LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

Added section describing relationship between library 

interfaces and system calls.
Added SEE ALSO referring to new mq_getsetattr.2.
This commit is contained in:
Michael Kerrisk 2006-05-12 19:35:05 +00:00
parent 694ae673a7
commit c4ac1bc4e4
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
man7/mq_overview.7
View File

@ -84,6 +84,28 @@ On Linux,
returns 32768, but POSIX.1-2001 only requires
an implementation to support priorities in the range 0 to 31;
some implementations only provide this range.
.SS Library interfaces and system calls
In most cases the
.B mq_*()
library interfaces listed above are implemented
on top of underlying system calls of the same name.
Deviations from this scheme are indicated in the following table:
.in +0.25i
.TS
lB lB
l l.
Library interface System call
mq_close(3) close(2)
mq_getattr(3) mq_getsetattr(2)
mq_open(3) mq_open(2)
mq_receive(3) mq_timedreceive(2)
mq_send(3) mq_timedsend(2)
mq_setattr(3) mq_getsetattr(2)
mq_timedreceive(3) mq_timedreceive(2)
mq_timedsend(3) mq_timedsend(2)
mq_unlink(3) mq_unlink(2)
.TE
.in -0.25i
.SH LINUX SPECIFIC DETAILS
.SS Versions
POSIX message queues have been supported on Linux since kernel 2.6.6.