From: Matthias Kruk <m@m10k.eu>
Date: Mon, 25 Nov 2019 05:39:53 +0000 (+0900)
Subject: Add process_task_foreach() function
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=b0432b85097a460eff0dea644991d69680c0daf3;p=corax

Add process_task_foreach() function
---

diff --git a/kernel/core/process.c b/kernel/core/process.c
index cef5ba9..784a7a5 100644
--- a/kernel/core/process.c
+++ b/kernel/core/process.c
@@ -963,3 +963,34 @@ int process_get_pagedir(process_t *proc, pg_dir_t **pd)
 
 	return(ret_val);
 }
+
+int process_task_foreach(process_t *proc, int (*func)(process_t*, task_t*, void*), void *data)
+{
+	int ret_val;
+
+	ret_val = -EINVAL;
+
+	if(proc && func) {
+		int i;
+
+		/* FIXME: Lock process */
+
+		for(i = 0; i < CONFIG_PROC_MAXTASKS; i++) {
+			task_t *t = proc->p_tasks[i];
+
+			if(t) {
+				task_lock(t);
+				ret_val = func(proc, t, data);
+				task_unlock(t);
+
+				if(ret_val < 0) {
+					break;
+				}
+			}
+		}
+
+		/* FIXME: Unlock process */
+	}
+
+	return(ret_val);
+}
diff --git a/kernel/include/process.h b/kernel/include/process.h
index 2a3671a..b3a8a96 100644
--- a/kernel/include/process.h
+++ b/kernel/include/process.h
@@ -52,6 +52,7 @@ int           process_detach(process_t*);
 int           process_suspend(process_t*);
 int           process_setuid(process_t*, uid_t);
 int           process_setgid(process_t*, gid_t);
+int           process_task_foreach(process_t*, int(*)(process_t*, task_t*, void*), void*);
 
 int           process_set_pagedir(process_t*, pg_dir_t*);
 int           process_get_pagedir(process_t*, pg_dir_t**);