- if (!do_resize) {
- kill(pid, SIGINT);
- do_resize = 1;
- }
-}
-
-static int exec_conf(void)
-{
- int pipefd[2], stat, size;
- struct sigaction sa;
- sigset_t sset, osset;
-
- sigemptyset(&sset);
- sigaddset(&sset, SIGINT);
- sigprocmask(SIG_BLOCK, &sset, &osset);
-
- signal(SIGINT, SIG_DFL);
-
- sa.sa_handler = winch_handler;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_RESTART;
- sigaction(SIGWINCH, &sa, NULL);
-
- *argptr++ = NULL;
-
- pipe(pipefd);
- pid = fork();
- if (pid == 0) {
- sigprocmask(SIG_SETMASK, &osset, NULL);
- dup2(pipefd[1], 2);
- close(pipefd[0]);
- close(pipefd[1]);
- execv(args[0], args);
- _exit(EXIT_FAILURE);
- }
-
- close(pipefd[1]);
- bufptr = input_buf;
- while (1) {
- size = input_buf + sizeof(input_buf) - bufptr;
- size = read(pipefd[0], bufptr, size);
- if (size <= 0) {
- if (size < 0) {
- if (errno == EINTR || errno == EAGAIN)
- continue;
- perror("read");
- }
- break;
- }
- bufptr += size;
- }
- *bufptr++ = 0;
- close(pipefd[0]);
- waitpid(pid, &stat, 0);
-
- if (do_resize) {
- init_wsize();
- do_resize = 0;
- sigprocmask(SIG_SETMASK, &osset, NULL);
- return -1;
- }
- if (WIFSIGNALED(stat)) {
- printf("\finterrupted(%d)\n", WTERMSIG(stat));
- exit(1);
- }
-#if 0
- printf("\fexit state: %d\nexit data: '%s'\n", WEXITSTATUS(stat), input_buf);
- sleep(1);
-#endif
- sigpending(&sset);
- if (sigismember(&sset, SIGINT)) {
- printf("\finterrupted\n");
- exit(1);
- }
- sigprocmask(SIG_SETMASK, &osset, NULL);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff