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authorColin Watson <cjwatson@debian.org>2014-02-09 16:10:17 +0000
committerColin Watson <cjwatson@debian.org>2016-12-26 00:56:00 +0000
commite6e10c563bbe69426d5074b0b97e2a9b0b4b3b49 (patch)
tree1cda242fb8d1952937d3a41355ade5bd4d9ce697 /sshd.c
parent7e6bb45ce4ead0e3256d1741e0020bc5d4e6a09b (diff)
Support synchronisation with service supervisor using SIGSTOP
Author: Robie Basak <robie.basak@ubuntu.com> Forwarded: no Last-Update: 2014-04-14 Patch-Name: sigstop.patch
Diffstat (limited to 'sshd.c')
-rw-r--r--sshd.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sshd.c b/sshd.c
index 747beec8f..414e19eed 100644
--- a/sshd.c
+++ b/sshd.c
@@ -1878,6 +1878,16 @@ main(int ac, char **av)
1878 } 1878 }
1879 } 1879 }
1880 1880
1881 if (getenv("SSH_SIGSTOP")) {
1882 /* Tell service supervisor that we are ready. */
1883 kill(getpid(), SIGSTOP);
1884 /* The service supervisor only ever expects a single
1885 * STOP signal, so do not ever signal it again, even
1886 * in the case of a re-exec or future children.
1887 */
1888 unsetenv("SSH_SIGSTOP");
1889 }
1890
1881 /* Accept a connection and return in a forked child */ 1891 /* Accept a connection and return in a forked child */
1882 server_accept_loop(&sock_in, &sock_out, 1892 server_accept_loop(&sock_in, &sock_out,
1883 &newsock, config_s); 1893 &newsock, config_s);