static pid_t CreatePipeAndFork(char *type, int *pd)
{
pid_t pid = -1;
if (((*type != 'r') && (*type != 'w')) || (type[1] != '\0'))
{
errno = EINVAL;
return -1;
}
if (!InitChildrenFD())
{
return -1;
}
if (pipe(pd) < 0) /* Create a pair of descriptors to this process */
{
return -1;
}
if ((pid = fork()) == -1)
{
close(pd[0]);
close(pd[1]);
return -1;
}
signal(SIGCHLD, SIG_DFL);
ALARM_PID = (pid != 0 ? pid : -1);
return pid;
}
static pid_t CreatePipeAndFork(const char *type, int *pd)
{
pid_t pid = -1;
if (!PipeTypeIsOk(type))
{
errno = EINVAL;
return -1;
}
if (!InitChildrenFD())
{
return -1;
}
if (pipe(pd) < 0) /* Create a pair of descriptors to this process */
{
return -1;
}
if ((pid = fork()) == -1)
{
close(pd[0]);
close(pd[1]);
return -1;
}
signal(SIGCHLD, SIG_DFL);
// Redmine #2971: reset SIGPIPE signal handler to have a sane behavior of piped commands within child
if (pid == 0)
{
signal(SIGPIPE, SIG_DFL);
}
ALARM_PID = (pid != 0 ? pid : -1);
return pid;
}
