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-rw-r--r--nsprpub/pr/src/misc/prinit.c839
1 files changed, 839 insertions, 0 deletions
diff --git a/nsprpub/pr/src/misc/prinit.c b/nsprpub/pr/src/misc/prinit.c
new file mode 100644
index 000000000..43048a0d2
--- /dev/null
+++ b/nsprpub/pr/src/misc/prinit.c
@@ -0,0 +1,839 @@
+/* -*- 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 <ctype.h>
+#include <string.h>
+
+PRLogModuleInfo *_pr_clock_lm;
+PRLogModuleInfo *_pr_cmon_lm;
+PRLogModuleInfo *_pr_io_lm;
+PRLogModuleInfo *_pr_cvar_lm;
+PRLogModuleInfo *_pr_mon_lm;
+PRLogModuleInfo *_pr_linker_lm;
+PRLogModuleInfo *_pr_sched_lm;
+PRLogModuleInfo *_pr_thread_lm;
+PRLogModuleInfo *_pr_gc_lm;
+PRLogModuleInfo *_pr_shm_lm;
+PRLogModuleInfo *_pr_shma_lm;
+
+PRFileDesc *_pr_stdin;
+PRFileDesc *_pr_stdout;
+PRFileDesc *_pr_stderr;
+
+#if !defined(_PR_PTHREADS) && !defined(_PR_BTHREADS)
+
+PRCList _pr_active_local_threadQ =
+ PR_INIT_STATIC_CLIST(&_pr_active_local_threadQ);
+PRCList _pr_active_global_threadQ =
+ PR_INIT_STATIC_CLIST(&_pr_active_global_threadQ);
+
+_MDLock _pr_cpuLock; /* lock for the CPU Q */
+PRCList _pr_cpuQ = PR_INIT_STATIC_CLIST(&_pr_cpuQ);
+
+PRUint32 _pr_utid;
+
+PRInt32 _pr_userActive;
+PRInt32 _pr_systemActive;
+PRUintn _pr_maxPTDs;
+
+#ifdef _PR_LOCAL_THREADS_ONLY
+
+struct _PRCPU *_pr_currentCPU;
+PRThread *_pr_currentThread;
+PRThread *_pr_lastThread;
+PRInt32 _pr_intsOff;
+
+#endif /* _PR_LOCAL_THREADS_ONLY */
+
+/* Lock protecting all "termination" condition variables of all threads */
+PRLock *_pr_terminationCVLock;
+
+#endif /* !defined(_PR_PTHREADS) */
+
+PRLock *_pr_sleeplock; /* used in PR_Sleep(), classic and pthreads */
+
+static void _PR_InitCallOnce(void);
+
+PRBool _pr_initialized = PR_FALSE;
+
+
+PR_IMPLEMENT(PRBool) PR_VersionCheck(const char *importedVersion)
+{
+ /*
+ ** This is the secret handshake algorithm.
+ **
+ ** This release has a simple version compatibility
+ ** check algorithm. This release is not backward
+ ** compatible with previous major releases. It is
+ ** not compatible with future major, minor, or
+ ** patch releases.
+ */
+ int vmajor = 0, vminor = 0, vpatch = 0;
+ const char *ptr = importedVersion;
+
+ while (isdigit(*ptr)) {
+ vmajor = 10 * vmajor + *ptr - '0';
+ ptr++;
+ }
+ if (*ptr == '.') {
+ ptr++;
+ while (isdigit(*ptr)) {
+ vminor = 10 * vminor + *ptr - '0';
+ ptr++;
+ }
+ if (*ptr == '.') {
+ ptr++;
+ while (isdigit(*ptr)) {
+ vpatch = 10 * vpatch + *ptr - '0';
+ ptr++;
+ }
+ }
+ }
+
+ if (vmajor != PR_VMAJOR) {
+ return PR_FALSE;
+ }
+ if (vmajor == PR_VMAJOR && vminor > PR_VMINOR) {
+ return PR_FALSE;
+ }
+ if (vmajor == PR_VMAJOR && vminor == PR_VMINOR && vpatch > PR_VPATCH) {
+ return PR_FALSE;
+ }
+ return PR_TRUE;
+} /* PR_VersionCheck */
+
+PR_IMPLEMENT(const char*) PR_GetVersion(void)
+{
+ return PR_VERSION;
+}
+
+PR_IMPLEMENT(PRBool) PR_Initialized(void)
+{
+ return _pr_initialized;
+}
+
+PRInt32 _native_threads_only = 0;
+
+#ifdef WINNT
+static void _pr_SetNativeThreadsOnlyMode(void)
+{
+ HMODULE mainExe;
+ PRBool *globalp;
+ char *envp;
+
+ mainExe = GetModuleHandle(NULL);
+ PR_ASSERT(NULL != mainExe);
+ globalp = (PRBool *) GetProcAddress(mainExe, "nspr_native_threads_only");
+ if (globalp) {
+ _native_threads_only = (*globalp != PR_FALSE);
+ } else if (envp = getenv("NSPR_NATIVE_THREADS_ONLY")) {
+ _native_threads_only = (atoi(envp) == 1);
+ }
+}
+#endif
+
+static void _PR_InitStuff(void)
+{
+
+ if (_pr_initialized) return;
+ _pr_initialized = PR_TRUE;
+#ifdef _PR_ZONE_ALLOCATOR
+ _PR_InitZones();
+#endif
+#ifdef WINNT
+ _pr_SetNativeThreadsOnlyMode();
+#endif
+
+
+ (void) PR_GetPageSize();
+
+ _pr_clock_lm = PR_NewLogModule("clock");
+ _pr_cmon_lm = PR_NewLogModule("cmon");
+ _pr_io_lm = PR_NewLogModule("io");
+ _pr_mon_lm = PR_NewLogModule("mon");
+ _pr_linker_lm = PR_NewLogModule("linker");
+ _pr_cvar_lm = PR_NewLogModule("cvar");
+ _pr_sched_lm = PR_NewLogModule("sched");
+ _pr_thread_lm = PR_NewLogModule("thread");
+ _pr_gc_lm = PR_NewLogModule("gc");
+ _pr_shm_lm = PR_NewLogModule("shm");
+ _pr_shma_lm = PR_NewLogModule("shma");
+
+ /* NOTE: These init's cannot depend on _PR_MD_CURRENT_THREAD() */
+ _PR_MD_EARLY_INIT();
+
+ _PR_InitLocks();
+ _PR_InitAtomic();
+ _PR_InitSegs();
+ _PR_InitStacks();
+ _PR_InitTPD();
+ _PR_InitEnv();
+ _PR_InitLayerCache();
+ _PR_InitClock();
+
+ _pr_sleeplock = PR_NewLock();
+ PR_ASSERT(NULL != _pr_sleeplock);
+
+ _PR_InitThreads(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
+
+#ifdef WIN16
+ {
+ PRInt32 top; /* artificial top of stack, win16 */
+ _pr_top_of_task_stack = (char *) &top;
+ }
+#endif
+
+#ifndef _PR_GLOBAL_THREADS_ONLY
+ _PR_InitCPUs();
+#endif
+
+/*
+ * XXX: call _PR_InitMem only on those platforms for which nspr implements
+ * malloc, for now.
+ */
+#ifdef _PR_OVERRIDE_MALLOC
+ _PR_InitMem();
+#endif
+
+ _PR_InitCMon();
+ _PR_InitIO();
+ _PR_InitNet();
+ _PR_InitTime();
+ _PR_InitLog();
+ _PR_InitLinker();
+ _PR_InitCallOnce();
+ _PR_InitDtoa();
+ _PR_InitMW();
+ _PR_InitRWLocks();
+
+ nspr_InitializePRErrorTable();
+
+ _PR_MD_FINAL_INIT();
+}
+
+void _PR_ImplicitInitialization(void)
+{
+ _PR_InitStuff();
+
+ /* Enable interrupts */
+#if !defined(_PR_PTHREADS) && !defined(_PR_GLOBAL_THREADS_ONLY)
+ _PR_MD_START_INTERRUPTS();
+#endif
+
+}
+
+PR_IMPLEMENT(void) PR_DisableClockInterrupts(void)
+{
+#if !defined(_PR_PTHREADS) && !defined(_PR_BTHREADS)
+ if (!_pr_initialized) {
+ _PR_InitStuff();
+ } else {
+ _PR_MD_DISABLE_CLOCK_INTERRUPTS();
+ }
+#endif
+}
+
+PR_IMPLEMENT(void) PR_EnableClockInterrupts(void)
+{
+#if !defined(_PR_PTHREADS) && !defined(_PR_BTHREADS)
+ if (!_pr_initialized) {
+ _PR_InitStuff();
+ }
+ _PR_MD_ENABLE_CLOCK_INTERRUPTS();
+#endif
+}
+
+PR_IMPLEMENT(void) PR_BlockClockInterrupts(void)
+{
+#if !defined(_PR_PTHREADS) && !defined(_PR_BTHREADS)
+ _PR_MD_BLOCK_CLOCK_INTERRUPTS();
+#endif
+}
+
+PR_IMPLEMENT(void) PR_UnblockClockInterrupts(void)
+{
+#if !defined(_PR_PTHREADS) && !defined(_PR_BTHREADS)
+ _PR_MD_UNBLOCK_CLOCK_INTERRUPTS();
+#endif
+}
+
+PR_IMPLEMENT(void) PR_Init(
+ PRThreadType type, PRThreadPriority priority, PRUintn maxPTDs)
+{
+ _PR_ImplicitInitialization();
+}
+
+PR_IMPLEMENT(PRIntn) PR_Initialize(
+ PRPrimordialFn prmain, PRIntn argc, char **argv, PRUintn maxPTDs)
+{
+ PRIntn rv;
+ _PR_ImplicitInitialization();
+ rv = prmain(argc, argv);
+ PR_Cleanup();
+ return rv;
+} /* PR_Initialize */
+
+/*
+ *-----------------------------------------------------------------------
+ *
+ * _PR_CleanupBeforeExit --
+ *
+ * Perform the cleanup work before exiting the process.
+ * We first do the cleanup generic to all platforms. Then
+ * we call _PR_MD_CLEANUP_BEFORE_EXIT(), where platform-dependent
+ * cleanup is done. This function is used by PR_Cleanup().
+ *
+ * See also: PR_Cleanup().
+ *
+ *-----------------------------------------------------------------------
+ */
+#if defined(_PR_PTHREADS) || defined(_PR_BTHREADS)
+ /* see ptthread.c */
+#else
+static void
+_PR_CleanupBeforeExit(void)
+{
+/*
+Do not make any calls here other than to destroy resources. For example,
+do not make any calls that eventually may end up in PR_Lock. Because the
+thread is destroyed, can not access current thread any more.
+*/
+ _PR_CleanupTPD();
+ if (_pr_terminationCVLock)
+ /*
+ * In light of the comment above, this looks real suspicious.
+ * I'd go so far as to say it's just a problem waiting to happen.
+ */
+ PR_DestroyLock(_pr_terminationCVLock);
+
+ _PR_MD_CLEANUP_BEFORE_EXIT();
+}
+#endif /* defined(_PR_PTHREADS) */
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * PR_Cleanup --
+ *
+ * Perform a graceful shutdown of the NSPR runtime. PR_Cleanup() may
+ * only be called from the primordial thread, typically at the
+ * end of the main() function. It returns when it has completed
+ * its platform-dependent duty and the process must not make any other
+ * NSPR library calls prior to exiting from main().
+ *
+ * PR_Cleanup() first blocks the primordial thread until all the
+ * other user (non-system) threads, if any, have terminated.
+ * Then it performs cleanup in preparation for exiting the process.
+ * PR_Cleanup() does not exit the primordial thread (which would
+ * in turn exit the process).
+ *
+ * PR_Cleanup() only responds when it is called by the primordial
+ * thread. Calls by any other thread are silently ignored.
+ *
+ * See also: PR_ExitProcess()
+ *
+ *----------------------------------------------------------------------
+ */
+#if defined(_PR_PTHREADS) || defined(_PR_BTHREADS)
+ /* see ptthread.c */
+#else
+
+PR_IMPLEMENT(PRStatus) PR_Cleanup()
+{
+ PRThread *me = PR_GetCurrentThread();
+ PR_ASSERT((NULL != me) && (me->flags & _PR_PRIMORDIAL));
+ if ((NULL != me) && (me->flags & _PR_PRIMORDIAL))
+ {
+ PR_LOG(_pr_thread_lm, PR_LOG_MIN, ("PR_Cleanup: shutting down NSPR"));
+
+ /*
+ * No more recycling of threads
+ */
+ _pr_recycleThreads = 0;
+
+ /*
+ * Wait for all other user (non-system/daemon) threads
+ * to terminate.
+ */
+ PR_Lock(_pr_activeLock);
+ while (_pr_userActive > _pr_primordialExitCount) {
+ PR_WaitCondVar(_pr_primordialExitCVar, PR_INTERVAL_NO_TIMEOUT);
+ }
+ if (me->flags & _PR_SYSTEM) {
+ _pr_systemActive--;
+ } else {
+ _pr_userActive--;
+ }
+ PR_Unlock(_pr_activeLock);
+
+#ifdef IRIX
+ _PR_MD_PRE_CLEANUP(me);
+ /*
+ * The primordial thread must now be running on the primordial cpu
+ */
+ PR_ASSERT((_PR_IS_NATIVE_THREAD(me)) || (me->cpu->id == 0));
+#endif
+
+ _PR_MD_EARLY_CLEANUP();
+
+ _PR_CleanupMW();
+ _PR_CleanupTime();
+ _PR_CleanupDtoa();
+ _PR_CleanupCallOnce();
+ _PR_ShutdownLinker();
+ _PR_CleanupNet();
+ _PR_CleanupIO();
+ /* Release the primordial thread's private data, etc. */
+ _PR_CleanupThread(me);
+
+ _PR_MD_STOP_INTERRUPTS();
+
+ PR_LOG(_pr_thread_lm, PR_LOG_MIN,
+ ("PR_Cleanup: clean up before destroying thread"));
+ _PR_LogCleanup();
+
+ /*
+ * This part should look like the end of _PR_NativeRunThread
+ * and _PR_UserRunThread.
+ */
+ if (_PR_IS_NATIVE_THREAD(me)) {
+ _PR_MD_EXIT_THREAD(me);
+ _PR_NativeDestroyThread(me);
+ } else {
+ _PR_UserDestroyThread(me);
+ PR_DELETE(me->stack);
+ PR_DELETE(me);
+ }
+
+ /*
+ * XXX: We are freeing the heap memory here so that Purify won't
+ * complain, but we should also free other kinds of resources
+ * that are allocated by the _PR_InitXXX() functions.
+ * Ideally, for each _PR_InitXXX(), there should be a corresponding
+ * _PR_XXXCleanup() that we can call here.
+ */
+#ifdef WINNT
+ _PR_CleanupCPUs();
+#endif
+ _PR_CleanupThreads();
+ _PR_CleanupCMon();
+ PR_DestroyLock(_pr_sleeplock);
+ _pr_sleeplock = NULL;
+ _PR_CleanupLayerCache();
+ _PR_CleanupEnv();
+ _PR_CleanupStacks();
+ _PR_CleanupBeforeExit();
+ _pr_initialized = PR_FALSE;
+ return PR_SUCCESS;
+ }
+ return PR_FAILURE;
+}
+#endif /* defined(_PR_PTHREADS) */
+
+/*
+ *------------------------------------------------------------------------
+ * PR_ProcessExit --
+ *
+ * Cause an immediate, nongraceful, forced termination of the process.
+ * It takes a PRIntn argument, which is the exit status code of the
+ * process.
+ *
+ * See also: PR_Cleanup()
+ *
+ *------------------------------------------------------------------------
+ */
+
+#if defined(_PR_PTHREADS) || defined(_PR_BTHREADS)
+ /* see ptthread.c */
+#else
+PR_IMPLEMENT(void) PR_ProcessExit(PRIntn status)
+{
+ _PR_MD_EXIT(status);
+}
+
+#endif /* defined(_PR_PTHREADS) */
+
+PR_IMPLEMENT(PRProcessAttr *)
+PR_NewProcessAttr(void)
+{
+ PRProcessAttr *attr;
+
+ attr = PR_NEWZAP(PRProcessAttr);
+ if (!attr) {
+ PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+ }
+ return attr;
+}
+
+PR_IMPLEMENT(void)
+PR_ResetProcessAttr(PRProcessAttr *attr)
+{
+ PR_FREEIF(attr->currentDirectory);
+ PR_FREEIF(attr->fdInheritBuffer);
+ memset(attr, 0, sizeof(*attr));
+}
+
+PR_IMPLEMENT(void)
+PR_DestroyProcessAttr(PRProcessAttr *attr)
+{
+ PR_FREEIF(attr->currentDirectory);
+ PR_FREEIF(attr->fdInheritBuffer);
+ PR_DELETE(attr);
+}
+
+PR_IMPLEMENT(void)
+PR_ProcessAttrSetStdioRedirect(
+ PRProcessAttr *attr,
+ PRSpecialFD stdioFd,
+ PRFileDesc *redirectFd)
+{
+ switch (stdioFd) {
+ case PR_StandardInput:
+ attr->stdinFd = redirectFd;
+ break;
+ case PR_StandardOutput:
+ attr->stdoutFd = redirectFd;
+ break;
+ case PR_StandardError:
+ attr->stderrFd = redirectFd;
+ break;
+ default:
+ PR_ASSERT(0);
+ }
+}
+
+/*
+ * OBSOLETE
+ */
+PR_IMPLEMENT(void)
+PR_SetStdioRedirect(
+ PRProcessAttr *attr,
+ PRSpecialFD stdioFd,
+ PRFileDesc *redirectFd)
+{
+#if defined(DEBUG)
+ static PRBool warn = PR_TRUE;
+ if (warn) {
+ warn = _PR_Obsolete("PR_SetStdioRedirect()",
+ "PR_ProcessAttrSetStdioRedirect()");
+ }
+#endif
+ PR_ProcessAttrSetStdioRedirect(attr, stdioFd, redirectFd);
+}
+
+PR_IMPLEMENT(PRStatus)
+PR_ProcessAttrSetCurrentDirectory(
+ PRProcessAttr *attr,
+ const char *dir)
+{
+ PR_FREEIF(attr->currentDirectory);
+ attr->currentDirectory = (char *) PR_MALLOC(strlen(dir) + 1);
+ if (!attr->currentDirectory) {
+ PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+ return PR_FAILURE;
+ }
+ strcpy(attr->currentDirectory, dir);
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRStatus)
+PR_ProcessAttrSetInheritableFD(
+ PRProcessAttr *attr,
+ PRFileDesc *fd,
+ const char *name)
+{
+ /* We malloc the fd inherit buffer in multiples of this number. */
+#define FD_INHERIT_BUFFER_INCR 128
+ /* The length of "NSPR_INHERIT_FDS=" */
+#define NSPR_INHERIT_FDS_STRLEN 17
+ /* The length of osfd (PROsfd) printed in hexadecimal with 0x prefix */
+#ifdef _WIN64
+#define OSFD_STRLEN 18
+#else
+#define OSFD_STRLEN 10
+#endif
+ /* The length of fd type (PRDescType) printed in decimal */
+#define FD_TYPE_STRLEN 1
+ PRSize newSize;
+ int remainder;
+ char *newBuffer;
+ int nwritten;
+ char *cur;
+ int freeSize;
+
+ if (fd->identity != PR_NSPR_IO_LAYER) {
+ PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
+ return PR_FAILURE;
+ }
+ if (fd->secret->inheritable == _PR_TRI_UNKNOWN) {
+ _PR_MD_QUERY_FD_INHERITABLE(fd);
+ }
+ if (fd->secret->inheritable != _PR_TRI_TRUE) {
+ PR_SetError(PR_NO_ACCESS_RIGHTS_ERROR, 0);
+ return PR_FAILURE;
+ }
+
+ /*
+ * We also need to account for the : separators and the
+ * terminating null byte.
+ */
+ if (NULL == attr->fdInheritBuffer) {
+ /* The first time, we print "NSPR_INHERIT_FDS=<name>:<type>:<val>" */
+ newSize = NSPR_INHERIT_FDS_STRLEN + strlen(name)
+ + FD_TYPE_STRLEN + OSFD_STRLEN + 2 + 1;
+ } else {
+ /* At other times, we print ":<name>:<type>:<val>" */
+ newSize = attr->fdInheritBufferUsed + strlen(name)
+ + FD_TYPE_STRLEN + OSFD_STRLEN + 3 + 1;
+ }
+ if (newSize > attr->fdInheritBufferSize) {
+ /* Make newSize a multiple of FD_INHERIT_BUFFER_INCR */
+ remainder = newSize % FD_INHERIT_BUFFER_INCR;
+ if (remainder != 0) {
+ newSize += (FD_INHERIT_BUFFER_INCR - remainder);
+ }
+ if (NULL == attr->fdInheritBuffer) {
+ newBuffer = (char *) PR_MALLOC(newSize);
+ } else {
+ newBuffer = (char *) PR_REALLOC(attr->fdInheritBuffer, newSize);
+ }
+ if (NULL == newBuffer) {
+ PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
+ return PR_FAILURE;
+ }
+ attr->fdInheritBuffer = newBuffer;
+ attr->fdInheritBufferSize = newSize;
+ }
+ cur = attr->fdInheritBuffer + attr->fdInheritBufferUsed;
+ freeSize = attr->fdInheritBufferSize - attr->fdInheritBufferUsed;
+ if (0 == attr->fdInheritBufferUsed) {
+ nwritten = PR_snprintf(cur, freeSize,
+ "NSPR_INHERIT_FDS=%s:%d:0x%" PR_PRIxOSFD,
+ name, (PRIntn)fd->methods->file_type, fd->secret->md.osfd);
+ } else {
+ nwritten = PR_snprintf(cur, freeSize, ":%s:%d:0x%" PR_PRIxOSFD,
+ name, (PRIntn)fd->methods->file_type, fd->secret->md.osfd);
+ }
+ attr->fdInheritBufferUsed += nwritten;
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRFileDesc *) PR_GetInheritedFD(
+ const char *name)
+{
+ PRFileDesc *fd;
+ const char *envVar;
+ const char *ptr;
+ int len = strlen(name);
+ PROsfd osfd;
+ int nColons;
+ PRIntn fileType;
+
+ envVar = PR_GetEnv("NSPR_INHERIT_FDS");
+ if (NULL == envVar || '\0' == envVar[0]) {
+ PR_SetError(PR_UNKNOWN_ERROR, 0);
+ return NULL;
+ }
+
+ ptr = envVar;
+ while (1) {
+ if ((ptr[len] == ':') && (strncmp(ptr, name, len) == 0)) {
+ ptr += len + 1;
+ if (PR_sscanf(ptr, "%d:0x%" PR_SCNxOSFD, &fileType, &osfd) != 2) {
+ PR_SetError(PR_UNKNOWN_ERROR, 0);
+ return NULL;
+ }
+ switch ((PRDescType)fileType) {
+ case PR_DESC_FILE:
+ fd = PR_ImportFile(osfd);
+ break;
+ case PR_DESC_PIPE:
+ fd = PR_ImportPipe(osfd);
+ break;
+ case PR_DESC_SOCKET_TCP:
+ fd = PR_ImportTCPSocket(osfd);
+ break;
+ case PR_DESC_SOCKET_UDP:
+ fd = PR_ImportUDPSocket(osfd);
+ break;
+ default:
+ PR_ASSERT(0);
+ PR_SetError(PR_UNKNOWN_ERROR, 0);
+ fd = NULL;
+ break;
+ }
+ if (fd) {
+ /*
+ * An inherited FD is inheritable by default.
+ * The child process needs to call PR_SetFDInheritable
+ * to make it non-inheritable if so desired.
+ */
+ fd->secret->inheritable = _PR_TRI_TRUE;
+ }
+ return fd;
+ }
+ /* Skip three colons */
+ nColons = 0;
+ while (*ptr) {
+ if (*ptr == ':') {
+ if (++nColons == 3) {
+ break;
+ }
+ }
+ ptr++;
+ }
+ if (*ptr == '\0') {
+ PR_SetError(PR_UNKNOWN_ERROR, 0);
+ return NULL;
+ }
+ ptr++;
+ }
+}
+
+PR_IMPLEMENT(PRProcess*) PR_CreateProcess(
+ const char *path,
+ char *const *argv,
+ char *const *envp,
+ const PRProcessAttr *attr)
+{
+ return _PR_MD_CREATE_PROCESS(path, argv, envp, attr);
+} /* PR_CreateProcess */
+
+PR_IMPLEMENT(PRStatus) PR_CreateProcessDetached(
+ const char *path,
+ char *const *argv,
+ char *const *envp,
+ const PRProcessAttr *attr)
+{
+ PRProcess *process;
+ PRStatus rv;
+
+ process = PR_CreateProcess(path, argv, envp, attr);
+ if (NULL == process) {
+ return PR_FAILURE;
+ }
+ rv = PR_DetachProcess(process);
+ PR_ASSERT(PR_SUCCESS == rv);
+ if (rv == PR_FAILURE) {
+ PR_DELETE(process);
+ return PR_FAILURE;
+ }
+ return PR_SUCCESS;
+}
+
+PR_IMPLEMENT(PRStatus) PR_DetachProcess(PRProcess *process)
+{
+ return _PR_MD_DETACH_PROCESS(process);
+}
+
+PR_IMPLEMENT(PRStatus) PR_WaitProcess(PRProcess *process, PRInt32 *exitCode)
+{
+ return _PR_MD_WAIT_PROCESS(process, exitCode);
+} /* PR_WaitProcess */
+
+PR_IMPLEMENT(PRStatus) PR_KillProcess(PRProcess *process)
+{
+ return _PR_MD_KILL_PROCESS(process);
+}
+
+/*
+ ********************************************************************
+ *
+ * Module initialization
+ *
+ ********************************************************************
+ */
+
+static struct {
+ PRLock *ml;
+ PRCondVar *cv;
+} mod_init;
+
+static void _PR_InitCallOnce(void) {
+ mod_init.ml = PR_NewLock();
+ PR_ASSERT(NULL != mod_init.ml);
+ mod_init.cv = PR_NewCondVar(mod_init.ml);
+ PR_ASSERT(NULL != mod_init.cv);
+}
+
+void _PR_CleanupCallOnce()
+{
+ PR_DestroyLock(mod_init.ml);
+ mod_init.ml = NULL;
+ PR_DestroyCondVar(mod_init.cv);
+ mod_init.cv = NULL;
+}
+
+PR_IMPLEMENT(PRStatus) PR_CallOnce(
+ PRCallOnceType *once,
+ PRCallOnceFN func)
+{
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ if (!once->initialized) {
+ if (PR_ATOMIC_SET(&once->inProgress, 1) == 0) {
+ once->status = (*func)();
+ PR_Lock(mod_init.ml);
+ once->initialized = 1;
+ PR_NotifyAllCondVar(mod_init.cv);
+ PR_Unlock(mod_init.ml);
+ } else {
+ PR_Lock(mod_init.ml);
+ while (!once->initialized) {
+ PR_WaitCondVar(mod_init.cv, PR_INTERVAL_NO_TIMEOUT);
+ }
+ PR_Unlock(mod_init.ml);
+ }
+ } else {
+ if (PR_SUCCESS != once->status) {
+ PR_SetError(PR_CALL_ONCE_ERROR, 0);
+ }
+ }
+ return once->status;
+}
+
+PR_IMPLEMENT(PRStatus) PR_CallOnceWithArg(
+ PRCallOnceType *once,
+ PRCallOnceWithArgFN func,
+ void *arg)
+{
+ if (!_pr_initialized) _PR_ImplicitInitialization();
+
+ if (!once->initialized) {
+ if (PR_ATOMIC_SET(&once->inProgress, 1) == 0) {
+ once->status = (*func)(arg);
+ PR_Lock(mod_init.ml);
+ once->initialized = 1;
+ PR_NotifyAllCondVar(mod_init.cv);
+ PR_Unlock(mod_init.ml);
+ } else {
+ PR_Lock(mod_init.ml);
+ while (!once->initialized) {
+ PR_WaitCondVar(mod_init.cv, PR_INTERVAL_NO_TIMEOUT);
+ }
+ PR_Unlock(mod_init.ml);
+ }
+ } else {
+ if (PR_SUCCESS != once->status) {
+ PR_SetError(PR_CALL_ONCE_ERROR, 0);
+ }
+ }
+ return once->status;
+}
+
+PRBool _PR_Obsolete(const char *obsolete, const char *preferred)
+{
+#if defined(DEBUG)
+ PR_fprintf(
+ PR_STDERR, "'%s' is obsolete. Use '%s' instead.\n",
+ obsolete, (NULL == preferred) ? "something else" : preferred);
+#endif
+ return PR_FALSE;
+} /* _PR_Obsolete */
+
+/* prinit.c */
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 22:57:40 +0000