servicemp3.cpp: more simple/flexible streaming detection

[enigma2.git] / lib / base / ioprio.cpp

diff --git a/lib/base/ioprio.cpp b/lib/base/ioprio.cpp
index 63e6ff48eec08c2bdb3a9e5fcc8b42156e87df1c..3117b5e61b8076b45a55d688e6021185f3b5ce87 100644 (file)
--- a/lib/base/ioprio.cpp
+++ b/lib/base/ioprio.cpp
@@ -12,28 +12,46 @@
 extern "C" int sys_ioprio_set(int, int, int);
 extern "C" int sys_ioprio_get(int, int);
 
-#if defined(__i386__)
-#define __NR_ioprio_set                289
-#define __NR_ioprio_get                290
-#elif defined(__ppc__) || defined(__powerpc__)
-#define __NR_ioprio_set                273
-#define __NR_ioprio_get                274
-#elif defined(__x86_64__)
-#define __NR_ioprio_set                251
-#define __NR_ioprio_get                252
-#elif defined(__ia64__)
-#define __NR_ioprio_set                1274
-#define __NR_ioprio_get                1275
-#elif defined(__mips__)
-#define __NR_ioprio_set                4284
-#define __NR_ioprio_get                4285
-#else
-#error "Unsupported arch"
+#ifndef __NR_ioprio_set
+       #if defined(__i386__)
+               #define __NR_ioprio_set         289
+               #define __NR_ioprio_get         290
+       #elif defined(__ppc__) || defined(__powerpc__)
+               #define __NR_ioprio_set         273
+               #define __NR_ioprio_get         274
+       #elif defined(__x86_64__)
+               #define __NR_ioprio_set         251
+               #define __NR_ioprio_get         252
+       #elif defined(__ia64__)
+               #define __NR_ioprio_set         1274
+               #define __NR_ioprio_get         1275
+       #elif defined(__mips__)
+               #define __NR_ioprio_set         4284
+               #define __NR_ioprio_get         4285
+       #else
+               #error "Unsupported arch"
+       #endif
 #endif
 
+#if defined(_syscall3) && defined(_syscall2)
+
 _syscall3(int, ioprio_set, int, which, int, who, int, ioprio);
 _syscall2(int, ioprio_get, int, which, int, who);
 
+#else
+
+static inline int ioprio_set(int which, int who, int ioprio)
+{
+       return syscall(__NR_ioprio_set, which, who, ioprio);
+}
+
+static inline int ioprio_get(int which, int who)
+{
+       return syscall(__NR_ioprio_get, which, who);
+}
+
+#endif
+
 #define IOPRIO_CLASS_SHIFT     13
 
 enum {