diff options
Diffstat (limited to 'sunrpc/clnt_udp.c')
| -rw-r--r-- | sunrpc/clnt_udp.c | 60 |
1 files changed, 51 insertions, 9 deletions
diff --git a/sunrpc/clnt_udp.c b/sunrpc/clnt_udp.c index 634313211d..e3a68129ec 100644 --- a/sunrpc/clnt_udp.c +++ b/sunrpc/clnt_udp.c @@ -54,12 +54,15 @@ static char sccsid[] = "@(#)clnt_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro"; #ifdef USE_IN_LIBIO # include <wchar.h> #endif +#include <fcntl.h> #ifdef IP_RECVERR #include <errqueue.h> #include <sys/uio.h> #endif +#include <kernel-features.h> + extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *); extern u_long _create_xid (void); @@ -121,9 +124,9 @@ struct cu_data * sent and received. */ CLIENT * -clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version, - struct timeval wait, int *sockp, u_int sendsz, - u_int recvsz) +__libc_clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, + u_long version, struct timeval wait, int *sockp, + u_int sendsz, u_int recvsz, int flags) { CLIENT *cl; struct cu_data *cu = NULL; @@ -178,8 +181,32 @@ clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version, { int dontblock = 1; - *sockp = __socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (*sockp < 0) +#ifdef SOCK_NONBLOCK +# ifndef __ASSUME_SOCK_CLOEXEC + if (__have_sock_cloexec >= 0) +# endif + { + *sockp = __socket (AF_INET, SOCK_DGRAM|SOCK_NONBLOCK|flags, + IPPROTO_UDP); +# ifndef __ASSUME_SOCK_CLOEXEC + if (__have_sock_cloexec == 0) + __have_sock_cloexec = *sockp >= 0 || errno != EINVAL ? 1 : -1; +# endif + } +#endif +#ifndef __ASSUME_SOCK_CLOEXEC +# ifdef SOCK_CLOEXEC + if (__have_sock_cloexec < 0) +# endif + { + *sockp = __socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP); +# ifdef SOCK_CLOEXEC + if (flags & SOCK_CLOEXEC) + fcntl (*sockp, F_SETFD, FD_CLOEXEC); +# endif + } +#endif + if (__builtin_expect (*sockp < 0, 0)) { struct rpc_createerr *ce = &get_rpc_createerr (); ce->cf_stat = RPC_SYSTEMERROR; @@ -188,8 +215,13 @@ clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version, } /* attempt to bind to prov port */ (void) bindresvport (*sockp, (struct sockaddr_in *) 0); - /* the sockets rpc controls are non-blocking */ - (void) __ioctl (*sockp, FIONBIO, (char *) &dontblock); +#ifndef __ASSUME_SOCK_CLOEXEC +# ifdef SOCK_CLOEXEC + if (__have_sock_cloexec < 0) +# endif + /* the sockets rpc controls are non-blocking */ + (void) __ioctl (*sockp, FIONBIO, (char *) &dontblock); +#endif #ifdef IP_RECVERR { int on = 1; @@ -212,6 +244,16 @@ fooy: mem_free ((caddr_t) cl, sizeof (CLIENT)); return (CLIENT *) NULL; } +INTDEF (__libc_clntudp_bufcreate) + +CLIENT * +clntudp_bufcreate (struct sockaddr_in *raddr, u_long program, u_long version, + struct timeval wait, int *sockp, u_int sendsz, + u_int recvsz) +{ + return INTUSE(__libc_clntudp_bufcreate) (raddr, program, version, wait, + sockp, sendsz, recvsz, 0); +} INTDEF (clntudp_bufcreate) CLIENT * @@ -222,8 +264,8 @@ clntudp_create (raddr, program, version, wait, sockp) struct timeval wait; int *sockp; { - return INTUSE(clntudp_bufcreate) (raddr, program, version, wait, sockp, - UDPMSGSIZE, UDPMSGSIZE); + return INTUSE(__libc_clntudp_bufcreate) (raddr, program, version, wait, + sockp, UDPMSGSIZE, UDPMSGSIZE, 0); } INTDEF (clntudp_create) |