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| author | Jeff Brown <jeffbrown@google.com> | 2011-11-18 15:17:07 -0800 |
|---|---|---|
| committer | Jeff Brown <jeffbrown@google.com> | 2011-11-18 16:40:48 -0800 |
| commit | 10c8ce59a40a1d8ae8f49145eca365b364aabe58 (patch) | |
| tree | 5157c1d270cda4e2933a0e7fedf8b5ed6b920f96 /libc/arch-x86/syscalls | |
| parent | 4b469eae40368913b2841b390dada6c58296c602 (diff) | |
| download | bionic-10c8ce59a40a1d8ae8f49145eca365b364aabe58.zip bionic-10c8ce59a40a1d8ae8f49145eca365b364aabe58.tar.gz bionic-10c8ce59a40a1d8ae8f49145eca365b364aabe58.tar.bz2 | |
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
Diffstat (limited to 'libc/arch-x86/syscalls')
| -rw-r--r-- | libc/arch-x86/syscalls/tgkill.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/arch-x86/syscalls/tgkill.S b/libc/arch-x86/syscalls/tgkill.S new file mode 100644 index 0000000..99af740 --- /dev/null +++ b/libc/arch-x86/syscalls/tgkill.S @@ -0,0 +1,29 @@ +/* autogenerated by gensyscalls.py */ +#include <sys/linux-syscalls.h> + + .text + .type tgkill, @function + .globl tgkill + .align 4 + +tgkill: + pushl %ebx + pushl %ecx + pushl %edx + mov 16(%esp), %ebx + mov 20(%esp), %ecx + mov 24(%esp), %edx + movl $__NR_tgkill, %eax + int $0x80 + cmpl $-129, %eax + jb 1f + negl %eax + pushl %eax + call __set_errno + addl $4, %esp + orl $-1, %eax +1: + popl %edx + popl %ecx + popl %ebx + ret |