descriptor to be duplicated.
+ * @return On success, new file descriptor for the same file, otherwise -1.
+ */
 int posix_dup(int fildes)
 {
@@ -262 +277 @@
 }
 
+/**
+ * Duplicate an open file descriptor.
+ * 
+ * @param fildes File descriptor to be duplicated.
+ * @param fildes2 File descriptor to be paired with the same file description
+ *     as is paired fildes.
+ * @return fildes2 on success, -1 otherwise.
+ */
 int posix_dup2(int fildes, int fildes2)
 {