[v4,25/35] get_robust_list.2: Use syscall(SYS_...); for system calls without a wrapper

Message ID 20210403194026.102818-26-alx.manpages@gmail.com
State Superseded
Headers show
Series
  • SYNOPSIS: Use syscall(SYS_...); and fix '#include's
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Commit Message

Vitaly Buka via Libc-alpha April 3, 2021, 7:40 p.m.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

---
 man2/get_robust_list.2 | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

-- 
2.31.0

Patch

diff --git a/man2/get_robust_list.2 b/man2/get_robust_list.2
index dd43cded2..b1368ddd3 100644
--- a/man2/get_robust_list.2
+++ b/man2/get_robust_list.2
@@ -32,16 +32,16 @@ 
 get_robust_list, set_robust_list \- get/set list of robust futexes
 .SH SYNOPSIS
 .nf
-.B #include <linux/futex.h>
-.B #include <syscall.h>
+.BR "#include <linux/futex.h>" \
+"    /* Definition of " "struct robust_list_head" " */"
+.BR "#include <sys/syscall.h>" "    /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
 .PP
-.BI "long get_robust_list(int " pid ", struct robust_list_head **" head_ptr ,
-.BI "                     size_t *" len_ptr );
-.BI "long set_robust_list(struct robust_list_head *" head ", size_t " len );
+.BI "long syscall(SYS_get_robust_list, int " pid ,
+.BI "             struct robust_list_head **" head_ptr ", size_t *" len_ptr );
+.BI "long syscall(SYS_set_robust_list,"
+.BI "             struct robust_list_head *" head ", size_t " len );
 .fi
-.PP
-.IR Note :
-There are no glibc wrappers for these system calls; see NOTES.
 .SH DESCRIPTION
 These system calls deal with per-thread robust futex lists.
 These lists are managed in user space:
@@ -138,9 +138,6 @@  could be found.
 These system calls were added in Linux 2.6.17.
 .SH NOTES
 These system calls are not needed by normal applications.
-No support for them is provided in glibc.
-In the unlikely event that you want to call them directly, use
-.BR syscall (2).
 .PP
 A thread can have only one robust futex list;
 therefore applications that wish