Changeset adb49f58 in mainline for uspace/lib/libc

Timestamp:

2009-07-06T20:16:15Z (16 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

95bc57c

Parents:

0315679

Message:

Allow to determine whether a task returned value before terminatign.

Location:

uspace/lib/libc

Files:

• generic/task.c (modified) (1 diff)
• include/task.h (modified) (1 diff)

uspace/lib/libc/generic/task.c

@@ -149 +149 @@
 }
 
-int task_wait(task_id_t id, int *retval)
+int task_wait(task_id_t id, task_exit_t *texit, int *retval)
 {
-        ipcarg_t rv;
+        ipcarg_t te, rv;
         int rc;
 
-        rc = (int) async_req_2_1(PHONE_NS, NS_TASK_WAIT, LOWER32(id),
-            UPPER32(id), &rv);
+        rc = (int) async_req_2_2(PHONE_NS, NS_TASK_WAIT, LOWER32(id),
+            UPPER32(id), &te, &rv);
+        *texit = te;
         *retval = rv;
 

uspace/lib/libc/include/task.h

@@ -40 +40 @@
 typedef uint64_t task_id_t;
 
+typedef enum {
+        TASK_EXIT_NORMAL,
+        TASK_EXIT_UNEXPECTED
+} task_exit_t;
+
 extern task_id_t task_get_id(void);
 extern int task_set_name(const char *name);
 extern task_id_t task_spawn(const char *path, char *const argv[]);
-extern int task_wait(task_id_t id, int *retval);
+extern int task_wait(task_id_t id, task_exit_t *texit, int *retval);
 extern int task_retval(int val);