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mmap2.2: Use syscall(SYS_...); for system calls without a wrapper 

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2021-05-10 19:55:31 +02:00 committed by Michael Kerrisk
parent 01ee7ce9b7
commit 0eefb56c95
1 changed files with 6 additions and 4 deletions
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10
man2/mmap2.2
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@ -31,11 +31,13 @@
mmap2 \- map files or devices into memory
.SH SYNOPSIS
.nf
.B #include <sys/mman.h>
.BR "#include <sys/mman.h>" " /* Definition of " MAP_* " and " PROT_* " constants */"
.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
.BR "#include <unistd.h>
.PP
.BI "void *mmap2(unsigned long " addr ", unsigned long " length ,
.BI " unsigned long " prot ", unsigned long " flags ,
.BI " unsigned long " fd ", unsigned long " pgoffset );
.BI "void *syscall(SYS_mmap2, unsigned long " addr ", unsigned long " length ,
.BI " unsigned long " prot ", unsigned long " flags ,
.BI " unsigned long " fd ", unsigned long " pgoffset );
.fi
.SH DESCRIPTION
This is probably not the system call that you are interested in; instead, see