blob: ff7e5c1a07e37ea424c0c95158439cc574e62d75 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
# This script is used to read a single character from CRIU's status FD.
# That way we know when the CRIU service is ready. CRIU writes a \0 to
# the status FD.
# In theory this could be easily done using 'read -n 1' from bash, but
# but the bash version on Ubuntu has probably the following bug:
# https://lists.gnu.org/archive/html/bug-bash/2017-07/msg00039.html
import sys
f = open(sys.argv[1])
r = f.read(1)
f.close()
if r == '\0':
sys.exit(0)
sys.exit(-1)
|
