Support sleep

2024-08-25 23:29:34 +08:00
parent 6ae8b6e160
commit 968d66e5a9
13 changed files with 123 additions and 5 deletions
@@ -153,4 +153,9 @@ bool semaphore_wait(int sem_id)
 bool semaphore_signal(int sem_id)
 {
    return syscall(SYSCALL_SEMAPHORE, (intptr_t)SYS_SEM_SIGNAL, (intptr_t)sem_id, 0, 0);
+}
+
+int sleep(intptr_t ms)
+{
+    return syscall(SYSCALL_SLEEP, (intptr_t)ms, 0, 0, 0);
 }
@@ -34,6 +34,7 @@
 #define SYSCALL_KILL            12  // kill the task by id

 #define SYSCALL_SEMAPHORE       13  // semaphore related operations
+#define SYSCALL_SLEEP           14  // sleep
 // clang-format on

 typedef enum {
@@ -105,4 +106,6 @@ uintptr_t get_tick();
 int semaphore_new(int val);
 bool semaphore_free(int sem_id);
 bool semaphore_wait(int sem_id);
-bool semaphore_signal(int sem_id);
+bool semaphore_signal(int sem_id);
+
+int sleep(intptr_t ms);