#include <stdio.h>
#include <errno.h>
#include <signal.h>
-#include <setjmp.h>
-#include <linux/unistd.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/mman.h>
+#include <sys/syscall.h>
#include "ptrace_user.h"
#include "os.h"
#include "user.h"
* syscalls, and also breaks with clone(), which does not unshare the TLS.
*/
-inline _syscall0(pid_t, getpid)
-
int os_getpid(void)
{
- return(getpid());
+ return(syscall(__NR_getpid));
}
int os_getpgrp(void)
set_sigstack(sig_stack, pages * page_size());
flags = SA_ONSTACK;
}
- if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1);
+ if(usr1_handler){
+ struct sigaction sa;
+
+ sa.sa_handler = usr1_handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = flags;
+ sa.sa_restorer = NULL;
+ if(sigaction(SIGUSR1, &sa, NULL) < 0)
+ panic("init_new_thread_stack - sigaction failed - "
+ "errno = %d\n", errno);
+ }
}
void init_new_thread_signals(void)
int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
{
jmp_buf buf;
- int n, enable;
+ int n;
*jmp_ptr = &buf;
- n = UML_SETJMP(&buf, enable);
+ n = UML_SETJMP(&buf);
if(n != 0)
- return(n);
+ return n;
(*fn)(arg);
- return(0);
+ return 0;
}