RECVMMSG(2) Linux Programmer's Manual RECVMMSG(2)NAMErt_tgsigqueueinfo - Send signal information to a signal to a thread
SYNOPSIS
long sys_rt_tgsigqueueinfo (int tgid, int tid, int sig,
siginfo_t *uinfo);
DESCRIPTIONrt_tgsigqueueinfo() sends the signal sig with the information uinfo to
the thread with the thread ID tid in the thread group tgid. By con‐
trast, rt_sigqueueinfo(2) can only be used to send a signal info to a
process (i.e., thread group) s a whole, and the signal will be deliv‐
ered to an arbitrary thread within that process.
RETURN VALUErt_tgsigqueueinfo() returns 0 on success. On error, -1 is returned,
and errno is set appropriately.
ERRORS
EFAULT An invalid value for uinfo was specified.
EINVAL An invalid tid, TGID or sig was specified.
EPERM Permission denied. For the required permissions, see
rt_sigqueueinfo(2). ESRCH No process with the specified tid and
tgid exists.
SEE ALSOrt_sigqueueinfo(2)Linux 2011-02-09 RECVMMSG(2)