Changeset e5a1f82f in mainline for libc/generic

Timestamp:

2006-03-17T18:09:15Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

81e55099

Parents:

11a4fbf

Message:

Improved uspace threads (uspace).

File:

• libc/generic/thread.c (modified) (2 diffs)

libc/generic/thread.c

@@ -29 +29 @@
 #include <thread.h>
 #include <libc.h>
+#include <stdlib.h>
 #include <arch/faddr.h>
+#include <kernel/proc/uarg.h>
 
-typedef void (* voidfunc_t)(void);
+void thread_main(uspace_arg_t *uarg)
+{
+        uarg->uspace_thread_function(uarg->uspace_thread_arg);
+        free(uarg->uspace_stack);
+        free(uarg);
+        thread_exit(0);
+}
 
-int thread_create(void (* function)(void *), void *arg, void *stack, char *name)
+int thread_create(void (* function)(void *), void *arg, char *name)
 {
-        return __SYSCALL4(SYS_THREAD_CREATE, (sysarg_t) FADDR((voidfunc_t) function), (sysarg_t) arg, (sysarg_t) stack, (sysarg_t) name);
+        char *stack;
+        uspace_arg_t *uarg;
+
+        stack = (char *) malloc(getpagesize());
+        if (!stack)
+                return -1;
+                
+        uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t));
+        if (!uarg) {
+                free(stack);
+                return -1;
+        }
+        uarg->uspace_entry = (void *) FADDR(__thread_entry);
+        uarg->uspace_stack = (void *) stack;
+        uarg->uspace_thread_function = (void *) FADDR(function);
+        uarg->uspace_thread_arg = arg;
+        uarg->uspace_uarg = uarg;
+        
+        return __SYSCALL2(SYS_THREAD_CREATE, (sysarg_t) uarg, (sysarg_t) name);
 }
 
@@ -42 +68 @@
         __SYSCALL1(SYS_THREAD_EXIT, (sysarg_t) status);
 }
-