1 files changed, 31 insertions, 7 deletions
diff --git a/components/lwp/lwp_pid.h b/components/lwp/lwp_pid.h
index c9e8b945b7..5e170f652d 100644
--- a/components/lwp/lwp_pid.h
+++ b/components/lwp/lwp_pid.h
@@ -11,14 +11,14 @@
 #ifndef LWP_PID_H__
 #define LWP_PID_H__
 
-#include "lwp.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#define LWP_CREATE_FLAG_NONE        0x0000
-#define LWP_CREATE_FLAG_ALLOC_PID   0x0001  /* allocate pid on lwp object create */
+#define LWP_CREATE_FLAG_NONE         0x0000
+#define LWP_CREATE_FLAG_ALLOC_PID    0x0001  /* allocate pid on lwp object create */
+#define LWP_CREATE_FLAG_INIT_USPACE  0x0002  /* do user space initialization */
+#define LWP_CREATE_FLAG_NOTRACE_EXEC 0x0004  /* not trace if execve() after fork() */
 
 struct rt_lwp;
 
@@ -46,6 +46,7 @@ void lwp_free(struct rt_lwp* lwp);
 int lwp_ref_inc(struct rt_lwp *lwp);
 int lwp_ref_dec(struct rt_lwp *lwp);
 
+struct rt_lwp* lwp_from_pid_raw_locked(pid_t pid);
 struct rt_lwp* lwp_from_pid_locked(pid_t pid);
 pid_t lwp_to_pid(struct rt_lwp* lwp);
 
@@ -54,7 +55,29 @@ char* lwp_pid2name(int32_t pid);
 
 int lwp_getpid(void);
 
-pid_t lwp_waitpid(const pid_t pid, int *status, int options);
+struct rusage
+{
+    struct timeval ru_utime;
+    struct timeval ru_stime;
+
+    long ru_maxrss;
+    long ru_ixrss;
+    long ru_idrss;
+    long ru_isrss;
+    long ru_minflt;
+    long ru_majflt;
+    long ru_nswap;
+    long ru_inblock;
+    long ru_oublock;
+    long ru_msgsnd;
+    long ru_msgrcv;
+    long ru_nsignals;
+    long ru_nvcsw;
+    long ru_nivcsw;
+    long reserved[16];
+};
+pid_t lwp_waitpid(const pid_t pid, int *status, int options, struct rusage *ru);
+rt_err_t lwp_waitpid_kick(struct rt_lwp *parent, struct rt_lwp *self_lwp);
 pid_t waitpid(pid_t pid, int *status, int options);
 long list_process(void);
 
@@ -85,8 +108,9 @@ rt_inline void lwp_from_pid_release_lock(struct rt_lwp *lwp)
         lwp_ref_dec(lwp);
 }
 
-void lwp_thread_exit(rt_thread_t thread, rt_base_t status);
-void lwp_exit(struct rt_lwp *lwp, rt_base_t status);
+typedef rt_base_t lwp_status_t;
+void lwp_thread_exit(rt_thread_t thread, int status);
+void lwp_exit(struct rt_lwp *lwp, lwp_status_t status);
 
 #ifdef __cplusplus
 }