diff options
| -rw-r--r-- | avahi-dnsconfd/main.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/avahi-dnsconfd/main.c b/avahi-dnsconfd/main.c index 90cd55c..99bae64 100644 --- a/avahi-dnsconfd/main.c +++ b/avahi-dnsconfd/main.c @@ -115,6 +115,20 @@ static DNSServerInfo* new_server_info(gint interface, guchar protocol, const gch return i; } +static int set_cloexec(int fd) { + int n; + + assert(fd >= 0); + + if ((n = fcntl(fd, F_GETFD)) < 0) + return -1; + + if (n & FD_CLOEXEC) + return 0; + + return fcntl(fd, F_SETFD, n|FD_CLOEXEC); +} + static int open_socket(void) { int fd = -1; struct sockaddr_un sa; @@ -124,7 +138,7 @@ static int open_socket(void) { goto fail; } - if (avahi_set_cloexec(fd) < 0) { + if (set_cloexec(fd) < 0) { daemon_log(LOG_ERR, "fcntl(): %s", strerror(errno)); goto fail; } |