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Suspend process waiting for keyboard input
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This commit is contained in:
Kamil Kowalczyk
2026-02-15 15:21:18 +01:00
parent 60f201ab55
commit 0f5bd48328
14 changed files with 87 additions and 45 deletions
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21
kernel/device/terminal.c
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@@ -8,6 +8,7 @@
#include <proc/capability.h>
#include <proc/proc.h>
#include <sys/debug.h>
#include <sys/smp.h>
struct flanterm_context* ft_ctx;
@@ -34,19 +35,25 @@ bool terminal_init (void* arg) {
void terminal_fini (void) {}
int terminal_putstr (struct proc* proc, void* a1, void* a2, void* a3, void* a4) {
(void)a2, (void)a3, (void)a4;
bool terminal_putstr (struct proc* proc, struct cpu** reschedule_cpu, int* ret, void* a1, void* a2,
void* a3, void* a4) {
(void)reschedule_cpu, (void)a2, (void)a3, (void)a4;
if (!(proc->procgroup->capabilities & PROC_CAP_TERMINAL))
return -ST_PERMISSION_ERROR;
if (!(proc->procgroup->capabilities & PROC_CAP_TERMINAL)) {
*ret = -ST_PERMISSION_ERROR;
return PROC_NO_RESCHEDULE;
}
char* string = (char*)a1;
size_t* len = (size_t*)a2;
if (string == NULL || len == NULL)
return -ST_BAD_ADDRESS_SPACE;
if (string == NULL || len == NULL) {
*ret = -ST_BAD_ADDRESS_SPACE;
return PROC_NO_RESCHEDULE;
}
flanterm_write (ft_ctx, string, *len);
return ST_OK;
*ret = ST_OK;
return PROC_NO_RESCHEDULE;
}