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Code

[ctrl_z] Added code links-based for ctrl-z and fg. Refs #65

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This commit is contained in:
Witold Filipczyk 2020-09-09 18:08:17 +02:00
parent 2a16aa91fe
commit 62419b1054
2 changed files with 33 additions and 1 deletions
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32
src/osdep/signals.c
View File

@ -20,6 +20,7 @@
#include "main/main.h"
#include "main/select.h"
#include "main/timer.h"
#include "main/version.h"
#include "osdep/signals.h"
#include "terminal/kbd.h"
@ -63,16 +64,21 @@ sig_ign(void *x)
}
#endif
static void poll_fg(void *);
static struct timer *fg_poll_timer = NULL;
#if defined(SIGTSTP) || defined(SIGTTIN)
static void
sig_tstp(struct terminal *term)
{
#ifdef SIGSTOP
pid_t newpid;
pid_t pid = getpid();
block_itrm();
#if defined (SIGCONT) && defined(SIGTTOU)
if (!fork()) {
newpid = fork();
if (!newpid) {
sleep(1);
kill(pid, SIGCONT);
/* Use _exit() rather than exit(), so that atexit
@ -85,9 +91,33 @@ sig_tstp(struct terminal *term)
#endif
raise(SIGSTOP);
#endif
if (fg_poll_timer != NULL) kill_timer(&fg_poll_timer);
install_timer(&fg_poll_timer, FG_POLL_TIME, poll_fg, term);
}
#endif
static void
poll_fg(void *t_)
{
struct terminal *t = (struct terminal *)t_;
int r ;
fg_poll_timer = NULL;
r = unblock_itrm();
if (r == -1) {
install_timer(&fg_poll_timer, FG_POLL_TIME, poll_fg, t);
}
#if 0
if (r == -2) {
/* This will unblock externally spawned viewer, if it exists */
#ifdef SIGCONT
EINTRLOOP(r, kill(0, SIGCONT));
#endif
}
#endif
}
#ifdef SIGCONT
static void
sig_cont(struct terminal *term)

2
src/setup.h
View File

@ -115,4 +115,6 @@
* to fit in the screen, with this much extra space. Try 4. */
#define TABLE_LINE_PADDING -1
#define FG_POLL_TIME 500
#endif