diff options
| -rw-r--r-- | ext/io_splice/io_splice_ext.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/ext/io_splice/io_splice_ext.c b/ext/io_splice/io_splice_ext.c index 9531633..fdb3397 100644 --- a/ext/io_splice/io_splice_ext.c +++ b/ext/io_splice/io_splice_ext.c @@ -345,9 +345,15 @@ void Init_io_splice_ext(void) rb_define_const(mSplice, "F_MOVE", UINT2NUM(SPLICE_F_MOVE)); /* - * Do not block on I/O. This flag only affects the pipe(s) being - * spliced from/to and has no effect on the non-pipe descriptor - * (which requires non-blocking operation to be set explicitly). + * Do not block on pipe I/O. This flag only affects the pipe(s) + * being spliced from/to and has no effect on the non-pipe + * descriptor (which requires non-blocking operation to be set + * explicitly). + * + * The non-blocking flag (O_NONBLOCK) on the pipe descriptors + * themselves are ignored by this family of functions, and + * using this flag is the only way to get non-blocking operation + * out of them. */ rb_define_const(mSplice, "F_NONBLOCK", UINT2NUM(SPLICE_F_NONBLOCK)); |