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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /nsprpub/pr/src/io/prfile.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'nsprpub/pr/src/io/prfile.c')
-rw-r--r--nsprpub/pr/src/io/prfile.c783
1 files changed, 783 insertions, 0 deletions
diff --git a/nsprpub/pr/src/io/prfile.c b/nsprpub/pr/src/io/prfile.c
new file mode 100644
index 000000000..e32031bbb
--- /dev/null
+++ b/nsprpub/pr/src/io/prfile.c
@@ -0,0 +1,783 @@
+/* -*- 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>
+#include <fcntl.h>
+
+#ifdef XP_UNIX
+#if defined(AIX) || defined(QNX)
+/* To pick up sysconf */
+#include <unistd.h>
+#else
+/* To pick up getrlimit, setrlimit */
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+#endif /* XP_UNIX */
+
+extern PRLock *_pr_flock_lock;
+extern PRCondVar *_pr_flock_cv;
+
+static PRInt32 PR_CALLBACK FileRead(PRFileDesc *fd, void *buf, PRInt32 amount)
+{
+ PRInt32 rv = 0;
+ PRThread *me = _PR_MD_CURRENT_THREAD();
+
+ if (_PR_PENDING_INTERRUPT(me)) {
+ me->flags &= ~_PR_INTERRUPT;
+ PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0);
+ rv = -1;
+ }
+ if (_PR_IO_PENDING(me)) {
+ PR_SetError(PR_IO_PENDING_ERROR, 0);
+ rv = -1;
+ }
+ if (rv == -1)
+ return rv;
+
+ rv = _PR_MD_READ(fd, buf, amount);
+ if (rv < 0) {
+ PR_ASSERT(rv == -1);
+ }
+ PR_LOG(_pr_io_lm, PR_LOG_MAX, ("read -> %d", rv));
+ return rv;
+}
+
+static PRInt32 PR_CALLBACK FileWrite(PRFileDesc *fd, const void *buf, PRInt32 amount)
+{
+ PRInt32 rv = 0;
+ PRInt32 temp, count;
+ PRThread *me = _PR_MD_CURRENT_THREAD();
+
+ if (_PR_PENDING_INTERRUPT(me)) {
+ me->flags &= ~_PR_INTERRUPT;
+ PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0);
+ rv = -1;
+ }
+ if (_PR_IO_PENDING(me)) {
+ PR_SetError(PR_IO_PENDING_ERROR, 0);
+ rv = -1;
+ }
+ if (rv != 0)
+ return rv;
+
+ count = 0;
+#if !defined(_PR_HAVE_O_APPEND) /* Bugzilla: 4090, 276330 */
+ if (fd->secret->appendMode) {
+ if (PR_Seek64(fd, 0, PR_SEEK_END) == -1) {
+ return -1;
+ }
+ } /* if (fd->secret->appendMode...) */
+#endif /* _PR_HAVE_O_APPEND */
+ while (amount > 0) {
+ temp = _PR_MD_WRITE(fd, buf, amount);
+ if (temp < 0) {
+ count = -1;
+ break;
+ }
+ count += temp;
+ if (fd->secret->nonblocking) {
+ break;
+ }
+ buf = (const void*) ((const char*)buf + temp);
+ amount -= temp;
+ }
+ PR_LOG(_pr_io_lm, PR_LOG_MAX, ("write -> %d", count));
+ return count;
+}
+
+static PROffset32 PR_CALLBACK FileSeek(PRFileDesc *fd, PROffset32 offset, PRSeekWhence whence)
+{
+ PROffset32 result;
+
+ result = _PR_MD_LSEEK(fd, offset, whence);
+ return result;
+}
+
+static PROffset64 PR_CALLBACK FileSeek64(PRFileDesc *fd, PROffset64 offset, PRSeekWhence whence)
+{
+ PROffset64 result;
+
+ result = _PR_MD_LSEEK64(fd, offset, whence);
+ return result;
+}
+
+static PRInt32 PR_CALLBACK FileAvailable(PRFileDesc *fd)
+{
+ PRInt32 result, cur, end;
+
+ cur = _PR_MD_LSEEK(fd, 0, PR_SEEK_CUR);
+
+ if (cur >= 0)
+ end = _PR_MD_LSEEK(fd, 0, PR_SEEK_END);
+
+ if ((cur < 0) || (end < 0)) {
+ return -1;
+ }
+
+ result = end - cur;
+ _PR_MD_LSEEK(fd, cur, PR_SEEK_SET);
+
+ return result;
+}
+
+static PRInt64 PR_CALLBACK FileAvailable64(PRFileDesc *fd)
+{
+ PRInt64 result, cur, end;
+ PRInt64 minus_one;
+
+ LL_I2L(minus_one, -1);
+ cur = _PR_MD_LSEEK64(fd, LL_ZERO, PR_SEEK_CUR);
+
+ if (LL_GE_ZERO(cur))
+ end = _PR_MD_LSEEK64(fd, LL_ZERO, PR_SEEK_END);
+
+ if (!LL_GE_ZERO(cur) || !LL_GE_ZERO(end)) return minus_one;
+
+ LL_SUB(result, end, cur);
+ (void)_PR_MD_LSEEK64(fd, cur, PR_SEEK_SET);
+
+ return result;
+}
+
+static PRInt32 PR_CALLBACK PipeAvailable(PRFileDesc *fd)
+{
+ PRInt32 rv;
+ rv = _PR_MD_PIPEAVAILABLE(fd);
+ return rv;
+}
+
+static PRInt64 PR_CALLBACK PipeAvailable64(PRFileDesc *fd)
+{
+ PRInt64 rv;
+ LL_I2L(rv, _PR_MD_PIPEAVAILABLE(fd));
+ return rv;
+}
+
+static PRStatus PR_CALLBACK PipeSync(PRFileDesc *fd)
+{
+ return PR_SUCCESS;
+}
+
+static PRStatus PR_CALLBACK FileGetInfo(PRFileDesc *fd, PRFileInfo *info)
+{
+ PRInt32 rv;
+
+ rv = _PR_MD_GETOPENFILEINFO(fd, info);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else
+ return PR_SUCCESS;
+}
+
+static PRStatus PR_CALLBACK FileGetInfo64(PRFileDesc *fd, PRFileInfo64 *info)
+{
+ /* $$$$ NOT YET IMPLEMENTED */
+ PRInt32 rv;
+
+ rv = _PR_MD_GETOPENFILEINFO64(fd, info);
+ if (rv < 0) return PR_FAILURE;
+ else return PR_SUCCESS;
+}
+
+static PRStatus PR_CALLBACK FileSync(PRFileDesc *fd)
+{
+ PRInt32 result;
+ result = _PR_MD_FSYNC(fd);
+ if (result < 0) {
+ return PR_FAILURE;
+ }
+ return PR_SUCCESS;
+}
+
+static PRStatus PR_CALLBACK FileClose(PRFileDesc *fd)
+{
+ if (!fd || !fd->secret
+ || (fd->secret->state != _PR_FILEDESC_OPEN
+ && fd->secret->state != _PR_FILEDESC_CLOSED)) {
+ PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0);
+ return PR_FAILURE;
+ }
+
+ if (fd->secret->state == _PR_FILEDESC_OPEN) {
+ if (_PR_MD_CLOSE_FILE(fd->secret->md.osfd) < 0) {
+ return PR_FAILURE;
+ }
+ fd->secret->state = _PR_FILEDESC_CLOSED;
+ }
+ PR_FreeFileDesc(fd);
+ return PR_SUCCESS;
+}
+
+static PRInt16 PR_CALLBACK FilePoll(
+ PRFileDesc *fd, PRInt16 in_flags, PRInt16 *out_flags)
+{
+ *out_flags = 0;
+ return in_flags;
+} /* FilePoll */
+
+static PRIOMethods _pr_fileMethods = {
+ PR_DESC_FILE,
+ FileClose,
+ FileRead,
+ FileWrite,
+ FileAvailable,
+ FileAvailable64,
+ FileSync,
+ FileSeek,
+ FileSeek64,
+ FileGetInfo,
+ FileGetInfo64,
+ (PRWritevFN)_PR_InvalidInt,
+ (PRConnectFN)_PR_InvalidStatus,
+ (PRAcceptFN)_PR_InvalidDesc,
+ (PRBindFN)_PR_InvalidStatus,
+ (PRListenFN)_PR_InvalidStatus,
+ (PRShutdownFN)_PR_InvalidStatus,
+ (PRRecvFN)_PR_InvalidInt,
+ (PRSendFN)_PR_InvalidInt,
+ (PRRecvfromFN)_PR_InvalidInt,
+ (PRSendtoFN)_PR_InvalidInt,
+ FilePoll,
+ (PRAcceptreadFN)_PR_InvalidInt,
+ (PRTransmitfileFN)_PR_InvalidInt,
+ (PRGetsocknameFN)_PR_InvalidStatus,
+ (PRGetpeernameFN)_PR_InvalidStatus,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRGetsocketoptionFN)_PR_InvalidStatus,
+ (PRSetsocketoptionFN)_PR_InvalidStatus,
+ (PRSendfileFN)_PR_InvalidInt,
+ (PRConnectcontinueFN)_PR_InvalidStatus,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt
+};
+
+PR_IMPLEMENT(const PRIOMethods*) PR_GetFileMethods(void)
+{
+ return &_pr_fileMethods;
+}
+
+static PRIOMethods _pr_pipeMethods = {
+ PR_DESC_PIPE,
+ FileClose,
+ FileRead,
+ FileWrite,
+ PipeAvailable,
+ PipeAvailable64,
+ PipeSync,
+ (PRSeekFN)_PR_InvalidInt,
+ (PRSeek64FN)_PR_InvalidInt64,
+ (PRFileInfoFN)_PR_InvalidStatus,
+ (PRFileInfo64FN)_PR_InvalidStatus,
+ (PRWritevFN)_PR_InvalidInt,
+ (PRConnectFN)_PR_InvalidStatus,
+ (PRAcceptFN)_PR_InvalidDesc,
+ (PRBindFN)_PR_InvalidStatus,
+ (PRListenFN)_PR_InvalidStatus,
+ (PRShutdownFN)_PR_InvalidStatus,
+ (PRRecvFN)_PR_InvalidInt,
+ (PRSendFN)_PR_InvalidInt,
+ (PRRecvfromFN)_PR_InvalidInt,
+ (PRSendtoFN)_PR_InvalidInt,
+ FilePoll,
+ (PRAcceptreadFN)_PR_InvalidInt,
+ (PRTransmitfileFN)_PR_InvalidInt,
+ (PRGetsocknameFN)_PR_InvalidStatus,
+ (PRGetpeernameFN)_PR_InvalidStatus,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRGetsocketoptionFN)_PR_InvalidStatus,
+ (PRSetsocketoptionFN)_PR_InvalidStatus,
+ (PRSendfileFN)_PR_InvalidInt,
+ (PRConnectcontinueFN)_PR_InvalidStatus,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt,
+ (PRReservedFN)_PR_InvalidInt
+};
+
+PR_IMPLEMENT(const PRIOMethods*) PR_GetPipeMethods(void)
+{
+ return &_pr_pipeMethods;
+}
+
+PR_IMPLEMENT(PRFileDesc*) PR_Open(const char *name, PRIntn flags, PRIntn mode)
+{
+ PROsfd osfd;
+ PRFileDesc *fd = 0;
+#if !defined(_PR_HAVE_O_APPEND)
+ PRBool appendMode = ( PR_APPEND & flags )? PR_TRUE : PR_FALSE;
+#endif
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ /* Map pr open flags and mode to os specific flags */
+
+ osfd = _PR_MD_OPEN(name, flags, mode);
+ if (osfd != -1) {
+ fd = PR_AllocFileDesc(osfd, &_pr_fileMethods);
+ if (!fd) {
+ (void) _PR_MD_CLOSE_FILE(osfd);
+ } else {
+#if !defined(_PR_HAVE_O_APPEND)
+ fd->secret->appendMode = appendMode;
+#endif
+ _PR_MD_INIT_FD_INHERITABLE(fd, PR_FALSE);
+ }
+ }
+ return fd;
+}
+
+PR_IMPLEMENT(PRFileDesc*) PR_OpenFile(
+ const char *name, PRIntn flags, PRIntn mode)
+{
+ PROsfd osfd;
+ PRFileDesc *fd = 0;
+#if !defined(_PR_HAVE_O_APPEND)
+ PRBool appendMode = ( PR_APPEND & flags )? PR_TRUE : PR_FALSE;
+#endif
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ /* Map pr open flags and mode to os specific flags */
+
+ osfd = _PR_MD_OPEN_FILE(name, flags, mode);
+ if (osfd != -1) {
+ fd = PR_AllocFileDesc(osfd, &_pr_fileMethods);
+ if (!fd) {
+ (void) _PR_MD_CLOSE_FILE(osfd);
+ } else {
+#if !defined(_PR_HAVE_O_APPEND)
+ fd->secret->appendMode = appendMode;
+#endif
+ _PR_MD_INIT_FD_INHERITABLE(fd, PR_FALSE);
+ }
+ }
+ return fd;
+}
+
+PR_IMPLEMENT(PRInt32) PR_GetSysfdTableMax(void)
+{
+#if defined(XP_UNIX) && !defined(AIX) && !defined(QNX)
+ struct rlimit rlim;
+
+ if ( getrlimit(RLIMIT_NOFILE, &rlim) < 0) {
+ /* XXX need to call PR_SetError() */
+ return -1;
+ }
+
+ return rlim.rlim_max;
+#elif defined(AIX) || defined(QNX)
+ return sysconf(_SC_OPEN_MAX);
+#elif defined(WIN32)
+ /*
+ * There is a systemwide limit of 65536 user handles.
+ */
+ return 16384;
+#elif defined (WIN16)
+ return FOPEN_MAX;
+#elif defined(XP_OS2)
+ ULONG ulReqCount = 0;
+ ULONG ulCurMaxFH = 0;
+ DosSetRelMaxFH(&ulReqCount, &ulCurMaxFH);
+ return ulCurMaxFH;
+#elif defined(XP_BEOS)
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return -1;
+#else
+ write me;
+#endif
+}
+
+PR_IMPLEMENT(PRInt32) PR_SetSysfdTableSize(int table_size)
+{
+#if defined(XP_UNIX) && !defined(AIX) && !defined(QNX)
+ struct rlimit rlim;
+ PRInt32 tableMax = PR_GetSysfdTableMax();
+
+ if (tableMax < 0)
+ return -1;
+
+ if (tableMax > FD_SETSIZE)
+ tableMax = FD_SETSIZE;
+
+ rlim.rlim_max = tableMax;
+
+ /* Grow as much as we can; even if too big */
+ if ( rlim.rlim_max < table_size )
+ rlim.rlim_cur = rlim.rlim_max;
+ else
+ rlim.rlim_cur = table_size;
+
+ if ( setrlimit(RLIMIT_NOFILE, &rlim) < 0) {
+ /* XXX need to call PR_SetError() */
+ return -1;
+ }
+
+ return rlim.rlim_cur;
+#elif defined(XP_OS2)
+ PRInt32 tableMax = PR_GetSysfdTableMax();
+ if (table_size > tableMax) {
+ APIRET rc = NO_ERROR;
+ rc = DosSetMaxFH(table_size);
+ if (rc == NO_ERROR)
+ return table_size;
+ else
+ return -1;
+ }
+ return tableMax;
+#elif defined(AIX) || defined(QNX) \
+ || defined(WIN32) || defined(WIN16) || defined(XP_BEOS)
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return -1;
+#else
+ write me;
+#endif
+}
+
+PR_IMPLEMENT(PRStatus) PR_Delete(const char *name)
+{
+ PRInt32 rv;
+
+ rv = _PR_MD_DELETE(name);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRStatus) PR_GetFileInfo(const char *fn, PRFileInfo *info)
+{
+ PRInt32 rv;
+
+ rv = _PR_MD_GETFILEINFO(fn, info);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRStatus) PR_GetFileInfo64(const char *fn, PRFileInfo64 *info)
+{
+ PRInt32 rv;
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+ rv = _PR_MD_GETFILEINFO64(fn, info);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else {
+ return PR_SUCCESS;
+ }
+}
+
+PR_IMPLEMENT(PRStatus) PR_Rename(const char *from, const char *to)
+{
+ PRInt32 rv;
+
+ rv = _PR_MD_RENAME(from, to);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRStatus) PR_Access(const char *name, PRAccessHow how)
+{
+PRInt32 rv;
+
+ rv = _PR_MD_ACCESS(name, how);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else
+ return PR_SUCCESS;
+}
+
+/*
+** Import an existing OS file to NSPR
+*/
+PR_IMPLEMENT(PRFileDesc*) PR_ImportFile(PROsfd osfd)
+{
+ PRFileDesc *fd = NULL;
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ fd = PR_AllocFileDesc(osfd, &_pr_fileMethods);
+ if( !fd ) {
+ (void) _PR_MD_CLOSE_FILE(osfd);
+ } else {
+ _PR_MD_INIT_FD_INHERITABLE(fd, PR_TRUE);
+ }
+
+ return fd;
+}
+
+/*
+** Import an existing OS pipe to NSPR
+*/
+PR_IMPLEMENT(PRFileDesc*) PR_ImportPipe(PROsfd osfd)
+{
+ PRFileDesc *fd = NULL;
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ fd = PR_AllocFileDesc(osfd, &_pr_pipeMethods);
+ if( !fd ) {
+ (void) _PR_MD_CLOSE_FILE(osfd);
+ } else {
+ _PR_MD_INIT_FD_INHERITABLE(fd, PR_TRUE);
+#ifdef WINNT
+ fd->secret->md.sync_file_io = PR_TRUE;
+#endif
+ }
+
+ return fd;
+}
+
+#ifndef NO_NSPR_10_SUPPORT
+/*
+** PR_Stat() for Win16 is defined in w16io.c
+** it is a hack to circumvent problems in Gromit and Java
+** See also: BugSplat: 98516.
+*/
+#if !defined(WIN16)
+/*
+ * This function is supposed to be for backward compatibility with
+ * nspr 1.0. Therefore, it still uses the nspr 1.0 error-reporting
+ * mechanism -- returns a PRInt32, which is the error code when the call
+ * fails.
+ *
+ * If we need this function in nspr 2.0, it should be changed to
+ * return PRStatus, as follows:
+ *
+ * PR_IMPLEMENT(PRStatus) PR_Stat(const char *name, struct stat *buf)
+ * {
+ * PRInt32 rv;
+ *
+ * rv = _PR_MD_STAT(name, buf);
+ * if (rv < 0)
+ * return PR_FAILURE;
+ * else
+ * return PR_SUCCESS;
+ * }
+ *
+ * -- wtc, 2/14/97.
+ */
+PR_IMPLEMENT(PRInt32) PR_Stat(const char *name, struct stat *buf)
+{
+ PRInt32 rv;
+
+ rv = _PR_MD_STAT(name, buf);
+ return rv;
+}
+
+#endif /* !defined(WIN16) */
+#endif /* ! NO_NSPR_10_SUPPORT */
+
+PR_IMPLEMENT(PRStatus) PR_LockFile(PRFileDesc *fd)
+{
+ PRStatus status = PR_SUCCESS;
+
+#ifdef WINNT
+ if (!fd->secret->md.io_model_committed) {
+ PRInt32 rv;
+ rv = _md_Associate((HANDLE)fd->secret->md.osfd);
+ PR_ASSERT(0 != rv);
+ fd->secret->md.io_model_committed = PR_TRUE;
+ }
+#endif
+
+ PR_Lock(_pr_flock_lock);
+ while (fd->secret->lockCount == -1)
+ PR_WaitCondVar(_pr_flock_cv, PR_INTERVAL_NO_TIMEOUT);
+ if (fd->secret->lockCount == 0) {
+ fd->secret->lockCount = -1;
+ PR_Unlock(_pr_flock_lock);
+ status = _PR_MD_LOCKFILE(fd->secret->md.osfd);
+ PR_Lock(_pr_flock_lock);
+ fd->secret->lockCount = (status == PR_SUCCESS) ? 1 : 0;
+ PR_NotifyAllCondVar(_pr_flock_cv);
+ } else {
+ fd->secret->lockCount++;
+ }
+ PR_Unlock(_pr_flock_lock);
+
+ return status;
+}
+
+PR_IMPLEMENT(PRStatus) PR_TLockFile(PRFileDesc *fd)
+{
+ PRStatus status = PR_SUCCESS;
+
+#ifdef WINNT
+ if (!fd->secret->md.io_model_committed) {
+ PRInt32 rv;
+ rv = _md_Associate((HANDLE)fd->secret->md.osfd);
+ PR_ASSERT(0 != rv);
+ fd->secret->md.io_model_committed = PR_TRUE;
+ }
+#endif
+
+ PR_Lock(_pr_flock_lock);
+ if (fd->secret->lockCount == 0) {
+ status = _PR_MD_TLOCKFILE(fd->secret->md.osfd);
+ PR_ASSERT(status == PR_SUCCESS || fd->secret->lockCount == 0);
+ if (status == PR_SUCCESS)
+ fd->secret->lockCount = 1;
+ } else {
+ fd->secret->lockCount++;
+ }
+ PR_Unlock(_pr_flock_lock);
+
+ return status;
+}
+
+PR_IMPLEMENT(PRStatus) PR_UnlockFile(PRFileDesc *fd)
+{
+ PRStatus rv = PR_SUCCESS;
+
+ PR_Lock(_pr_flock_lock);
+ if (fd->secret->lockCount == 1) {
+ rv = _PR_MD_UNLOCKFILE(fd->secret->md.osfd);
+ if (rv == PR_SUCCESS)
+ fd->secret->lockCount = 0;
+ } else {
+ fd->secret->lockCount--;
+ }
+ PR_Unlock(_pr_flock_lock);
+
+ return rv;
+}
+
+PR_IMPLEMENT(PRStatus) PR_CreatePipe(
+ PRFileDesc **readPipe,
+ PRFileDesc **writePipe
+)
+{
+#if defined(WIN32) && !defined(WINCE)
+ HANDLE readEnd, writeEnd;
+ SECURITY_ATTRIBUTES pipeAttributes;
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ ZeroMemory(&pipeAttributes, sizeof(pipeAttributes));
+ pipeAttributes.nLength = sizeof(pipeAttributes);
+ pipeAttributes.bInheritHandle = TRUE;
+ if (CreatePipe(&readEnd, &writeEnd, &pipeAttributes, 0) == 0) {
+ PR_SetError(PR_UNKNOWN_ERROR, GetLastError());
+ return PR_FAILURE;
+ }
+ *readPipe = PR_AllocFileDesc((PROsfd)readEnd, &_pr_pipeMethods);
+ if (NULL == *readPipe) {
+ CloseHandle(readEnd);
+ CloseHandle(writeEnd);
+ return PR_FAILURE;
+ }
+ *writePipe = PR_AllocFileDesc((PROsfd)writeEnd, &_pr_pipeMethods);
+ if (NULL == *writePipe) {
+ PR_Close(*readPipe);
+ CloseHandle(writeEnd);
+ return PR_FAILURE;
+ }
+#ifdef WINNT
+ (*readPipe)->secret->md.sync_file_io = PR_TRUE;
+ (*writePipe)->secret->md.sync_file_io = PR_TRUE;
+#endif
+ (*readPipe)->secret->inheritable = _PR_TRI_TRUE;
+ (*writePipe)->secret->inheritable = _PR_TRI_TRUE;
+ return PR_SUCCESS;
+#elif defined(XP_UNIX) || defined(XP_OS2) || defined(XP_BEOS)
+#ifdef XP_OS2
+ HFILE pipefd[2];
+#else
+ int pipefd[2];
+#endif
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+#ifdef XP_OS2
+ if (DosCreatePipe(&pipefd[0], &pipefd[1], 4096) != 0) {
+#else
+ if (pipe(pipefd) == -1) {
+#endif
+ /* XXX map pipe error */
+ PR_SetError(PR_UNKNOWN_ERROR, errno);
+ return PR_FAILURE;
+ }
+ *readPipe = PR_AllocFileDesc(pipefd[0], &_pr_pipeMethods);
+ if (NULL == *readPipe) {
+ close(pipefd[0]);
+ close(pipefd[1]);
+ return PR_FAILURE;
+ }
+ *writePipe = PR_AllocFileDesc(pipefd[1], &_pr_pipeMethods);
+ if (NULL == *writePipe) {
+ PR_Close(*readPipe);
+ close(pipefd[1]);
+ return PR_FAILURE;
+ }
+#ifndef XP_BEOS /* Pipes are nonblocking on BeOS */
+ _PR_MD_MAKE_NONBLOCK(*readPipe);
+#endif
+ _PR_MD_INIT_FD_INHERITABLE(*readPipe, PR_FALSE);
+#ifndef XP_BEOS /* Pipes are nonblocking on BeOS */
+ _PR_MD_MAKE_NONBLOCK(*writePipe);
+#endif
+ _PR_MD_INIT_FD_INHERITABLE(*writePipe, PR_FALSE);
+ return PR_SUCCESS;
+#else
+ PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+ return PR_FAILURE;
+#endif
+}
+
+#ifdef MOZ_UNICODE
+/* ================ UTF16 Interfaces ================================ */
+PR_IMPLEMENT(PRFileDesc*) PR_OpenFileUTF16(
+ const PRUnichar *name, PRIntn flags, PRIntn mode)
+{
+ PROsfd osfd;
+ PRFileDesc *fd = 0;
+#if !defined(_PR_HAVE_O_APPEND)
+ PRBool appendMode = ( PR_APPEND & flags )? PR_TRUE : PR_FALSE;
+#endif
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ /* Map pr open flags and mode to os specific flags */
+ osfd = _PR_MD_OPEN_FILE_UTF16(name, flags, mode);
+ if (osfd != -1) {
+ fd = PR_AllocFileDesc(osfd, &_pr_fileMethods);
+ if (!fd) {
+ (void) _PR_MD_CLOSE_FILE(osfd);
+ } else {
+#if !defined(_PR_HAVE_O_APPEND)
+ fd->secret->appendMode = appendMode;
+#endif
+ _PR_MD_INIT_FD_INHERITABLE(fd, PR_FALSE);
+ }
+ }
+ return fd;
+}
+
+PR_IMPLEMENT(PRStatus) PR_GetFileInfo64UTF16(const PRUnichar *fn, PRFileInfo64 *info)
+{
+ PRInt32 rv;
+
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+ rv = _PR_MD_GETFILEINFO64_UTF16(fn, info);
+ if (rv < 0) {
+ return PR_FAILURE;
+ } else {
+ return PR_SUCCESS;
+ }
+}
+
+/* ================ UTF16 Interfaces ================================ */
+#endif /* MOZ_UNICODE */