diff options
| -rw-r--r-- | src/network/accept4.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/network/accept4.c b/src/network/accept4.c index 6b5c16ce..285d8588 100644 --- a/src/network/accept4.c +++ b/src/network/accept4.c @@ -1,9 +1,20 @@ #define _GNU_SOURCE #include <sys/socket.h> +#include <errno.h> +#include <fcntl.h> #include "syscall.h" #include "libc.h" int accept4(int fd, struct sockaddr *restrict addr, socklen_t *restrict len, int flg) { - return socketcall_cp(accept4, fd, addr, len, flg, 0, 0); + if (!flg) return accept(fd, addr, len); + int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0); + if (ret>=0 || (errno != ENOSYS && errno != EINVAL)) return ret; + ret = accept(fd, addr, len); + if (ret<0) return ret; + if (flg & SOCK_CLOEXEC) + __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC); + if (flg & SOCK_NONBLOCK) + __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK); + return ret; } |