diff options
author | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-01-12 14:11:06 +0000 |
---|---|---|
committer | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-01-12 14:11:06 +0000 |
commit | caab5dcee77d8278fdf578334b6d4e7f8595052e (patch) | |
tree | fa86d9e3556f17367d44c1dd6d99a1b27ae9a068 /io.c | |
parent | 38f129397bdd566a381395b3ba56062d7f762765 (diff) | |
download | ruby-caab5dcee77d8278fdf578334b6d4e7f8595052e.tar.gz |
* io.c (rb_f_syscall): Add 64bit Linux support. Some syscall takes
long type arguments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30525 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -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) |