From dc0c9dbf405095a6483705b153f4c85c64499d4e Mon Sep 17 00:00:00 2001
From: Scott Gasch <scott@gasch.org>
Date: Sat, 22 Aug 2026 15:27:59 -0700
Subject: Bug fixes.

---
 src/unix.c | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

(limited to 'src/unix.c')

diff --git a/src/unix.c b/src/unix.c
index 29ca6c7..99216d0 100644
--- a/src/unix.c
+++ b/src/unix.c
@@ -424,10 +424,11 @@ Return value:
 
 **/
 {
-    __asm__("rdtsc;"
-        :
-        :
-        : "%eax", "%edx");
+    ULONG uLow, uHigh;
+
+    __asm__ volatile("rdtsc"
+        : "=a" (uLow), "=d" (uHigh));
+    return(((UINT64)uHigh << 32) | (UINT64)uLow);
 }
 
 
@@ -1068,25 +1069,30 @@ SystemCreateSemaphore(ULONG uValue)
     return(u);
 }
 
-FLAG 
+FLAG
 SystemDeleteSemaphore(ULONG u) {
     union semun {
             int val;
             struct semid_ds *buf;
             unsigned short  *array;
     } value;
+    FLAG fRet = TRUE;
 
+    memset(&value, 0, sizeof(value));
     LOCK_SYSTEM;
-    if ((u < MAX_SEM) && (g_rgSemaphores[u] >= 0)) 
+    if ((u < MAX_SEM) && (g_rgSemaphores[u] >= 0))
     {
-        if (semctl(g_rgSemaphores[u], 0, IPC_RMID, value) < 0) 
+        if (semctl(g_rgSemaphores[u], 0, IPC_RMID, value) < 0)
         {
-            return(FALSE);
+            fRet = FALSE;
+        }
+        else
+        {
+            g_rgSemaphores[u] = -1;
         }
-        g_rgSemaphores[u] = -1;
     }
     UNLOCK_SYSTEM;
-    return(TRUE);
+    return(fRet);
 }
 
 void
-- 
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