diff options
Diffstat (limited to 'arch/um/os-Linux/process.c')
| -rw-r--r-- | arch/um/os-Linux/process.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index b98d3ca2cd1b..51f0893640a6 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -7,11 +7,11 @@ #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" @@ -141,11 +141,9 @@ void os_usr1_process(int pid) * 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) @@ -247,7 +245,17 @@ void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)) 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) |