diff options
Diffstat (limited to 'libglusterfs/src/syscall.c')
-rw-r--r-- | libglusterfs/src/syscall.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libglusterfs/src/syscall.c b/libglusterfs/src/syscall.c index dd504f734fc..b28f2b9d17d 100644 --- a/libglusterfs/src/syscall.c +++ b/libglusterfs/src/syscall.c @@ -741,3 +741,63 @@ sys_socket(int domain, int type, int protocol) fcntl(fd, F_SETFD, FD_CLOEXEC); return fd; } + +#if (defined(HAVE_ACCEPT4) || defined(HAVE_PACCEPT)) +static inline int +prep_accept_flags(int flags) +{ + if (flags & O_NONBLOCK) { + flags &= ~O_NONBLOCK; + flags |= SOCK_NONBLOCK; + } + + flags |= SOCK_CLOEXEC; + + return flags; +} +#endif + +int +sys_accept(int sock, struct sockaddr *sockaddr, socklen_t *socklen, int flags) +{ + int newsock = -1; + +#ifdef HAVE_ACCEPT4 + + flags = prep_accept_flags(flags); + newsock = accept4(sock, sockaddr, socklen, flags); + +#elif HAVE_PACCEPT + flags = prep_accept_flags(flags); + newsock = paccept(sock, sockaddr, socklen, NULL, flags); + +#else + int op_errno = 0; + int curflag = 0; + int ret = 0; + + newsock = accept(sock, sockaddr, socklen); + if (newsock != -1) { + curflag = fcntl(newsock, F_GETFL); + if (fcntl(newsock, F_SETFL, curflag | flags) == -1) { + op_errno = errno; + goto err; + } + + curflag = fcntl(newsock, F_GETFD); + if (fcntl(newsock, F_SETFD, curflag | FD_CLOEXEC) == -1) { + op_errno = errno; + goto err; + } + } + +err: + if (op_errno) { + close(newsock); + errno = op_errno; + return -1; + } + +#endif + return newsock; +} |