Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-02 06:38:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Merge remote-tracking branch 'origin/topic/jsiwek/raw-exec-pgrp'

Browse source 
* origin/topic/jsiwek/raw-exec-pgrp:
  Kill raw input reader's child by process group.

BIT-1081 #merged
This commit is contained in:
Robin Sommer 2013-09-20 14:12:13 -07:00
commit 97cb04aae2
4 changed files with 19 additions and 21891 deletions
Download patch file Download diff file Expand all files Collapse all files

21887
CHANGES
View file

File diff suppressed because it is too large Load diff

1
Makefile
View file

@ -65,6 +65,7 @@ test:
test-all: test
test -d aux/broctl && ( cd aux/broctl && make test )
test -d aux/btest && ( cd aux/btest && make test )
configured:
@test -d $(BUILD) || ( echo "Error: No build/ directory found. Did you run configure?" && exit 1 )

2
VERSION
View file

@ -1 +1 @@
2.1-1368
2.1-1370

20
src/input/readers/Raw.cc
View file

@ -73,15 +73,15 @@ void Raw::DoClose()
if ( execute && childpid > 0 && kill(childpid, 0) == 0 )
{
// kill child process
kill(childpid, SIGTERM);
// Kill child process group.
kill(-childpid, SIGTERM);
if ( forcekill )
{
usleep(200); // 200 msecs should be enough for anyone ;)
if ( kill(childpid, 0) == 0 ) // perhaps it is already gone
kill(childpid, SIGKILL);
kill(-childpid, SIGKILL);
}
}
}
@ -146,6 +146,11 @@ bool Raw::Execute()
else if ( childpid == 0 )
{
// we are the child.
// Obtain a process group w/ child's PID.
if ( setpgid(0, 0) == -1 )
_exit(251);
close(pipes[stdout_in]);
if ( dup2(pipes[stdout_out], stdout_fileno) == -1 )
_exit(252);
@ -180,6 +185,15 @@ bool Raw::Execute()
else
{
// we are the parent
// Parent also sets child process group immediately to avoid a race.
if ( setpgid(childpid, childpid) == -1 )
{
char buf[256];
strerror_r(errno, buf, sizeof(buf));
Warning(Fmt("Could not set child process group: %s", buf));
}
if ( ! UnlockForkMutex() )
return false;