Add runtime handlers for 97900ebf for FreeBSD/DragonFlyBSD

[fio.git] / os / os-dragonfly.h

diff --git a/os/os-dragonfly.h b/os/os-dragonfly.h
index c799817765675542b01e8bf93ff946c9a9a4729b..97452cad6b22b0c87bb6fa851250a6bd1c5b15df 100644 (file)
--- a/os/os-dragonfly.h
+++ b/os/os-dragonfly.h
@@ -24,6 +24,7 @@
 #define FIO_HAVE_GETTID
 #define FIO_HAVE_CPU_AFFINITY
 #define FIO_HAVE_IOPRIO
+#define FIO_HAVE_SHM_ATTACH_REMOVED
 
 #define OS_MAP_ANON            MAP_ANON
 
@@ -232,4 +233,15 @@ static inline int os_trim(int fd, unsigned long long start,
 #define FIO_MADV_FREE  MADV_FREE
 #endif
 
+static inline int shm_attach_to_open_removed(void)
+{
+       int x;
+       size_t len = sizeof(x);
+
+       if (sysctlbyname("kern.ipc.shm_allow_removed", &x, &len, NULL, 0) < 0)
+               return 0;
+
+       return x > 0 ? 1 : 0;
+}
+
 #endif