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[sanitizer_common] Fix TgKill on Solaris #98000

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Jul 16, 2024
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4 changes: 3 additions & 1 deletion compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -563,7 +563,9 @@ int TgKill(pid_t pid, tid_t tid, int sig) {
return internal_syscall(SYSCALL(thr_kill2), pid, tid, sig);
# elif SANITIZER_SOLARIS
(void)pid;
return thr_kill(tid, sig);
errno = thr_kill(tid, sig);
// TgKill is expected to return -1 on error, not an errno.
return errno != 0 ? -1 : 0;
# endif
}
# endif
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