diff options
| -rw-r--r-- | include/qemu/sockets.h | 18 | ||||
| -rw-r--r-- | util/oslib-posix.c | 19 |
2 files changed, 37 insertions, 0 deletions
diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h index 038faa157f..036745e586 100644 --- a/include/qemu/sockets.h +++ b/include/qemu/sockets.h @@ -14,6 +14,24 @@ int inet_aton(const char *cp, struct in_addr *ia); /* misc helpers */ bool fd_is_socket(int fd); int qemu_socket(int domain, int type, int protocol); + +#ifndef WIN32 +/** + * qemu_socketpair: + * @domain: specifies a communication domain, such as PF_UNIX + * @type: specifies the socket type. + * @protocol: specifies a particular protocol to be used with the socket + * @sv: an array to store the pair of socket created + * + * Creates an unnamed pair of connected sockets in the specified domain, + * of the specified type, and using the optionally specified protocol. + * And automatically set the close-on-exec flags on the returned sockets + * + * Return 0 on success. + */ +int qemu_socketpair(int domain, int type, int protocol, int sv[2]); +#endif + int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen); int socket_set_cork(int fd, int v); int socket_set_nodelay(int fd); diff --git a/util/oslib-posix.c b/util/oslib-posix.c index d55af69c11..827a7aadba 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -253,6 +253,25 @@ void qemu_set_cloexec(int fd) assert(f != -1); } +int qemu_socketpair(int domain, int type, int protocol, int sv[2]) +{ + int ret; + +#ifdef SOCK_CLOEXEC + ret = socketpair(domain, type | SOCK_CLOEXEC, protocol, sv); + if (ret != -1 || errno != EINVAL) { + return ret; + } +#endif + ret = socketpair(domain, type, protocol, sv);; + if (ret == 0) { + qemu_set_cloexec(sv[0]); + qemu_set_cloexec(sv[1]); + } + + return ret; +} + char * qemu_get_local_state_dir(void) { |