Hi All,
In my application malloc is returning NULL even though there is sufficient amount of free memory is available but swap memory is low.
Is this possible that, if free memory is high & swap memory is low, malloc will not be able to allocate memory & return NULL ?:)
Kindly look into... (5 Replies)
Hi All,:)
In my application malloc is returning NULL even though there is sufficient amount of free memory available but the swap memory is low.
Is this possible that, if free memory is high & swap memory is low, malloc will not be able to allocate memory & return NULL ?
Few details:
... (4 Replies)
on the file Ftp'd from the mainframe ,do we have any UNIX command to replace mainframe low and values to space or null.
i tried using tr and it doesn't work ...
Thanks (1 Reply)
Hi guys,
i have a question about spliting a binary file into 2 chunks.
First chunk with all high bytes and the second one with all low bytes.
What unix tools can i use? And how can this be performed?
I looked in manpages of split and dd but this does not help.
Thanks (2 Replies)
Need some clarification on this....
1. how are kernel/ user spaces and high/low memory related?
2. What do they all mean when i have the kernel command line as:
"console=ttyS0,115200 root=/dev/sda2 rw mem=exactmap memmap=1M@0 memmap=96M@1M irqpoll"
or
2. what do mem and memmap mean in... (3 Replies)
Hello All
I have a system running AIX 61 shared uncapped partition (with 11 physical processors, 24 Virtual 72GB of Memory) .
The output from NMON, vmstat show a high run queue (60+) for continous periods of time intervals, but NO paging, relatively low I/o (6000) , CPU % is 40, Low network.... (9 Replies)
Hi team
I have three physical servers running on Red Hat Enterprise Linux Server release 6.2 with the following memory conditions:
# cat /proc/meminfo | grep -i mem
MemTotal: 8062888 kB
MemFree: 184540 kB
Shmem: 516 kB
and the following swap conditions:
... (6 Replies)
Hi all,
i have a binary file splitted into 2 chunks, first part with all high bytes and the second part with all low bytes.
I need to combine the two chunks into one binary file like (eg. exactly the reverse of the splitting method solved in the thread # 130940)
Hi bytes file content:... (7 Replies)
Hi All,
I have to pick particular segments from a file and I have prepared below shell script.But its not working and I am not able to find out whats the issue.could you guys pls help?
Sample file:
TS3*1451575*12*20151231*4*482.44
NM1*QC*1*CUTLER*BETTY
DTM*472*20150808... (4 Replies)
Discussion started by: Venkata Prasad
4 Replies
LEARN ABOUT OPENSOLARIS
noecho
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)SunOS 5.11 5 Jun 2002 echo(3XCURSES)