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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-10-31 14:38:50 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-10-31 14:38:50 +0000 |
commit | 1a8fbff3dbbddf3c0d4e58d0f7da9ad1eb0e2025 (patch) | |
tree | f750c561f90071667d754965d5c9dbda5d68a7a6 /ext | |
parent | 6a96646de2bbbe24f8d6c0bd3c31374012ae419e (diff) | |
download | ruby-1a8fbff3dbbddf3c0d4e58d0f7da9ad1eb0e2025.tar.gz |
* ext/socket/init.c (rsock_socket): use SOCK_CLOEXEC if available.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33589 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r-- | ext/socket/init.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/ext/socket/init.c b/ext/socket/init.c index 70c92d7452..2f6b6eef82 100644 --- a/ext/socket/init.c +++ b/ext/socket/init.c @@ -240,19 +240,38 @@ rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type } int -rsock_socket(int domain, int type, int proto) +rsock_socket(int domain, int type0, int proto) { - int fd; + int fd, type; + +#ifdef SOCK_CLOEXEC + static int try_sock_cloexec = 1; + if (try_sock_cloexec) + type = type0|SOCK_CLOEXEC; + else + type = type0; + retry_without_sock_cloexec:; +#else + type = type0; +#endif fd = socket(domain, type, proto); if (fd < 0) { +#ifdef SOCK_CLOEXEC + /* SOCK_CLOEXEC is available since Linux 2.6.27. Linux 2.6.18 fails with EINVAL */ + if (try_sock_cloexec && errno == EINVAL) { + try_sock_cloexec = 0; + type = type0; + goto retry_without_sock_cloexec; + } +#endif if (errno == EMFILE || errno == ENFILE) { rb_gc(); fd = socket(domain, type, proto); } } if (0 <= fd) - rb_fd_fix_cloexec(fd); + rb_update_max_fd(fd); return fd; } |