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ANDROID: Add vendor hooks to signal.

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Add vendor hook to get signal for vendor-specific tuning.

Bug: 184898838

Signed-off-by: Zhuguangqing <zhuguangqing@xiaomi.com>
Change-Id: I83a28b0a6eb413976f4c57f2314d008ad792fa0d
This commit is contained in:
Zhuguangqing
2021-03-10 14:56:02 +08:00
committed by Guangqing Zhu
parent 128b8a7ad2
commit d623f1ff72
3 changed files with 22 additions and 1 deletions
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4
kernel/signal.c
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@@ -57,6 +57,8 @@
#include <asm/siginfo.h>
#include <asm/cacheflush.h>
#undef CREATE_TRACE_POINTS
#include <trace/hooks/signal.h>
/*
* SLAB caches for signal bits.
*/
@@ -1299,7 +1301,7 @@ int do_send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p
{
unsigned long flags;
int ret = -ESRCH;
trace_android_vh_do_send_sig_info(sig, current, p);
if (lock_task_sighand(p, &flags)) {
ret = send_signal(sig, info, p, type);
unlock_task_sighand(p, &flags);