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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-09-16 06:15:55 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-09-16 06:15:55 +0000
commit2fc5210f31ad23463d7b0a0e36bcfbeee7b41b3e (patch)
treef95643295c10e0d9a6d8bec6e8c147cdbd83be4a /thread.c
parent921c47764677d19d42cb647fd0c32e9c7440b5dc (diff)
* internal.h (WARN_UNUSED_RESULT): moved to configure.in, to
actually check its availability rather to check GCC's version. * configure.in (WARN_UNUSED_RESULT): moved to here. * configure.in (RUBY_FUNC_ATTRIBUTE): change function declaration to return int rather than void, because it makes no sense for a warn_unused_result attributed function to return void. Funny thing however is that it also makes no sense for noreturn attributed function to return int. So there is a fundamental conflict between them. While I tested this, I confirmed both GCC 6 and Clang 3.8 prefers int over void to correctly detect necessary attributes under this setup. Maybe subject to change in future. * internal.h (UNINITIALIZED_VAR): renamed to MAYBE_UNUSED, then moved to configure.in for the same reason we move WARN_UNUSED_RESULT. * configure.in (MAYBE_UNUSED): moved to here. * internal.h (__has_attribute): deleted, because it has no use now. * string.c (rb_str_enumerate_lines): refactor macro rename. * string.c (rb_str_enumerate_bytes): ditto. * string.c (rb_str_enumerate_chars): ditto. * string.c (rb_str_enumerate_codepoints): ditto. * thread.c (do_select): ditto. * vm_backtrace.c (rb_debug_inspector_open): ditto. * vsnprintf.c (BSD_vfprintf): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'thread.c')
-rw-r--r--thread.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/thread.c b/thread.c
index 46077f6ea4..c0bdaf546e 100644
--- a/thread.c
+++ b/thread.c
@@ -3660,11 +3660,11 @@ static int
do_select(int n, rb_fdset_t *readfds, rb_fdset_t *writefds,
rb_fdset_t *exceptfds, struct timeval *timeout)
{
- int UNINITIALIZED_VAR(result);
+ int MAYBE_UNUSED(result);
int lerrno;
- rb_fdset_t UNINITIALIZED_VAR(orig_read);
- rb_fdset_t UNINITIALIZED_VAR(orig_write);
- rb_fdset_t UNINITIALIZED_VAR(orig_except);
+ rb_fdset_t MAYBE_UNUSED(orig_read);
+ rb_fdset_t MAYBE_UNUSED(orig_write);
+ rb_fdset_t MAYBE_UNUSED(orig_except);
double limit = 0;
struct timeval wait_rest;
rb_thread_t *th = GET_THREAD();