From 6334e558ab33ee1e54ed33740881a2798c5915c2 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 21 Jan 2004 23:27:48 +0000 Subject: Split up syscalls.c, since it had grown to be quite large and ugly. -Erik --- libc/sysdeps/linux/common/getpriority.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 libc/sysdeps/linux/common/getpriority.c (limited to 'libc/sysdeps/linux/common/getpriority.c') diff --git a/libc/sysdeps/linux/common/getpriority.c b/libc/sysdeps/linux/common/getpriority.c new file mode 100644 index 000000000..9f4338464 --- /dev/null +++ b/libc/sysdeps/linux/common/getpriority.c @@ -0,0 +1,28 @@ +/* vi: set sw=4 ts=4: */ +/* + * getpriority() for uClibc + * + * Copyright (C) 2000-2004 by Erik Andersen + * + * GNU Library General Public License (LGPL) version 2 or later. + */ + +#include "syscalls.h" +#include + +#define __NR___syscall_getpriority __NR_getpriority +static inline _syscall2(int, __syscall_getpriority, + __priority_which_t, which, id_t, who); + +/* The return value of __syscall_getpriority is biased by this value + * to avoid returning negative values. */ +#define PZERO 20 +int getpriority(enum __priority_which which, id_t who) +{ + int res; + + res = __syscall_getpriority(which, who); + if (res >= 0) + res = PZERO - res; + return res; +} -- cgit v1.2.3