proxmox-mirrors/mirror_lxc
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_lxc synced 2025-08-06 02:54:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

use lxc_mmap() and lxc_munmap()

Browse Source 
Signed-off-by: Christian Brauner <christian.brauner@mailbox.org>
This commit is contained in:
Christian Brauner 2016-03-27 18:42:24 +02:00
parent 1adbd02064
commit aeea34d709
1 changed files with 2 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/lxc/lxccontainer.c
View File

@ -2163,13 +2163,8 @@ static bool mod_rdep(struct lxc_container *c0, struct lxc_container *c, bool inc
}
if (fbuf.st_size != 0) {
/* write terminating \0-byte to file */
if (pwrite(fd, "", 1, fbuf.st_size) <= 0) {
close(fd);
goto out;
}
buf = mmap(NULL, fbuf.st_size + 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
buf = lxc_mmap(NULL, fbuf.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (buf == MAP_FAILED) {
SYSERROR("Failed to create mapping %s", path);
close(fd);
@ -2182,7 +2177,7 @@ static bool mod_rdep(struct lxc_container *c0, struct lxc_container *c, bool inc
bytes += len;
}
munmap(buf, fbuf.st_size + 1);
lxc_munmap(buf, fbuf.st_size);
if (ftruncate(fd, fbuf.st_size - bytes) < 0) {
SYSERROR("Failed to truncate file %s", path);
close(fd);