diff --git a/src/core/libraries/kernel/thread_management.cpp b/src/core/libraries/kernel/thread_management.cpp
index b93f9ce5..04e655e1 100644
--- a/src/core/libraries/kernel/thread_management.cpp
+++ b/src/core/libraries/kernel/thread_management.cpp
@@ -1123,6 +1123,39 @@ int PS4_SYSV_ABI posix_pthread_cond_wait(ScePthreadCond* cond, ScePthreadMutex*
     }
     return result;
 }
+
+int PS4_SYSV_ABI posix_pthread_mutexattr_setprotocol(ScePthreadMutexattr* attr, u32 protocol) {
+    int result = scePthreadMutexattrSetprotocol(attr, protocol);
+    if (result < 0) {
+        UNREACHABLE();
+    }
+    return result;
+}
+
+int PS4_SYSV_ABI posix_pthread_mutex_trylock(ScePthreadMutex* mutex) {
+    int result = scePthreadMutexTrylock(mutex);
+    if (result < 0) {
+        UNREACHABLE();
+    }
+    return result;
+}
+
+int PS4_SYSV_ABI posix_pthread_condattr_init(ScePthreadCondattr* attr) {
+    int result = scePthreadCondattrInit(attr);
+    if (result < 0) {
+        UNREACHABLE();
+    }
+    return result;
+}
+
+int PS4_SYSV_ABI posix_pthread_condattr_destroy(ScePthreadCondattr* attr) {
+    int result = scePthreadCondattrDestroy(attr);
+    if (result < 0) {
+        UNREACHABLE();
+    }
+    return result;
+}
+
 /****
  * rwlock
  */
@@ -1307,6 +1340,7 @@ void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     // posix calls
     LIB_FUNCTION("ttHNfU+qDBU", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_mutex_init);
     LIB_FUNCTION("7H0iTOciTLo", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_mutex_lock);
+    LIB_FUNCTION("K-jXhbt2gn4", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_mutex_trylock);
     LIB_FUNCTION("2Z+PpY6CaJg", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_mutex_unlock);
     LIB_FUNCTION("mkx2fVhNMsg", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_cond_broadcast);
     LIB_FUNCTION("dQHWEsJtoE4", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_mutexattr_init);
@@ -1320,6 +1354,11 @@ void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("2Q0z6rnBrTE", "libScePosix", 1, "libkernel", 1, 1,
                  posix_pthread_attr_setstacksize);
     LIB_FUNCTION("Op8TBGY5KHg", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_cond_wait);
+    LIB_FUNCTION("mKoTx03HRWA", "libScePosix", 1, "libkernel", 1, 1, posix_pthread_condattr_init);
+    LIB_FUNCTION("dJcuQVn6-Iw", "libScePosix", 1, "libkernel", 1, 1,
+                 posix_pthread_condattr_destroy);
+    LIB_FUNCTION("5txKfcMUAok", "libScePosix", 1, "libkernel", 1, 1,
+                 posix_pthread_mutexattr_setprotocol);
 
     LIB_FUNCTION("QBi7HCK03hw", "libkernel", 1, "libkernel", 1, 1, sceKernelClockGettime);
     LIB_FUNCTION("QvsZxomvUHs", "libkernel", 1, "libkernel", 1, 1, sceKernelNanosleep);
@@ -1334,6 +1373,7 @@ void pthreadSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("mkx2fVhNMsg", "libkernel", 1, "libkernel", 1, 1, posix_pthread_cond_broadcast);
 
     LIB_FUNCTION("n88vx3C5nW8", "libkernel", 1, "libkernel", 1, 1, ps4_gettimeofday);
+    LIB_FUNCTION("n88vx3C5nW8", "libScePosix", 1, "libkernel", 1, 1, ps4_gettimeofday);
 }
 
 } // namespace Libraries::Kernel