Make return value type of fio_getaffinity() consistent

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

diff --git a/os/os-dragonfly.h b/os/os-dragonfly.h
index 187330bfd39f49a09b514be4c0df800623ba6974..d4a9579958ffcd16856b495e9fc79766f2feef69 100644 (file)
--- a/os/os-dragonfly.h
+++ b/os/os-dragonfly.h
@@ -70,8 +70,7 @@ 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
@@ -145,12 +144,15 @@ 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 */