diff mbox series

[17/39] llseek.2: Use syscall(SYS_...); for system calls without a wrapper

Message ID 20210510175546.28445-18-alx.manpages@gmail.com
State New
Headers show
Series man2: SYNOPSIS: Fix headers, use syscall(), and other fixes | expand

Commit Message

Alejandro Colomar \(man-pages\) May 10, 2021, 5:55 p.m. UTC
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/llseek.2 | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/man2/llseek.2 b/man2/llseek.2
index 6a36fb6ea..87f45f219 100644
--- a/man2/llseek.2
+++ b/man2/llseek.2
@@ -31,15 +31,19 @@ 
 _llseek \- reposition read/write file offset
 .SH SYNOPSIS
 .nf
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
 .B #include <unistd.h>
 .PP
-.BI "int _llseek(unsigned int " fd ", unsigned long " offset_high ,
+.BI "int syscall(SYS__llseek, unsigned int " fd ", unsigned long " offset_high ,
 .BI "            unsigned long " offset_low ", loff_t *" result ,
 .BI "            unsigned int " whence );
 .fi
 .PP
 .IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+glibc provides no wrapper for
+.BR _llseek (),
+necessitating the use of
+.BR syscall (2).
 .SH DESCRIPTION
 Note: for information about the
 .BR llseek (3)
@@ -97,10 +101,7 @@  is invalid.
 This function is Linux-specific, and should not be used in programs
 intended to be portable.
 .SH NOTES
-Glibc does not provide a wrapper for this system call.
-To invoke it directly, use
-.BR syscall (2).
-However, you probably want to use the
+You probably want to use the
 .BR lseek (2)
 wrapper function instead.
 .SH SEE ALSO