SIGPROCMASK(3P) POSIX Programmer's Manual SIGPROCMASK(3P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
sigprocmask -- examine and change blocked signals
SYNOPSIS
#include <signal.h>
int sigprocmask(int how, const sigset_t *restrict set,
sigset_t *restrict oset);
DESCRIPTION
Refer to pthread_sigmask().
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE /The Open Group 2013 SIGPROCMASK(3P)
Check Out this Related Man Page
SNPRINTF(3P) POSIX Programmer's Manual SNPRINTF(3P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
snprintf -- print formatted output
SYNOPSIS
#include <stdio.h>
int snprintf(char *restrict s, size_t n,
const char *restrict format, ...);
DESCRIPTION
Refer to fprintf().
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE /The Open Group 2013 SNPRINTF(3P)
I am having trouble with folowing
sigset_t s; // now s represents set of signals
sigemptyset(&s) ; // initialize this set and exclude all the signals from it.is it empty?
sigaddset(&s,SIGILL);//this set containts only SIGILL signal
sigprocmask(SIG_BLOCK,&s,NULL);//lost on this one
Can... (3 Replies)
I have this code that doesnt do what it is suppose to do. It should block signal that I send while process is running. I press control+z while this process is running and it should be blocked but it isnt. When i press control+z it gives me this....
+ Stopped
When I change SIGTSP into SIGINT then... (5 Replies)
Dear shell experts,
I spent last few days porting ksh script from ksh88/SunOS to ksh93/Linux.
Basically, things are going well and I do not have too much troubles porting ks88 script to ksh93, but I stuck on one item. It's about sending and handling the signal.
I found two similar... (8 Replies)
Hello all ,
i need some help asap
i have a program that keeps killing the machine
when i did google searches and 2 days later i ran strace
it seems the programm keeps making a system call to gettimeofday
to i guess increment a counter ?
gettimeofday({1347986584, 464904}, NULL) = 0... (6 Replies)
Hi friends,
Working on a linux X86-64 bit system, I suddenly started getting this error (mentioned in subject) from various scripts.
I googled, found that there are couple of reason which causes this issue.
- less memory
I am pretty sure, memory seems to be stable on my system and at the... (15 Replies)
I keep getting a Illegal instruction error when running my MCP file below is the dump error message followed by truss log, dose anyone have any ideas?
/opt/builds/bin/core: ELF 32-bit MSB core file SPARC Version 1, from 'mcp'
*** Select Close or Exit from the window menu to close this window... (12 Replies)
Can anyone recommend any good guides on how to investigate what a hanging process is doing?
In fact I would be interested in any online guides that would improve my forensic skills on the Linux platform.
I have a script that occasionally hangs. Strace shows:
# strace -p 32370
Process... (13 Replies)
Hi all, Hope everyone doing good.
Let me come to point, i have setup-ed a LDAP server and client machines
Server works perfect, while make a search from client machine it too get the Query from LDAP server, But while i switch user it says user not exists
# su - babin
su: user babin does... (3 Replies)
Hi,
I am trying to set ulimit for soft stack unlimited, but this is not taking effect, after tracing the ulimit -a unlimited command, the below output was generated, which i am unable to comprehend. Could any one help me with this?
prcbap1-r10prod: truss -d ulimit -s unlimited
Tue Dec 30... (2 Replies)
Hi @ll :)
I have a problem with my code but first a short description:
1. I have one signal call SIGUSR1
2. In the signal I try to use nanosleep and now:
When I put kill -SIGUSR1 pid --> sometimes works fine, sometimes returns me an error with ,,Interrupt system call", sometimes I got... (5 Replies)
Hi Forum.
I have an XML file with the following requirement to move the <AdditionalAccountHolders> tag and its content right after the <accountHolderName> tag within the same file but I'm not sure how to accomplish this through a Unix script.
Any feedback will be greatly appreciated.
... (19 Replies)
Been trying to get a directory NFS-mounted with no success. I've tried both NFS v3 and v4, but currently trying v4. I can't figure out what's going on here.
server: sbkovwadmd01
sbkovwadmd01# chnfsdom
Current local domain: edw.dev
sbkovwadmd01# lssrc -a | grep nfs | grep active
nfsd ... (3 Replies)