JehanneOS/mksh
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use _setjmp/_longjmp on NeXTstep: its Intel port always restores the signal mask on siglongjmp, which we never have

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tg
2012-03-31 17:30:00 +00:00
parent 86c4ea4619
commit e67b98e21b
5 changed files with 67 additions and 69 deletions
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89
main.c
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@@ -34,7 +34,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.213 2012/03/31 17:08:52 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.214 2012/03/31 17:30:00 tg Exp $");
extern char **environ;
@@ -652,8 +652,7 @@ include(const char *name, int argc, const char **argv, int intr_ok)
old_argc = 0;
}
newenv(E_INCL);
i = sigsetjmp(e->jbuf, 0);
if (i) {
if ((i = kshsetjmp(e->jbuf))) {
quitenv(s ? s->u.shf : NULL);
if (old_argv) {
e->loc->argv = old_argv;
@@ -728,49 +727,47 @@ shell(Source * volatile s, volatile int toplevel)
newenv(E_PARSE);
if (interactive)
really_exit = 0;
i = sigsetjmp(e->jbuf, 0);
if (i) {
switch (i) {
case LINTR:
/* we get here if SIGINT not caught or ignored */
case LERROR:
case LSHELL:
if (interactive) {
if (i == LINTR)
shellf("\n");
/*
* Reset any eof that was read as part of a
* multiline command.
*/
if (Flag(FIGNOREEOF) && s->type == SEOF &&
wastty)
s->type = SSTDIN;
/*
* Used by exit command to get back to
* top level shell. Kind of strange since
* interactive is set if we are reading from
* a tty, but to have stopped jobs, one only
* needs FMONITOR set (not FTALKING/SF_TTY)...
*/
/* toss any input we have so far */
s->start = s->str = null;
break;
}
/* FALLTHROUGH */
case LEXIT:
case LLEAVE:
case LRETURN:
source = old_source;
quitenv(NULL);
/* keep on going */
unwind(i);
/* NOTREACHED */
default:
source = old_source;
quitenv(NULL);
internal_errorf("%s %d", "shell", i);
/* NOTREACHED */
switch ((i = kshsetjmp(e->jbuf))) {
case 0:
break;
case LINTR:
/* we get here if SIGINT not caught or ignored */
case LERROR:
case LSHELL:
if (interactive) {
if (i == LINTR)
shellf("\n");
/*
* Reset any eof that was read as part of a
* multiline command.
*/
if (Flag(FIGNOREEOF) && s->type == SEOF && wastty)
s->type = SSTDIN;
/*
* Used by exit command to get back to
* top level shell. Kind of strange since
* interactive is set if we are reading from
* a tty, but to have stopped jobs, one only
* needs FMONITOR set (not FTALKING/SF_TTY)...
*/
/* toss any input we have so far */
s->start = s->str = null;
break;
}
/* FALLTHROUGH */
case LEXIT:
case LLEAVE:
case LRETURN:
source = old_source;
quitenv(NULL);
/* keep on going */
unwind(i);
/* NOTREACHED */
default:
source = old_source;
quitenv(NULL);
internal_errorf("%s %d", "shell", i);
/* NOTREACHED */
}
while (/* CONSTCOND */ 1) {
if (trap)
@@ -845,7 +842,7 @@ unwind(int i)
case E_INCL:
case E_LOOP:
case E_ERRH:
siglongjmp(e->jbuf, i);
kshlongjmp(e->jbuf, i);
/* NOTREACHED */
case E_NONE:
if (i == LINTR)