2 files changed, 12 insertions, 4 deletions
diff --git a/src/user/include/knob/task.h b/src/user/include/knob/task.h
index ea5df62..6539a00 100644
--- a/src/user/include/knob/task.h
+++ b/src/user/include/knob/task.h
@@ -1,9 +1,11 @@
 #ifndef KNOB_TASK_H
 #define KNOB_TASK_H
 
+#include <stdint.h>
 #include <stdbool.h>
 
-bool try_run_command(const char *path);
+uint32_t run_command(const char *path);
+bool try_run_command_blocking(const char *path);
 void yield_task();
 
 #endif
 \ No newline at end of file
diff --git a/src/user/include/pland/syscall.h b/src/user/include/pland/syscall.h
index c597e2b..75383fc 100644
--- a/src/user/include/pland/syscall.h
+++ b/src/user/include/pland/syscall.h
@@ -8,6 +8,7 @@ typedef uint32_t _file_handle_t;
 typedef uint32_t _task_handle_t;
 typedef uint32_t _drive_number_t;
 typedef uint32_t _pages_t;
+typedef uint32_t _process_handle_t;
 
 typedef enum {
   _KEY_BACKSPACE = '\b',
@@ -43,7 +44,8 @@ enum _scn {
   _SCN_LOG_STRING,
   _SCN_GET_KEY,
   _SCN_ALLOCATE_RAM,
-  _SCN_MEMORY_INFO
+  _SCN_MEMORY_INFO,
+  _SCN_WAIT_FOR_TASK
 };
 
 static inline uint32_t _sc0(enum _scn eax) {
@@ -124,8 +126,8 @@ static inline uint32_t _file_size(_file_handle_t handle) {
   return _sc1(_SCN_FILE_SIZE, handle);
 }
 
-static inline bool _start_task(_drive_number_t drive_number, const char *path, const char *pass) {
-  return (bool)_sc3(_SCN_START_TASK, drive_number, (uint32_t)path, (uint32_t)pass);
+static inline _process_handle_t _start_task(_drive_number_t drive_number, const char *path, const char *pass) {
+  return _sc3(_SCN_START_TASK, drive_number, (uint32_t)path, (uint32_t)pass);
 }
 
 static inline void _log_string(const char *sz) {
@@ -160,4 +162,8 @@ static inline _pages_t _this_process_memory_left() {
   return _sc1(_SCN_MEMORY_INFO, 0x4);
 }
 
+static inline void _wait_for_task(_process_handle_t handle) {
+  _sc1(_SCN_WAIT_FOR_TASK, handle);
+}
+
 #endif
 \ No newline at end of file