win32-os.c: Split up handle_exception

[sbcl.git] / src / runtime / os-common.c

diff --git a/src/runtime/os-common.c b/src/runtime/os-common.c
index 017dc4f..fa845bf 100644 (file)
--- a/src/runtime/os-common.c
+++ b/src/runtime/os-common.c
@@ -50,7 +50,7 @@ os_zero(os_vm_address_t addr, os_vm_size_t length)
         addr = os_validate(block_start, block_size);
 
         if (addr == NULL || addr != block_start)
-            lose("os_zero: block moved! 0x%08x ==> 0x%08x",
+            lose("os_zero: block moved! 0x%08x ==> 0x%08x\n",
                  block_start,
                  addr);
     }
@@ -62,53 +62,52 @@ os_allocate(os_vm_size_t len)
     return os_validate((os_vm_address_t)NULL, len);
 }
 
-os_vm_address_t
-os_allocate_at(os_vm_address_t addr, os_vm_size_t len)
+void
+os_deallocate(os_vm_address_t addr, os_vm_size_t len)
+{
+    os_invalidate(addr,len);
+}
+
+int
+os_get_errno(void)
 {
-    return os_validate(addr, len);
+    return errno;
 }
 
+
+#if defined(LISP_FEATURE_SB_THREAD) && !defined(CANNOT_USE_POSIX_SEM_T)
+
 void
-os_deallocate(os_vm_address_t addr, os_vm_size_t len)
+os_sem_init(os_sem_t *sem, unsigned int value)
 {
-    os_invalidate(addr,len);
+    if (-1==sem_init(sem, 0, value))
+        lose("os_sem_init(%p, %u): %s", sem, value, strerror(errno));
+    FSHOW((stderr, "os_sem_init(%p, %u)\n", sem, value));
 }
 
-/* (This function once tried to grow the chunk by asking os_validate
- * whether the space was available, but that really only works under
- * Mach.) */
-os_vm_address_t
-os_reallocate(os_vm_address_t addr, os_vm_size_t old_len, os_vm_size_t len)
+void
+os_sem_wait(os_sem_t *sem, char *what)
 {
-    addr=os_trunc_to_page(addr);
-    len=os_round_up_size_to_page(len);
-    old_len=os_round_up_size_to_page(old_len);
-
-    if (addr==NULL)
-        return os_allocate(len);
-    else{
-        long len_diff=len-old_len;
-
-        if (len_diff<0)
-            os_invalidate(addr+len,-len_diff);
-        else{
-            if (len_diff!=0) {
-              os_vm_address_t new=os_allocate(len);
-
-              if(new!=NULL){
-                bcopy(addr,new,old_len);
-                os_invalidate(addr,old_len);
-                }
-
-              addr=new;
-            }
-        }
-        return addr;
-    }
+    FSHOW((stderr, "%s: os_sem_wait(%p) ...\n", what, sem));
+    while (-1 == sem_wait(sem))
+        if (EINTR!=errno)
+            lose("%s: os_sem_wait(%p): %s", what, sem, strerror(errno));
+    FSHOW((stderr, "%s: os_sem_wait(%p) => ok\n", what, sem));
 }
 
-int
-os_get_errno(void)
+void
+os_sem_post(sem_t *sem, char *what)
 {
-    return errno;
+    if (-1 == sem_post(sem))
+        lose("%s: os_sem_post(%p): %s", what, sem, strerror(errno));
+    FSHOW((stderr, "%s: os_sem_post(%p)\n", what, sem));
 }
+
+void
+os_sem_destroy(os_sem_t *sem)
+{
+    if (-1==sem_destroy(sem))
+        lose("os_sem_destroy(%p): %s", sem, strerror(errno));
+}
+
+#endif