X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fexit%2Fexit.c;h=fc2914844959eac78a3f76dccb302ef0d3d8fe25;hp=ae557c090d1793220764dc413267a4e8e29c5e35;hb=47c2a22fd6adcaf3f27b093df49bd97e3fdc16e7;hpb=7e310e591e61cde57cf3960d6a064a1de2e94e6c diff --git a/src/exit/exit.c b/src/exit/exit.c index ae557c09..fc291484 100644 --- a/src/exit/exit.c +++ b/src/exit/exit.c @@ -2,6 +2,8 @@ #include #include #include "libc.h" +#include "atomic.h" +#include "syscall.h" static void dummy() { @@ -13,10 +15,10 @@ weak_alias(dummy, __fflush_on_exit); void exit(int code) { - static int lock[2]; + static int lock; /* If more than one thread calls exit, hang until _Exit ends it all */ - LOCK(lock); + while (a_swap(&lock, 1)) __syscall(SYS_pause); /* Only do atexit & stdio flush if they were actually used */ __funcs_on_exit();