remove everything related to forkall

[musl] / src / thread / forkall.c

diff --git a/src/thread/forkall.c b/src/thread/forkall.c
deleted file mode 100644 (file)
index 6810ea5..0000000
--- a/src/thread/forkall.c
+++ /dev/null
@@ -1,68 +0,0 @@
-#if 0
-#include "pthread_impl.h"
-#include <setjmp.h>
-
-struct thread {
-       struct thread *next;
-       pthread_t td;
-       jmp_buf jb;
-       void *tmp, *stack;
-};
-
-struct ctx {
-       struct thread *list;
-       pthread_t caller;
-       pid_t pid;
-       size_t cnt;
-       pthread_barrier_t barrier;
-};
-
-static void restart_thread(pthread_t self)
-{
-       struct thread *t = self->start_arg;
-       self->start_arg = t->tmp;
-       self->pid = getpid();
-       longjmp(t->jb, 1);
-}
-
-static void do_forkall(void *p)
-{
-       struct ctx *c = p, *volatile cv = c;
-       char tmpstack[2048];
-       struct thread *tp, t = {
-               .td = __pthread_self(),
-               .next = c->list,
-               .stack = tmpstack+1024
-       };
-
-       if (t.td != c->caller) {
-               c->cnt++;
-               t.tmp = t.td->start_arg;
-               t.td->start_arg = &t;
-               if (setjmp(t.jb)) {
-                       c = cv;
-                       if (c->pid) return;
-                       pthread_barrier_wait(&c->barrier);
-                       return;
-               }
-               c->list = &t;
-               __synccall_wait();
-               return;
-       }
-       c->pid = syscall(SYS_fork);
-       if (c->pid) return;
-
-       pthread_barrier_init(&c->barrier, 0, c->cnt);
-       for (tp=c->list; tp; tp=tp->next)
-               if (__uniclone(tp->stack, restart_thread, tp->td) < 0)
-                       _exit(127);
-       pthread_barrier_wait(&c->barrier);
-}
-
-pid_t forkall()
-{
-       struct ctx c = { .caller = pthread_self() };
-       __synccall(do_forkall, &c);
-       return c.pid;
-}
-#endif