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Write some tests for unveil()

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See #490
This commit is contained in:
Justine Tunney 2022-07-18 02:11:06 -07:00
parent 1c6b5c0acd
commit 38c3fa63fe
14 changed files with 646 additions and 352 deletions
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3
libc/intrin/assertfail.greg.c
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@ -19,6 +19,7 @@
#include "libc/assert.h"
#include "libc/bits/weaken.h"
#include "libc/calls/calls.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/lockcmpxchgp.h"
@ -40,7 +41,7 @@ relegated void __assert_fail(const char *expr, const char *file, int line) {
owner = 0;
me = sys_gettid();
kprintf("%s:%d: assert(%s) failed (tid %d)\n", file, line, expr, me);
if (_lockcmpxchgp(&sync, &owner, me)) {
if (__vforked || _lockcmpxchgp(&sync, &owner, me)) {
__restore_tty();
if (weaken(ShowBacktrace)) {
weaken(ShowBacktrace)(2, __builtin_frame_address(0));