diff options
Diffstat (limited to 'nscd/nscd_helper.c')
| -rw-r--r-- | nscd/nscd_helper.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c index 9828a46df0..7db5d09845 100644 --- a/nscd/nscd_helper.c +++ b/nscd/nscd_helper.c @@ -33,6 +33,7 @@ #include <sys/un.h> #include <not-cancel.h> #include <nis/rpcsvc/nis.h> +#include <kernel-features.h> #include "nscd-client.h" @@ -161,7 +162,26 @@ __readvall (int fd, const struct iovec *iov, int iovcnt) static int open_socket (request_type type, const char *key, size_t keylen) { - int sock = __socket (PF_UNIX, SOCK_STREAM, 0); + int sock; + +#ifdef SOCK_CLOEXEC +# ifndef __ASSUME_SOCK_CLOEXEC + if (__have_sock_cloexec >= 0) +# endif + { + sock = __socket (PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0); +# ifndef __ASSUME_SOCK_CLOEXEC + if (__have_sock_cloexec == 0) + __have_sock_cloexec = sock != -1 || errno != EINVAL ? 1 : -1; +# endif + } +#endif +#ifndef __ASSUME_SOCK_CLOEXEC +# ifdef SOCK_CLOEXEC + if (__have_sock_cloexec < 0) +# endif + sock = __socket (PF_UNIX, SOCK_STREAM, 0); +#endif if (sock < 0) return -1; @@ -172,8 +192,13 @@ open_socket (request_type type, const char *key, size_t keylen) } reqdata; size_t real_sizeof_reqdata = sizeof (request_header) + keylen; - /* Make socket non-blocking. */ - __fcntl (sock, F_SETFL, O_RDWR | O_NONBLOCK); +#ifndef __ASSUME_SOCK_CLOEXEC +# ifdef SOCK_NONBLOCK + if (__have_sock_cloexec < 0) +# endif + /* Make socket non-blocking. */ + __fcntl (sock, F_SETFL, O_RDWR | O_NONBLOCK); +#endif struct sockaddr_un sun; sun.sun_family = AF_UNIX; |