From d198d64e0464c141f70c49880bf511ac3dcd1162 Mon Sep 17 00:00:00 2001 From: normal Date: Mon, 15 Sep 2014 07:31:38 +0000 Subject: trivial packing for on-stack structs * io.c (struct io_advise_struct): 32 => 24 bytes on 64-bit * io.c (struct io_internal_writev_struct): 24 => 16 bytes on 64-bit * process.c (struct waitpid_arg): ditto Slightly reduce stack pressure. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 6 ++++++ io.c | 4 ++-- process.c | 2 +- 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 0959d20a2c..e52a75bb4b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +Mon Sep 15 16:21:10 2014 Eric Wong + + * io.c (struct io_advise_struct): 32 => 24 bytes on 64-bit + * io.c (struct io_internal_writev_struct): 24 => 16 bytes on 64-bit + * process.c (struct waitpid_arg): ditto + Mon Sep 15 10:29:25 2014 Natalie Weizenbaum * ext/pathname/lib/pathname.rb (SAME_PATHS): diff --git a/io.c b/io.c index 7301cbd6d3..5909a0be50 100644 --- a/io.c +++ b/io.c @@ -941,8 +941,8 @@ struct io_internal_write_struct { #ifdef HAVE_WRITEV struct io_internal_writev_struct { int fd; - const struct iovec *iov; int iovcnt; + const struct iovec *iov; }; #endif @@ -8462,9 +8462,9 @@ static VALUE sym_normal, sym_sequential, sym_random, #ifdef HAVE_POSIX_FADVISE struct io_advise_struct { int fd; + int advice; off_t offset; off_t len; - int advice; }; static VALUE diff --git a/process.c b/process.c index c4965eca7e..1ea637a412 100644 --- a/process.c +++ b/process.c @@ -740,8 +740,8 @@ waitall_each(rb_pid_t pid, int status, VALUE ary) #else struct waitpid_arg { rb_pid_t pid; - int *st; int flags; + int *st; }; #endif -- cgit v1.2.3