CeDOS - Commit 01cff6e3

shelf: Asynchronous execution Given the special character '.', shelf will not wait for the executed program to finish before showing the next prompt. The program will run asynchronously.
Celina Sophie Kalus
hello@celinakalus.de
Wed, 06 Dec 2023 00:47:25 +0100
1 files changed, 13 insertions(+), 13 deletions(-)

jump to
M shell/shelf.c → shell/shelf.c 
@@ -64,6 +64,9 @@
     return ret_buf;
 }
 
+int async[32];
+int async_index;
+
 void main(char *args) {
     uint32_t a = 0, b = 1, i = 0;
     printf("\n");

@@ -78,20 +81,13 @@
         if (strlen(buffer) == 0) { continue; }
 
         char *file = buffer;
-        char *args = (char *)(0);
-
-        int i = 0;
-        while (buffer[i]) {
-            if (buffer[i] == ' ') {
-                buffer[i] = 0;
-                args = &(buffer[i+1]);
-                break;
-            }
-
-            i++;
+        char *args = strchr(file, ' ');
+        char *amp = strchr(file, '.');
+        
+        if (args != NULL) {
+            args[0] = 0;
+            args++;
         }
-
-        //printf("Executing %s...\n", buffer);
 
         if (strcmp(file, "exit") == 0) {
             printf("Thank you for using ShELF!\n");

@@ -113,6 +109,10 @@ //printf("Child process %i spawned, waiting for termination...\n", pid);
 
         if (pid == -1) {
             printf("File not found: %s\n", buffer);
+        } else if (amp != NULL) {
+            printf("[%i] %i\n", async_index, pid);
+
+            async[async_index++] = pid;
         } else {
             process_wait(pid);
         }