wait.c

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#include <sys/types.h>
#include <sys/wait.h>
#include "logmsg.h"
 
int wait_nohang(int *wstat)
{
  return waitpid(-1,wstat,WNOHANG);
}
 
int wait_pid(int *wstat,int pid)
{
  int r;
 
  do
    r = waitpid(pid,wstat,0);
  while ((r == -1) && (errno == EINTR));
  return r;
}