Listing 3. Explicitly Reaping the (dead) Child Process
/*
* Listing 3:
* Explicitly reaping the child:
* Ivan Griffin (ivan.griffin@ul.ie)
*/
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
void ReapChild(int pid);
struct sigaction reapAction =
{
ReapChild, /* SIG_DFL for default,
* SIG_IGN to ignore,
* else handler */
0, /* mask of signals to block
* during handler execution */
SA_RESTART, /* don't reset to default
* is raised */
NULL /* Not used-should be NULL */
};
int main(int argc, char *argv[])
{
/*
* somewhere in main code
*/
sigaction(SIGCHLD, &reapAction, NULL);
/*
* rest of code
*/
return 0;
}
void ReapChild(int pid)
{
int status;
wait(&status);
}
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