Add gettid() for proper thread affinity on Linux

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

diff --git a/os/os-linux.h b/os/os-linux.h
index 34a7cc53fb33d680e6750bd16c20e127ed51df89..a36552ba68ba93caf6ca58e5fc9761fc53c0b88d 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -41,6 +41,7 @@
 #define FIO_HAVE_TRIM
 #define FIO_HAVE_BINJECT
 #define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_HAVE_TRIM
 #define FIO_HAVE_BINJECT
 #define FIO_HAVE_CLOCK_MONOTONIC

+#define FIO_HAVE_GETTID

 
 /*
  * Can only enable this for newer glibcs, or the header and defines are
 
 /*
  * Can only enable this for newer glibcs, or the header and defines are


@@ -109,6 +110,11 @@ static inline int ioprio_set(int which, int who, int ioprio)
        return syscall(__NR_ioprio_set, which, who, ioprio);
 }
 
        return syscall(__NR_ioprio_set, which, who, ioprio);
 }
 

+static inline int gettid(void)
+{
+       return syscall(__NR_gettid);
+}
+

 /*
  * Just check for SPLICE_F_MOVE, if that isn't there, assume the others
  * aren't either.
 /*
  * Just check for SPLICE_F_MOVE, if that isn't there, assume the others
  * aren't either.