Removing NSS files and USE_OPENSSL flag

net/third_party/nss/ssl/sslmutex.c

Index: net/third_party/nss/ssl/sslmutex.c
diff --git a/net/third_party/nss/ssl/sslmutex.c b/net/third_party/nss/ssl/sslmutex.c
deleted file mode 100644
index 0e2edc9f0e577271f3686d8b416ff610015def6d..0000000000000000000000000000000000000000
--- a/net/third_party/nss/ssl/sslmutex.c
+++ /dev/null
@@ -1,647 +0,0 @@
-/* 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 "seccomon.h"
-/* This ifdef should match the one in sslsnce.c */
-#if defined(XP_UNIX) || defined(XP_WIN32) || defined(XP_OS2) || defined(XP_BEOS)
-
-#include "sslmutex.h"
-#include "prerr.h"
-
-static SECStatus
-single_process_sslMutex_Init(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex != 0 && pMutex->u.sslLock == 0);
-
-    pMutex->u.sslLock = PR_NewLock();
-    if (!pMutex->u.sslLock) {
-        return SECFailure;
-    }
-    return SECSuccess;
-}
-
-static SECStatus
-single_process_sslMutex_Destroy(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex != 0);
-    PR_ASSERT(pMutex->u.sslLock != 0);
-    if (!pMutex->u.sslLock) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    PR_DestroyLock(pMutex->u.sslLock);
-    return SECSuccess;
-}
-
-static SECStatus
-single_process_sslMutex_Unlock(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex != 0);
-    PR_ASSERT(pMutex->u.sslLock != 0);
-    if (!pMutex->u.sslLock) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    PR_Unlock(pMutex->u.sslLock);
-    return SECSuccess;
-}
-
-static SECStatus
-single_process_sslMutex_Lock(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex != 0);
-    PR_ASSERT(pMutex->u.sslLock != 0);
-    if (!pMutex->u.sslLock) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    PR_Lock(pMutex->u.sslLock);
-    return SECSuccess;
-}
-
-#if defined(LINUX) || defined(AIX) || defined(BEOS) || defined(BSDI) || (defined(NETBSD) && __NetBSD_Version__ < 500000000) || defined(OPENBSD)
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include "unix_err.h"
-#include "pratom.h"
-
-#define SSL_MUTEX_MAGIC 0xfeedfd
-#define NONBLOCKING_POSTS 1 /* maybe this is faster */
-
-#if NONBLOCKING_POSTS
-
-#ifndef FNONBLOCK
-#define FNONBLOCK O_NONBLOCK
-#endif
-
-static int
-setNonBlocking(int fd, int nonBlocking)
-{
-    int flags;
-    int err;
-
-    flags = fcntl(fd, F_GETFL, 0);
-    if (0 > flags)
-        return flags;
-    if (nonBlocking)
-        flags |= FNONBLOCK;
-    else
-        flags &= ~FNONBLOCK;
-    err = fcntl(fd, F_SETFL, flags);
-    return err;
-}
-#endif
-
-SECStatus
-sslMutex_Init(sslMutex* pMutex, int shared)
-{
-    int err;
-    PR_ASSERT(pMutex);
-    pMutex->isMultiProcess = (PRBool)(shared != 0);
-    if (!shared) {
-        return single_process_sslMutex_Init(pMutex);
-    }
-    pMutex->u.pipeStr.mPipes[0] = -1;
-    pMutex->u.pipeStr.mPipes[1] = -1;
-    pMutex->u.pipeStr.mPipes[2] = -1;
-    pMutex->u.pipeStr.nWaiters = 0;
-
-    err = pipe(pMutex->u.pipeStr.mPipes);
-    if (err) {
-        nss_MD_unix_map_default_error(errno);
-        return err;
-    }
-#if NONBLOCKING_POSTS
-    err = setNonBlocking(pMutex->u.pipeStr.mPipes[1], 1);
-    if (err)
-        goto loser;
-#endif
-
-    pMutex->u.pipeStr.mPipes[2] = SSL_MUTEX_MAGIC;
-
-#if defined(LINUX) && defined(i386)
-    /* Pipe starts out empty */
-    return SECSuccess;
-#else
-    /* Pipe starts with one byte. */
-    return sslMutex_Unlock(pMutex);
-#endif
-
-loser:
-    nss_MD_unix_map_default_error(errno);
-    close(pMutex->u.pipeStr.mPipes[0]);
-    close(pMutex->u.pipeStr.mPipes[1]);
-    return SECFailure;
-}
-
-SECStatus
-sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal)
-{
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Destroy(pMutex);
-    }
-    if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    close(pMutex->u.pipeStr.mPipes[0]);
-    close(pMutex->u.pipeStr.mPipes[1]);
-
-    if (processLocal) {
-        return SECSuccess;
-    }
-
-    pMutex->u.pipeStr.mPipes[0] = -1;
-    pMutex->u.pipeStr.mPipes[1] = -1;
-    pMutex->u.pipeStr.mPipes[2] = -1;
-    pMutex->u.pipeStr.nWaiters = 0;
-
-    return SECSuccess;
-}
-
-#if defined(LINUX) && defined(i386)
-/* No memory barrier needed for this platform */
-
-/* nWaiters includes the holder of the lock (if any) and the number
-** threads waiting for it.  After incrementing nWaiters, if the count
-** is exactly 1, then you have the lock and may proceed.  If the
-** count is greater than 1, then you must wait on the pipe.
-*/
-
-SECStatus
-sslMutex_Unlock(sslMutex* pMutex)
-{
-    PRInt32 newValue;
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Unlock(pMutex);
-    }
-
-    if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    /* Do Memory Barrier here. */
-    newValue = PR_ATOMIC_DECREMENT(&pMutex->u.pipeStr.nWaiters);
-    if (newValue > 0) {
-        int cc;
-        char c = 1;
-        do {
-            cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1);
-        } while (cc < 0 && (errno == EINTR || errno == EAGAIN));
-        if (cc != 1) {
-            if (cc < 0)
-                nss_MD_unix_map_default_error(errno);
-            else
-                PORT_SetError(PR_UNKNOWN_ERROR);
-            return SECFailure;
-        }
-    }
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Lock(sslMutex* pMutex)
-{
-    PRInt32 newValue;
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Lock(pMutex);
-    }
-
-    if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    newValue = PR_ATOMIC_INCREMENT(&pMutex->u.pipeStr.nWaiters);
-    /* Do Memory Barrier here. */
-    if (newValue > 1) {
-        int cc;
-        char c;
-        do {
-            cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1);
-        } while (cc < 0 && errno == EINTR);
-        if (cc != 1) {
-            if (cc < 0)
-                nss_MD_unix_map_default_error(errno);
-            else
-                PORT_SetError(PR_UNKNOWN_ERROR);
-            return SECFailure;
-        }
-    }
-    return SECSuccess;
-}
-
-#else
-
-/* Using Atomic operations requires the use of a memory barrier instruction
-** on PowerPC, Sparc, and Alpha.  NSPR's PR_Atomic functions do not perform
-** them, and NSPR does not provide a function that does them (e.g. PR_Barrier).
-** So, we don't use them on those platforms.
-*/
-
-SECStatus
-sslMutex_Unlock(sslMutex* pMutex)
-{
-    int cc;
-    char c = 1;
-
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Unlock(pMutex);
-    }
-
-    if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    do {
-        cc = write(pMutex->u.pipeStr.mPipes[1], &c, 1);
-    } while (cc < 0 && (errno == EINTR || errno == EAGAIN));
-    if (cc != 1) {
-        if (cc < 0)
-            nss_MD_unix_map_default_error(errno);
-        else
-            PORT_SetError(PR_UNKNOWN_ERROR);
-        return SECFailure;
-    }
-
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Lock(sslMutex* pMutex)
-{
-    int cc;
-    char c;
-
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Lock(pMutex);
-    }
-
-    if (pMutex->u.pipeStr.mPipes[2] != SSL_MUTEX_MAGIC) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-
-    do {
-        cc = read(pMutex->u.pipeStr.mPipes[0], &c, 1);
-    } while (cc < 0 && errno == EINTR);
-    if (cc != 1) {
-        if (cc < 0)
-            nss_MD_unix_map_default_error(errno);
-        else
-            PORT_SetError(PR_UNKNOWN_ERROR);
-        return SECFailure;
-    }
-
-    return SECSuccess;
-}
-
-#endif
-
-#elif defined(WIN32)
-
-#include "win32err.h"
-
-/* on Windows, we need to find the optimal type of locking mechanism to use
- for the sslMutex.
-
- There are 3 cases :
- 1) single-process, use a PRLock, as for all other platforms
- 2) Win95 multi-process, use a Win32 mutex
- 3) on WINNT multi-process, use a PRLock + a Win32 mutex
-
-*/
-
-#ifdef WINNT
-
-SECStatus
-sslMutex_2LevelInit(sslMutex *sem)
-{
-    /*  the following adds a PRLock to sslMutex . This is done in each
-        process of a multi-process server and is only needed on WINNT, if
-        using fibers. We can't tell if native threads or fibers are used, so
-        we always do it on WINNT
-    */
-    PR_ASSERT(sem);
-    if (sem) {
-        /* we need to reset the sslLock in the children or the single_process init
-           function below will assert */
-        sem->u.sslLock = NULL;
-    }
-    return single_process_sslMutex_Init(sem);
-}
-
-static SECStatus
-sslMutex_2LevelDestroy(sslMutex *sem)
-{
-    return single_process_sslMutex_Destroy(sem);
-}
-
-#endif
-
-SECStatus
-sslMutex_Init(sslMutex *pMutex, int shared)
-{
-#ifdef WINNT
-    SECStatus retvalue;
-#endif
-    HANDLE hMutex;
-    SECURITY_ATTRIBUTES attributes =
-        { sizeof(SECURITY_ATTRIBUTES), NULL, TRUE };
-
-    PR_ASSERT(pMutex != 0 && (pMutex->u.sslMutx == 0 ||
-                              pMutex->u.sslMutx ==
-                                  INVALID_HANDLE_VALUE));
-
-    pMutex->isMultiProcess = (PRBool)(shared != 0);
-
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Init(pMutex);
-    }
-
-#ifdef WINNT
-    /*  we need a lock on WINNT for fibers in the parent process */
-    retvalue = sslMutex_2LevelInit(pMutex);
-    if (SECSuccess != retvalue)
-        return SECFailure;
-#endif
-
-    if (!pMutex || ((hMutex = pMutex->u.sslMutx) != 0 &&
-                    hMutex !=
-                        INVALID_HANDLE_VALUE)) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    attributes.bInheritHandle = (shared ? TRUE : FALSE);
-    hMutex = CreateMutex(&attributes, FALSE, NULL);
-    if (hMutex == NULL) {
-        hMutex = INVALID_HANDLE_VALUE;
-        nss_MD_win32_map_default_error(GetLastError());
-        return SECFailure;
-    }
-    pMutex->u.sslMutx = hMutex;
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Destroy(sslMutex *pMutex, PRBool processLocal)
-{
-    HANDLE hMutex;
-    int rv;
-    int retvalue = SECSuccess;
-
-    PR_ASSERT(pMutex != 0);
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Destroy(pMutex);
-    }
-
-/*  multi-process mode */
-#ifdef WINNT
-    /* on NT, get rid of the PRLock used for fibers within a process */
-    retvalue = sslMutex_2LevelDestroy(pMutex);
-#endif
-
-    PR_ASSERT(pMutex->u.sslMutx != 0 &&
-              pMutex->u.sslMutx != INVALID_HANDLE_VALUE);
-    if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 ||
-        hMutex == INVALID_HANDLE_VALUE) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-
-    rv = CloseHandle(hMutex); /* ignore error */
-    if (!processLocal && rv) {
-        pMutex->u.sslMutx = hMutex = INVALID_HANDLE_VALUE;
-    }
-    if (!rv) {
-        nss_MD_win32_map_default_error(GetLastError());
-        retvalue = SECFailure;
-    }
-    return retvalue;
-}
-
-int
-sslMutex_Unlock(sslMutex *pMutex)
-{
-    BOOL success = FALSE;
-    HANDLE hMutex;
-
-    PR_ASSERT(pMutex != 0);
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Unlock(pMutex);
-    }
-
-    PR_ASSERT(pMutex->u.sslMutx != 0 &&
-              pMutex->u.sslMutx != INVALID_HANDLE_VALUE);
-    if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 ||
-        hMutex == INVALID_HANDLE_VALUE) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure;
-    }
-    success = ReleaseMutex(hMutex);
-    if (!success) {
-        nss_MD_win32_map_default_error(GetLastError());
-        return SECFailure;
-    }
-#ifdef WINNT
-    return single_process_sslMutex_Unlock(pMutex);
-    /* release PRLock for other fibers in the process */
-#else
-    return SECSuccess;
-#endif
-}
-
-int
-sslMutex_Lock(sslMutex *pMutex)
-{
-    HANDLE hMutex;
-    DWORD event;
-    DWORD lastError;
-    SECStatus rv;
-    SECStatus retvalue = SECSuccess;
-    PR_ASSERT(pMutex != 0);
-
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Lock(pMutex);
-    }
-#ifdef WINNT
-    /* lock first to preserve from other threads/fibers
-       in the same process */
-    retvalue = single_process_sslMutex_Lock(pMutex);
-#endif
-    PR_ASSERT(pMutex->u.sslMutx != 0 &&
-              pMutex->u.sslMutx != INVALID_HANDLE_VALUE);
-    if (!pMutex || (hMutex = pMutex->u.sslMutx) == 0 ||
-        hMutex == INVALID_HANDLE_VALUE) {
-        PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
-        return SECFailure; /* what else ? */
-    }
-    /* acquire the mutex to be the only owner accross all other processes */
-    event = WaitForSingleObject(hMutex, INFINITE);
-    switch (event) {
-        case WAIT_OBJECT_0:
-        case WAIT_ABANDONED:
-            rv = SECSuccess;
-            break;
-
-        case WAIT_TIMEOUT:
-#if defined(WAIT_IO_COMPLETION)
-        case WAIT_IO_COMPLETION:
-#endif
-        default: /* should never happen. nothing we can do. */
-            PR_ASSERT(!("WaitForSingleObject returned invalid value."));
-            PORT_SetError(PR_UNKNOWN_ERROR);
-            rv = SECFailure;
-            break;
-
-        case WAIT_FAILED: /* failure returns this */
-            rv = SECFailure;
-            lastError = GetLastError(); /* for debugging */
-            nss_MD_win32_map_default_error(lastError);
-            break;
-    }
-
-    if (!(SECSuccess == retvalue && SECSuccess == rv)) {
-        return SECFailure;
-    }
-
-    return SECSuccess;
-}
-
-#elif defined(XP_UNIX) && !defined(DARWIN)
-
-#include <errno.h>
-#include "unix_err.h"
-
-SECStatus
-sslMutex_Init(sslMutex* pMutex, int shared)
-{
-    int rv;
-    PR_ASSERT(pMutex);
-    pMutex->isMultiProcess = (PRBool)(shared != 0);
-    if (!shared) {
-        return single_process_sslMutex_Init(pMutex);
-    }
-    do {
-        rv = sem_init(&pMutex->u.sem, shared, 1);
-    } while (rv < 0 && errno == EINTR);
-    if (rv < 0) {
-        nss_MD_unix_map_default_error(errno);
-        return SECFailure;
-    }
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal)
-{
-    int rv;
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Destroy(pMutex);
-    }
-
-    /* semaphores are global resources. See SEM_DESTROY(3) man page */
-    if (processLocal) {
-        return SECSuccess;
-    }
-    do {
-        rv = sem_destroy(&pMutex->u.sem);
-    } while (rv < 0 && errno == EINTR);
-    if (rv < 0) {
-        nss_MD_unix_map_default_error(errno);
-        return SECFailure;
-    }
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Unlock(sslMutex* pMutex)
-{
-    int rv;
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Unlock(pMutex);
-    }
-    do {
-        rv = sem_post(&pMutex->u.sem);
-    } while (rv < 0 && errno == EINTR);
-    if (rv < 0) {
-        nss_MD_unix_map_default_error(errno);
-        return SECFailure;
-    }
-    return SECSuccess;
-}
-
-SECStatus
-sslMutex_Lock(sslMutex* pMutex)
-{
-    int rv;
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Lock(pMutex);
-    }
-    do {
-        rv = sem_wait(&pMutex->u.sem);
-    } while (rv < 0 && errno == EINTR);
-    if (rv < 0) {
-        nss_MD_unix_map_default_error(errno);
-        return SECFailure;
-    }
-    return SECSuccess;
-}
-
-#else
-
-SECStatus
-sslMutex_Init(sslMutex* pMutex, int shared)
-{
-    PR_ASSERT(pMutex);
-    pMutex->isMultiProcess = (PRBool)(shared != 0);
-    if (!shared) {
-        return single_process_sslMutex_Init(pMutex);
-    }
-    PORT_Assert(!("sslMutex_Init not implemented for multi-process applications !"));
-    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
-    return SECFailure;
-}
-
-SECStatus
-sslMutex_Destroy(sslMutex* pMutex, PRBool processLocal)
-{
-    PR_ASSERT(pMutex);
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Destroy(pMutex);
-    }
-    PORT_Assert(!("sslMutex_Destroy not implemented for multi-process applications !"));
-    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
-    return SECFailure;
-}
-
-SECStatus
-sslMutex_Unlock(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex);
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Unlock(pMutex);
-    }
-    PORT_Assert(!("sslMutex_Unlock not implemented for multi-process applications !"));
-    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
-    return SECFailure;
-}
-
-SECStatus
-sslMutex_Lock(sslMutex* pMutex)
-{
-    PR_ASSERT(pMutex);
-    if (PR_FALSE == pMutex->isMultiProcess) {
-        return single_process_sslMutex_Lock(pMutex);
-    }
-    PORT_Assert(!("sslMutex_Lock not implemented for multi-process applications !"));
-    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
-    return SECFailure;
-}
-
-#endif
-
-#endif