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authorYann Ylavic <ylavic@apache.org>2018-08-29 14:27:31 +0200
committerYann Ylavic <ylavic@apache.org>2018-08-29 14:27:31 +0200
commit972ad6c66d7f67c847ada45c050e031a88774489 (patch)
tree0f4c1291eaaf3a3fb1b63f0511d67793ed25e174 /server/mpm/winnt
parentmod_proxy: follow up to r1645529: 502 in case of SSL handshake failure. (diff)
downloadapache2-972ad6c66d7f67c847ada45c050e031a88774489.tar.xz
apache2-972ad6c66d7f67c847ada45c050e031a88774489.zip
MPMs: early initialize scoreboard's child generation number.
Since [mpm]_note_child_killed uses the scoreboard's generation number for child_status hook (MPM_CHILD_EXITED), we must initialize it early (i.e. in [mpm]_note_child_started where MPM_CHILD_STARTED is set) to avoid race conditions on restart (e.g. storm/loop of restarts) leading to AH00546. PR 62658. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1839571 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'server/mpm/winnt')
-rw-r--r--server/mpm/winnt/mpm_winnt.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/server/mpm/winnt/mpm_winnt.c b/server/mpm/winnt/mpm_winnt.c
index 0ca2ad3362..6ef00fa5fc 100644
--- a/server/mpm/winnt/mpm_winnt.c
+++ b/server/mpm/winnt/mpm_winnt.c
@@ -139,6 +139,7 @@ AP_INIT_TAKE1("ThreadLimit", set_thread_limit, NULL, RSRC_CONF,
static void winnt_note_child_started(int slot, pid_t pid)
{
ap_scoreboard_image->parent[slot].pid = pid;
+ ap_scoreboard_image->parent[slot].generation = my_generation;
ap_run_child_status(ap_server_conf,
ap_scoreboard_image->parent[slot].pid,
my_generation, slot, MPM_CHILD_STARTED);