TGKILL(2) Linux Programmer's Guide TGKILL(2)NAMEtgkill - Send signal sig to one specific thread, tgid
SYNOPSIS
long sys_tgkill (int tgid, int pid, int sig);
DESCRIPTION
Same as tkill(pid,sig), but only sends the signal if the target thread
has its thread group ID tgid. Returns error code ESRCH if tgid does not
match, otherwise returns the tkill() result.
RETURN VALUEtgkill returns 0 on success; otherwise, tgkill returns one of the er‐
rors listed in the "Errors" section.
ERRORS-EINVAL
tgkill returns this error if pid or tgid are less than zero.
This call is only valid for single tasks.
-ESRCH This error is returned if pid exists but no longer belongs to
the target process.
SEE ALSOtkill(2), kill(2)AUTHOR
Niki Rahimi
Linux 2.6 2004-March-12 TGKILL(2)