diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | io.c | 12 |
2 files changed, 17 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Wed Jan 12 23:55:48 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * io.c (rb_f_syscall): Add 64bit Linux support. Some syscall takes + long type arguments. + Wed Jan 12 19:37:10 2011 Tanaka Akira <akr@fsij.org> * vm_dump.c: parenthesize macro arguments. @@ -7839,6 +7839,18 @@ rb_f_syscall(int argc, VALUE *argv) # else # error ---->> it is asserted that __syscall takes the first argument and returns retval in 64bit signed integer. <<---- # endif +#elif defined linux +# define SYSCALL syscall +# define NUM2SYSCALLID(x) NUM2LONG(x) +# define RETVAL2NUM(x) LONG2NUM(x) + /* + * Linux man page says, syscall(2) function prototype is below. + * + * int syscall(int number, ...); + * + * But, it's incorrect. Actual one takes and returned long. (see unistd.h) + */ + long num, retval = -1; #else # define SYSCALL syscall # define NUM2SYSCALLID(x) NUM2INT(x) |