cosmopolitan/test/libc/runtime/sigsetjmp_test.c
2023-09-10 08:17:44 -07:00

59 lines
2.7 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/struct/sigset.h"
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/sa.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/testlib.h"
#ifdef __x86_64__
sigjmp_buf jb;
volatile int sigs;
volatile int jumps;
void OnSignal(int sig, siginfo_t *si, void *ctx) {
++sigs;
}
TEST(sigsetjmp, test) {
sigset_t ss;
int i, n = 1000;
struct sigaction sa = {.sa_sigaction = OnSignal};
ASSERT_SYS(0, 0, sigaction(SIGUSR1, &sa, 0));
for (i = 0; i < n; ++i) {
if (!sigsetjmp(jb, 1)) {
sigemptyset(&ss);
sigaddset(&ss, SIGUSR1);
ASSERT_SYS(0, 0, sigprocmask(SIG_BLOCK, &ss, 0));
ASSERT_SYS(0, 0, raise(SIGUSR1));
siglongjmp(jb, 1);
} else {
++jumps;
}
}
ASSERT_EQ(1000, jumps);
ASSERT_EQ(1000, sigs);
}
#endif /* __x86_64__ */