diff options
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/os.h | 5 | ||||
| -rw-r--r-- | arch/um/include/sigio.h | 2 | ||||
| -rw-r--r-- | arch/um/include/user_util.h | 1 | ||||
| -rw-r--r-- | arch/um/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/um/os-Linux/Makefile | 9 | ||||
| -rw-r--r-- | arch/um/os-Linux/sigio.c (renamed from arch/um/kernel/sigio_user.c) | 16 |
6 files changed, 19 insertions, 16 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 6d865d4eade..53dee8d3cdc 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -311,4 +311,9 @@ extern void os_set_pollfd(int i, int fd); extern void os_set_ioignore(void); extern void init_irq_signals(int on_sigstack); +/* sigio.c */ +extern void write_sigio_workaround(void); +extern int add_sigio_fd(int fd, int read); +extern int ignore_sigio_fd(int fd); + #endif diff --git a/arch/um/include/sigio.h b/arch/um/include/sigio.h index 1432fcfb321..fe99ea163c2 100644 --- a/arch/um/include/sigio.h +++ b/arch/um/include/sigio.h @@ -8,8 +8,6 @@ extern int write_sigio_irq(int fd); extern int register_sigio_fd(int fd); -extern int add_sigio_fd(int fd, int read); -extern int ignore_sigio_fd(int fd); extern void sigio_lock(void); extern void sigio_unlock(void); diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h index a6f1f176cf8..992a7e1e0fc 100644 --- a/arch/um/include/user_util.h +++ b/arch/um/include/user_util.h @@ -58,7 +58,6 @@ extern int attach(int pid); extern void kill_child_dead(int pid); extern int cont(int pid); extern void check_sigio(void); -extern void write_sigio_workaround(void); extern void arch_check_bugs(void); extern int cpu_feature(char *what, char *buf, int len); extern int arch_handle_signal(int sig, union uml_pt_regs *regs); diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 8458c30a626..ac5afaa0306 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -8,7 +8,7 @@ clean-files := obj-y = config.o exec_kern.o exitcode.o \ init_task.o irq.o ksyms.o mem.o physmem.o \ - process_kern.o ptrace.o reboot.o resource.o sigio_user.o sigio_kern.o \ + process_kern.o ptrace.o reboot.o resource.o sigio_kern.o \ signal_kern.o smp.o syscall_kern.o sysrq.o \ time_kern.o tlb.o trap_kern.o uaccess.o um_arch.o umid.o diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile index 73d3d837ed6..c3d56c2935c 100644 --- a/arch/um/os-Linux/Makefile +++ b/arch/um/os-Linux/Makefile @@ -3,14 +3,15 @@ # Licensed under the GPL # -obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o signal.o \ - start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o user_syms.o \ - util.o drivers/ sys-$(SUBARCH)/ +obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o sigio.o \ + signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o \ + user_syms.o util.o drivers/ sys-$(SUBARCH)/ obj-$(CONFIG_MODE_SKAS) += skas/ USER_OBJS := aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o \ - signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o util.o + sigio.o signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o \ + util.o elf_aux.o: $(ARCH_DIR)/kernel-offsets.h CFLAGS_elf_aux.o += -I$(objtree)/arch/um diff --git a/arch/um/kernel/sigio_user.c b/arch/um/os-Linux/sigio.c index 9bef9413cb5..7604c404c4c 100644 --- a/arch/um/kernel/sigio_user.c +++ b/arch/um/os-Linux/sigio.c @@ -20,7 +20,7 @@ #include "sigio.h" #include "os.h" -/* Protected by sigio_lock(), also used by sigio_cleanup, which is an +/* Protected by sigio_lock(), also used by sigio_cleanup, which is an * exitcall. */ static int write_sigio_pid = -1; @@ -143,7 +143,7 @@ static void update_thread(void) return; fail: /* Critical section start */ - if(write_sigio_pid != -1) + if(write_sigio_pid != -1) os_kill_process(write_sigio_pid, 1); write_sigio_pid = -1; close(sigio_private[0]); @@ -160,13 +160,13 @@ int add_sigio_fd(int fd, int read) sigio_lock(); for(i = 0; i < current_poll.used; i++){ - if(current_poll.poll[i].fd == fd) + if(current_poll.poll[i].fd == fd) goto out; } n = current_poll.used + 1; err = need_poll(n); - if(err) + if(err) goto out; for(i = 0; i < current_poll.used; i++) @@ -195,7 +195,7 @@ int ignore_sigio_fd(int fd) } if(i == current_poll.used) goto out; - + err = need_poll(current_poll.used - 1); if(err) goto out; @@ -216,7 +216,7 @@ int ignore_sigio_fd(int fd) return(err); } -static struct pollfd* setup_initial_poll(int fd) +static struct pollfd *setup_initial_poll(int fd) { struct pollfd *p; @@ -256,7 +256,7 @@ void write_sigio_workaround(void) } err = os_pipe(l_sigio_private, 1, 1); if(err < 0){ - printk("write_sigio_workaround - os_pipe 1 failed, " + printk("write_sigio_workaround - os_pipe 2 failed, " "err = %d\n", -err); goto out_close1; } @@ -317,7 +317,7 @@ void write_sigio_workaround(void) void sigio_cleanup(void) { - if (write_sigio_pid != -1) { + if(write_sigio_pid != -1){ os_kill_process(write_sigio_pid, 1); write_sigio_pid = -1; } |