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pack local bools into a struct, for tighter stack packing

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tg
2016-11-11 18:44:32 +00:00
parent 5ee8ba10b3
commit 4e855b1be2
2 changed files with 91 additions and 72 deletions
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21
histrap.c
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@@ -27,7 +27,7 @@
#include <sys/file.h>
#endif
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.158 2016/08/04 20:31:00 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.159 2016/11/11 18:44:32 tg Exp $");
Trap sigtraps[ksh_NSIG + 1];
static struct sigaction Sigact_ign;
@@ -1399,33 +1399,32 @@ settrap(Trap *p, const char *s)
}
/*
* Called by c_print() when writing to a co-process to ensure SIGPIPE won't
* kill shell (unless user catches it and exits)
* called by c_print() when writing to a co-process to ensure
* SIGPIPE won't kill shell (unless user catches it and exits)
*/
int
bool
block_pipe(void)
{
int restore_dfl = 0;
bool restore_dfl = false;
Trap *p = &sigtraps[SIGPIPE];
if (!(p->flags & (TF_ORIG_IGN|TF_ORIG_DFL))) {
setsig(p, SIG_IGN, SS_RESTORE_CURR);
if (p->flags & TF_ORIG_DFL)
restore_dfl = 1;
restore_dfl = true;
} else if (p->cursig == SIG_DFL) {
setsig(p, SIG_IGN, SS_RESTORE_CURR);
/* restore to SIG_DFL */
restore_dfl = 1;
restore_dfl = true;
}
return (restore_dfl);
}
/* Called by c_print() to undo whatever block_pipe() did */
/* called by c_print() to undo whatever block_pipe() did */
void
restore_pipe(int restore_dfl)
restore_pipe(void)
{
if (restore_dfl)
setsig(&sigtraps[SIGPIPE], SIG_DFL, SS_RESTORE_CURR);
setsig(&sigtraps[SIGPIPE], SIG_DFL, SS_RESTORE_CURR);
}
/*