diff options
-rw-r--r-- | lib/util/config.mk | 3 | ||||
-rw-r--r-- | lib/util/select.c (renamed from source3/lib/select.c) | 19 | ||||
-rw-r--r-- | lib/util/select.h | 29 | ||||
-rw-r--r-- | lib/util/wscript_build | 2 | ||||
-rw-r--r-- | source3/Makefile.in | 5 | ||||
-rw-r--r-- | source3/client/client.c | 1 | ||||
-rw-r--r-- | source3/include/proto.h | 6 | ||||
-rw-r--r-- | source3/lib/events.c | 1 | ||||
-rw-r--r-- | source3/lib/g_lock.c | 1 | ||||
-rw-r--r-- | source3/lib/packet.c | 1 | ||||
-rw-r--r-- | source3/lib/readline.c | 1 | ||||
-rw-r--r-- | source3/lib/util_sock.c | 1 | ||||
-rw-r--r-- | source3/libsmb/nmblib.c | 1 | ||||
-rw-r--r-- | source3/nmbd/nmbd_packets.c | 1 | ||||
-rw-r--r-- | source3/smbd/process.c | 1 | ||||
-rw-r--r-- | source3/utils/smbfilter.c | 1 | ||||
-rw-r--r-- | source3/winbindd/winbindd_dual.c | 1 | ||||
-rw-r--r-- | source3/wscript_build | 5 | ||||
-rw-r--r-- | source4/lib/smbreadline/smbreadline.c | 45 |
19 files changed, 60 insertions, 65 deletions
diff --git a/lib/util/config.mk b/lib/util/config.mk index 0a5d62ff86..719f5f2493 100644 --- a/lib/util/config.mk +++ b/lib/util/config.mk @@ -35,7 +35,8 @@ LIBSAMBA-UTIL_OBJ_FILES = $(addprefix $(libutilsrcdir)/, \ smb_threads.o \ params.o \ parmlist.o \ - util_id.o) + util_id.o + select.o) PUBLIC_HEADERS += $(addprefix $(libutilsrcdir)/, util.h \ dlinklist.h \ diff --git a/source3/lib/select.c b/lib/util/select.c index 846e6af1de..61df649526 100644 --- a/source3/lib/select.c +++ b/lib/util/select.c @@ -1,29 +1,32 @@ -/* +/* Unix SMB/Netbios implementation. Version 3.0 Samba select/poll implementation Copyright (C) Andrew Tridgell 1992-1998 - + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" +#include "system/filesys.h" +#include "system/select.h" +#include "lib/util/select.h" -/* This is here because it allows us to avoid a nasty race in signal handling. +/* This is here because it allows us to avoid a nasty race in signal handling. We need to guarantee that when we get a signal we get out of a select immediately - but doing that involves a race condition. We can avoid the race by getting the - signal handler to write to a pipe that is in the select/poll list + but doing that involves a race condition. We can avoid the race by getting the + signal handler to write to a pipe that is in the select/poll list This means all Samba signal handlers should call sys_select_signal(). */ @@ -33,7 +36,7 @@ static int select_pipe[2]; static volatile unsigned pipe_written, pipe_read; /******************************************************************* - Call this from all Samba signal handlers if you want to avoid a + Call this from all Samba signal handlers if you want to avoid a nasty signal race condition. ********************************************************************/ diff --git a/lib/util/select.h b/lib/util/select.h new file mode 100644 index 0000000000..13c85ce0bf --- /dev/null +++ b/lib/util/select.h @@ -0,0 +1,29 @@ +/* + Unix SMB/Netbios implementation. + Samba select/poll implementation + Copyright (C) Andrew Tridgell 1992-1998 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _select_h_ +#define _select_h_ + +/* The following definitions come from lib/util/select.c */ + +void sys_select_signal(char c); +int sys_select(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval); +int sys_select_intr(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval); + +#endif diff --git a/lib/util/wscript_build b/lib/util/wscript_build index 0da6ec5b26..457dee2e19 100644 --- a/lib/util/wscript_build +++ b/lib/util/wscript_build @@ -1,7 +1,7 @@ #!/usr/bin/env python bld.SAMBA_LIBRARY('LIBSAMBA-UTIL', - source='xfile.c debug.c fault.c signal.c system.c time.c genrand.c dprintf.c util_str.c rfc1738.c substitute.c util_strlist.c util_file.c data_blob.c util.c blocking.c util_net.c fsusage.c ms_fnmatch.c mutex.c idtree.c become_daemon.c rbtree.c talloc_stack.c smb_threads.c params.c parmlist.c util_id.c', + source='xfile.c debug.c fault.c signal.c system.c time.c genrand.c dprintf.c util_str.c rfc1738.c substitute.c util_strlist.c util_file.c data_blob.c util.c blocking.c util_net.c fsusage.c ms_fnmatch.c mutex.c idtree.c become_daemon.c rbtree.c talloc_stack.c smb_threads.c params.c parmlist.c util_id.c select.c', public_deps='talloc LIBCRYPTO CHARSET execinfo UID_WRAPPER tevent', public_headers='attr.h byteorder.h data_blob.h debug.h memory.h mutex.h safe_string.h time.h talloc_stack.h xfile.h dlinklist.h util.h tevent_ntstatus.h tevent_unix.h', header_path= [ ('dlinklist.h util.h', '.'), ('*', 'util') ], diff --git a/source3/Makefile.in b/source3/Makefile.in index 8a0364d174..139ea70909 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -430,7 +430,8 @@ UTIL_OBJ = ../lib/util/rbtree.o ../lib/util/signal.o ../lib/util/time.o \ ../lib/util/become_daemon.o ../lib/util/system.o \ ../lib/util/tevent_unix.o ../lib/util/tevent_ntstatus.o \ ../lib/util/smb_threads.o ../lib/util/util_id.o \ - ../lib/util/blocking.o ../lib/util/rfc1738.o + ../lib/util/blocking.o ../lib/util/rfc1738.o \ + ../lib/util/select.o CRYPTO_OBJ = ../lib/crypto/crc32.o ../lib/crypto/md5.o \ ../lib/crypto/hmacmd5.o ../lib/crypto/arcfour.o \ @@ -460,7 +461,7 @@ LIB_OBJ = $(LIBSAMBAUTIL_OBJ) $(UTIL_OBJ) $(CRYPTO_OBJ) \ lib/util.o lib/util_names.o \ lib/util_sock.o lib/sock_exec.o lib/util_sec.o \ lib/substitute.o lib/dbwrap_util.o \ - lib/ms_fnmatch.o lib/select.o lib/errmap_unix.o \ + lib/ms_fnmatch.o lib/errmap_unix.o \ lib/tallocmsg.o lib/dmallocmsg.o \ libsmb/clisigning.o libsmb/smb_signing.o \ lib/iconv.o lib/pam_errors.o intl/lang_tdb.o \ diff --git a/source3/client/client.c b/source3/client/client.c index 86d64f6afa..1432d95c22 100644 --- a/source3/client/client.c +++ b/source3/client/client.c @@ -25,6 +25,7 @@ #include "popt_common.h" #include "client/client_proto.h" #include "../librpc/gen_ndr/cli_srvsvc.h" +#include "../lib/util/select.h" #ifndef REGISTER #define REGISTER 0 diff --git a/source3/include/proto.h b/source3/include/proto.h index 866836f99f..d19ce81a44 100644 --- a/source3/include/proto.h +++ b/source3/include/proto.h @@ -716,12 +716,6 @@ NTSTATUS se_create_child_secdesc_buf(TALLOC_CTX *ctx, const struct security_descriptor *parent_ctr, bool container); -/* The following definitions come from lib/select.c */ - -void sys_select_signal(char c); -int sys_select(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval); -int sys_select_intr(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval); - /* The following definitions come from lib/sendfile.c */ ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count); diff --git a/source3/lib/events.c b/source3/lib/events.c index 21a13b63fb..70a0d7c302 100644 --- a/source3/lib/events.c +++ b/source3/lib/events.c @@ -20,6 +20,7 @@ #include "includes.h" #include <tevent_internal.h> +#include "../lib/util/select.h" /* * Return if there's something in the queue diff --git a/source3/lib/g_lock.c b/source3/lib/g_lock.c index 2c065029e7..378e464b5c 100644 --- a/source3/lib/g_lock.c +++ b/source3/lib/g_lock.c @@ -21,6 +21,7 @@ #include "g_lock.h" #include "librpc/gen_ndr/messaging.h" #include "ctdbd_conn.h" +#include "../lib/util/select.h" static NTSTATUS g_lock_force_unlock(struct g_lock_ctx *ctx, const char *name, struct server_id pid); diff --git a/source3/lib/packet.c b/source3/lib/packet.c index c131b973bc..fefb74a0c5 100644 --- a/source3/lib/packet.c +++ b/source3/lib/packet.c @@ -18,6 +18,7 @@ */ #include "includes.h" +#include "../lib/util/select.h" struct packet_context { int fd; diff --git a/source3/lib/readline.c b/source3/lib/readline.c index 4b82291eca..1be0e05f7d 100644 --- a/source3/lib/readline.c +++ b/source3/lib/readline.c @@ -19,6 +19,7 @@ */ #include "includes.h" +#include "../lib/util/select.h" #ifdef HAVE_LIBREADLINE # ifdef HAVE_READLINE_READLINE_H diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c index 2b33816293..188e11702e 100644 --- a/source3/lib/util_sock.c +++ b/source3/lib/util_sock.c @@ -22,6 +22,7 @@ #include "includes.h" #include "memcache.h" #include "../lib/async_req/async_sock.h" +#include "../lib/util/select.h" /**************************************************************************** Get a port number in host byte order from a sockaddr_storage. diff --git a/source3/libsmb/nmblib.c b/source3/libsmb/nmblib.c index 1c95d0e99f..943cbcbe6d 100644 --- a/source3/libsmb/nmblib.c +++ b/source3/libsmb/nmblib.c @@ -20,6 +20,7 @@ */ #include "includes.h" +#include "../lib/util/select.h" static const struct opcode_names { const char *nmb_opcode_name; diff --git a/source3/nmbd/nmbd_packets.c b/source3/nmbd/nmbd_packets.c index 2dd218aece..5d5a67bf62 100644 --- a/source3/nmbd/nmbd_packets.c +++ b/source3/nmbd/nmbd_packets.c @@ -22,6 +22,7 @@ #include "includes.h" #include "nmbd/nmbd.h" +#include "../lib/util/select.h" extern int ClientNMB; extern int ClientDGRAM; diff --git a/source3/smbd/process.c b/source3/smbd/process.c index 4db54f39c0..a484dfd3f2 100644 --- a/source3/smbd/process.c +++ b/source3/smbd/process.c @@ -24,6 +24,7 @@ #include "librpc/gen_ndr/messaging.h" #include "../lib/async_req/async_sock.h" #include "ctdbd_conn.h" +#include "../lib/util/select.h" extern bool global_machine_password_needs_changing; diff --git a/source3/utils/smbfilter.c b/source3/utils/smbfilter.c index 65d846124b..9d3e46825f 100644 --- a/source3/utils/smbfilter.c +++ b/source3/utils/smbfilter.c @@ -18,6 +18,7 @@ */ #include "includes.h" +#include "../lib/util/select.h" #define SECURITY_MASK 0 #define SECURITY_SET 0 diff --git a/source3/winbindd/winbindd_dual.c b/source3/winbindd/winbindd_dual.c index a6cc64a7b5..a4d8b8ac41 100644 --- a/source3/winbindd/winbindd_dual.c +++ b/source3/winbindd/winbindd_dual.c @@ -32,6 +32,7 @@ #include "../../nsswitch/libwbclient/wbc_async.h" #include "librpc/gen_ndr/messaging.h" #include "secrets.h" +#include "../lib/util/select.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_WINBIND diff --git a/source3/wscript_build b/source3/wscript_build index ff091b5e8a..0d70a936ec 100644 --- a/source3/wscript_build +++ b/source3/wscript_build @@ -162,7 +162,8 @@ UTIL_SRC = '''../lib/util/rbtree.c ../lib/util/signal.c ../lib/util/time.c ../lib/util/become_daemon.c ../lib/util/system.c ../lib/util/tevent_unix.c ../lib/util/tevent_ntstatus.c ../lib/util/smb_threads.c ../lib/util/util_id.c - ../lib/util/blocking.c ../lib/util/rfc1738.c ''' + ../lib/util/blocking.c ../lib/util/rfc1738.c + ../lib/util/select.c''' LIBTEVENT_SRC0 = '' @@ -194,7 +195,7 @@ LIB_SRC = '''${LIBSAMBAUTIL_SRC} ${UTIL_SRC} lib/util.c lib/util_names.c lib/util_sock.c lib/sock_exec.c lib/util_sec.c lib/substitute.c lib/dbwrap_util.c - lib/ms_fnmatch.c lib/select.c lib/errmap_unix.c + lib/ms_fnmatch.c lib/errmap_unix.c lib/tallocmsg.c lib/dmallocmsg.c libsmb/clisigning.c libsmb/smb_signing.c lib/iconv.c lib/pam_errors.c intl/lang_tdb.c diff --git a/source4/lib/smbreadline/smbreadline.c b/source4/lib/smbreadline/smbreadline.c index b07417357f..fa59e5d7d5 100644 --- a/source4/lib/smbreadline/smbreadline.c +++ b/source4/lib/smbreadline/smbreadline.c @@ -24,51 +24,6 @@ #include "system/readline.h" #include "lib/smbreadline/smbreadline.h" -/******************************************************************* - Similar to sys_select() but catch EINTR and continue. - This is what sys_select() used to do in Samba. -********************************************************************/ - -static int sys_select_intr(int maxfd, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *tval) -{ - int ret; - fd_set *readfds2, readfds_buf, *writefds2, writefds_buf, *errorfds2, errorfds_buf; - struct timeval tval2, *ptval; - - readfds2 = (readfds ? &readfds_buf : NULL); - writefds2 = (writefds ? &writefds_buf : NULL); - errorfds2 = (errorfds ? &errorfds_buf : NULL); - ptval = (tval ? &tval2 : NULL); - - do { - if (readfds) - readfds_buf = *readfds; - if (writefds) - writefds_buf = *writefds; - if (errorfds) - errorfds_buf = *errorfds; - if (tval) - tval2 = *tval; - - /* We must use select and not sys_select here. If we use - sys_select we'd lose the fact a signal occurred when sys_select - read a byte from the pipe. Fix from Mark Weaver - <mark-clist@npsl.co.uk> - */ - - ret = select(maxfd, readfds2, writefds2, errorfds2, ptval); - } while (ret == -1 && errno == EINTR); - - if (readfds) - *readfds = readfds_buf; - if (writefds) - *writefds = writefds_buf; - if (errorfds) - *errorfds = errorfds_buf; - - return ret; -} - /**************************************************************************** Display the prompt and wait for input. Call callback() regularly ****************************************************************************/ |