diff options
Diffstat (limited to 'main/dconf/0001-Avoid-posix_fallocate-so-it-works-on-uClibc.patch')
| -rw-r--r-- | main/dconf/0001-Avoid-posix_fallocate-so-it-works-on-uClibc.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/main/dconf/0001-Avoid-posix_fallocate-so-it-works-on-uClibc.patch b/main/dconf/0001-Avoid-posix_fallocate-so-it-works-on-uClibc.patch new file mode 100644 index 0000000000..5317b39c96 --- /dev/null +++ b/main/dconf/0001-Avoid-posix_fallocate-so-it-works-on-uClibc.patch @@ -0,0 +1,36 @@ +From e6d875ff19ba7f23e68a2131d9abe2de3f39d001 Mon Sep 17 00:00:00 2001 +From: Natanael Copa <ncopa@alpinelinux.org> +Date: Sat, 9 Oct 2010 20:34:08 +0000 +Subject: [PATCH] Avoid posix_fallocate() so it works on uClibc + +It seems like the possix_fallocate() does not need to be provided on +all implementations (see "Application Usage" in +http://www.opengroup.org/onlinepubs/009695399/functions/posix_fallocate.html ) + +I'm not too familiar with the code but it looks like _DConfEngine->shm +is a mmap to a file with 1 char size. If thats the case then something +like this would work: +--- + engine/dconf-engine.c | 6 +++++- + 1 files changed, 5 insertions(+), 1 deletions(-) + +diff --git a/engine/dconf-engine.c b/engine/dconf-engine.c +index cf57431..8eb3fa7 100644 +--- a/engine/dconf-engine.c ++++ b/engine/dconf-engine.c +@@ -144,7 +144,11 @@ dconf_engine_setup_user (DConfEngine *engine) + + if (fd >= 0) + { +- if (posix_fallocate (fd, 0, 1) == 0) ++ struct stat st; ++ int r = fstat(fd, &st); ++ if (r == 0 && st.st_size == 0) ++ r = write(fd, "", 1); ++ if (r == 0) + { + engine->shm = mmap (NULL, 1, PROT_READ, MAP_SHARED, fd, 0); + +-- +1.7.3.1 + |