[PATCH 08/39] ioprio_set.2: Use syscall(SYS_...); for system calls without a wrapper
Alejandro Colomar
alx.manpages@gmail.com
Mon May 10 17:55:17 GMT 2021
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/ioprio_set.2 | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/man2/ioprio_set.2 b/man2/ioprio_set.2
index 91ec03f3b..c110725f0 100644
--- a/man2/ioprio_set.2
+++ b/man2/ioprio_set.2
@@ -26,12 +26,18 @@
ioprio_get, ioprio_set \- get/set I/O scheduling class and priority
.SH SYNOPSIS
.nf
-.BI "int ioprio_get(int " which ", int " who );
-.BI "int ioprio_set(int " which ", int " who ", int " ioprio );
+.BR "#include <linux/ioprio.h> " "/* Definition of " IOPRIO_* " constants */"
+.BR "#include <sys/syscall.h> " "/* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
+.PP
+.BI "int syscall(SYS_ioprio_get, int " which ", int " who );
+.BI "int syscall(SYS_ioprio_set, int " which ", int " who ", int " ioprio );
.fi
.PP
.IR Note :
-There are no glibc wrappers for these system calls; see NOTES.
+glibc provides no wrappers for these system calls,
+necessitating the use of
+.BR syscall (2).
.SH DESCRIPTION
The
.BR ioprio_get ()
@@ -199,9 +205,6 @@ kernel 2.6.13.
.SH CONFORMING TO
These system calls are Linux-specific.
.SH NOTES
-Glibc does not provide a wrapper for these system calls; call them using
-.BR syscall (2).
-.PP
Two or more processes or threads can share an I/O context.
This will be the case when
.BR clone (2)
--
2.31.1
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