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Ignore failure on unsupported fcntl to drop non-blocking mode

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This commit is contained in:
Nobuyoshi Nakada 2020-12-15 23:17:23 +09:00
parent 4fe7f270ce
commit 8b32191a31
Notes: git 2020-12-16 17:55:11 +09:00 
Merged: https://github.com/ruby/ruby/pull/3913
1 changed files with 6 additions and 2 deletions
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8
ruby.c
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@ -2244,9 +2244,13 @@ open_load_file(VALUE fname_v, int *xflag)
rb_update_max_fd(fd);
#if defined HAVE_FCNTL && MODE_TO_LOAD != O_RDONLY
# ifdef ENOTSUP
# define IS_SUPPORTED_OP(e) ((e) != ENOTSUP)
# else
# define IS_SUPPORTED_OP(e) ((void)(e), 1)
# endif
/* disabling O_NONBLOCK */
if (fcntl(fd, F_SETFL, 0) < 0) {
e = errno;
if (fcntl(fd, F_SETFL, 0) < 0 && IS_SUPPORTED_OP(e = errno)) {
(void)close(fd);
rb_load_fail(fname_v, strerror(e));
}