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authorUlrich Drepper <drepper@redhat.com>1998-06-29 12:44:22 +0000
committerUlrich Drepper <drepper@redhat.com>1998-06-29 12:44:22 +0000
commitfdacb17d4819c7112a147195c5ce3c82147f4b46 (patch)
treed1c400488d3bc8dfe707645a0fc38916e223614c /login
parentba488034eabd1affd6b4b3e8838abde0f4d0504e (diff)
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Update.
1998-06-29 12:27 Ulrich Drepper <drepper@cygnus.com> * argp/argp.h: Use __PMT instead of __P for function pointer. * iconv/gconv.h: Likewise. * io/fts.h: Likewise. * io/ftw.h: Likewise. * libio/libio.h: Likewise. * malloc/mcheck.h: Likewise. * misc/search.h: Likewise. * posix/glob.h: Likewise. * resolv/resolv.h: Likewise. * signal/signal.h: Likewise. * stdlib/stdlib.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/bits/siginfo.h: Likewise. 1998-06-26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makeconfig (CPPFLAGS): Use $($(subdir)-CPPFLAGS) only once. 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp.c (parse_param): Fix memory leak. 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libc.map: Export _IO_ftrylockfile. 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/aio_sigqueue.c: Use get[pu]id instead of __get[pu]id. 1998-06-28 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-misc.c (_dl_debug_message): Don't cache the pid. * elf/dl-runtime.c (_dl_object_relocation_scope): Avoid adding the same search list twice. 1998-06-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * login/programs/utmpd.c (handle_requests): Set and use maximal fd used to optimize loop/select. 1998-06-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/init-first.c: Don't define __libc_pid. * sysdeps/unix/sysv/linux/init-first.c: Likewise. * sysdeps/mach/hurd/i386/init-first.c: Likewise. * sysdeps/mach/hurd/mips/init-first.c: Likewise. * sysdeps/arm/init-first.c: Likewise. * posix/getopt_init.c: Don't use __libc_pid. * sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise. * sysdeps/unix/sysv/linux/sigqueue.c: Likewise. * libc.map: Remove __libc_uid and __libc_pid.
Diffstat (limited to 'login')
-rw-r--r--login/programs/utmpd.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/login/programs/utmpd.c b/login/programs/utmpd.c
index c2e9fe0..b3384f5 100644
--- a/login/programs/utmpd.c
+++ b/login/programs/utmpd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
@@ -28,6 +28,7 @@
#include <stdlib.h>
#include <signal.h>
#include <string.h>
+#include <sys/param.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/stat.h>
@@ -270,6 +271,7 @@ void handle_requests (void)
fd_set read_fd_set;
fd_set write_fd_set;
int fd;
+ int maxfd; /* Highest used fd to optimize select/loop. */
/* Initialize the set of active sockets. */
FD_ZERO (&active_read_fd_set);
@@ -277,16 +279,18 @@ void handle_requests (void)
FD_SET (rw_sock, &active_read_fd_set);
FD_SET (ro_sock, &active_read_fd_set);
+ maxfd = MAX (rw_sock, ro_sock);
+
while (1)
{
/* Block until input arrives on one or more active sockets. */
read_fd_set = active_read_fd_set;
write_fd_set = active_write_fd_set;
- if (select (FD_SETSIZE, &read_fd_set, &write_fd_set, NULL, NULL) < 0)
+ if (select (maxfd + 1, &read_fd_set, &write_fd_set, NULL, NULL) < 0)
error (EXIT_FAILURE, errno, _("cannot get input on sockets"));
/* Service all the sockets with input pending. */
- for (fd = 0; fd < FD_SETSIZE; fd++)
+ for (fd = 0; fd <= maxfd; ++fd)
{
if (FD_ISSET (fd, &read_fd_set))
{
@@ -299,6 +303,7 @@ void handle_requests (void)
error (0, errno, _("cannot accept connection"));
FD_SET (connection->sock, &active_read_fd_set);
+ maxfd = MAX (maxfd, connection->sock);
}
else
{
@@ -335,6 +340,14 @@ void handle_requests (void)
FD_CLR (fd, &active_write_fd_set);
}
}
+
+ /* Check if maxfd can be lowered. */
+ for (; maxfd >= 0; --maxfd)
+ {
+ if (FD_ISSET (maxfd, &active_read_fd_set)
+ || FD_ISSET (maxfd, &active_write_fd_set))
+ break;
+ }
}
}