mirror of
https://github.com/jart/cosmopolitan.git
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f7ff77d865
- Invent iso8601us() for faster timestamps - Improve --strace descriptions of sigset_t - Rebuild the Landlock Make bootstrap binary - Introduce MODE=sysv for non-Windows builds - Permit OFD fcntl() locks under pledge(flock) - redbean can now protect your kernel from ddos - Have vfork() fallback to sys_fork() not fork() - Change kmalloc() to not die when out of memory - Improve documentation for some termios functions - Rewrite putenv() and friends to conform to POSIX - Fix linenoise + strace verbosity issue on Windows - Fix regressions in our ability to show backtraces - Change redbean SetHeader() to no-op if value is nil - Improve fcntl() so SQLite locks work in non-WAL mode - Remove some unnecessary work during fork() on Windows - Create redbean-based SSL reverse proxy for IPv4 TurfWar - Fix ape/apeinstall.sh warning when using non-bash shells - Add ProgramTrustedIp(), and IsTrustedIp() APIs to redbean - Support $PWD, $UID, $GID, and $EUID in command interpreter - Introduce experimental JTqFpD APE prefix for non-Windows builds - Invent blackhole daemon for firewalling IP addresses via UNIX named socket - Add ProgramTokenBucket(), AcquireToken(), and CountTokens() APIs to redbean
56 lines
3 KiB
C
56 lines
3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/syscall-nt.internal.h"
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#include "libc/calls/syscall-sysv.internal.h"
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#include "libc/dce.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/str/str.h"
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/**
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* Sends signal to process.
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*
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* The impact of this action can be terminating the process, or
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* interrupting it to request something happen.
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*
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* @param pid can be:
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* >0 signals one process by id
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* =0 signals all processes in current process group
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* -1 signals all processes possible (except init)
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* <-1 signals all processes in -pid process group
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* @param sig can be:
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* >0 can be SIGINT, SIGTERM, SIGKILL, SIGUSR1, etc.
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* =0 checks both if pid exists and we can signal it
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* @return 0 if something was accomplished, or -1 w/ errno
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* @raise ESRCH if `pid` couldn't be found
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* @raise EPERM if lacked permission to signal process
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* @raise EPERM if pledge() is in play without `proc` promised
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* @raise EINVAL if the provided `sig` is invalid or unsupported
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* @asyncsignalsafe
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*/
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int kill(int pid, int sig) {
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int rc;
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if (!IsWindows()) {
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rc = sys_kill(pid, sig, 1);
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} else {
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rc = sys_kill_nt(pid, sig);
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}
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STRACE("kill(%d, %G) → %d% m", pid, sig, rc);
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return rc;
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}
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