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Avanti con le code di messaggi.
[gapil.git]
/
sources
/
SigHand.c
diff --git
a/sources/SigHand.c
b/sources/SigHand.c
index 53d185a08f50be41176c66ac1683fa2c2e840b0e..6b2cf95cf338ba4ae74ed25692c05b01f35aa362 100644
(file)
--- a/
sources/SigHand.c
+++ b/
sources/SigHand.c
@@
-22,7
+22,7
@@
*
* Author: S. Piccardi Dec. 2002
*
*
* Author: S. Piccardi Dec. 2002
*
- * $Id: SigHand.c,v 1.
2 2002/12/03 22:30:11
piccardi Exp $
+ * $Id: SigHand.c,v 1.
3 2002/12/11 00:51:38
piccardi Exp $
*
*****************************************************************************/
#include <errno.h> /* error simbol definitions */
*
*****************************************************************************/
#include <errno.h> /* error simbol definitions */
@@
-49,17
+49,15
@@
inline SigFunc * Signal(int signo, SigFunc *func)
{
struct sigaction new_handl, old_handl;
inline SigFunc * Signal(int signo, SigFunc *func)
{
struct sigaction new_handl, old_handl;
- new_handl.sa_handler
=func;
+ new_handl.sa_handler
= func; /* set signal handler */
/* clear signal mask: no signal blocked during execution of func */
/* clear signal mask: no signal blocked during execution of func */
- if (sigemptyset(&new_handl.sa_mask)!=0){ /* initialize signal set */
- perror("cannot initializes the signal set to empty"); /* see mess. */
- exit(1);
+ if (sigemptyset(&new_handl.sa_mask)!=0){ /* initialize signal set */
+ return SIG_ERR;
}
}
- new_handl.sa_flags=0; /* init to 0 all flags */
+ new_handl.sa_flags=0;
/* init to 0 all flags */
/* change action for signo signal */
if (sigaction(signo,&new_handl,&old_handl)){
/* change action for signo signal */
if (sigaction(signo,&new_handl,&old_handl)){
- perror("sigaction failed on signal action setting");
- exit(1);
+ return SIG_ERR;
}
return (old_handl.sa_handler);
}
}
return (old_handl.sa_handler);
}
@@
-68,7
+66,7
@@
inline SigFunc * Signal(int signo, SigFunc *func)
* Generic handler for SIGCHLD signal
*
* Simone Piccardi Dec. 2002
* Generic handler for SIGCHLD signal
*
* Simone Piccardi Dec. 2002
- * $Id: SigHand.c,v 1.
2 2002/12/03 22:30:11
piccardi Exp $
+ * $Id: SigHand.c,v 1.
3 2002/12/11 00:51:38
piccardi Exp $
*/
void HandSigCHLD(int sig)
{
*/
void HandSigCHLD(int sig)
{