cant block sigcld globally cause qt needs it

This commit is contained in:
dockes 2007-05-23 08:28:35 +00:00
parent 8e51cf42d3
commit 73a7e3770e
2 changed files with 12 additions and 7 deletions

View File

@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: rclinit.cpp,v 1.9 2007-05-21 13:30:21 dockes Exp $ (C) 2004 J.F.Dockes";
static char rcsid[] = "@(#$Id: rclinit.cpp,v 1.10 2007-05-23 08:28:35 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@ -41,12 +41,10 @@ RclConfig *recollinit(RclInitFlags flags,
// must check write() return values.
signal(SIGPIPE, SIG_IGN);
// We block SIGCLD globally. We intend to properly wait for our children
sigset_t sset;
sigemptyset(&sset);
sigaddset(&sset, SIGCHLD);
pthread_sigmask(SIG_BLOCK, &sset, 0);
// We would like to block SIGCHLD globally, but we can't because
// QT uses it. Have to block it inside execmd.cpp
// Install signal handler
if (sigcleanup) {
for (unsigned int i = 0; i < sizeof(catchedSigs) / sizeof(int); i++)
if (signal(catchedSigs[i], SIG_IGN) != SIG_IGN)

View File

@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: execmd.cpp,v 1.23 2007-05-21 13:30:22 dockes Exp $ (C) 2004 J.F.Dockes";
static char rcsid[] = "@(#$Id: execmd.cpp,v 1.24 2007-05-23 08:28:35 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@ -180,6 +180,11 @@ int ExecCmd::doexec(const string &cmd, const list<string>& args,
if (e.pid) {
// Father process
sigset_t blkcld;
sigemptyset(&blkcld);
sigaddset(&blkcld, SIGCHLD);
pthread_sigmask(SIG_BLOCK, &blkcld, 0);
if (input) {
close(e.pipein[0]);
e.pipein[0] = -1;
@ -280,6 +285,8 @@ int ExecCmd::doexec(const string &cmd, const list<string>& args,
e.pid = -1;
}
LOGDEB1(("ExecCmd::doexec: father got status 0x%x\n", status));
pthread_sigmask(SIG_UNBLOCK, &blkcld, 0);
return haderror ? -1 : status;
} else {