aboutsummaryrefslogtreecommitdiff
path: root/arch/x86_64/src/shared/mutex.cpp
diff options
context:
space:
mode:
authorMatteo Gmür <matteo.gmuer1@ost.ch>2025-02-18 10:59:05 +0100
committerMatteo Gmür <matteo.gmuer1@ost.ch>2025-02-18 10:59:05 +0100
commitcd42c21f2460751428b3e1b4ae07ea0b924967bc (patch)
treee3e410f399c3eead444f2a242a19448571fd979a /arch/x86_64/src/shared/mutex.cpp
parent47879f42d70755fcf5473ffb82798b515cb2e21b (diff)
parent3d488e53a1d15fcc01a7b1d23b9585ca7a724864 (diff)
downloadteachos-cd42c21f2460751428b3e1b4ae07ea0b924967bc.tar.xz
teachos-cd42c21f2460751428b3e1b4ae07ea0b924967bc.zip
Merge branch 'feat_memory_manager' into 'develop_sa'
Finish inital draft of Memory Manager See merge request teachos/kernel!3
Diffstat (limited to 'arch/x86_64/src/shared/mutex.cpp')
-rw-r--r--arch/x86_64/src/shared/mutex.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86_64/src/shared/mutex.cpp b/arch/x86_64/src/shared/mutex.cpp
new file mode 100644
index 0000000..6598255
--- /dev/null
+++ b/arch/x86_64/src/shared/mutex.cpp
@@ -0,0 +1,16 @@
+#include "arch/shared/mutex.hpp"
+
+namespace teachos::arch::shared
+{
+ auto mutex::lock() -> void
+ {
+ while (!try_lock())
+ {
+ // Nothing to do
+ }
+ }
+
+ auto mutex::try_lock() -> bool { return !locked.exchange(true, std::memory_order_acquire); }
+
+ auto mutex::unlock() -> void { locked.store(false, std::memory_order_release); }
+} // namespace teachos::arch::shared