From a0fec3241c7f4bd166dc235d840bea6d660b0339 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 7 Oct 2010 20:22:49 +0000 Subject: libXext xserver libXau libXinerama update 7/10/2010 --- libXau/AuLock.c | 237 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 117 insertions(+), 120 deletions(-) (limited to 'libXau/AuLock.c') diff --git a/libXau/AuLock.c b/libXau/AuLock.c index 69b1fd69a..45d6b71a3 100644 --- a/libXau/AuLock.c +++ b/libXau/AuLock.c @@ -1,120 +1,117 @@ -/* $Xorg: AuLock.c,v 1.4 2001/02/09 02:03:42 xorgcvs Exp $ */ - -/* - -Copyright 1988, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ -/* $XFree86: xc/lib/Xau/AuLock.c,v 3.6 2002/05/31 18:45:43 dawes Exp $ */ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include -#include -#include -#include -#define Time_t time_t -#ifndef X_NOT_POSIX -#include -#else -#ifndef WIN32 -extern unsigned sleep (); -#else -#include -#define link rename -#endif -#endif -#ifdef __UNIXOS2__ -#define link rename -#endif - -int -XauLockAuth ( -_Xconst char *file_name, -int retries, -int timeout, -long dead) -{ - char creat_name[1025], link_name[1025]; - struct stat statb; - Time_t now; - int creat_fd = -1; - - if (strlen (file_name) > 1022) - return LOCK_ERROR; - (void) strcpy (creat_name, file_name); - (void) strcat (creat_name, "-c"); - (void) strcpy (link_name, file_name); - (void) strcat (link_name, "-l"); - if (stat (creat_name, &statb) != -1) { - now = time ((Time_t *) 0); - /* - * NFS may cause ctime to be before now, special - * case a 0 deadtime to force lock removal - */ - if (dead == 0 || now - statb.st_ctime > dead) { - (void) unlink (creat_name); - (void) unlink (link_name); - } - } - - while (retries > 0) { - if (creat_fd == -1) { - creat_fd = open (creat_name, O_WRONLY | O_CREAT | O_EXCL, 0600); - if (creat_fd == -1) { - if (errno != EACCES) - return LOCK_ERROR; - } else - (void) close (creat_fd); - } - if (creat_fd != -1) { -#ifndef X_NOT_POSIX - /* The file system may not support hard links, and pathconf should tell us that. */ - if (1 == pathconf(creat_name, _PC_LINK_MAX)) { - if (-1 == rename(creat_name, link_name)) { - /* Is this good enough? Perhaps we should retry. TEST */ - return LOCK_ERROR; - } else { - return LOCK_SUCCESS; - } - } else { -#endif - if (link (creat_name, link_name) != -1) - return LOCK_SUCCESS; - if (errno == ENOENT) { - creat_fd = -1; /* force re-creat next time around */ - continue; - } - if (errno != EEXIST) - return LOCK_ERROR; -#ifndef X_NOT_POSIX - } -#endif - } - (void) sleep ((unsigned) timeout); - --retries; - } - return LOCK_TIMEOUT; -} +/* + +Copyright 1988, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include +#include +#include +#define Time_t time_t +#ifndef X_NOT_POSIX +#include +#else +#ifndef WIN32 +extern unsigned sleep (); +#else +#include +#define link rename +#endif +#endif +#ifdef __UNIXOS2__ +#define link rename +#endif + +int +XauLockAuth ( +_Xconst char *file_name, +int retries, +int timeout, +long dead) +{ + char creat_name[1025], link_name[1025]; + struct stat statb; + Time_t now; + int creat_fd = -1; + + if (strlen (file_name) > 1022) + return LOCK_ERROR; + (void) strcpy (creat_name, file_name); + (void) strcat (creat_name, "-c"); + (void) strcpy (link_name, file_name); + (void) strcat (link_name, "-l"); + if (stat (creat_name, &statb) != -1) { + now = time ((Time_t *) 0); + /* + * NFS may cause ctime to be before now, special + * case a 0 deadtime to force lock removal + */ + if (dead == 0 || now - statb.st_ctime > dead) { + (void) unlink (creat_name); + (void) unlink (link_name); + } + } + + while (retries > 0) { + if (creat_fd == -1) { + creat_fd = open (creat_name, O_WRONLY | O_CREAT | O_EXCL, 0600); + if (creat_fd == -1) { + if (errno != EACCES) + return LOCK_ERROR; + } else + (void) close (creat_fd); + } + if (creat_fd != -1) { +#ifndef X_NOT_POSIX + /* The file system may not support hard links, and pathconf should tell us that. */ + if (1 == pathconf(creat_name, _PC_LINK_MAX)) { + if (-1 == rename(creat_name, link_name)) { + /* Is this good enough? Perhaps we should retry. TEST */ + return LOCK_ERROR; + } else { + return LOCK_SUCCESS; + } + } else { +#endif + if (link (creat_name, link_name) != -1) + return LOCK_SUCCESS; + if (errno == ENOENT) { + creat_fd = -1; /* force re-creat next time around */ + continue; + } + if (errno != EEXIST) + return LOCK_ERROR; +#ifndef X_NOT_POSIX + } +#endif + } + (void) sleep ((unsigned) timeout); + --retries; + } + return LOCK_TIMEOUT; +} -- cgit v1.2.3