shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2025-10-23 23:33:15 +03:00
Code Releases Activity

Make _init_rand() thread safe - use rand_r() instead of rand().

Browse Source 
Use good entropy for seed value if possible.
This commit is contained in:
Dave Wysochanski
2008-12-07 04:27:56 +00:00
parent 30e6773617
commit 647314d3cc
8 changed files with 21 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
lib/commands/toolcontext.c
View File

@@ -979,6 +979,14 @@ static int _init_backup(struct cmd_context *cmd)
return 1;
}
static void _init_rand(struct cmd_context *cmd)
{
if (read_urandom(&cmd->rand_seed, sizeof(cmd->rand_seed)))
return;
cmd->rand_seed = (unsigned) time(NULL) + (unsigned) getpid();
}
/* Entry point */
struct cmd_context *create_toolcontext(struct arg *the_args, unsigned is_static,
unsigned is_long_lived)
@@ -1077,6 +1085,8 @@ struct cmd_context *create_toolcontext(struct arg *the_args, unsigned is_static,
if (!_init_backup(cmd))
goto error;
_init_rand(cmd);
cmd->default_settings.cache_vgmetadata = 1;
cmd->current_settings = cmd->default_settings;