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trivial packing for on-stack structs

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* 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
This commit is contained in:
normal 2014-09-15 07:31:38 +00:00
parent 667d502adb
commit d198d64e04
3 changed files with 9 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Mon Sep 15 16:21:10 2014 Eric Wong <e@80x24.org>
* 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 <nweiz@google.com>
* ext/pathname/lib/pathname.rb (SAME_PATHS):

4
io.c
View file

@ -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

2
process.c
View file

@ -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