diff options
Diffstat (limited to 'kinit')
| -rw-r--r-- | kinit/start_kdeinit.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/kinit/start_kdeinit.c b/kinit/start_kdeinit.c index 722f3e97f..a86b366e5 100644 --- a/kinit/start_kdeinit.c +++ b/kinit/start_kdeinit.c @@ -44,11 +44,30 @@ static int set_protection( pid_t pid, int enable ) { char buf[ 1024 ]; int procfile; + struct stat st; + + /* Newer kernels (noticed in 2.6.36) */ + sprintf( buf, "/proc/%d/oom_score_adj", pid ); + if ( lstat (buf, &st) == 0) { + if( !enable ) { + /* Be paranoid and check that the pid we got from the pipe + belongs to this user. */ + if( st.st_uid != getuid()) + return 0; + } + procfile = open(buf, O_WRONLY); + if( enable ) + write( procfile, "-300", sizeof( "-300" )); + else + write( procfile, "0", sizeof( "0" )); + close( procfile ); + return 1; + } + sprintf( buf, "/proc/%d/stat", pid ); if( !enable ) { /* Be paranoid and check that the pid we got from the pipe belongs to this user. */ - struct stat st; if( lstat( buf, &st ) < 0 || st.st_uid != getuid()) return 0; } |