Function report |
Source Code:kernel\printk\printk.c |
Create Date:2022-07-28 10:06:19 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:syslog_print
Proto:static int syslog_print(char __user *buf, int size)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
char __user * | buf | |
int | size |
1354 | len = 0 |
1356 | text = Allocation memory |
1367 | he next printk record to read by syslog(READ) or /proc/kmsg = dex and sequence number of the first record stored in the buffer |
1368 | syslog_idx = log_first_idx |
1369 | syslog_partial = 0 |
1372 | logbuf_unlock_irq() |
1373 | Break |
1380 | If Not syslog_partial Then syslog_time = printk_time |
1383 | skip = syslog_partial |
1385 | n = msg_print_text(msg, true, syslog_time, text, LOG_LINE_MAX + PREFIX_MAX) |
1387 | If n - syslog_partial <= size Then |
1391 | n -= syslog_partial |
1392 | syslog_partial = 0 |
1393 | Else if Not len Then |
1396 | syslog_partial += n |
1397 | Else n = 0 |
1399 | logbuf_unlock_irq() |
1401 | If Not n Then Break |
1404 | If copy_to_user(buf, text + skip, n) Then |
1416 | Return len |
Name | Describe |
---|---|
do_syslog |
Source code conversion tool public plug-in interface | X |
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