Nice wrappers around process management

init/init.c

@@ -1,45 +1,15 @@
-#include <alloc/liballoc.h>
 #include <limits.h>
-#include <m/status.h>
-#include <m/system.h>
+#include <proc/local.h>
+#include <proc/proc.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string/string.h>
 
 #define MUTEX 2000
 
-__thread char letter = 'c';
+LOCAL char letter = 'c';
 
-void app_thread1 (void);
-
-int spawn (void (*fn) (void)) {
-  size_t stack_size = 256 * PAGE_SIZE;
-  void* stack = malloc (stack_size);
-  if (stack == NULL)
-    return -ST_OOM_ERROR;
-
-  uintptr_t stack_top = (uintptr_t)stack + stack_size;
-  return clone (stack_top, fn);
-}
-
-void app_main (void) {
-  mutex_create (MUTEX);
-
-  letter = 'a';
-
-  spawn (&app_thread1);
-
-  for (;;) {
-    mutex_lock (MUTEX);
-
-    for (int i = 0; i < 3; i++)
-      test (letter);
-
-    mutex_unlock (MUTEX);
-  }
-}
-
-void app_thread1 (void) {
+void app_proc1 (void) {
   letter = 'b';
 
   for (;;) {
@@ -51,5 +21,22 @@ void app_thread1 (void) {
     mutex_unlock (MUTEX);
   }
 
-  quit ();
+  process_quit ();
+}
+
+void app_main (void) {
+  mutex_create (MUTEX);
+
+  letter = 'a';
+
+  process_spawn (&app_proc1);
+
+  for (;;) {
+    mutex_lock (MUTEX);
+
+    for (int i = 0; i < 3; i++)
+      test (letter);
+
+    mutex_unlock (MUTEX);
+  }
 }

libmsl/proc/.gitignore

@@ -0,0 +1 @@
+*.o

libmsl/proc/local.h

@@ -0,0 +1,6 @@
+#ifndef _LIBMSL_PROC_TLS_H
+#define _LIBMSL_PROC_TLS_H
+
+#define LOCAL __thread
+
+#endif // _LIBMSL_PROC_TLS_H

libmsl/proc/proc.c

@@ -0,0 +1,17 @@
+#include <alloc/liballoc.h>
+#include <m/status.h>
+#include <m/system.h>
+#include <proc/proc.h>
+#include <stddef.h>
+#include <stdint.h>
+
+int process_spawn (process_func_t func) {
+  void* stack = malloc (PROC_STACK_SIZE);
+  if (stack == NULL)
+    return -ST_OOM_ERROR;
+
+  uintptr_t top = (uintptr_t)stack + PROC_STACK_SIZE;
+  return clone (top, func);
+}
+
+int process_quit (void) { return quit (); }

libmsl/proc/proc.h

@@ -0,0 +1,13 @@
+#ifndef _LIBMSL_PROC_PROC_H
+#define _LIBMSL_PROC_PROC_H
+
+#include <m/system.h>
+
+#define PROC_STACK_SIZE 256 * PAGE_SIZE
+
+typedef void (*process_func_t) (void);
+
+int process_spawn (process_func_t func);
+int process_quit (void);
+
+#endif // _LIBMSL_PROC_PROC_H

libmsl/proc/src.mk

@@ -0,0 +1,3 @@
+c += proc/proc.c
+
+o += proc/proc.o

libmsl/src.mk

@@ -3,3 +3,4 @@ include init/src.mk
 include m/src.mk
 include string/src.mk
 include alloc/src.mk
+include proc/src.mk