The Tor Browser: nsprpub/pr/src/md/unix/uxshm.c@6474c204b198 (annotated)

nsprpub/pr/src/md/unix/uxshm.c@6474c204b198 (annotated)

nsprpub/pr/src/md/unix/uxshm.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- 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/. */
 /*
 ** uxshm.c -- Unix Implementations NSPR Named Shared Memory
 **
 **
 ** lth. Jul-1999.
 **
 */
 #include <string.h>
 #include <prshm.h>
 #include <prerr.h>
 #include <prmem.h>
 #include "primpl.h"
 #include <fcntl.h>
 extern PRLogModuleInfo *_pr_shm_lm;
 #define NSPR_IPC_SHM_KEY 'b'
 /*
 ** Implementation for System V
 */
 #if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
 #include <sys/ipc.h>
 #include <sys/shm.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #define _MD_OPEN_SHARED_MEMORY _MD_OpenSharedMemory
 #define _MD_ATTACH_SHARED_MEMORY _MD_AttachSharedMemory
 #define _MD_DETACH_SHARED_MEMORY _MD_DetachSharedMemory
 #define _MD_CLOSE_SHARED_MEMORY _MD_CloseSharedMemory
 #define _MD_DELETE_SHARED_MEMORY  _MD_DeleteSharedMemory
 extern PRSharedMemory * _MD_OpenSharedMemory(
     const char *name,
     PRSize      size,
     PRIntn      flags,
     PRIntn      mode
 )
 {
     PRStatus rc = PR_SUCCESS;
     key_t   key;
     PRSharedMemory *shm;
     char        ipcname[PR_IPC_NAME_SIZE];
     rc = _PR_MakeNativeIPCName( name, ipcname, PR_IPC_NAME_SIZE, _PRIPCShm );
     if ( PR_FAILURE == rc )
     {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): _PR_MakeNativeIPCName() failed: %s", name ));
         return( NULL );
     }
     shm = PR_NEWZAP( PRSharedMemory );
     if ( NULL == shm )
     {
         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG, ( "PR_OpenSharedMemory: New PRSharedMemory out of memory"));
         return( NULL );
     }
     shm->ipcname = (char*)PR_MALLOC( strlen( ipcname ) + 1 );
     if ( NULL == shm->ipcname )
     {
         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG, ( "PR_OpenSharedMemory: New shm->ipcname out of memory"));
         PR_DELETE( shm );
         return( NULL );
     }
     /* copy args to struct */
     strcpy( shm->ipcname, ipcname );
     shm->size = size;
     shm->mode = mode;
     shm->flags = flags;
     shm->ident = _PR_SHM_IDENT;
     /* create the file first */
     if ( flags & PR_SHM_CREATE )  {
         int osfd = open( shm->ipcname, (O_RDWR | O_CREAT), shm->mode );
         if ( -1 == osfd ) {
             _PR_MD_MAP_OPEN_ERROR( errno );
             PR_FREEIF( shm->ipcname );
             PR_DELETE( shm );
             return( NULL );
         }
         if ( close(osfd) == -1 ) {
             _PR_MD_MAP_CLOSE_ERROR( errno );
             PR_FREEIF( shm->ipcname );
             PR_DELETE( shm );
             return( NULL );
         }
     }
     /* hash the shm.name to an ID */
     key = ftok( shm->ipcname, NSPR_IPC_SHM_KEY );
     if ( -1 == key )
     {
         rc = PR_FAILURE;
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): ftok() failed on name: %s", shm->ipcname));
         PR_FREEIF( shm->ipcname );
         PR_DELETE( shm );
         return( NULL );
     }
     /* get the shared memory */
     if ( flags & PR_SHM_CREATE )  {
         shm->id = shmget( key, shm->size, ( shm->mode | IPC_CREAT|IPC_EXCL));
         if ( shm->id >= 0 ) {
             return( shm );
         }
         if ((errno == EEXIST) && (flags & PR_SHM_EXCL)) {
             PR_SetError( PR_FILE_EXISTS_ERROR, errno );
             PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
                 ("_MD_OpenSharedMemory(): shmget() exclusive failed, errno: %d", errno));
             PR_FREEIF(shm->ipcname);
             PR_DELETE(shm);
             return(NULL);
         }
     }
     shm->id = shmget( key, shm->size, shm->mode );
     if ( -1 == shm->id ) {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): shmget() failed, errno: %d", errno));
         PR_FREEIF(shm->ipcname);
         PR_DELETE(shm);
         return(NULL);
     }
     return( shm );
 } /* end _MD_OpenSharedMemory() */
 extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
 {
     void        *addr;
     PRUint32    aFlags = shm->mode;
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     aFlags |= (flags & PR_SHM_READONLY )? SHM_RDONLY : 0;
     addr = shmat( shm->id, NULL, aFlags );
     if ( (void*)-1 == addr )
     {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_AttachSharedMemory(): shmat() failed on name: %s, OsError: %d",
                 shm->ipcname, PR_GetOSError() ));
         addr = NULL;
     }
     return addr;
 }
 extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
 {
     PRStatus rc = PR_SUCCESS;
     PRIntn   urc;
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     urc = shmdt( addr );
     if ( -1 == urc )
     {
         rc = PR_FAILURE;
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DetachSharedMemory(): shmdt() failed on name: %s", shm->ipcname ));
     }
     return rc;
 }
 extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
 {
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     PR_FREEIF(shm->ipcname);
     PR_DELETE(shm);
     return PR_SUCCESS;
 }
 extern PRStatus _MD_DeleteSharedMemory( const char *name )
 {
     PRStatus rc = PR_SUCCESS;
     key_t   key;
     int     id;
     PRIntn  urc;
     char        ipcname[PR_IPC_NAME_SIZE];
     rc = _PR_MakeNativeIPCName( name, ipcname, PR_IPC_NAME_SIZE, _PRIPCShm );
     if ( PR_FAILURE == rc )
     {
         PR_SetError( PR_UNKNOWN_ERROR , errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): _PR_MakeNativeIPCName() failed: %s", name ));
         return(PR_FAILURE);
     }
     /* create the file first */
     {
         int osfd = open( ipcname, (O_RDWR | O_CREAT), 0666 );
         if ( -1 == osfd ) {
             _PR_MD_MAP_OPEN_ERROR( errno );
             return( PR_FAILURE );
         }
         if ( close(osfd) == -1 ) {
             _PR_MD_MAP_CLOSE_ERROR( errno );
             return( PR_FAILURE );
         }
     }
     /* hash the shm.name to an ID */
     key = ftok( ipcname, NSPR_IPC_SHM_KEY );
     if ( -1 == key )
     {
         rc = PR_FAILURE;
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): ftok() failed on name: %s", ipcname));
     }
 #ifdef SYMBIAN
     /* In Symbian OS the system imposed minimum is 1 byte, instead of ZERO */
     id = shmget( key, 1, 0 );
 #else
     id = shmget( key, 0, 0 );
 #endif
     if ( -1 == id ) {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): shmget() failed, errno: %d", errno));
         return(PR_FAILURE);
     }
     urc = shmctl( id, IPC_RMID, NULL );
     if ( -1 == urc )
     {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): shmctl() failed on name: %s", ipcname ));
         return(PR_FAILURE);
     }
     urc = unlink( ipcname );
     if ( -1 == urc ) {
         _PR_MD_MAP_UNLINK_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): unlink() failed: %s", ipcname ));
         return(PR_FAILURE);
     }
     return rc;
 }  /* end _MD_DeleteSharedMemory() */
 /*
 ** Implementation for Posix
 */
 #elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
 #include <sys/mman.h>
 #define _MD_OPEN_SHARED_MEMORY _MD_OpenSharedMemory
 #define _MD_ATTACH_SHARED_MEMORY _MD_AttachSharedMemory
 #define _MD_DETACH_SHARED_MEMORY _MD_DetachSharedMemory
 #define _MD_CLOSE_SHARED_MEMORY _MD_CloseSharedMemory
 #define _MD_DELETE_SHARED_MEMORY  _MD_DeleteSharedMemory
 struct _MDSharedMemory {
     int     handle;
 };
 extern PRSharedMemory * _MD_OpenSharedMemory(
     const char *name,
     PRSize      size,
     PRIntn      flags,
     PRIntn      mode
 )
 {
     PRStatus    rc = PR_SUCCESS;
     PRInt32     end;
     PRSharedMemory *shm;
     char        ipcname[PR_IPC_NAME_SIZE];
     rc = _PR_MakeNativeIPCName( name, ipcname, PR_IPC_NAME_SIZE, _PRIPCShm );
     if ( PR_FAILURE == rc )
     {
         PR_SetError( PR_UNKNOWN_ERROR , errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): _PR_MakeNativeIPCName() failed: %s", name ));
         return( NULL );
     }
     shm = PR_NEWZAP( PRSharedMemory );
     if ( NULL == shm )
     {
         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG, ( "PR_OpenSharedMemory: New PRSharedMemory out of memory"));
         return( NULL );
     }
     shm->ipcname = PR_MALLOC( strlen( ipcname ) + 1 );
     if ( NULL == shm->ipcname )
     {
         PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0 );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG, ( "PR_OpenSharedMemory: New shm->ipcname out of memory"));
         return( NULL );
     }
     /* copy args to struct */
     strcpy( shm->ipcname, ipcname );
     shm->size = size;
     shm->mode = mode;
     shm->flags = flags;
     shm->ident = _PR_SHM_IDENT;
     /*
     ** Create the shared memory
     */
     if ( flags & PR_SHM_CREATE )  {
         int oflag = (O_CREAT | O_RDWR);
         if ( flags & PR_SHM_EXCL )
             oflag |= O_EXCL;
         shm->id = shm_open( shm->ipcname, oflag, shm->mode );
     } else {
         shm->id = shm_open( shm->ipcname, O_RDWR, shm->mode );
     }
     if ( -1 == shm->id )  {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): shm_open failed: %s, OSError: %d",
                 shm->ipcname, PR_GetOSError()));
         PR_DELETE( shm->ipcname );
         PR_DELETE( shm );
         return(NULL);
     }
     end = ftruncate( shm->id, shm->size );
     if ( -1 == end ) {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG(_pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): ftruncate failed, OSError: %d",
                 PR_GetOSError()));
         PR_DELETE( shm->ipcname );
         PR_DELETE( shm );
         return(NULL);
     }
     return(shm);
 } /* end _MD_OpenSharedMemory() */
 extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
 {
     void        *addr;
     PRIntn      prot = (PROT_READ | PROT_WRITE);
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     if ( PR_SHM_READONLY == flags)
         prot ^= PROT_WRITE;
     addr = mmap( (void*)0, shm->size, prot, MAP_SHARED, shm->id, 0 );
     if ((void*)-1 == addr )
     {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_AttachSharedMemory(): mmap failed: %s, errno: %d",
                 shm->ipcname, PR_GetOSError()));
         addr = NULL;
     } else {
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_AttachSharedMemory(): name: %s, attached at: %p", shm->ipcname, addr));
     }
     return addr;
 }
 extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
 {
     PRStatus    rc = PR_SUCCESS;
     PRIntn      urc;
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     urc = munmap( addr, shm->size );
     if ( -1 == urc )
     {
         rc = PR_FAILURE;
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DetachSharedMemory(): munmap failed: %s, errno: %d",
                 shm->ipcname, PR_GetOSError()));
     }
     return rc;
 }
 extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
 {
     int urc;
     PR_ASSERT( shm->ident == _PR_SHM_IDENT );
     urc = close( shm->id );
     if ( -1 == urc ) {
         _PR_MD_MAP_CLOSE_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_CloseSharedMemory(): close() failed, error: %d", PR_GetOSError()));
         return(PR_FAILURE);
     }
     PR_DELETE( shm->ipcname );
     PR_DELETE( shm );
     return PR_SUCCESS;
 }
 extern PRStatus _MD_DeleteSharedMemory( const char *name )
 {
     PRStatus    rc = PR_SUCCESS;
     PRUintn     urc;
     char        ipcname[PR_IPC_NAME_SIZE];
     rc = _PR_MakeNativeIPCName( name, ipcname, PR_IPC_NAME_SIZE, _PRIPCShm );
     if ( PR_FAILURE == rc )
     {
         PR_SetError( PR_UNKNOWN_ERROR , errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_OpenSharedMemory(): _PR_MakeNativeIPCName() failed: %s", name ));
         return rc;
     }
     urc = shm_unlink( ipcname );
     if ( -1 == urc ) {
         rc = PR_FAILURE;
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): shm_unlink failed: %s, errno: %d",
                 ipcname, PR_GetOSError()));
     } else {
         PR_LOG( _pr_shm_lm, PR_LOG_DEBUG,
             ("_MD_DeleteSharedMemory(): %s, success", ipcname));
     }
     return rc;
 } /* end _MD_DeleteSharedMemory() */
 #endif
 /*
 ** Unix implementation for anonymous memory (file) mapping
 */
 extern PRLogModuleInfo *_pr_shma_lm;
 #include <unistd.h>
 extern PRFileMap* _md_OpenAnonFileMap(
     const char *dirName,
     PRSize      size,
     PRFileMapProtect prot
 )
 {
     PRFileMap   *fm = NULL;
     PRFileDesc  *fd;
     int         osfd;
     PRIntn      urc;
     PRIntn      mode = 0600;
     char        *genName;
     pid_t       pid = getpid(); /* for generating filename */
     PRThread    *tid = PR_GetCurrentThread(); /* for generating filename */
     int         incr; /* for generating filename */
     const int   maxTries = 20; /* maximum # attempts at a unique filename */
     PRInt64     size64; /* 64-bit version of 'size' */
     /*
     ** generate a filename from input and runtime environment
     ** open the file, unlink the file.
     ** make maxTries number of attempts at uniqueness in the filename
     */
     for ( incr = 0; incr < maxTries ; incr++ ) {
 #if defined(SYMBIAN)
 #define NSPR_AFM_FILENAME "%s\\NSPR-AFM-%d-%p.%d"
 #else
 #define NSPR_AFM_FILENAME "%s/.NSPR-AFM-%d-%p.%d"
 #endif
         genName = PR_smprintf( NSPR_AFM_FILENAME,
             dirName, (int) pid, tid, incr );
         if ( NULL == genName ) {
             PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
                 ("_md_OpenAnonFileMap(): PR_snprintf(): failed, generating filename"));
             goto Finished;
         }
         /* create the file */
         osfd = open( genName, (O_CREAT | O_EXCL | O_RDWR), mode );
         if ( -1 == osfd ) {
             if ( EEXIST == errno )  {
                 PR_smprintf_free( genName );
                 continue; /* name exists, try again */
             } else {
                 _PR_MD_MAP_OPEN_ERROR( errno );
                 PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
                     ("_md_OpenAnonFileMap(): open(): failed, filename: %s, errno: %d",
                         genName, PR_GetOSError()));
                 PR_smprintf_free( genName );
                 goto Finished;
             }
         }
         break; /* name generation and open successful, break; */
     } /* end for() */
     if ( incr == maxTries ) {
         PR_ASSERT( -1 == osfd );
         PR_ASSERT( EEXIST == errno );
         _PR_MD_MAP_OPEN_ERROR( errno );
         goto Finished;
     }
     urc = unlink( genName );
 #if defined(SYMBIAN) && defined(__WINS__)
     /* If it is being used by the system or another process, Symbian OS
      * Emulator(WINS) considers this an error. */
     if ( -1 == urc && EACCES != errno ) {
 #else
     if ( -1 == urc ) {
 #endif
         _PR_MD_MAP_UNLINK_ERROR( errno );
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_OpenAnonFileMap(): failed on unlink(), errno: %d", errno));
         PR_smprintf_free( genName );
         close( osfd );
         goto Finished;
     }
     PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
         ("_md_OpenAnonFileMap(): unlink(): %s", genName ));
     PR_smprintf_free( genName );
     fd = PR_ImportFile( osfd );
     if ( NULL == fd ) {
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_OpenAnonFileMap(): PR_ImportFile(): failed"));
         goto Finished;
     }
     PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
         ("_md_OpenAnonFileMap(): fd: %p", fd ));
     urc = ftruncate( fd->secret->md.osfd, size );
     if ( -1 == urc ) {
         _PR_MD_MAP_DEFAULT_ERROR( errno );
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_OpenAnonFileMap(): failed on ftruncate(), errno: %d", errno));
         PR_Close( fd );
         goto Finished;
     }
     PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
         ("_md_OpenAnonFileMap(): ftruncate(): size: %d", size ));
     LL_UI2L(size64, size);  /* PRSize (size_t) is unsigned */
     fm = PR_CreateFileMap( fd, size64, prot );
     if ( NULL == fm )  {
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("PR_OpenAnonFileMap(): failed"));
         PR_Close( fd );
         goto Finished;
     }
     fm->md.isAnonFM = PR_TRUE; /* set fd close */
     PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
         ("_md_OpenAnonFileMap(): PR_CreateFileMap(): fm: %p", fm ));
 Finished:
     return(fm);
 } /* end md_OpenAnonFileMap() */
 /*
 ** _md_ExportFileMapAsString()
 **
 **
 */
 extern PRStatus _md_ExportFileMapAsString(
     PRFileMap *fm,
     PRSize    bufSize,
     char      *buf
 )
 {
     PRIntn  written;
     PRIntn  prot = (PRIntn)fm->prot;
     written = PR_snprintf( buf, bufSize, "%ld:%d",
         fm->fd->secret->md.osfd, prot );
     return((written == -1)? PR_FAILURE : PR_SUCCESS);
 } /* end _md_ExportFileMapAsString() */
 extern PRFileMap * _md_ImportFileMapFromString(
     const char *fmstring
 )
 {
     PRStatus    rc;
     PRInt32     osfd;
     PRIntn      prot; /* really: a PRFileMapProtect */
     PRFileDesc  *fd;
     PRFileMap   *fm = NULL; /* default return value */
     PRFileInfo64 info;
     PR_sscanf( fmstring, "%ld:%d", &osfd, &prot );
     /* import the os file descriptor */
     fd = PR_ImportFile( osfd );
     if ( NULL == fd ) {
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_ImportFileMapFromString(): PR_ImportFile() failed"));
         goto Finished;
     }
     rc = PR_GetOpenFileInfo64( fd, &info );
     if ( PR_FAILURE == rc )  {
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_ImportFileMapFromString(): PR_GetOpenFileInfo64() failed"));
         goto Finished;
     }
     fm = PR_CreateFileMap( fd, info.size, (PRFileMapProtect)prot );
     if ( NULL == fm ) {
         PR_LOG( _pr_shma_lm, PR_LOG_DEBUG,
             ("_md_ImportFileMapFromString(): PR_CreateFileMap() failed"));
     }
 Finished:
     return(fm);
 } /* end _md_ImportFileMapFromString() */

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nsprpub/pr/src/md/unix/uxshm.c@6474c204b198 (annotated)

nsprpub/pr/src/md/unix/uxshm.c