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author | Andy Wingo <wingo@pobox.com> | 2011-06-16 18:22:50 +0200 |
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committer | Andy Wingo <wingo@pobox.com> | 2011-06-16 19:47:25 +0200 |
commit | 3d458a81c64e4696157b23c7c4c4c150aa4a93b8 (patch) | |
tree | 1478fb3a9faaf203f517a8776f54d00884efdef6 /lib/sockets.c | |
parent | 0b77014f0c7d53b8bdbc7059c92f526560e1cacd (diff) | |
download | guile-3d458a81c64e4696157b23c7c4c4c150aa4a93b8.tar.gz |
gnulib update
Added pipe2 and open modules, to get O_CLOEXEC.
* libguile/Makefile.am (guile_filter_doc_snarfage$(EXEEXT)): Add gnulib
here, in the native build case, for rpl_fflush if needed.
foo
Diffstat (limited to 'lib/sockets.c')
-rw-r--r-- | lib/sockets.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sockets.c b/lib/sockets.c index 25ab97f3d..432f3b584 100644 --- a/lib/sockets.c +++ b/lib/sockets.c @@ -37,6 +37,10 @@ close_fd_maybe_socket (const struct fd_hook *remaining_list, gl_close_fn primary, int fd) { + /* Note about multithread-safety: There is a race condition where, between + our calls to closesocket() and the primary close(), some other thread + could make system calls that allocate precisely the same HANDLE value + as sock; then the primary close() would call CloseHandle() on it. */ SOCKET sock; WSANETWORKEVENTS ev; |