X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fsys%2Fsyscall.h;h=c86135a3a12d364ea941cdc3c5240e0a4970742b;hp=a8fec678bfee4a93db4217e8a1f7c21381b078b9;hb=685e40bb09f5f24a2af54ea09c97328808f76990;hpb=462dbfc20788a6c9dd1ea4bb1cef086aa189615a diff --git a/include/sys/syscall.h b/include/sys/syscall.h index a8fec678..c86135a3 100644 --- a/include/sys/syscall.h +++ b/include/sys/syscall.h @@ -4,11 +4,27 @@ extern "C" { #endif +long __syscall_ret(long); +long __syscall(long, ...); +long syscall(long, ...); #include -long syscall(long, ...); +#define __syscall1(n,a) __syscall1(n,(long)(a)) +#define __syscall2(n,a,b) __syscall2(n,(long)(a),(long)(b)) +#define __syscall3(n,a,b,c) __syscall3(n,(long)(a),(long)(b),(long)(c)) +#define __syscall4(n,a,b,c,d) __syscall4(n,(long)(a),(long)(b),(long)(c),(long)(d)) +#define __syscall5(n,a,b,c,d,e) __syscall5(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e)) +#define __syscall6(n,a,b,c,d,e,f) __syscall6(n,(long)(a),(long)(b),(long)(c),(long)(d),(long)(e),(long)(f)) + +#define __SYSCALL_NARGS_X(a,b,c,d,e,f,g,n,...) n +#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_X(__VA_ARGS__,6,5,4,3,2,1,0) +#define __SYSCALL_CONCAT_X(a,b) a##b +#define __SYSCALL_CONCAT(a,b) __SYSCALL_CONCAT_X(a,b) +#define __SYSCALL_DISP(b,...) __SYSCALL_CONCAT(b,__SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__) +#define __syscall(...) __SYSCALL_DISP(__syscall,__VA_ARGS__) +#define syscall(...) __syscall_ret(__syscall(__VA_ARGS__)) #ifdef __cplusplus }