src/system/libroot/posix/signal/kill.c

   1 /*
   2  * Copyright 2004-2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <errno.h>
   8 #include <signal.h>
   9
  10 #include <OS.h>
  11
  12 #include <errno_private.h>
  13 #include <syscalls.h>
  14
  15
  16 int
  17 kill(pid_t pid, int sig)
  18 {
  19         status_t status;
  20
  21         if (sig < 0) {
  22                 __set_errno(EINVAL);
  23                 return -1;
  24         }
  25
  26         status = _kern_send_signal(pid, sig, NULL, 0);
  27         if (status != B_OK) {
  28                 // translate B_BAD_THREAD_ID/B_BAD_TEAM_ID to ESRCH
  29                 if (status == B_BAD_THREAD_ID || status == B_BAD_TEAM_ID)
  30                         status = ESRCH;
  31
  32                 __set_errno(status);
  33                 return -1;
  34         }
  35
  36         return 0;
  37 }