添加rtthread相关代码

2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
--- a/riscv/rtthread/components/lwp/lwp_pid.h
+++ b/riscv/rtthread/components/lwp/lwp_pid.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-02-23     Jesven         first version.
+ */
+
+#ifndef LWP_PID_H__
+#define LWP_PID_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_INIT_USPACE  0x0002  /* do user space initialization */
+#define LWP_CREATE_FLAG_NOTRACE_EXEC 0x0004  /* not trace if execve() after fork() */
+
+struct rt_lwp;
+
+struct lwp_avl_struct *lwp_get_pid_ary(void);
+int lwp_pid_init(void);
+void lwp_pid_put(struct rt_lwp *lwp);
+void lwp_pid_lock_take(void);
+void lwp_pid_lock_release(void);
+
+/**
+ * @brief Create a new lwp object
+ *        This will initialize the member in the object and register to system.
+ *        Besides, a new pid is allocate with lwp
+ *
+ * @param flags control the property of the lwp object. Can be ORed with:
+ *        LWP_CREATE_FLAG_NONE: raw lwp object
+ *        LWP_CREATE_FLAG_ALLOC_PID: lwp object with specified pid
+ *
+ * @return struct rt_lwp* object
+ */
+struct rt_lwp* lwp_create(rt_base_t flags);
+
+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);
+
+pid_t lwp_name2pid(const char* name);
+char* lwp_pid2name(int32_t pid);
+
+int lwp_getpid(void);
+
+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);
+
+void lwp_user_object_lock_init(struct rt_lwp *lwp);
+void lwp_user_object_lock_destroy(struct rt_lwp *lwp);
+void lwp_user_object_lock(struct rt_lwp *lwp);
+void lwp_user_object_unlock(struct rt_lwp *lwp);
+int lwp_user_object_add(struct rt_lwp *lwp, rt_object_t object);
+rt_err_t lwp_user_object_delete(struct rt_lwp *lwp, rt_object_t object);
+void lwp_user_object_clear(struct rt_lwp *lwp);
+void lwp_user_object_dup(struct rt_lwp *dst_lwp, struct rt_lwp *src_lwp);
+
+rt_inline struct rt_lwp *lwp_from_pid_and_lock(pid_t pid)
+{
+    struct rt_lwp *lwp;
+    lwp_pid_lock_take();
+    lwp = lwp_from_pid_locked(pid);
+    if (lwp)
+        lwp_ref_inc(lwp);
+    lwp_pid_lock_release();
+
+    return lwp;
+}
+
+rt_inline void lwp_from_pid_release_lock(struct rt_lwp *lwp)
+{
+    if (lwp)
+        lwp_ref_dec(lwp);
+}
+
+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
+}
+#endif
+
+#endif