Changeset fd07e57b in mainline for uspace/lib/c/generic/io/klog.c


Ignore:
Timestamp:
2014-01-05T21:25:41Z (11 years ago)
Author:
Martin Sucha <sucha14@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
4aa2a27
Parents:
aacdb8e (diff), ca05e9b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge cherrypicked kernel logger.

  • Old klog sybsystem was renamed to kio
  • Kernel and user-space log messages are stored in both logs (kernel logs end up in log/kernel file)
File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/generic/io/klog.c

    raacdb8e rfd07e57b  
    11/*
    2  * Copyright (c) 2006 Josef Cejka
    3  * Copyright (c) 2006 Jakub Vana
     2 * Copyright (c) 2013 Martin Sucha
    43 * All rights reserved.
    54 *
    … …  
    4140#include <abi/klog.h>
    4241#include <io/klog.h>
    43 #include <io/printf_core.h>
     42#include <abi/log.h>
    4443
    45 size_t klog_write(const void *buf, size_t size)
     44size_t klog_write(log_level_t lvl, const void *buf, size_t size)
    4645{
    47         ssize_t ret = (ssize_t) __SYSCALL3(SYS_KLOG, KLOG_WRITE, (sysarg_t) buf, size);
     46        ssize_t ret = (ssize_t) __SYSCALL4(SYS_KLOG, KLOG_WRITE, (sysarg_t) buf,
     47            size, lvl);
    4848       
    4949        if (ret >= 0)
    … …  
    5353}
    5454
    55 void klog_update(void)
     55int klog_read(void *data, size_t size)
    5656{
    57         (void) __SYSCALL3(SYS_KLOG, KLOG_UPDATE, (uintptr_t) NULL, 0);
    58 }
    59 
    60 void klog_command(const void *buf, size_t size)
    61 {
    62         (void) __SYSCALL3(SYS_KLOG, KLOG_COMMAND, (sysarg_t) buf, (sysarg_t) size);
    63 }
    64 
    65 /** Print formatted text to klog.
    66  *
    67  * @param fmt Format string
    68  *
    69  * \see For more details about format string see printf_core.
    70  *
    71  */
    72 int klog_printf(const char *fmt, ...)
    73 {
    74         va_list args;
    75         va_start(args, fmt);
    76        
    77         int ret = klog_vprintf(fmt, args);
    78        
    79         va_end(args);
    80        
    81         return ret;
    82 }
    83 
    84 static int klog_vprintf_str_write(const char *str, size_t size, void *data)
    85 {
    86         size_t wr = klog_write(str, size);
    87         return str_nlength(str, wr);
    88 }
    89 
    90 static int klog_vprintf_wstr_write(const wchar_t *str, size_t size, void *data)
    91 {
    92         size_t offset = 0;
    93         size_t chars = 0;
    94        
    95         while (offset < size) {
    96                 char buf[STR_BOUNDS(1)];
    97                 size_t sz = 0;
    98                
    99                 if (chr_encode(str[chars], buf, &sz, STR_BOUNDS(1)) == EOK)
    100                         klog_write(buf, sz);
    101                
    102                 chars++;
    103                 offset += sizeof(wchar_t);
    104         }
    105        
    106         return chars;
    107 }
    108 
    109 /** Print formatted text to klog.
    110  *
    111  * @param fmt Format string
    112  * @param ap  Format parameters
    113  *
    114  * \see For more details about format string see printf_core.
    115  *
    116  */
    117 int klog_vprintf(const char *fmt, va_list ap)
    118 {
    119         printf_spec_t ps = {
    120                 klog_vprintf_str_write,
    121                 klog_vprintf_wstr_write,
    122                 NULL
    123         };
    124        
    125         return printf_core(fmt, &ps, ap);
     57        return (int) __SYSCALL4(SYS_KLOG, KLOG_READ, (uintptr_t) data, size, 0);
    12658}
    12759
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