mandoc/tag.c - diff

Return to tag.c CVS log

Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/tag.c between version 1.10 and 1.13

version 1.10, 2015/10/13 15:53:05

version 1.13, 2016/07/20 13:03:24

Line 1

/* $Id$ */

Line 36 struct tag_entry {

char s[];

};

static void tag_signal(int);

static void tag_signal(int) __attribute__((noreturn));

static struct ohash tag_data;

static struct tag_files tag_files;

Line 50 static struct tag_files tag_files;

struct tag_files *

tag_init(void)

{

struct sigaction sa;

int ofd;

ofd = -1;

tag_files.tfd = -1;

tag_files.tcpgid = -1;

/* Clean up when dying from a signal. */

memset(&sa, 0, sizeof(sa));

sigfillset(&sa.sa_mask);

sa.sa_handler = tag_signal;

sigaction(SIGHUP, &sa, NULL);

sigaction(SIGINT, &sa, NULL);

sigaction(SIGTERM, &sa, NULL);

* POSIX requires that a process calling tcsetpgrp(3)

* from the background gets a SIGTTOU signal.

* In that case, do not stop.

sa.sa_handler = SIG_IGN;

sigaction(SIGTTOU, &sa, NULL);

/* Save the original standard output for use by the pager. */

if ((tag_files.ofd = dup(STDOUT_FILENO)) == -1)

Line 66 tag_init(void)

Line 86 tag_init(void)

sizeof(tag_files.ofn));

(void)strlcpy(tag_files.tfn, "/tmp/man.XXXXXXXXXX",

sizeof(tag_files.tfn));

signal(SIGHUP, tag_signal);

signal(SIGINT, tag_signal);

signal(SIGTERM, tag_signal);

if ((ofd = mkstemp(tag_files.ofn)) == -1)

goto fail;

if ((tag_files.tfd = mkstemp(tag_files.tfn)) == -1)

Line 156 tag_write(void)

Line 173 tag_write(void)

void

tag_unlink(void)

{

pid_t tc_pgid;

if (tag_files.tcpgid != -1) {

tc_pgid = tcgetpgrp(STDIN_FILENO);

if (tc_pgid == tag_files.pager_pid ||

tc_pgid == getpgid(0) ||

getpgid(tc_pgid) == -1)

(void)tcsetpgrp(STDIN_FILENO, tag_files.tcpgid);

}

if (*tag_files.ofn != '\0')

unlink(tag_files.ofn);

if (*tag_files.tfn != '\0')

Line 166 tag_unlink(void)

Line 191 tag_unlink(void)

static void

tag_signal(int signum)

{

struct sigaction sa;

tag_unlink();

signal(signum, SIG_DFL);

memset(&sa, 0, sizeof(sa));

sigemptyset(&sa.sa_mask);

sa.sa_handler = SIG_DFL;

sigaction(signum, &sa, NULL);

kill(getpid(), signum);

/* NOTREACHED */

_exit(1);

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