From 0b4c92b7acf63529858e7f8a3bb6505cd2b6e962 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 1 Sep 2018 01:46:44 -0400 Subject: [PATCH] optimize raise not to make a syscall for getting tid assuming signals are blocked, which they are here, the tid in the thread structure is always valid and cannot change out from under us. --- src/signal/raise.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/signal/raise.c b/src/signal/raise.c index 717b1c91..f0512019 100644 --- a/src/signal/raise.c +++ b/src/signal/raise.c @@ -5,11 +5,9 @@ int raise(int sig) { - int tid, ret; sigset_t set; __block_app_sigs(&set); - tid = __syscall(SYS_gettid); - ret = syscall(SYS_tkill, tid, sig); + int ret = syscall(SYS_tkill, __pthread_self()->tid, sig); __restore_sigs(&set); return ret; } -- 2.25.1