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- overhaul for unlimited file descriptors

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- prototypes now in include files

Obtained from: a diff of FreeBSD vs. OpenBSD/NetBSD rpc code.

Note: potential bug here, It looks like there could be a null pointer
dereference depending on what has already been called to initialise some
shared data.
This commit is contained in:
Peter Wemm 1996-12-30 15:14:29 +00:00
parent 3a6ebf3676
commit 0143afc23b
1 changed files with 24 additions and 15 deletions
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39
lib/libc/rpc/svc_run.c
View File

@ -30,7 +30,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";*/
/*static char *sccsid = "from: @(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC";*/
static char *rcsid = "$Id: svc_run.c,v 1.2 1995/05/30 05:41:35 rgrimes Exp $";
static char *rcsid = "$Id: svc_run.c,v 1.3 1996/06/10 00:49:19 jraynard Exp $";
#endif
/*
@ -43,36 +43,45 @@ static char *rcsid = "$Id: svc_run.c,v 1.2 1995/05/30 05:41:35 rgrimes Exp $";
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
int _rpc_dtablesize(void);
extern int __svc_fdsetsize;
extern fd_set *__svc_fdset;
void
svc_run()
{
#ifdef FD_SETSIZE
fd_set readfds;
#else
int readfds;
#endif /* def FD_SETSIZE */
fd_set *fds;
for (;;) {
#ifdef FD_SETSIZE
readfds = svc_fdset;
#else
readfds = svc_fds;
#endif /* def FD_SETSIZE */
switch (select(_rpc_dtablesize(), &readfds, NULL, NULL,
(struct timeval *)0)) {
if (__svc_fdset) {
int bytes = howmany(__svc_fdsetsize, NFDBITS) *
sizeof(fd_mask);
fds = (fd_set *)malloc(bytes);
memcpy(fds, __svc_fdset, bytes);
} else
fds = NULL;
switch (select(svc_maxfd, fds, NULL, NULL,
(struct timeval *)0)) {
case -1:
if (errno == EINTR) {
if (fds)
free(fds);
continue;
}
perror("svc_run: - select failed");
if (fds)
free(fds);
return;
case 0:
if (fds)
free(fds);
continue;
default:
svc_getreqset(&readfds);
/* XXX What the hell?? what if fds == NULL?? */
svc_getreqset2(fds, svc_maxfd + 1);
free(fds);
}
}
}