[18/39] lookup_dcookie.2: Use syscall(SYS_...); for system calls without a wrapper

Message ID 20210510175546.28445-19-alx.manpages@gmail.com
State New
Headers show
Series
  • man2: SYNOPSIS: Fix headers, use syscall(), and other fixes
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Commit Message

Carlos O'Donell via Libc-alpha May 10, 2021, 5:55 p.m.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

---
 man2/lookup_dcookie.2 | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

-- 
2.31.1

Patch

diff --git a/man2/lookup_dcookie.2 b/man2/lookup_dcookie.2
index 2f0559707..6c178e367 100644
--- a/man2/lookup_dcookie.2
+++ b/man2/lookup_dcookie.2
@@ -29,11 +29,18 @@ 
 lookup_dcookie \- return a directory entry's path
 .SH SYNOPSIS
 .nf
-.BI "int lookup_dcookie(uint64_t " cookie ", char *" buffer ", size_t " len );
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
+.PP
+.BI "int syscall(SYS_lookup_dcookie, uint64_t " cookie ", char *" buffer ,
+.BI "            size_t " len );
 .fi
 .PP
 .IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+glibc provides no wrapper for
+.BR lookup_dcookie (),
+necessitating the use of
+.BR syscall (2).
 .SH DESCRIPTION
 Look up the full path of the directory entry specified by the value
 .IR cookie .
@@ -92,8 +99,5 @@  It relies on a kernel driver to register cookies for directory entries.
 .PP
 The path returned may be suffixed by the string " (deleted)" if the directory
 entry has been removed.
-.PP
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
 .SH SEE ALSO
 .BR oprofile (1)