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Patch from Magnus Damm <damm@opensource.se> to avoid lash hanging

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on serial ports
This commit is contained in:
Eric Andersen 2001-10-03 11:23:42 +00:00
parent 35636540ea
commit f0a4ac8216
2 changed files with 14 additions and 2 deletions
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8
lash.c
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@ -1524,9 +1524,15 @@ void free_memory(void)
* we don't fight over who gets the foreground */ * we don't fight over who gets the foreground */
static void setup_job_control() static void setup_job_control()
{ {
int status;
/* Loop until we are in the foreground. */ /* Loop until we are in the foreground. */
while (tcgetpgrp (shell_terminal) != (shell_pgrp = getpgrp ())) while ((status = tcgetpgrp (shell_terminal)) >= 0) {
if (status == (shell_pgrp = getpgrp ())) {
break;
}
kill (- shell_pgrp, SIGTTIN); kill (- shell_pgrp, SIGTTIN);
}
/* Ignore interactive and job-control signals. */ /* Ignore interactive and job-control signals. */
signal(SIGINT, SIG_IGN); signal(SIGINT, SIG_IGN);

8
shell/lash.c
View File

@ -1524,9 +1524,15 @@ void free_memory(void)
* we don't fight over who gets the foreground */ * we don't fight over who gets the foreground */
static void setup_job_control() static void setup_job_control()
{ {
int status;
/* Loop until we are in the foreground. */ /* Loop until we are in the foreground. */
while (tcgetpgrp (shell_terminal) != (shell_pgrp = getpgrp ())) while ((status = tcgetpgrp (shell_terminal)) >= 0) {
if (status == (shell_pgrp = getpgrp ())) {
break;
}
kill (- shell_pgrp, SIGTTIN); kill (- shell_pgrp, SIGTTIN);
}
/* Ignore interactive and job-control signals. */ /* Ignore interactive and job-control signals. */
signal(SIGINT, SIG_IGN); signal(SIGINT, SIG_IGN);