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Reset ignored signals after forkpty.

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This commit is contained in:
Nicholas Marriott
2007-09-20 09:43:33 +00:00
parent 9c0b51cd5d
commit 2cd99f0ebb
6 changed files with 44 additions and 13 deletions
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27
window.c
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@ -1,4 +1,4 @@
/* $Id: window.c,v 1.6 2007-09-19 16:00:55 nicm Exp $ */
/* $Id: window.c,v 1.7 2007-09-20 09:43:33 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -24,7 +24,6 @@
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#define TTYDEFCHARS
#include <termios.h>
#include <unistd.h>
#include <util.h>
@ -58,6 +57,7 @@ window_create(const char *cmd, u_int sx, u_int sy)
struct window *w;
struct winsize ws;
struct termios tio;
struct sigaction act;
int fd, mode;
char pid[16], *ptr, *name;
@ -84,6 +84,29 @@ window_create(const char *cmd, u_int sx, u_int sy)
fatal("setenv failed");
log_close();
memset(&act, 0, sizeof act);
sigemptyset(&act.sa_mask);
act.sa_handler = SIG_DFL;
if (sigaction(SIGPIPE, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR1, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR2, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGINT, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTSTP, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGQUIT, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGWINCH, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTERM, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGCHLD, &act, NULL) != 0)
fatal("sigaction failed");
execl(_PATH_BSHELL, "sh", "-c", cmd, (char *) NULL);
fatal("execl failed");
}