src/usr.bin/mandoc/main.c - diff

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version 1.171, 2016/04/13 12:26:21

version 1.172, 2016/04/14 20:54:15

Line 32

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include <unistd.h>

#include "mandoc_aux.h"

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static pid_t

spawn_pager(struct tag_files *tag_files)

{

const struct timespec timeout = { 0, 100000000 }; /* 0.1s */

#define MAX_PAGER_ARGS 16

char *argv[MAX_PAGER_ARGS];

const char *pager;

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case -1:

err((int)MANDOCLEVEL_SYSERR, "fork");

case 0:

/* Set pgrp in both parent and child to avoid racing exec. */

(void)setpgid(0, 0);

break;

default:

(void)setpgid(pager_pid, 0);

Line 1042

err((int)MANDOCLEVEL_SYSERR, "pager stdout");

close(tag_files->ofd);

close(tag_files->tfd);

/* Do not start the pager before controlling the terminal. */

while (tcgetpgrp(STDIN_FILENO) != getpid())

nanosleep(&timeout, NULL);

execvp(argv[0], argv);

err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);

}