Changeset 1cc4a09 in mainline for uspace/lib/posix/sys/wait.c

Timestamp:

2011-08-14T00:19:31Z (14 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

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

Children:

b705ecc

Parents:

6d100fd (diff), e0e922d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge libposix changes.

File:

• uspace/lib/posix/sys/wait.c (modified) (2 diffs)

uspace/lib/posix/sys/wait.c

@@ -67 +67 @@
 
 /**
+ * Wait for any child process to stop or terminate.
  * 
- * @param stat_ptr
- * @return
+ * @param stat_ptr Location of the final status code of the child process.
+ * @return ID of the child process for which status is reported,
+ *     -1 on signal interrupt, (pid_t)-1 otherwise.
  */
 posix_pid_t posix_wait(int *stat_ptr)
@@ -79 +81 @@
 
 /**
+ * Wait for a child process to stop or terminate.
  * 
- * @param pid
- * @param stat_ptr
- * @param options
- * @return
+ * @param pid What child process shall the caller wait for. See POSIX manual
+ *     for details.
+ * @param stat_ptr Location of the final status code of the child process.
+ * @param options Constraints of the waiting. See POSIX manual for details.
+ * @return ID of the child process for which status is reported,
+ *     -1 on signal interrupt, 0 if non-blocking wait is requested but there is
+ *     no child process whose status can be reported, (pid_t)-1 otherwise.
  */
 posix_pid_t posix_waitpid(posix_pid_t pid, int *stat_ptr, int options)