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| author | Max Kellermann <max@duempel.org> | 2010-08-03 15:55:25 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2010-08-03 17:51:35 +0200 |
| commit | d18c1b1a0ab57d77ba823cfedf40077d24dafbd7 (patch) | |
| tree | 4de2aa931b8a73e8530cc3586156c6eb7ca0524b /src/fd_util.c | |
| parent | c980fc653d0bfe1b4744e7e8364b37225ac38746 (diff) | |
| download | mpd-d18c1b1a0ab57d77ba823cfedf40077d24dafbd7.tar.gz mpd-d18c1b1a0ab57d77ba823cfedf40077d24dafbd7.tar.xz mpd-d18c1b1a0ab57d77ba823cfedf40077d24dafbd7.zip | |
fd_util: add function recvmsg_cloexec()
Diffstat (limited to '')
| -rw-r--r-- | src/fd_util.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/fd_util.c b/src/fd_util.c index d8fe166d7..b9443b03d 100644 --- a/src/fd_util.c +++ b/src/fd_util.c @@ -246,6 +246,33 @@ accept_cloexec_nonblock(int fd, struct sockaddr *address, return ret; } +#ifndef WIN32 + +ssize_t +recvmsg_cloexec(int sockfd, struct msghdr *msg, int flags) +{ +#ifdef MSG_CMSG_CLOEXEC + flags |= MSG_CMSG_CLOEXEC; +#endif + + ssize_t result = recvmsg(sockfd, msg, flags); + if (result >= 0) { + struct cmsghdr *cmsg = CMSG_FIRSTHDR(msg); + while (cmsg != NULL) { + if (cmsg->cmsg_type == SCM_RIGHTS) { + int fd = *(const int *)CMSG_DATA(cmsg); + fd_set_cloexec(fd, true); + } + + cmsg = CMSG_NXTHDR(msg, cmsg); + } + } + + return result; +} + +#endif + #ifdef HAVE_INOTIFY_INIT int |