sys_kill(9)

okay bestie, welcome to the sys_kill(9) page from the Kernel API Manual — yes, the manual name is folded in right here, cute and cozy 🫶. This one is short and iconic: it sends a signal to a process, periodt. 💅

🌸 NAME 🌸

sys_kill — send a signal to a process 😭✨

🦋 SYNOPSIS 🦋

the signature is literally this, no cap:

long sys_kill (pid_t pid , int sig );

🎀 ARGUMENTS 🎀

• pid — the PID of the process 💖
• sig — signal to be sent ✨

👑 SEE ALSO 👑

Kernel file ./kernel/signal.c is right here in the group chat 🫶, and the whole (9) crew is tagged:

• task_set_jobctl_pending(9)
• task_clear_jobctl_trapping(9)
• task_clear_jobctl_pending(9)
• task_participate_group_stop(9)
• ptrace_trap_notify(9)
• force_sig_seccomp(9)
• do_notify_parent_cldstop(9)
• do_signal_stop(9)
• do_jobctl_trap(9)
• do_freezer_trap(9)
• signal_delivered(9)
• sys_restart_syscall(9)
• set_current_blocked(9)
• sys_rt_sigprocmask(9)
• sys_rt_sigpending(9)
• copy_siginfo_to_external32(9)
• do_sigtimedwait(9)
• sys_rt_sigtimedwait(9)
• sys_pidfd_send_signal(9)
• sys_tgkill(9)
• sys_tkill(9)
• sys_rt_sigqueueinfo(9)
• sys_sigpending(9)
• sys_sigprocmask(9)
• sys_rt_sigaction(9)
• sys_rt_sigsuspend(9)

mwah 💋 this page is from ./kernel, dated October 2026, and it’s the sys_kill(9) manual page. bye bestie, slay 🧚💜