patches/uClibc/0.9.30.2/200-clean-up-O_CLOEXEC-handling.patch
changeset 1819 66fcfb3d6745
child 1886 6cebc65d4a55
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/patches/uClibc/0.9.30.2/200-clean-up-O_CLOEXEC-handling.patch	Sun Feb 28 11:50:15 2010 +0100
     1.3 @@ -0,0 +1,297 @@
     1.4 +From 74ca5695cd9913691192e075449b8be5794d50f0 Mon Sep 17 00:00:00 2001
     1.5 +From: Mike Frysinger <vapier@gentoo.org>
     1.6 +Date: Thu, 8 Oct 2009 02:51:55 +0000
     1.7 +Subject: [PATCH 12/15] clean up O_CLOEXEC handling
     1.8 +
     1.9 +Drop the "#ifndef O_CLOEXEC" cruft, enable O_CLOEXEC in most fcntl.h
    1.10 +headers, and import __ASSUME_O_CLOEXEC from glibc.
    1.11 +
    1.12 +Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    1.13 +Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
    1.14 +---
    1.15 + libc/pwd_grp/lckpwdf.c                     |    8 +++++++-
    1.16 + libc/sysdeps/linux/alpha/bits/fcntl.h      |    2 --
    1.17 + libc/sysdeps/linux/arm/bits/fcntl.h        |    2 --
    1.18 + libc/sysdeps/linux/avr32/bits/fcntl.h      |    1 +
    1.19 + libc/sysdeps/linux/bfin/bits/fcntl.h       |    2 ++
    1.20 + libc/sysdeps/linux/cris/bits/fcntl.h       |    1 +
    1.21 + libc/sysdeps/linux/frv/bits/fcntl.h        |    2 ++
    1.22 + libc/sysdeps/linux/hppa/bits/fcntl.h       |    1 +
    1.23 + libc/sysdeps/linux/i386/bits/fcntl.h       |    2 --
    1.24 + libc/sysdeps/linux/ia64/bits/fcntl.h       |    2 --
    1.25 + libc/sysdeps/linux/m68k/bits/fcntl.h       |    1 +
    1.26 + libc/sysdeps/linux/microblaze/bits/fcntl.h |    2 ++
    1.27 + libc/sysdeps/linux/mips/bits/fcntl.h       |    1 +
    1.28 + libc/sysdeps/linux/powerpc/bits/fcntl.h    |    2 --
    1.29 + libc/sysdeps/linux/sh/bits/fcntl.h         |    2 --
    1.30 + libc/sysdeps/linux/sh64/bits/fcntl.h       |    2 ++
    1.31 + libc/sysdeps/linux/sparc/bits/fcntl.h      |    2 --
    1.32 + libc/sysdeps/linux/x86_64/bits/fcntl.h     |    2 --
    1.33 + libc/sysdeps/linux/xtensa/bits/fcntl.h     |    1 +
    1.34 + 19 files changed, 21 insertions(+), 17 deletions(-)
    1.35 +
    1.36 +diff --git a/libc/pwd_grp/lckpwdf.c b/libc/pwd_grp/lckpwdf.c
    1.37 +index 0b0fb47..aec6283 100644
    1.38 +--- a/libc/pwd_grp/lckpwdf.c
    1.39 ++++ b/libc/pwd_grp/lckpwdf.c
    1.40 +@@ -75,7 +75,7 @@ lckpwdf (void)
    1.41 +   /* Prevent problems caused by multiple threads.  */
    1.42 +   __UCLIBC_MUTEX_LOCK(mylock);
    1.43 + 
    1.44 +-  lock_fd = open (_PATH_PASSWD, O_WRONLY);
    1.45 ++  lock_fd = open (_PATH_PASSWD, O_WRONLY | O_CLOEXEC);
    1.46 +   if (lock_fd == -1) {
    1.47 +     /* Cannot create lock file.  */
    1.48 + 	goto DONE;
    1.49 +@@ -97,6 +97,12 @@ lckpwdf (void)
    1.50 + 	goto DONE;
    1.51 +   }
    1.52 + 
    1.53 ++#ifndef __ASSUME_O_CLOEXEC
    1.54 ++    /* Make sure file gets correctly closed when process finished.  */
    1.55 ++   fcntl (lock_fd, F_SETFD, FD_CLOEXEC);
    1.56 ++#endif
    1.57 ++
    1.58 ++
    1.59 +   /* Now we have to get exclusive write access.  Since multiple
    1.60 +      process could try this we won't stop when it first fails.
    1.61 +      Instead we set a timeout for the system call.  Once the timer
    1.62 +diff --git a/libc/sysdeps/linux/alpha/bits/fcntl.h b/libc/sysdeps/linux/alpha/bits/fcntl.h
    1.63 +index 2a6b9ea..649c563 100644
    1.64 +--- a/libc/sysdeps/linux/alpha/bits/fcntl.h
    1.65 ++++ b/libc/sysdeps/linux/alpha/bits/fcntl.h
    1.66 +@@ -50,9 +50,7 @@
    1.67 + # define O_NOFOLLOW	0200000	/* Do not follow links.  */
    1.68 + # define O_DIRECT	02000000 /* Direct disk access.  */
    1.69 + # define O_NOATIME	04000000 /* Do not set atime.  */
    1.70 +-# if 0
    1.71 + # define O_CLOEXEC      010000000 /* Set close_on_exec.  */
    1.72 +-# endif
    1.73 + #endif
    1.74 + 
    1.75 + #ifdef __USE_LARGEFILE64
    1.76 +diff --git a/libc/sysdeps/linux/arm/bits/fcntl.h b/libc/sysdeps/linux/arm/bits/fcntl.h
    1.77 +index 86cea4b..7cc5a9d 100644
    1.78 +--- a/libc/sysdeps/linux/arm/bits/fcntl.h
    1.79 ++++ b/libc/sysdeps/linux/arm/bits/fcntl.h
    1.80 +@@ -50,9 +50,7 @@
    1.81 + # define O_NOFOLLOW	0100000	/* Do not follow links.	 */
    1.82 + # define O_DIRECT	0200000	/* Direct disk access.	*/
    1.83 + # define O_NOATIME     01000000 /* Do not set atime.  */
    1.84 +-# if 0
    1.85 + # define O_CLOEXEC     02000000 /* Set close_on_exec.  */
    1.86 +-# endif
    1.87 + #endif
    1.88 + 
    1.89 + /* For now Linux has synchronisity options for data and read operations.
    1.90 +diff --git a/libc/sysdeps/linux/avr32/bits/fcntl.h b/libc/sysdeps/linux/avr32/bits/fcntl.h
    1.91 +index 2301e22..767243e 100644
    1.92 +--- a/libc/sysdeps/linux/avr32/bits/fcntl.h
    1.93 ++++ b/libc/sysdeps/linux/avr32/bits/fcntl.h
    1.94 +@@ -30,6 +30,7 @@
    1.95 + # define O_DIRECTORY	00200000	/* direct disk access */
    1.96 + # define O_NOFOLLOW	00400000	/* don't follow links */
    1.97 + # define O_NOATIME	01000000	/* don't set atime */
    1.98 ++# define O_CLOEXEC	02000000	/* set close_on_exec */
    1.99 + #endif
   1.100 + 
   1.101 + #ifdef __USE_LARGEFILE64
   1.102 +diff --git a/libc/sysdeps/linux/bfin/bits/fcntl.h b/libc/sysdeps/linux/bfin/bits/fcntl.h
   1.103 +index 7d0bcf9..aabf94d 100644
   1.104 +--- a/libc/sysdeps/linux/bfin/bits/fcntl.h
   1.105 ++++ b/libc/sysdeps/linux/bfin/bits/fcntl.h
   1.106 +@@ -48,6 +48,8 @@
   1.107 + # define O_DIRECTORY	 040000	/* Must be a directory.	 */
   1.108 + # define O_NOFOLLOW	0100000	/* Do not follow links.	 */
   1.109 + # define O_DIRECT	0200000	/* Direct disk access.	*/
   1.110 ++# define O_NOATIME     01000000 /* don't set atime */
   1.111 ++# define O_CLOEXEC     02000000 /* set close_on_exec *
   1.112 + #endif
   1.113 + 
   1.114 + /* For now Linux has synchronisity options for data and read operations.
   1.115 +diff --git a/libc/sysdeps/linux/cris/bits/fcntl.h b/libc/sysdeps/linux/cris/bits/fcntl.h
   1.116 +index a2106ef..29443ba 100644
   1.117 +--- a/libc/sysdeps/linux/cris/bits/fcntl.h
   1.118 ++++ b/libc/sysdeps/linux/cris/bits/fcntl.h
   1.119 +@@ -50,6 +50,7 @@
   1.120 + # define O_DIRECTORY	0200000	/* Must be a directory.	 */
   1.121 + # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
   1.122 + # define O_NOATIME	01000000 /* Do not set atime.  */
   1.123 ++# define O_CLOEXEC	02000000 /* set close_on_exec */
   1.124 + #endif
   1.125 + 
   1.126 + /* For now Linux has synchronisity options for data and read operations.
   1.127 +diff --git a/libc/sysdeps/linux/frv/bits/fcntl.h b/libc/sysdeps/linux/frv/bits/fcntl.h
   1.128 +index 06e8860..5bff4d3 100644
   1.129 +--- a/libc/sysdeps/linux/frv/bits/fcntl.h
   1.130 ++++ b/libc/sysdeps/linux/frv/bits/fcntl.h
   1.131 +@@ -45,6 +45,8 @@
   1.132 + # define O_DIRECT	 040000	/* Direct disk access.  */
   1.133 + # define O_DIRECTORY	0200000	/* Must be a directory.  */
   1.134 + # define O_NOFOLLOW	0400000	/* Do not follow links.  */
   1.135 ++# define O_NOATIME     01000000 /* don't set atime */
   1.136 ++# define O_CLOEXEC     02000000 /* set close_on_exec */
   1.137 + #endif
   1.138 + 
   1.139 + /* For now Linux has synchronisity options for data and read operations.
   1.140 +diff --git a/libc/sysdeps/linux/hppa/bits/fcntl.h b/libc/sysdeps/linux/hppa/bits/fcntl.h
   1.141 +index cc23bf8..86e3b6f 100644
   1.142 +--- a/libc/sysdeps/linux/hppa/bits/fcntl.h
   1.143 ++++ b/libc/sysdeps/linux/hppa/bits/fcntl.h
   1.144 +@@ -50,6 +50,7 @@
   1.145 + # define O_DIRECTORY	00010000 /* Must be a directory. */
   1.146 + # define O_NOFOLLOW	00000200 /* Do not follow links. */
   1.147 + # define O_NOATIME	04000000 /* Do not set atime. */
   1.148 ++# define O_CLOEXEC	010000000 /* set close_on_exec */
   1.149 + #endif
   1.150 + 
   1.151 + #ifdef __USE_LARGEFILE64
   1.152 +diff --git a/libc/sysdeps/linux/i386/bits/fcntl.h b/libc/sysdeps/linux/i386/bits/fcntl.h
   1.153 +index 7f0b552..22e073b 100644
   1.154 +--- a/libc/sysdeps/linux/i386/bits/fcntl.h
   1.155 ++++ b/libc/sysdeps/linux/i386/bits/fcntl.h
   1.156 +@@ -50,9 +50,7 @@
   1.157 + # define O_DIRECTORY	0200000	/* Must be a directory.	 */
   1.158 + # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
   1.159 + # define O_NOATIME     01000000 /* Do not set atime.  */
   1.160 +-# if 0
   1.161 + # define O_CLOEXEC     02000000 /* Set close_on_exec.  */
   1.162 +-# endif
   1.163 + #endif
   1.164 + 
   1.165 + /* For now Linux has synchronisity options for data and read operations.
   1.166 +diff --git a/libc/sysdeps/linux/ia64/bits/fcntl.h b/libc/sysdeps/linux/ia64/bits/fcntl.h
   1.167 +index d134c4b..85a55f6 100644
   1.168 +--- a/libc/sysdeps/linux/ia64/bits/fcntl.h
   1.169 ++++ b/libc/sysdeps/linux/ia64/bits/fcntl.h
   1.170 +@@ -49,9 +49,7 @@
   1.171 + # define O_DIRECTORY	0200000	/* must be a directory */
   1.172 + # define O_NOFOLLOW	0400000 /* don't follow links */
   1.173 + # define O_NOATIME	01000000 /* Do not set atime.  */
   1.174 +-# if 0
   1.175 + # define O_CLOEXEC	02000000 /* Set close_on_exec.  */
   1.176 +-# endif
   1.177 + #endif
   1.178 + 
   1.179 + #ifdef __USE_LARGEFILE64
   1.180 +diff --git a/libc/sysdeps/linux/m68k/bits/fcntl.h b/libc/sysdeps/linux/m68k/bits/fcntl.h
   1.181 +index d36198d..e564b42 100644
   1.182 +--- a/libc/sysdeps/linux/m68k/bits/fcntl.h
   1.183 ++++ b/libc/sysdeps/linux/m68k/bits/fcntl.h
   1.184 +@@ -49,6 +49,7 @@
   1.185 + # define O_NOFOLLOW	0100000	/* Do not follow links.	 */
   1.186 + # define O_DIRECT	0200000	/* Direct disk access.	*/
   1.187 + # define O_NOATIME	01000000 /* Do not set atime.  */
   1.188 ++# define O_CLOEXEC	02000000 /* set close_on_exec */
   1.189 + #endif
   1.190 + 
   1.191 + /* For now Linux has synchronisity options for data and read operations.
   1.192 +diff --git a/libc/sysdeps/linux/microblaze/bits/fcntl.h b/libc/sysdeps/linux/microblaze/bits/fcntl.h
   1.193 +index c8aeb91..da35209 100644
   1.194 +--- a/libc/sysdeps/linux/microblaze/bits/fcntl.h
   1.195 ++++ b/libc/sysdeps/linux/microblaze/bits/fcntl.h
   1.196 +@@ -45,6 +45,8 @@
   1.197 + # define O_DIRECTORY	 040000	/* Must be a directory.	 */
   1.198 + # define O_NOFOLLOW	0100000	/* Do not follow links.	 */
   1.199 + # define O_DIRECT	0200000	/* Direct disk access.	*/
   1.200 ++# define O_NOATIME     01000000 /* Do not set atime.  */
   1.201 ++# define O_CLOEXEC     02000000 /* set close_on_exec */
   1.202 + #endif
   1.203 + 
   1.204 + /* For now Linux has synchronisity options for data and read operations.
   1.205 +diff --git a/libc/sysdeps/linux/mips/bits/fcntl.h b/libc/sysdeps/linux/mips/bits/fcntl.h
   1.206 +index ef015a4..f0072fd 100644
   1.207 +--- a/libc/sysdeps/linux/mips/bits/fcntl.h
   1.208 ++++ b/libc/sysdeps/linux/mips/bits/fcntl.h
   1.209 +@@ -51,6 +51,7 @@
   1.210 + # define O_DIRECT	0x8000	/* Direct disk access hint.  */
   1.211 + # define O_DIRECTORY	0x10000	/* Must be a directory.	 */
   1.212 + # define O_NOATIME	0x40000	/* Do not set atime.  */
   1.213 ++# define O_CLOEXEC	02000000 /* set close_on_exec */
   1.214 + #endif
   1.215 + 
   1.216 + /* For now Linux has no synchronisity options for data and read operations.
   1.217 +diff --git a/libc/sysdeps/linux/powerpc/bits/fcntl.h b/libc/sysdeps/linux/powerpc/bits/fcntl.h
   1.218 +index ceb75b4..0759c6a 100644
   1.219 +--- a/libc/sysdeps/linux/powerpc/bits/fcntl.h
   1.220 ++++ b/libc/sysdeps/linux/powerpc/bits/fcntl.h
   1.221 +@@ -50,9 +50,7 @@
   1.222 + # define O_DIRECTORY	 040000	/* Must be a directory.	 */
   1.223 + # define O_NOFOLLOW	0100000	/* Do not follow links.	 */
   1.224 + # define O_NOATIME	01000000 /* Do not set atime.  */
   1.225 +-# if 0
   1.226 + # define O_CLOEXEC	02000000 /* Set close_on_exec.  */
   1.227 +-# endif
   1.228 + #endif
   1.229 + 
   1.230 + #ifdef __USE_LARGEFILE64
   1.231 +diff --git a/libc/sysdeps/linux/sh/bits/fcntl.h b/libc/sysdeps/linux/sh/bits/fcntl.h
   1.232 +index 570484c..adb7377 100644
   1.233 +--- a/libc/sysdeps/linux/sh/bits/fcntl.h
   1.234 ++++ b/libc/sysdeps/linux/sh/bits/fcntl.h
   1.235 +@@ -50,9 +50,7 @@
   1.236 + # define O_DIRECTORY	0200000	/* Must be a directory.	 */
   1.237 + # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
   1.238 + # define O_NOATIME     01000000 /* Do not set atime.  */
   1.239 +-# if 0
   1.240 + # define O_CLOEXEC     02000000 /* Set close_on_exec.  */
   1.241 +-# endif
   1.242 + #endif
   1.243 + 
   1.244 + /* For now Linux has synchronisity options for data and read operations.
   1.245 +diff --git a/libc/sysdeps/linux/sh64/bits/fcntl.h b/libc/sysdeps/linux/sh64/bits/fcntl.h
   1.246 +index 06e8860..245d35a 100644
   1.247 +--- a/libc/sysdeps/linux/sh64/bits/fcntl.h
   1.248 ++++ b/libc/sysdeps/linux/sh64/bits/fcntl.h
   1.249 +@@ -45,6 +45,8 @@
   1.250 + # define O_DIRECT	 040000	/* Direct disk access.  */
   1.251 + # define O_DIRECTORY	0200000	/* Must be a directory.  */
   1.252 + # define O_NOFOLLOW	0400000	/* Do not follow links.  */
   1.253 ++# define O_NOATIME     01000000 /* Do not set atime.  */
   1.254 ++# define O_CLOEXEC     02000000 /* set close_on_exec */
   1.255 + #endif
   1.256 + 
   1.257 + /* For now Linux has synchronisity options for data and read operations.
   1.258 +diff --git a/libc/sysdeps/linux/sparc/bits/fcntl.h b/libc/sysdeps/linux/sparc/bits/fcntl.h
   1.259 +index 29c09a9..31a6d9b 100644
   1.260 +--- a/libc/sysdeps/linux/sparc/bits/fcntl.h
   1.261 ++++ b/libc/sysdeps/linux/sparc/bits/fcntl.h
   1.262 +@@ -49,9 +49,7 @@
   1.263 + # define O_NOFOLLOW	0x20000 /* don't follow links */
   1.264 + # define O_DIRECT	0x100000 /* direct disk access hint */
   1.265 + # define O_NOATIME	0x200000 /* Do not set atime.  */
   1.266 +-# if 0
   1.267 + # define O_CLOEXEC	0x400000 /* Set close_on_exit.  */
   1.268 +-# endif
   1.269 + #endif
   1.270 + 
   1.271 + #ifdef __USE_LARGEFILE64
   1.272 +diff --git a/libc/sysdeps/linux/x86_64/bits/fcntl.h b/libc/sysdeps/linux/x86_64/bits/fcntl.h
   1.273 +index be00e4a..f1cf388 100644
   1.274 +--- a/libc/sysdeps/linux/x86_64/bits/fcntl.h
   1.275 ++++ b/libc/sysdeps/linux/x86_64/bits/fcntl.h
   1.276 +@@ -50,9 +50,7 @@
   1.277 + # define O_DIRECTORY	0200000	/* Must be a directory.	 */
   1.278 + # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
   1.279 + # define O_NOATIME     01000000 /* Do not set atime.  */
   1.280 +-# if 0
   1.281 + # define O_CLOEXEC     02000000 /* Set close_on_exec.  */
   1.282 +-# endif
   1.283 + #endif
   1.284 + 
   1.285 + /* For now Linux has synchronisity options for data and read operations.
   1.286 +diff --git a/libc/sysdeps/linux/xtensa/bits/fcntl.h b/libc/sysdeps/linux/xtensa/bits/fcntl.h
   1.287 +index a89362e..921a626 100644
   1.288 +--- a/libc/sysdeps/linux/xtensa/bits/fcntl.h
   1.289 ++++ b/libc/sysdeps/linux/xtensa/bits/fcntl.h
   1.290 +@@ -50,6 +50,7 @@
   1.291 + # define O_DIRECTORY	0200000	/* Must be a directory.	 */
   1.292 + # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
   1.293 + # define O_NOATIME     01000000 /* Do not set atime.  */
   1.294 ++# define O_CLOEXEC     02000000 /* set close_on_exec */
   1.295 + #endif
   1.296 + 
   1.297 + /* For now Linux has synchronisity options for data and read operations.
   1.298 +-- 
   1.299 +1.6.6.1
   1.300 +