implementation of sigqueue (3) and pthread_sigqueue (3). The rt_sigqueueinfo () system call sends ... sigaction (2), sigprocmask (2), tgkill (2), pthread_sigqueue (3), sigqueue (3)…implementation of sigqueue (3) and pthread_sigqueue (3). The rt_sigqueueinfo () system call sends ... sigaction (2), sigprocmask (2), tgkill (2), pthread_sigqueue (3), sigqueue (3)…sent using tgkill (2) or pthread_sigqueue (3), or because the thread executed a machinesent using tgkill (2) or pthread_sigqueue (3), or because the thread executed a machinesent using tgkill (2) or pthread_sigqueue (3), or because the thread executed a machine