JehanneOS/mksh
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implement “live” SIGWINCH handling in the Emacs editing mode

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for winstonw from IRC #!/bin/mksh
This commit is contained in:
tg
2010-07-04 17:45:17 +00:00
parent e520cee572
commit 30046ffcf2
8 changed files with 88 additions and 31 deletions
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21
main.c
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@ -33,7 +33,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.166 2010/07/04 17:33:55 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.167 2010/07/04 17:45:15 tg Exp $");
extern char **environ;
@ -54,6 +54,9 @@ static void reclaim(void);
static void remove_temps(struct temp *);
void chvt_reinit(void);
Source *mksh_init(int, const char *[]);
#ifdef SIGWINCH
static void x_sigwinch(int);
#endif
static const char initifs[] = "IFS= \t\n";
@ -399,6 +402,12 @@ mksh_init(int argc, const char *argv[])
x_init();
}
#ifdef SIGWINCH
sigtraps[SIGWINCH].flags |= TF_SHELL_USES;
setsig(&sigtraps[SIGWINCH], x_sigwinch,
SS_RESTORE_ORIG|SS_FORCE|SS_SHTRAP);
#endif
l = e->loc;
l->argv = &argv[argi - 1];
l->argc = argc - argi;
@ -1459,3 +1468,13 @@ ktsort(struct table *tp)
p[i] = NULL;
return (p);
}
#ifdef SIGWINCH
static void
x_sigwinch(int sig MKSH_A_UNUSED)
{
/* this runs inside interrupt context, with errno saved */
got_winch = 1;
}
#endif