diff options
author | Jeff Dike <jdike@addtoit.com> | 2007-10-16 01:27:00 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:05 -0700 |
commit | ba180fd437156f7fd8cfb2fdd021d949eeef08d6 (patch) | |
tree | b9f38b9cdd7a5b1aacf00341d1948314663c5871 /arch/um/os-Linux/process.c | |
parent | 77bf4400319db9d2a8af6b00c2be6faa0f3d07cb (diff) |
uml: style fixes pass 3
Formatting changes in the files which have been changed in the course
of folding foo_skas functions into their callers. These include:
copyright updates
header file trimming
style fixes
adding severity to printks
These changes should be entirely non-functional.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/os-Linux/process.c')
-rw-r--r-- | arch/um/os-Linux/process.c | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index a955e9bcd04d..b2e0d8c4258c 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -1,27 +1,23 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@addtoit.com) +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include <unistd.h> #include <stdio.h> +#include <unistd.h> #include <errno.h> #include <signal.h> #include <sys/mman.h> +#include <sys/ptrace.h> #include <sys/wait.h> -#include <sys/mman.h> -#include <sys/syscall.h> -#include "ptrace_user.h" +#include <asm/unistd.h> +#include "init.h" +#include "kern_constants.h" +#include "longjmp.h" #include "os.h" -#include "user.h" #include "process.h" -#include "irq_user.h" -#include "kern_util.h" -#include "longjmp.h" #include "skas_ptrace.h" -#include "kern_constants.h" -#include "uml-config.h" -#include "init.h" +#include "user.h" #define ARBITRARY_ADDR -1 #define FAILURE_PID -1 @@ -37,24 +33,25 @@ unsigned long os_process_pc(int pid) sprintf(proc_stat, "/proc/%d/stat", pid); fd = os_open_file(proc_stat, of_read(OPENFLAGS()), 0); - if(fd < 0){ - printk("os_process_pc - couldn't open '%s', err = %d\n", - proc_stat, -fd); + if (fd < 0) { + printk(UM_KERN_ERR "os_process_pc - couldn't open '%s', " + "err = %d\n", proc_stat, -fd); return ARBITRARY_ADDR; } CATCH_EINTR(err = read(fd, buf, sizeof(buf))); - if(err < 0){ - printk("os_process_pc - couldn't read '%s', err = %d\n", - proc_stat, errno); + if (err < 0) { + printk(UM_KERN_ERR "os_process_pc - couldn't read '%s', " + "err = %d\n", proc_stat, errno); os_close_file(fd); return ARBITRARY_ADDR; } os_close_file(fd); pc = ARBITRARY_ADDR; - if(sscanf(buf, "%*d " COMM_SCANF " %*c %*d %*d %*d %*d %*d %*d %*d " + if (sscanf(buf, "%*d " COMM_SCANF " %*c %*d %*d %*d %*d %*d %*d %*d " "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d " - "%*d %*d %*d %*d %*d %lu", &pc) != 1){ - printk("os_process_pc - couldn't find pc in '%s'\n", buf); + "%*d %*d %*d %*d %*d %lu", &pc) != 1) { + printk(UM_KERN_ERR "os_process_pc - couldn't find pc in '%s'\n", + buf); } return pc; } @@ -65,28 +62,29 @@ int os_process_parent(int pid) char data[256]; int parent, n, fd; - if(pid == -1) + if (pid == -1) return -1; snprintf(stat, sizeof(stat), "/proc/%d/stat", pid); fd = os_open_file(stat, of_read(OPENFLAGS()), 0); - if(fd < 0){ - printk("Couldn't open '%s', err = %d\n", stat, -fd); + if (fd < 0) { + printk(UM_KERN_ERR "Couldn't open '%s', err = %d\n", stat, -fd); return FAILURE_PID; } CATCH_EINTR(n = read(fd, data, sizeof(data))); os_close_file(fd); - if(n < 0){ - printk("Couldn't read '%s', err = %d\n", stat, errno); + if (n < 0) { + printk(UM_KERN_ERR "Couldn't read '%s', err = %d\n", stat, + errno); return FAILURE_PID; } parent = FAILURE_PID; n = sscanf(data, "%*d " COMM_SCANF " %*c %d", &parent); - if(n != 1) - printk("Failed to scan '%s'\n", data); + if (n != 1) + printk(UM_KERN_ERR "Failed to scan '%s'\n", data); return parent; } @@ -99,9 +97,8 @@ void os_stop_process(int pid) void os_kill_process(int pid, int reap_child) { kill(pid, SIGKILL); - if(reap_child) + if (reap_child) CATCH_EINTR(waitpid(pid, NULL, 0)); - } /* This is here uniquely to have access to the userspace errno, i.e. the one @@ -129,7 +126,7 @@ void os_kill_ptraced_process(int pid, int reap_child) kill(pid, SIGKILL); ptrace(PTRACE_KILL, pid); ptrace(PTRACE_CONT, pid); - if(reap_child) + if (reap_child) CATCH_EINTR(waitpid(pid, NULL, 0)); } @@ -153,34 +150,35 @@ int os_map_memory(void *virt, int fd, unsigned long long off, unsigned long len, void *loc; int prot; - prot = (r ? PROT_READ : 0) | (w ? PROT_WRITE : 0) | + prot = (r ? PROT_READ : 0) | (w ? PROT_WRITE : 0) | (x ? PROT_EXEC : 0); loc = mmap64((void *) virt, len, prot, MAP_SHARED | MAP_FIXED, fd, off); - if(loc == MAP_FAILED) + if (loc == MAP_FAILED) return -errno; return 0; } int os_protect_memory(void *addr, unsigned long len, int r, int w, int x) { - int prot = ((r ? PROT_READ : 0) | (w ? PROT_WRITE : 0) | + int prot = ((r ? PROT_READ : 0) | (w ? PROT_WRITE : 0) | (x ? PROT_EXEC : 0)); - if(mprotect(addr, len, prot) < 0) + if (mprotect(addr, len, prot) < 0) return -errno; - return 0; + + return 0; } int os_unmap_memory(void *addr, int len) { - int err; + int err; - err = munmap(addr, len); - if(err < 0) + err = munmap(addr, len); + if (err < 0) return -errno; - return 0; + return 0; } #ifndef MADV_REMOVE @@ -192,7 +190,7 @@ int os_drop_memory(void *addr, int length) int err; err = madvise(addr, length, MADV_REMOVE); - if(err < 0) + if (err < 0) err = -errno; return err; } @@ -202,22 +200,24 @@ int __init can_drop_memory(void) void *addr; int fd, ok = 0; - printk("Checking host MADV_REMOVE support..."); + printk(UM_KERN_INFO "Checking host MADV_REMOVE support..."); fd = create_mem_file(UM_KERN_PAGE_SIZE); - if(fd < 0){ - printk("Creating test memory file failed, err = %d\n", -fd); + if (fd < 0) { + printk(UM_KERN_ERR "Creating test memory file failed, " + "err = %d\n", -fd); goto out; } addr = mmap64(NULL, UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if(addr == MAP_FAILED){ - printk("Mapping test memory file failed, err = %d\n", -errno); + if (addr == MAP_FAILED) { + printk(UM_KERN_ERR "Mapping test memory file failed, " + "err = %d\n", -errno); goto out_close; } - if(madvise(addr, UM_KERN_PAGE_SIZE, MADV_REMOVE) != 0){ - printk("MADV_REMOVE failed, err = %d\n", -errno); + if (madvise(addr, UM_KERN_PAGE_SIZE, MADV_REMOVE) != 0) { + printk(UM_KERN_ERR "MADV_REMOVE failed, err = %d\n", -errno); goto out_unmap; } @@ -256,7 +256,7 @@ int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr) *jmp_ptr = &buf; n = UML_SETJMP(&buf); - if(n != 0) + if (n != 0) return n; (*fn)(arg); return 0; |