diff options
Diffstat (limited to 'libc-top-half/musl/src/network/socketpair.c')
-rw-r--r-- | libc-top-half/musl/src/network/socketpair.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/network/socketpair.c b/libc-top-half/musl/src/network/socketpair.c new file mode 100644 index 0000000..f348962 --- /dev/null +++ b/libc-top-half/musl/src/network/socketpair.c @@ -0,0 +1,25 @@ +#include <sys/socket.h> +#include <fcntl.h> +#include <errno.h> +#include "syscall.h" + +int socketpair(int domain, int type, int protocol, int fd[2]) +{ + int r = socketcall(socketpair, domain, type, protocol, fd, 0, 0); + if (r<0 && (errno==EINVAL || errno==EPROTONOSUPPORT) + && (type&(SOCK_CLOEXEC|SOCK_NONBLOCK))) { + r = socketcall(socketpair, domain, + type & ~(SOCK_CLOEXEC|SOCK_NONBLOCK), + protocol, fd, 0, 0); + if (r < 0) return r; + if (type & SOCK_CLOEXEC) { + __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC); + __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC); + } + if (type & SOCK_NONBLOCK) { + __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK); + __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK); + } + } + return r; +} |