diff options
Diffstat (limited to 'libc/sysdeps/linux/common/getpriority.c')
-rw-r--r-- | libc/sysdeps/linux/common/getpriority.c | 28 |
1 files changed, 28 insertions, 0 deletions
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 <andersen@codpoet.org> + * + * GNU Library General Public License (LGPL) version 2 or later. + */ + +#include "syscalls.h" +#include <sys/resource.h> + +#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; +} |