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Improve system call support

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This commit is contained in:
Justine Tunney 2021-08-25 21:35:58 -07:00
parent 63b867bd2f
commit 3085ac7837
65 changed files with 900 additions and 544 deletions
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71
test/libc/sock/poll_test.c
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@ -16,64 +16,33 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/bits/bits.h"
#include "libc/calls/calls.h"
#include "libc/macros.internal.h"
#include "libc/runtime/gc.internal.h"
#include "libc/sock/sock.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/limits.h"
#include "libc/sysv/consts/poll.h"
#include "libc/sysv/consts/af.h"
#include "libc/sysv/consts/inaddr.h"
#include "libc/sysv/consts/ipproto.h"
#include "libc/sysv/consts/sock.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#include "tool/decode/lib/flagger.h"
#include "tool/decode/lib/pollnames.h"
#if 0 /* todo(jart): fix me */
#define POLL(FDS, TIMEOUT) \
poll(((struct pollfd[])FDS), ARRAYLEN(((struct pollfd[])FDS)), TIMOUT)
nodiscard char *FormatPollFd(struct pollfd *pol) {
return xasprintf("fd:%d revents:%s", pol->fd,
gc(recreateflags(kPollNames, pol->revents)));
nodiscard char *FormatPollFd(struct pollfd p[2]) {
return xasprintf("fd:%d revents:%s\n"
"fd:%d revents:%s\n",
p[0].fd, gc(RecreateFlags(kPollNames, p[0].revents)),
p[1].fd, gc(RecreateFlags(kPollNames, p[1].revents)));
}
TEST(poll, testNegativeOneFd_completelyIgnored) {
struct pollfd fds[] = {{-1}};
EXPECT_EQ(0, poll(fds, ARRAYLEN(fds), 0));
EXPECT_STREQ("fd:-1 revents:0", gc(FormatPollFd(&fds[0])));
TEST(poll, testNegativeOneFd_isIgnored) {
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
struct sockaddr_in addr = {AF_INET, 0, {htonl(INADDR_LOOPBACK)}};
ASSERT_SYS(0, 0, bind(3, &addr, sizeof(addr)));
ASSERT_SYS(0, 0, listen(3, 10));
struct pollfd fds[] = {{-1}, {3}};
EXPECT_SYS(0, 0, poll(fds, ARRAYLEN(fds), 1));
EXPECT_STREQ("fd:-1 revents:0\n"
"fd:3 revents:0\n",
gc(FormatPollFd(&fds[0])));
ASSERT_SYS(0, 0, close(3));
}
TEST(poll, demo) {
int rw[2];
char buf[2] = "hi";
ASSERT_NE(-1, pipe(rw));
ASSERT_EQ(2, write(rw[1], buf, sizeof(buf))); /* produce */
{
struct pollfd fds[] = {{rw[0], POLLIN}, {rw[1], POLLOUT}};
EXPECT_EQ(2, poll(fds, ARRAYLEN(fds), 0));
system(gc(xasprintf("ls -l /proc/%d/fd", getpid())));
EXPECT_STREQ("fd:3 revents:POLLIN", gc(FormatPollFd(fds + 0)));
EXPECT_STREQ("fd:4 revents:POLLOUT", gc(FormatPollFd(&fds[1])));
}
ASSERT_EQ(2, read(rw[0], buf, sizeof(buf))); /* consume */
{
struct pollfd fds[] = {{rw[0], POLLIN}, {rw[1], POLLOUT}};
EXPECT_EQ(1, poll(fds, ARRAYLEN(fds), 0));
EXPECT_STREQ("fd:3 revents:0", gc(FormatPollFd(&fds[0])));
EXPECT_STREQ("fd:4 revents:POLLOUT", gc(FormatPollFd(&fds[1])));
}
ASSERT_NE(-1, close(rw[1])); /* close producer */
{
struct pollfd fds[] = {{rw[0], POLLIN}, {rw[1], POLLOUT}};
EXPECT_EQ(2, poll(fds, ARRAYLEN(fds), 0));
EXPECT_STREQ("fd:3 revents:POLLHUP", gc(FormatPollFd(&fds[0])));
EXPECT_STREQ("fd:4 revents:POLLNVAL", gc(FormatPollFd(&fds[1])));
}
ASSERT_NE(-1, close(rw[0])); /* close consumer */
}
#endif