Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> --- man2/tkill.2 | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/man2/tkill.2 b/man2/tkill.2 index a6752591b..6ff930e17 100644 --- a/man2/tkill.2 +++ b/man2/tkill.2 @@ -31,14 +31,22 @@ tkill, tgkill \- send a signal to a thread .SH SYNOPSIS .nf -.BI "int tkill(pid_t " tid ", int " sig ); -.BI "int tgkill(pid_t " tgid ", pid_t " tid ", int " sig ); +.BR "#include <signal.h>" " /* Definition of " SIG* " constants */" +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" +.B #include <unistd.h> +.PP +.BI "int syscall(SYS_tkill, pid_t " tid ", int " sig ); +.PP +.B #include <signal.h> +.PP +.BI "int tgkill, pid_t " tgid ", pid_t " tid ", int " sig ); .fi .PP .IR Note : -There is no glibc wrapper for -.BR tkill (); -see NOTES. +glibc provides no wrapper for +.BR tkill (), +necessitating the use of +.BR syscall (2). .SH DESCRIPTION .BR tgkill () sends the signal @@ -138,10 +146,6 @@ in .BR clone (2) for an explanation of thread groups. .PP -Glibc does not provide a wrapper for -.BR tkill (); -call it using -.BR syscall (2). Before glibc 2.30, there was also no wrapper function for .BR tgkill (). .SH SEE ALSO -- 2.32.0
