fix sample code

i13302 · Nov 8, 2021 · 63b2734 · 63b2734
1 parent 9a36255
commit 63b2734
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/6.1.md b/6.1.md
@@ -104,7 +104,7 @@ int main(){
 	print_pid("parent");
 	void* stack = mmap(NULL,1024*1024,PROT_READ|PROT_WRITE,
             MAP_PRIVATE|MAP_ANONYMOUS|MAP_GROWSDOWN|MAP_STACK,-1,0);
-	pid_t c = clone(print_pid,stack,SIGCHLD,"child");
+	pid_t c = clone((int(*)(void*))print_pid,stack,CLONE_NEWPID|SIGCHLD,"child");
 	if(c == -1){
 		puts("clone failed!\n");
 		return -1;
@@ -138,7 +138,7 @@ int main(){
 	print_pid("parent");
 	void* stack = mmap(NULL,1024*1024,PROT_READ|PROT_WRITE,
             MAP_PRIVATE|MAP_ANONYMOUS|MAP_GROWSDOWN|MAP_STACK,-1,0);
-	pid_t c = clone(print_pid,stack,SIGCHLD,"child");
+	pid_t c = clone((int(*)(void*))print_pid,stack,CLONE_NEWPID|SIGCHLD,"child");
 	if(c == -1){
 		puts("clone failed!\n");
 		return -1;