LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

pidfd_send_signal.2: Use syscall(SYS_...); for system calls without a wrapper. Fix includes too 

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 19:55:40 +02:00 committed by Michael Kerrisk
parent 46227ba213
commit 94df87ef9b
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
man2/pidfd_send_signal.2
View File

@ -27,14 +27,21 @@
pidfd_send_signal \- send a signal to a process specified by a file descriptor
.SH SYNOPSIS
.nf
.B "#include <signal.h>"
.BR "#include <linux/signal.h>" " /* Definition of " SIG* " constants */"
.BR "#include <signal.h>" " /* Definition of " SI_* " constants */"
.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
.B #include <unistd.h>
.PP
.BI "int pidfd_send_signal(int " pidfd ", int " sig ", siginfo_t *" info ,
.BI "int syscall(SYS_pidfd_send_signal, int " pidfd ", int " sig \
", siginfo_t *" info ,
.BI " unsigned int " flags );
.fi
.PP
.IR Note :
There is no glibc wrapper for this system call; see NOTES.
glibc provides no wrapper for
.BR pidfd_send_signal (),
necessitating the use of
.BR syscall (2).
.SH DESCRIPTION
The
.BR pidfd_send_signal ()
@ -136,9 +143,6 @@ first appeared in Linux 5.1.
.BR pidfd_send_signal ()
is Linux specific.
.SH NOTES
Glibc does not provide a wrapper for this system call; call it using
.BR syscall (2).
.\"
.SS PID file descriptors
The
.I pidfd