diff options
Diffstat (limited to 'src/syscall-generic.h')
-rw-r--r-- | src/syscall-generic.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/syscall-generic.h b/src/syscall-generic.h new file mode 100644 index 0000000..24d7c7c --- /dev/null +++ b/src/syscall-generic.h @@ -0,0 +1,29 @@ +#include <errno.h> +#include <unistd.h> +#include <sys/syscall.h> + +#define _body_io_syscall(sname, args...) \ +{ \ + int ret = syscall(__NR_##sname, ## args); \ + return ret < 0 ? -errno : ret; \ +} + +#define io_syscall1(type,fname,sname,type1,arg1) \ +type fname(type1 arg1) \ +_body_io_syscall(sname, (long)arg1) + +#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \ +type fname(type1 arg1,type2 arg2) \ +_body_io_syscall(sname, (long)arg1, (long)arg2) + +#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \ +type fname(type1 arg1,type2 arg2,type3 arg3) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3) + +#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4) + +#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, type5,arg5) \ +type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ +_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4, (long)arg5) |