Add tgkill syscall.
Use tgkill instead of tkill to implement pthread_kill.
This is safer in the event that the thread has already terminated
and its id has been reused by a different process.
Change-Id: Ied715e11d7eadeceead79f33db5e2b5722954ac9
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 3b85025..13edeb0 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -26,6 +26,7 @@
syscall_src += arch-x86/syscalls/__brk.S
syscall_src += arch-x86/syscalls/kill.S
syscall_src += arch-x86/syscalls/tkill.S
+syscall_src += arch-x86/syscalls/tgkill.S
syscall_src += arch-x86/syscalls/__ptrace.S
syscall_src += arch-x86/syscalls/__set_thread_area.S
syscall_src += arch-x86/syscalls/__getpriority.S