diff options
| -rw-r--r-- | src/exit/exit.c | 6 |
1 files changed, 4 insertions, 2 deletions
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 <unistd.h> #include <stdio.h> #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(); |