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dir: Dir.chdir releases GVL

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chdir(2) is subject to all the pathological slowdowns and
caveats as open(2) on slow or unreliable filesystems, so ensure
other threads can proceed while this is happening.

* dir.c (nogvl_chdir): new function

* dir.c (dir_chdir): release GVL

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60583 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2017-10-30 23:47:27 +00:00
parent fecb9f8d88
commit 0b0e71ba2b
1 changed files with 13 additions and 1 deletions
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14
dir.c
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@ -967,10 +967,22 @@ dir_close(VALUE dir)
return Qnil;
}
static void *
nogvl_chdir(void *ptr)
{
const char *path = ptr;
return (void *)(VALUE)chdir(path);
}
static void
dir_chdir(VALUE path)
{
if (chdir(RSTRING_PTR(path)) < 0)
int r;
char *p = RSTRING_PTR(path);
r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_chdir, p, RUBY_UBF_IO, 0);
if (r < 0)
rb_sys_fail_path(path);
}