diff options
Diffstat (limited to 'arch/um/os-Linux')
| -rw-r--r-- | arch/um/os-Linux/skas/process.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 765cfa6ddbc..2cc2071112b 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -55,10 +55,10 @@ static int ptrace_dump_regs(int pid) * Signals that are OK to receive in the stub - we'll just continue it. * SIGWINCH will happen when UML is inside a detached screen. */ -#define STUB_SIG_MASK ((1 << SIGVTALRM) | (1 << SIGWINCH)) +#define STUB_SIG_MASK (1 << SIGVTALRM) /* Signals that the stub will finish with - anything else is an error */ -#define STUB_DONE_MASK ((1 << SIGUSR1) | (1 << SIGTRAP)) +#define STUB_DONE_MASK (1 << SIGTRAP) void wait_stub_done(int pid) { @@ -179,6 +179,7 @@ static int userspace_tramp(void *stack) ptrace(PTRACE_TRACEME, 0, 0, 0); signal(SIGTERM, SIG_DFL); + signal(SIGWINCH, SIG_IGN); err = set_interval(); if (err) panic("userspace_tramp - setting timer failed, errno = %d\n", @@ -222,11 +223,7 @@ static int userspace_tramp(void *stack) set_sigstack((void *) STUB_DATA, UM_KERN_PAGE_SIZE); sigemptyset(&sa.sa_mask); - sigaddset(&sa.sa_mask, SIGIO); - sigaddset(&sa.sa_mask, SIGWINCH); - sigaddset(&sa.sa_mask, SIGVTALRM); - sigaddset(&sa.sa_mask, SIGUSR1); - sa.sa_flags = SA_ONSTACK; + sa.sa_flags = SA_ONSTACK | SA_NODEFER; sa.sa_handler = (void *) v; sa.sa_restorer = NULL; if (sigaction(SIGSEGV, &sa, NULL) < 0) |