From 59ca1c46970fa8df2d0fa4b8163a99ca418bd2cf Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sat, 9 Apr 2022 19:03:29 +0200
Subject: kernel/vfs: prevent the vfs functions from switching processes

---
 src/kernel/arch/i386/sysenter.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/kernel/arch/i386/sysenter.c')

diff --git a/src/kernel/arch/i386/sysenter.c b/src/kernel/arch/i386/sysenter.c
index cda4f15..5712ee3 100644
--- a/src/kernel/arch/i386/sysenter.c
+++ b/src/kernel/arch/i386/sysenter.c
@@ -23,7 +23,10 @@ _Noreturn void sysenter_stage2(void) {
 
 	val = _syscall(regs->eax, regs->ebx,
 	               regs->esi, regs->edi, (uintptr_t)regs->ebp);
-	regs_savereturn(&process_current->regs, val);
-
-	process_switch(process_current); // TODO process_resume
+	if (process_current->state == PS_RUNNING) { // TODO move to _syscall()
+		regs_savereturn(&process_current->regs, val);
+		process_switch(process_current); // TODO process_resume
+	} else {
+		process_switch_any();
+	}
 }
-- 
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