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Test Your Knowledge in Computers #905
Difficulty: Easy
Generally speaking, Unix systems are commercial, closed source and propriety operating systems so it is expensive to customize for supercomputing projects. Linux, on the other hand, is free and easier to customize.
True or False?
Linux & Unix Commands - Search Man Pages

mq_getsetattr(2) [bsd man page]

MQ_GETSETATTR(2)					     Linux Programmer's Manual						  MQ_GETSETATTR(2)

NAME
mq_getsetattr - get/set message queue attributes SYNOPSIS
#include <sys/types.h> #include <mqueue.h> int mq_getsetattr(mqd_t mqdes, struct mq_attr *newattr, struct mq_attr *oldattr); Note: There is no glibc wrapper for this system call; see NOTES. DESCRIPTION
Do not use this system call. This is the low-level system call used to implement mq_getattr(3) and mq_setattr(3). For an explanation of how this system call operates, see the description of mq_setattr(3). CONFORMING TO
This interface is nonstandard; avoid its use. NOTES
Glibc does not provide a wrapper for this system call; call it using syscall(2). (Actually, never call it unless you are writing a C library!) SEE ALSO
mq_getattr(3), mq_overview(7) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 MQ_GETSETATTR(2)

Check Out this Related Man Page

MQ_GETSETATTR(2)					     Linux Programmer's Manual						  MQ_GETSETATTR(2)

NAME
mq_getsetattr - get/set message queue attributes SYNOPSIS
#include <sys/types.h> #include <mqueue.h> int mq_getsetattr(mqd_t mqdes, struct mq_attr *newattr, struct mq_attr *oldattr); Note: There is no glibc wrapper for this system call; see NOTES. DESCRIPTION
Do not use this system call. This is the low-level system call used to implement mq_getattr(3) and mq_setattr(3). For an explanation of how this system call operates, see the description of mq_setattr(3). CONFORMING TO
This interface is nonstandard; avoid its use. NOTES
Glibc does not provide a wrapper for this system call; call it using syscall(2). (Actually, never call it unless you are writing a C library!) SEE ALSO
mq_getattr(3), mq_overview(7) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux 2017-09-15 MQ_GETSETATTR(2)

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