X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-dragonfly.h;h=8d15833562785ba4db31f1d31bd0e45c30587550;hp=187330bfd39f49a09b514be4c0df800623ba6974;hb=dad0ea54b595ad656aca4087014afb438c7d44f0;hpb=4717fc5db6601707d6e4fe7ea1e383f1847f5620

diff --git a/os/os-dragonfly.h b/os/os-dragonfly.h
index 187330bf..8d158335 100644
--- a/os/os-dragonfly.h
+++ b/os/os-dragonfly.h
@@ -5,6 +5,7 @@
 
 #include <errno.h>
 #include <unistd.h>
+#include <sys/endian.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
 #include <sys/statvfs.h>
@@ -24,6 +25,7 @@
 #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
 
@@ -70,8 +72,7 @@ typedef cpumask_t os_cpu_mask_t;
 
 /*
  * Define USCHED_GET_CPUMASK as the macro didn't exist until release 4.5.
- * usched_set(2) returns EINVAL if the kernel doesn't support it, though
- * fio_getaffinity() returns void.
+ * usched_set(2) returns EINVAL if the kernel doesn't support it.
  *
  * Also note usched_set(2) works only for the current thread regardless of
  * the command type. It doesn't work against another thread regardless of
@@ -82,6 +83,9 @@ typedef cpumask_t os_cpu_mask_t;
 #define USCHED_GET_CPUMASK	5
 #endif
 
+/* No CPU_COUNT(), but use the default function defined in os/os.h */
+#define fio_cpu_count(mask)             CPU_COUNT((mask))
+
 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
 {
 	CPUMASK_ASSZERO(*mask);
@@ -111,17 +115,6 @@ static inline int fio_cpu_isset(os_cpu_mask_t *mask, int cpu)
 	return 0;
 }
 
-static inline int fio_cpu_count(os_cpu_mask_t *mask)
-{
-	int i, n = 0;
-
-	for (i = 0; i < FIO_MAX_CPUS; i++)
-		if (CPUMASK_TESTBIT(*mask, i))
-			n++;
-
-	return n;
-}
-
 static inline int fio_setaffinity(int pid, os_cpu_mask_t mask)
 {
 	int i, firstcall = 1;
@@ -145,12 +138,15 @@ static inline int fio_setaffinity(int pid, os_cpu_mask_t mask)
 	return 0;
 }
 
-static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
+static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask)
 {
 	/* 0 for the current thread, see BUGS in usched_set(2) */
 	pid = 0;
 
-	usched_set(pid, USCHED_GET_CPUMASK, mask, sizeof(*mask));
+	if (usched_set(pid, USCHED_GET_CPUMASK, mask, sizeof(*mask)))
+		return -1;
+
+	return 0;
 }
 
 /* fio code is Linux based, so rename macros to Linux style */
@@ -189,7 +185,7 @@ static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
 
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
-	return EINVAL;
+	return ENOTSUP;
 }
 
 static inline unsigned long long os_phys_mem(void)
@@ -238,4 +234,15 @@ 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