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c6d78c69 | 1 | // @(#)root/eve:$Id$ |
2 | // Author: Matevz Tadel 2007 | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
7 | * full copyright notice. * | |
8 | **************************************************************************/ | |
9 | ||
93624d6b | 10 | #include "AliChildProcTerminator.h" |
c6d78c69 | 11 | |
12 | #include <sys/wait.h> | |
d42184d7 | 13 | #include <signal.h> |
c6d78c69 | 14 | |
15 | //______________________________________________________________________________ | |
93624d6b | 16 | // Full description of AliChildProcTerminator |
c6d78c69 | 17 | // |
18 | ||
93624d6b | 19 | ClassImp(AliChildProcTerminator) |
c6d78c69 | 20 | |
93624d6b | 21 | AliChildProcTerminator* AliChildProcTerminator::fgTheOne = 0; |
c6d78c69 | 22 | |
93624d6b | 23 | AliChildProcTerminator* AliChildProcTerminator::Instance() |
c6d78c69 | 24 | { |
25 | if (fgTheOne == 0) | |
93624d6b | 26 | fgTheOne = new AliChildProcTerminator; |
c6d78c69 | 27 | return fgTheOne; |
28 | } | |
29 | ||
93624d6b | 30 | AliChildProcTerminator::AliChildProcTerminator() |
c6d78c69 | 31 | { |
32 | struct sigaction sac; | |
33 | sac.sa_handler = sig_handler; | |
34 | sigemptyset(&sac.sa_mask); | |
35 | sac.sa_flags = 0; | |
07f75a04 | 36 | |
37 | // The sa_restorer field is Not POSIX and obsolete. | |
38 | // This is for compilation on other systems | |
39 | #if defined(__linux) && \ | |
40 | (defined(__i386__) || defined(__x86_64__)) && \ | |
41 | defined(__GNUC__) | |
42 | sac.sa_restorer= NULL; | |
43 | #endif | |
44 | ||
c6d78c69 | 45 | sigaction(SIGCHLD, &sac, 0); |
46 | } | |
47 | ||
93624d6b | 48 | void AliChildProcTerminator::sig_handler(int /*sig*/) |
c6d78c69 | 49 | { |
50 | int status; | |
51 | pid_t pid = wait(&status); | |
93624d6b | 52 | Instance()->ChildProcTerm(pid, status); |
c6d78c69 | 53 | } |
54 | ||
93624d6b | 55 | void AliChildProcTerminator::ChildProcTerm(Int_t pid, Int_t status) |
c6d78c69 | 56 | { |
d2a137c1 | 57 | if (pid < 0) return; |
58 | ||
c6d78c69 | 59 | Long_t args[2]; |
60 | args[0] = (Long_t) pid; | |
61 | args[1] = (Long_t) status; | |
62 | ||
93624d6b | 63 | Emit("ChildProcTerm(Int_t,Int_t)", args); |
c6d78c69 | 64 | } |