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Perform some code cleanup

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Justine Tunney 2022-10-04 23:32:16 -07:00
parent 174d288e66
commit fe3216e961
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GPG key ID: BE714B4575D6E328
14 changed files with 803 additions and 312 deletions
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68
test/libc/calls/write_test.c
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@ -20,13 +20,81 @@
#include "libc/calls/internal.h"
#include "libc/calls/struct/iovec.h"
#include "libc/calls/struct/iovec.internal.h"
#include "libc/calls/struct/rlimit.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/sock/internal.h"
#include "libc/sysv/consts/nr.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/rlimit.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/subprocess.h"
#include "libc/testlib/testlib.h"
char testlib_enable_tmp_setup_teardown;
TEST(write, notOpen_ebadf) {
ASSERT_SYS(EBADF, -1, write(-1, 0, 0));
ASSERT_SYS(EBADF, -1, write(+3, 0, 0));
}
TEST(write, readOnlyFd_ebadf) {
ASSERT_SYS(0, 0, touch("foo", 0644));
ASSERT_SYS(0, 3, open("foo", O_RDONLY));
ASSERT_SYS(EBADF, -1, write(3, "x", 1));
ASSERT_SYS(0, 0, close(3));
}
TEST(write, badMemory_efault) {
ASSERT_SYS(EFAULT, -1, write(1, 0, 1));
if (!IsAsan()) return;
ASSERT_SYS(EFAULT, -1, write(1, (void *)1, 1));
}
TEST(write, brokenPipe_sigpipeIgnored_returnsEpipe) {
int fds[2];
SPAWN(fork);
signal(SIGPIPE, SIG_IGN);
ASSERT_SYS(0, 0, pipe(fds));
ASSERT_SYS(0, 1, write(4, "x", 1));
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(EPIPE, -1, write(4, "x", 1));
ASSERT_SYS(0, 0, close(4));
EXITS(0);
}
TEST(write, brokenPipe_sigpipeBlocked_returnsEpipe) {
int fds[2];
sigset_t mask;
SPAWN(fork);
signal(SIGPIPE, SIG_DFL);
sigemptyset(&mask);
sigaddset(&mask, SIGPIPE);
sigprocmask(SIG_BLOCK, &mask, 0);
ASSERT_SYS(0, 0, pipe(fds));
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(EPIPE, -1, write(4, "x", 1));
ASSERT_SYS(0, 0, close(4));
EXITS(0);
}
TEST(write, rlimitFsizeExceeded_raisesEfbig) {
if (IsWindows()) return; // not supported
struct rlimit rl = {1, 10};
SPAWN(fork);
signal(SIGXFSZ, SIG_IGN);
ASSERT_SYS(0, 0, setrlimit(RLIMIT_FSIZE, &rl));
ASSERT_SYS(0, 3, creat("foo", 0644));
ASSERT_SYS(0, 1, write(3, "x", 1));
ASSERT_SYS(EFBIG, -1, write(3, "x", 1));
ASSERT_SYS(0, 0, close(3));
EXITS(0);
}
static long Write(long fd, const void *data, unsigned long size) {
long ax, di, si, dx;
asm volatile("syscall"