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Fix for mac support.

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This commit is contained in:
Bruce Hill 2019-12-11 22:12:18 -08:00
parent 0e94d55807
commit 1d69bb63ce
2 changed files with 26 additions and 14 deletions
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34
bb.c
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@ -79,7 +79,7 @@ void cleanup(void)
cmdfilename = NULL;
}
if (tty_out) {
fputs(T_OFF(T_ALT_SCREEN) T_ON(T_SHOW_CURSOR), tty_out);
fputs(T_LEAVE_BBMODE, tty_out);
fflush(tty_out);
tcsetattr(fileno(tty_out), TCSANOW, &orig_termios);
}
@ -631,8 +631,12 @@ void run_bbcmd(bb_t *bb, const char *cmd)
move_cursor(tty_out, 0, winsize.ws_row-1);
fputs("\033[K", tty_out);
restore_term(&default_termios);
signal(SIGTTOU, SIG_IGN);
if (tcsetpgrp(fileno(tty_out), child->pid))
err("Couldn't set pgrp");
kill(-(child->pid), SIGCONT);
wait_for_process(&child);
signal(SIGTTOU, SIG_DFL);
init_term();
dirty = 1;
} else if (matches_cmd(cmd, "goto:")) { // +goto:
@ -952,10 +956,14 @@ int run_script(bb_t *bb, const char *cmd)
strcat(fullcmd, cmd);
proc_t *proc = memcheck(calloc(1, sizeof(proc_t)));
signal(SIGTTOU, SIG_IGN);
if ((proc->pid = fork()) == 0) {
fclose(tty_out); tty_out = NULL;
fclose(tty_in); tty_in = NULL;
setpgid(0, 0);
pid_t pgrp = getpid();
(void)setpgid(0, pgrp);
if (tcsetpgrp(STDIN_FILENO, pgrp))
err("Couldn't set pgrp");
char **args = memcheck(calloc(4 + (size_t)bb->nselected + 1, sizeof(char*)));
int i = 0;
args[i++] = SH;
@ -983,6 +991,7 @@ int run_script(bb_t *bb, const char *cmd)
if (proc->pid == -1)
err("Failed to fork");
(void)setpgid(proc->pid, proc->pid);
LL_PREPEND(running_procs, proc, running);
int status = wait_for_process(&proc);
dirty = 1;
@ -1136,18 +1145,21 @@ void update_term_size(int sig)
*/
int wait_for_process(proc_t **proc)
{
signal(SIGTTOU, SIG_IGN);
tcsetpgrp(fileno(tty_out), (*proc)->pid);
int status;
while (waitpid((*proc)->pid, &status, WUNTRACED) < 0 && errno == EINTR) // Can happen, e.g. if process sends SIGTSTP
continue;
tcsetpgrp(fileno(tty_out), getpgid(0));
signal(SIGTTOU, SIG_DFL);
if (!WIFSTOPPED(status)) {
LL_REMOVE((*proc), running);
free(*proc);
*proc = NULL;
while (*proc) {
if (waitpid((*proc)->pid, &status, WUNTRACED) < 0)
continue;
if (WIFEXITED(status) || WIFSIGNALED(status)) {
LL_REMOVE((*proc), running);
free(*proc);
*proc = NULL;
} else if (WIFSTOPPED(status))
break;
}
if (tcsetpgrp(fileno(tty_out), getpid()))
err("Failed to set pgrp");
signal(SIGTTOU, SIG_DFL);
return status;
}

6
bb.h
View File

@ -25,7 +25,7 @@
#include "bterm.h"
// Macros:
#define BB_VERSION "0.20.2"
#define BB_VERSION "0.20.3"
#ifndef PATH_MAX
#define PATH_MAX 4096
@ -292,13 +292,13 @@ ASK1 ";\n"
#else
" tput civis >/dev/tty;\n"
" printf \"\033[1m%s\033[0m\" \"$2\" >/dev/tty;\n"
" stty -icanon -echo >/dev/tty;\n"
" stty -icanon -echo >/dev/tty 2>/dev/tty;\n"
#ifdef __APPLE__
" read -n 1 $1 </dev/tty >/dev/tty;\n"
#else
" eval \"$1=\\$(dd bs=1 count=1 2>/dev/null </dev/tty)\";\n"
#endif
" stty icanon echo >/dev/tty;\n"
" stty icanon echo >/dev/tty 2>/dev/tty;\n"
" tput cvvis >/dev/tty;\n"
#endif
"}\n"