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rollback lock files on more signals than just SIGINT

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Other signals are also common, for example SIGTERM and SIGHUP.
This patch modifies the lock file mechanism to catch more signals.
It also modifies http-push.c which was missing SIGTERM.

Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Paolo Bonzini 2008-05-29 16:55:53 +02:00 committed by Junio C Hamano
parent c16570c42a
commit ad5fa3cc0e
3 changed files with 18 additions and 0 deletions
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1
http-push.c
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@ -2277,6 +2277,7 @@ int main(int argc, char **argv)
signal(SIGINT, remove_locks_on_signal);
signal(SIGHUP, remove_locks_on_signal);
signal(SIGQUIT, remove_locks_on_signal);
signal(SIGTERM, remove_locks_on_signal);
/* Check whether the remote has server info files */
remote->can_update_info_refs = 0;

3
lockfile.c
View file

@ -135,6 +135,9 @@ static int lock_file(struct lock_file *lk, const char *path)
if (0 <= lk->fd) {
if (!lock_file_list) {
signal(SIGINT, remove_lock_file_on_signal);
signal(SIGHUP, remove_lock_file_on_signal);
signal(SIGTERM, remove_lock_file_on_signal);
signal(SIGQUIT, remove_lock_file_on_signal);
atexit(remove_lock_file);
}
lk->owner = getpid();

14
t/t7502-commit.sh
View file

@ -212,4 +212,18 @@ test_expect_success 'do not fire editor in the presence of conflicts' '
test "`cat .git/result`" = "editor not started"
'
pwd=`pwd`
cat > .git/FAKE_EDITOR << EOF
#! /bin/sh
# kill -TERM command added below.
EOF
test_expect_success 'a SIGTERM should break locks' '
echo >>negative &&
sh -c '\''
echo kill -TERM $$ >> .git/FAKE_EDITOR
GIT_EDITOR=.git/FAKE_EDITOR exec git commit -a'\'' && exit 1 # should fail
! test -f .git/index.lock
'
test_done