platform_bionic/libc/arch-sh/syscalls/tgkill.S
Jeff Brown 10c8ce59a4 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
2011-11-18 16:40:48 -08:00

32 lines
536 B
ArmAsm

/* autogenerated by gensyscalls.py */
#include <sys/linux-syscalls.h>
.text
.type tgkill, @function
.globl tgkill
.align 4
tgkill:
/* invoke trap */
mov.l 0f, r3 /* trap num */
trapa #(3 + 0x10)
/* check return value */
cmp/pz r0
bt __NR_tgkill_end
/* keep error number */
sts.l pr, @-r15
mov.l 1f, r1
jsr @r1
mov r0, r4
lds.l @r15+, pr
__NR_tgkill_end:
rts
nop
.align 2
0: .long __NR_tgkill
1: .long __set_syscall_errno