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This commit is contained in:
Jeff Hill
2002-10-30 02:18:37 +00:00
parent ccef3eddd2
commit e047408dc6
1 changed files with 44 additions and 43 deletions
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87
src/libCom/osi/os/posix/osdSignal.c
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@@ -35,22 +35,22 @@ static pSigFunc pReplacedSigUrgFunc;
static void localInstallSigIgnore ( int signalIn, pSigFunc pNewFunc,
pSigFunc * pReplacedFunc )
{
pSigFunc sigRet;
pSigFunc sigRet;
sigRet = signal ( signalIn, pNewFunc );
if ( sigRet == SIG_ERR ) {
fprintf (stderr, "%s replace of SIGPIPE failed beacuse %s\n",
__FILE__, strerror(errno));
}
else if ( sigRet != SIG_DFL && sigRet != SIG_IGN ) {
*pReplacedFunc = sigRet;
/*
* no infinite loops
*/
if ( *pReplacedFunc == pNewFunc ) {
*pReplacedFunc = NULL;
}
}
sigRet = signal ( signalIn, pNewFunc );
if ( sigRet == SIG_ERR ) {
fprintf (stderr, "%s replace of SIGPIPE failed beacuse %s\n",
__FILE__, strerror(errno));
}
else if ( sigRet != SIG_DFL && sigRet != SIG_IGN ) {
*pReplacedFunc = sigRet;
/*
* no infinite loops
*/
if ( *pReplacedFunc == pNewFunc ) {
*pReplacedFunc = NULL;
}
}
}
/*
@@ -60,14 +60,14 @@ static void localInstallSigIgnore ( int signalIn, pSigFunc pNewFunc,
*/
static void ignoreSigPipe ( int signal )
{
if ( pReplacedSigPipeFunc ) {
( *pReplacedSigPipeFunc ) ( signal );
}
/*
* some versios of unix reset to SIG_DFL
* each time that the signal occurs
*/
localInstallSigIgnore ( signal,
if ( pReplacedSigPipeFunc ) {
( *pReplacedSigPipeFunc ) ( signal );
}
/*
* some versios of unix reset to SIG_DFL
* each time that the signal occurs
*/
localInstallSigIgnore ( signal,
ignoreSigPipe, & pReplacedSigPipeFunc );
}
@@ -78,39 +78,40 @@ static void ignoreSigPipe ( int signal )
*/
static void ignoreSigUrg ( int signal )
{
if ( pReplacedSigUrgFunc ) {
( *pReplacedSigUrgFunc ) ( signal );
}
/*
* some versions of unix reset to SIG_DFL
* each time that the signal occurs
*/
localInstallSigIgnore ( signal,
if ( pReplacedSigUrgFunc ) {
( *pReplacedSigUrgFunc ) ( signal );
}
/*
* some versions of unix reset to SIG_DFL
* each time that the signal occurs
*/
localInstallSigIgnore ( signal,
ignoreSigUrg, & pReplacedSigUrgFunc );
}
/*
* epicsSignalInstallSigPipeIgnore ()
*/
epicsShareFunc void epicsShareAPI epicsSignalInstallSigPipeIgnore (void)
{
static int init;
if ( init ) {
return;
}
localInstallSigIgnore ( SIGPIPE,
static int init;
if ( init ) {
return;
}
localInstallSigIgnore ( SIGPIPE,
ignoreSigPipe, & pReplacedSigPipeFunc );
init = 1;
init = 1;
}
epicsShareFunc void epicsShareAPI epicsSignalInstallSigUrgIgnore ( void )
{
static int init;
if ( init ) {
return;
}
localInstallSigIgnore ( SIGURG,
static int init;
if ( init ) {
return;
}
localInstallSigIgnore ( SIGURG,
ignoreSigUrg, & pReplacedSigUrgFunc );
init = 1;
init = 1;
}
epicsShareFunc void epicsShareAPI epicsSignalRaiseSigUrg