Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 257 insertions, 0 deletions

diff --git a/nsprpub/pr/src/io/prio.c b/nsprpub/pr/src/io/prio.c
new file mode 100644
index 0000000000..745d7721b9
--- /dev/null
+++ b/nsprpub/pr/src/io/prio.c
@@ -0,0 +1,257 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "primpl.h"
+
+#include <string.h> /* for memset() */
+
+
+/************************************************************************/
+
+PRLock *_pr_flock_lock;
+PRCondVar *_pr_flock_cv;
+
+#ifdef WINCE
+/*
+ * There are no stdin, stdout, stderr in Windows CE.  INVALID_HANDLE_VALUE
+ * should cause all I/O functions on the handle to fail.
+ */
+#define STD_INPUT_HANDLE  ((DWORD)-10)
+#define STD_OUTPUT_HANDLE ((DWORD)-11)
+#define STD_ERROR_HANDLE  ((DWORD)-12)
+
+static HANDLE GetStdHandle(DWORD nStdHandle)
+{
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return INVALID_HANDLE_VALUE;
+}
+#endif
+
+void _PR_InitIO(void)
+{
+    const PRIOMethods *methods = PR_GetFileMethods();
+
+    _PR_InitFdCache();
+
+    _pr_flock_lock = PR_NewLock();
+    _pr_flock_cv = PR_NewCondVar(_pr_flock_lock);
+
+#ifdef WIN32
+    _pr_stdin = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_INPUT_HANDLE),
+                                 methods);
+    _pr_stdout = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_OUTPUT_HANDLE),
+                                  methods);
+    _pr_stderr = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_ERROR_HANDLE),
+                                  methods);
+#ifdef WINNT
+    _pr_stdin->secret->md.sync_file_io = PR_TRUE;
+    _pr_stdout->secret->md.sync_file_io = PR_TRUE;
+    _pr_stderr->secret->md.sync_file_io = PR_TRUE;
+#endif
+#else
+    _pr_stdin = PR_AllocFileDesc(0, methods);
+    _pr_stdout = PR_AllocFileDesc(1, methods);
+    _pr_stderr = PR_AllocFileDesc(2, methods);
+#endif
+    _PR_MD_INIT_FD_INHERITABLE(_pr_stdin, PR_TRUE);
+    _PR_MD_INIT_FD_INHERITABLE(_pr_stdout, PR_TRUE);
+    _PR_MD_INIT_FD_INHERITABLE(_pr_stderr, PR_TRUE);
+
+    _PR_MD_INIT_IO();
+}
+
+void _PR_CleanupIO(void)
+{
+    PR_FreeFileDesc(_pr_stdin);
+    _pr_stdin = NULL;
+    PR_FreeFileDesc(_pr_stdout);
+    _pr_stdout = NULL;
+    PR_FreeFileDesc(_pr_stderr);
+    _pr_stderr = NULL;
+
+    if (_pr_flock_cv) {
+        PR_DestroyCondVar(_pr_flock_cv);
+        _pr_flock_cv = NULL;
+    }
+    if (_pr_flock_lock) {
+        PR_DestroyLock(_pr_flock_lock);
+        _pr_flock_lock = NULL;
+    }
+
+    _PR_CleanupFdCache();
+}
+
+PR_IMPLEMENT(PRFileDesc*) PR_GetSpecialFD(PRSpecialFD osfd)
+{
+    PRFileDesc *result = NULL;
+    PR_ASSERT((int) osfd >= PR_StandardInput && osfd <= PR_StandardError);
+
+    if (!_pr_initialized) {
+        _PR_ImplicitInitialization();
+    }
+
+    switch (osfd)
+    {
+        case PR_StandardInput: result = _pr_stdin; break;
+        case PR_StandardOutput: result = _pr_stdout; break;
+        case PR_StandardError: result = _pr_stderr; break;
+        default:
+            (void)PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
+    }
+    return result;
+}
+
+PR_IMPLEMENT(PRFileDesc*) PR_AllocFileDesc(
+    PROsfd osfd, const PRIOMethods *methods)
+{
+    PRFileDesc *fd;
+
+#ifdef XP_UNIX
+    /*
+     * Assert that the file descriptor is small enough to fit in the
+     * fd_set passed to select
+     */
+    PR_ASSERT(osfd < FD_SETSIZE);
+#endif
+    fd = _PR_Getfd();
+    if (fd) {
+        /* Initialize the members of PRFileDesc and PRFilePrivate */
+        fd->methods = methods;
+        fd->secret->state = _PR_FILEDESC_OPEN;
+        fd->secret->md.osfd = osfd;
+#if defined(_WIN64)
+        fd->secret->alreadyConnected = PR_FALSE;
+        fd->secret->overlappedActive = PR_FALSE;
+#endif
+        _PR_MD_INIT_FILEDESC(fd);
+    } else {
+        PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+    }
+
+    return fd;
+}
+
+PR_IMPLEMENT(void) PR_FreeFileDesc(PRFileDesc *fd)
+{
+    PR_ASSERT(fd);
+    _PR_Putfd(fd);
+}
+
+#if defined(_WIN64) && defined(WIN95)
+
+PRFileDescList *_fd_waiting_for_overlapped_done = NULL;
+PRLock *_fd_waiting_for_overlapped_done_lock = NULL;
+
+void CheckOverlappedPendingSocketsAreDone()
+{
+    if (!_fd_waiting_for_overlapped_done_lock ||
+        !_fd_waiting_for_overlapped_done) {
+        return;
+    }
+
+    PR_Lock(_fd_waiting_for_overlapped_done_lock);
+
+    PRFileDescList *cur = _fd_waiting_for_overlapped_done;
+    PRFileDescList *previous = NULL;
+    while (cur) {
+        PR_ASSERT(cur->fd->secret->overlappedActive);
+        PRFileDesc *fd = cur->fd;
+        DWORD rvSent;
+        if (GetOverlappedResult((HANDLE)fd->secret->md.osfd, &fd->secret->ol, &rvSent, FALSE) == TRUE) {
+            fd->secret->overlappedActive = PR_FALSE;
+            PR_LOG(_pr_io_lm, PR_LOG_MIN,
+                   ("CheckOverlappedPendingSocketsAreDone GetOverlappedResult succeeded\n"));
+        } else {
+            DWORD err = WSAGetLastError();
+            PR_LOG(_pr_io_lm, PR_LOG_MIN,
+                   ("CheckOverlappedPendingSocketsAreDone GetOverlappedResult failed %d\n", err));
+            if (err != ERROR_IO_INCOMPLETE) {
+                fd->secret->overlappedActive = PR_FALSE;
+            }
+        }
+
+        if (!fd->secret->overlappedActive) {
+
+            _PR_MD_CLOSE_SOCKET(fd->secret->md.osfd);
+            fd->secret->state = _PR_FILEDESC_CLOSED;
+#ifdef _PR_HAVE_PEEK_BUFFER
+            if (fd->secret->peekBuffer) {
+                PR_ASSERT(fd->secret->peekBufSize > 0);
+                PR_DELETE(fd->secret->peekBuffer);
+                fd->secret->peekBufSize = 0;
+                fd->secret->peekBytes = 0;
+            }
+#endif
+
+            PR_FreeFileDesc(fd);
+
+            if (previous) {
+                previous->next = cur->next;
+            } else {
+                _fd_waiting_for_overlapped_done = cur->next;
+            }
+            PRFileDescList *del = cur;
+            cur = cur->next;
+            PR_Free(del);
+        } else {
+            previous = cur;
+            cur = cur->next;
+        }
+    }
+
+    PR_Unlock(_fd_waiting_for_overlapped_done_lock);
+}
+#endif
+
+/*
+** Wait for some i/o to finish on one or more more poll descriptors.
+*/
+PR_IMPLEMENT(PRInt32) PR_Poll(PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout)
+{
+#if defined(_WIN64) && defined(WIN95)
+    // For each iteration check if TFO overlapped IOs are down.
+    CheckOverlappedPendingSocketsAreDone();
+#endif
+
+    return(_PR_MD_PR_POLL(pds, npds, timeout));
+}
+
+/*
+** Set the inheritance attribute of a file descriptor.
+*/
+PR_IMPLEMENT(PRStatus) PR_SetFDInheritable(
+    PRFileDesc *fd,
+    PRBool inheritable)
+{
+#if defined(XP_UNIX) || defined(WIN32) || defined(XP_OS2)
+    /*
+     * Only a non-layered, NSPR file descriptor can be inherited
+     * by a child process.
+     */
+    if (fd->identity != PR_NSPR_IO_LAYER) {
+        PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
+        return PR_FAILURE;
+    }
+    if (fd->secret->inheritable != inheritable) {
+        if (_PR_MD_SET_FD_INHERITABLE(fd, inheritable) == PR_FAILURE) {
+            return PR_FAILURE;
+        }
+        fd->secret->inheritable = inheritable;
+    }
+    return PR_SUCCESS;
+#else
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return PR_FAILURE;
+#endif
+}
+
+/*
+** This function only has a useful implementation in the debug build of
+** the pthreads version.
+*/
+PR_IMPLEMENT(void) PT_FPrintStats(PRFileDesc *debug_out, const char *msg)
+{
+    /* do nothing */
+}  /* PT_FPrintStats */