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Improve Windows Console I/O

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- Blocking read operations on the Windows Console can now EINTR
- Blocking read operations on Windows pipes now EINTR more reliably
- setitimer() will no longer be inherited across fork() on Windows
- It's now possible to use ECHO when the console is in raw mode
- The ECHOCTL flag now works correctly on the Windows Console
- The ICRNL flag now works correctly on the Windows Console
- pread() and pwrite() will now raise ESPIPE on Windows
- Opening /dev/tty on Windows is improved (untested)
- Overlapped I/O is now implemented in a better way
This commit is contained in:
Justine Tunney 2023-08-08 04:00:29 -07:00
parent decf216655
commit 33d280c8ba
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GPG key ID: BE714B4575D6E328
34 changed files with 580 additions and 376 deletions
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17
test/libc/calls/setitimer_test.c
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@ -21,18 +21,21 @@
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/timeval.h"
#include "libc/calls/ucontext.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/itimer.h"
#include "libc/sysv/consts/sa.h"
#include "libc/sysv/consts/sicode.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/subprocess.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
bool gotsig;
void SetUpOnce(void) {
ASSERT_SYS(0, 0, pledge("stdio", 0));
ASSERT_SYS(0, 0, pledge("stdio proc", 0));
}
void OnSigAlrm(int sig, siginfo_t *si, void *ctx) {
@ -59,3 +62,15 @@ TEST(setitimer, testSingleShot) {
EXPECT_EQ(0, sigaction(SIGUSR1, &oldalrm, 0));
EXPECT_EQ(true, gotsig);
}
TEST(setitimer, notInheritedAcrossFork) {
struct itimerval disarm = {0};
struct itimerval singleshot = {{0}, {100}};
ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, &singleshot, 0));
SPAWN(fork);
struct itimerval it;
ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, 0, &it));
ASSERT_TRUE(timeval_iszero(it.it_value));
EXITS(0);
ASSERT_SYS(0, 0, setitimer(ITIMER_REAL, &disarm, 0));
}