From 9508f1e7776f2584a6a92428735bdbf02c15b660 Mon Sep 17 00:00:00 2001
From: R4ken <rakubgd1@gmail.com>
Date: Tue, 12 Aug 2025 10:57:51 +0200
Subject: [PATCH] syscalls: implement getThreadCpuTime syscall

Implement syscall based on declared getCpuTime function

JIRA: RTOS-1088
---
 include/syscalls.h | 5 ++++-
 proc/threads.c     | 6 ++++++
 proc/threads.h     | 3 +++
 syscalls.c         | 6 ++++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/include/syscalls.h b/include/syscalls.h
index 5b45b7556..a9909bb0e 100644
--- a/include/syscalls.h
+++ b/include/syscalls.h
@@ -126,7 +126,10 @@
 	ID(sys_mprotect) \
 	\
 	ID(sys_statvfs) \
-	ID(sys_uname)
+	ID(sys_uname) \
+	\
+	ID(getThreadCpuTime)
+
 /* parasoft-end-suppress MISRAC2012-RULE_20_7-a */
 /* clang-format on */
 
diff --git a/proc/threads.c b/proc/threads.c
index 20ee8df5d..c609d088a 100644
--- a/proc/threads.c
+++ b/proc/threads.c
@@ -2222,6 +2222,12 @@ int proc_threadsOther(thread_t *t)
 }
 
 
+time_t threads_getCpuTime(thread_t *t)
+{
+	return t->cpuTime;
+}
+
+
 int _threads_init(vm_map_t *kmap, vm_object_t *kernel)
 {
 	unsigned int i;
diff --git a/proc/threads.h b/proc/threads.h
index 60e89e077..e18e85567 100644
--- a/proc/threads.h
+++ b/proc/threads.h
@@ -177,6 +177,9 @@ time_t proc_uptime(void);
 void proc_gettime(time_t *raw, time_t *offs);
 
 
+extern time_t threads_getCpuTime(thread_t *t);
+
+
 int proc_settime(time_t offs);
 
 
diff --git a/syscalls.c b/syscalls.c
index 9516efc2d..ed9c53e58 100644
--- a/syscalls.c
+++ b/syscalls.c
@@ -372,6 +372,12 @@ int syscalls_priority(u8 *ustack)
 }
 
 
+time_t syscalls_getThreadCpuTime(void *ustack)
+{
+	return threads_getCpuTime(proc_current());
+}
+
+
 /*
  * System state info
  */