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author | Rich Felker <dalias@aerifal.cx> | 2018-09-01 01:46:44 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2018-09-01 01:46:44 -0400 |
commit | 0b4c92b7acf63529858e7f8a3bb6505cd2b6e962 (patch) | |
tree | bb0cb0e462edcd13840b6bad2b351788fae1b496 /src | |
parent | cff4b910ab210e5c35f768c75c4562b3ae3e86f2 (diff) | |
download | musl-0b4c92b7acf63529858e7f8a3bb6505cd2b6e962.tar.gz musl-0b4c92b7acf63529858e7f8a3bb6505cd2b6e962.tar.bz2 musl-0b4c92b7acf63529858e7f8a3bb6505cd2b6e962.tar.xz musl-0b4c92b7acf63529858e7f8a3bb6505cd2b6e962.zip |
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.
Diffstat (limited to 'src')
-rw-r--r-- | src/signal/raise.c | 4 |
1 files changed, 1 insertions, 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; } |