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Bugzilla bug 100776: handle non-blocking connect correctly on OS/2. 

The fix is contributed by Javier Pedemonte <pedemont@us.ibm.com>.
r=mkaply.
Modified files: configure configure.in _os2.h _os2_errors.h prsocket.c
os2_errors.c os2poll.c os2sock.c
This commit is contained in:
wtc%netscape.com 2002-01-18 01:27:20 +00:00
Родитель 880fdbee62
Коммит 72a56c320d
8 изменённых файлов: 668 добавлений и 784 удалений
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10
nsprpub/configure поставляемый
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@ -4538,10 +4538,6 @@ EOF
*-os2*)
cat >> confdefs.h <<\EOF
#define XP_OS2 1
EOF
cat >> confdefs.h <<\EOF
#define BSD_SELECT 1
EOF
cat >> confdefs.h <<\EOF
@ -4568,6 +4564,10 @@ EOF
if test "$GNU_CC"; then
cat >> confdefs.h <<\EOF
#define XP_OS2_EMX 1
EOF
cat >> confdefs.h <<\EOF
#define BSD_SELECT 1
EOF
cat >> confdefs.h <<\EOF
@ -5573,7 +5573,7 @@ s%\[%\\&%g
s%\]%\\&%g
s%\$%$$%g
EOF
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' ' | tr '\015' ' '`
DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' ' | tr '\015' ' '`
rm -f conftest.defs

2
nsprpub/configure.in
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@ -1674,7 +1674,6 @@ mips-sony-newsos*)
*-os2*)
AC_DEFINE(XP_OS2)
AC_DEFINE(BSD_SELECT)
AC_DEFINE(XP_PC)
AC_DEFINE(_PR_GLOBAL_THREADS_ONLY)
OBJ_SUFFIX=obj
@ -1692,6 +1691,7 @@ mips-sony-newsos*)
# EMX/GCC build
if test "$GNU_CC"; then
AC_DEFINE(XP_OS2_EMX)
AC_DEFINE(BSD_SELECT)
AC_DEFINE(OS2)
AR=emxomfar
AR_FLAGS='-p256 r $@'

2
nsprpub/pr/include/md/_os2.h
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@ -537,4 +537,6 @@ unsigned long _System _DLL_InitTerm( unsigned long mod_handle, unsigned long fla
#define FreeLibrary(x) DosFreeModule((HMODULE)x)
#define OutputDebugString(x)
extern int _MD_os2_get_nonblocking_connect_error(int osfd);
#endif /* nspr_os2_defs_h___ */

7
nsprpub/pr/include/md/_os2_errors.h
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@ -46,8 +46,8 @@ NSPR_API(void) _MD_os2_map_opendir_error(PRInt32 err);
NSPR_API(void) _MD_os2_map_closedir_error(PRInt32 err);
#define _PR_MD_MAP_CLOSEDIR_ERROR _MD_os2_map_closedir_error
NSPR_API(void) _MD_unix_readdir_error(PRInt32 err);
#define _PR_MD_MAP_READDIR_ERROR _MD_unix_readdir_error
NSPR_API(void) _MD_os2_readdir_error(PRInt32 err);
#define _PR_MD_MAP_READDIR_ERROR _MD_os2_readdir_error
NSPR_API(void) _MD_os2_map_delete_error(PRInt32 err);
#define _PR_MD_MAP_DELETE_ERROR _MD_os2_map_delete_error
@ -103,6 +103,9 @@ NSPR_API(void) _MD_os2_map_send_error(PRInt32 err);
NSPR_API(void) _MD_os2_map_sendto_error(PRInt32 err);
#define _PR_MD_MAP_SENDTO_ERROR _MD_os2_map_sendto_error
NSPR_API(void) _MD_os2_map_writev_error(int err);
#define _PR_MD_MAP_WRITEV_ERROR _MD_os2_map_writev_error
NSPR_API(void) _MD_os2_map_accept_error(PRInt32 err);
#define _PR_MD_MAP_ACCEPT_ERROR _MD_os2_map_accept_error

17
nsprpub/pr/src/io/prsocket.c
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@ -338,22 +338,11 @@ static PRStatus PR_CALLBACK SocketConnectContinue(
#elif defined(XP_OS2)
if (out_flags & PR_POLL_EXCEPT) {
int len = sizeof(err);
if (getsockopt(osfd, SOL_SOCKET, SO_ERROR, (char *) &err, &len)
< 0) {
_PR_MD_MAP_GETSOCKOPT_ERROR(sock_errno());
return PR_FAILURE;
}
if (err != 0) {
_PR_MD_MAP_CONNECT_ERROR(err);
} else {
PR_SetError(PR_UNKNOWN_ERROR, 0);
}
err = _MD_os2_get_nonblocking_connect_error(osfd);
if (err != 0) {
_PR_MD_MAP_CONNECT_ERROR(err);
return PR_FAILURE;
}
PR_ASSERT(out_flags & PR_POLL_WRITE);
return PR_SUCCESS;
#elif defined(XP_MAC)

125
nsprpub/pr/src/md/os2/os2_errors.c
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@ -35,6 +35,44 @@
#include "prerror.h"
#include "primpl.h"
void _MD_os2_map_default_error(PRInt32 err)
{
switch (err) {
case EWOULDBLOCK:
PR_SetError(PR_WOULD_BLOCK_ERROR, err);
break;
case EBADF:
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, err);
break;
case ENOTSOCK:
PR_SetError(PR_NOT_SOCKET_ERROR, err);
break;
case EMSGSIZE:
case EINVAL:
PR_SetError(PR_INVALID_ARGUMENT_ERROR, err);
break;
case ENOBUFS:
PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR, err);
break;
case ECONNREFUSED:
PR_SetError(PR_CONNECT_REFUSED_ERROR, err);
break;
case EISCONN:
PR_SetError(PR_IS_CONNECTED_ERROR, err);
break;
#ifdef SOCEFAULT
case SOCEFAULT:
PR_SetError(PR_ACCESS_FAULT_ERROR, err);
break;
#endif
case ERROR_NETNAME_DELETED:
PR_SetError(PR_CONNECT_RESET_ERROR, err);
break;
default:
PR_SetError(PR_UNKNOWN_ERROR, err);
break;
}
}
void _MD_os2_map_opendir_error(PRInt32 err)
{
switch (err) {
@ -92,7 +130,7 @@ void _MD_os2_map_closedir_error(PRInt32 err)
}
}
void _MD_unix_readdir_error(PRInt32 err)
void _MD_os2_readdir_error(PRInt32 err)
{
switch (err) {
@ -671,73 +709,17 @@ void _MD_os2_map_send_error(PRInt32 err)
void _MD_os2_map_sendto_error(PRInt32 err)
{
switch (err) {
case EWOULDBLOCK:
PR_SetError(PR_WOULD_BLOCK_ERROR, err);
break;
case EBADF:
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, err);
break;
case ENOTSOCK:
PR_SetError(PR_NOT_SOCKET_ERROR, err);
break;
case EMSGSIZE:
case EINVAL:
PR_SetError(PR_INVALID_ARGUMENT_ERROR, err);
break;
case ENOBUFS:
PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR, err);
break;
case ECONNREFUSED:
PR_SetError(PR_CONNECT_REFUSED_ERROR, err);
break;
case EISCONN:
PR_SetError(PR_IS_CONNECTED_ERROR, err);
break;
#ifdef SOCEFAULT
case SOCEFAULT:
PR_SetError(PR_ACCESS_FAULT_ERROR, err);
break;
#endif
case ERROR_NETNAME_DELETED:
PR_SetError(PR_CONNECT_RESET_ERROR, err);
break;
default:
PR_SetError(PR_UNKNOWN_ERROR, err);
break;
}
_MD_os2_map_default_error(err);
}
void _MD_os2_map_writev_error(int err)
{
_MD_os2_map_default_error(err);
}
void _MD_os2_map_accept_error(PRInt32 err)
{
switch (err) {
case EWOULDBLOCK:
PR_SetError(PR_WOULD_BLOCK_ERROR, err);
break;
case EBADF:
PR_SetError(PR_BAD_DESCRIPTOR_ERROR, err);
break;
case ENOTSOCK:
PR_SetError(PR_NOT_SOCKET_ERROR, err);
break;
case EOPNOTSUPP:
PR_SetError(PR_NOT_TCP_SOCKET_ERROR, err);
break;
#ifdef SOCEFAULT
case SOCEFAULT:
PR_SetError(PR_ACCESS_FAULT_ERROR, err);
break;
#endif
case EMFILE:
PR_SetError(PR_PROC_DESC_TABLE_FULL_ERROR, err);
break;
case ENOBUFS:
PR_SetError(PR_OUT_OF_MEMORY_ERROR, err);
break;
default:
PR_SetError(PR_UNKNOWN_ERROR, err);
break;
}
_MD_os2_map_default_error(err);
}
void _MD_os2_map_acceptex_error(PRInt32 err)
@ -759,6 +741,21 @@ void _MD_os2_map_acceptex_error(PRInt32 err)
}
}
/*
* An error code of 0 means that the nonblocking connect succeeded.
*/
int _MD_os2_get_nonblocking_connect_error(int osfd)
{
int err;
int len = sizeof(err);
if (getsockopt(osfd, SOL_SOCKET, SO_ERROR, (char *) &err, &len) == -1) {
return sock_errno();
} else {
return err;
}
}
void _MD_os2_map_connect_error(PRInt32 err)
{
switch (err) {

272
nsprpub/pr/src/md/os2/os2poll.c
Просмотреть файл

@ -37,54 +37,64 @@
*/
#ifdef XP_OS2_EMX
#include <sys/time.h> /* For timeval. */
#include <sys/time.h> /* For timeval. */
#endif
#include "primpl.h"
PRInt32 _PR_MD_PR_POLL(
PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout)
#ifndef BSD_SELECT
/* Utility functions called when using OS/2 select */
PRBool IsSocketSet( PRInt32 osfd, int* socks, int start, int count )
{
PRInt32 osfd;
int maxfd = -1;
int i;
PRBool isSet = PR_FALSE;
for( i = start; i < start+count; i++ )
{
if( socks[i] == osfd )
isSet = PR_TRUE;
}
return isSet;
}
#endif
PRInt32 _PR_MD_PR_POLL(PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout)
{
#ifdef BSD_SELECT
fd_set rd, wt, ex;
#else
int rd, wt, ex;
int* socks;
unsigned long msecs;
int i, j;
#endif
PRFileDesc *bottom;
PRPollDesc *pd, *epd;
PRInt32 ready, err;
PRThread *me = _PR_MD_CURRENT_THREAD();
PRInt32 maxfd = -1, ready, err;
PRIntervalTime remaining, elapsed, start;
#ifdef BSD_SELECT
struct timeval tv, *tvp = NULL;
/*
* For restarting _MD_SELECT() if it is interrupted by a signal.
* We use these variables to figure out how much time has elapsed
* and how much of the timeout still remains.
*/
PRIntervalTime start, elapsed, remaining;
if (_PR_PENDING_INTERRUPT(me))
FD_ZERO(&rd);
FD_ZERO(&wt);
FD_ZERO(&ex);
#else
rd = 0;
wt = 0;
ex = 0;
socks = (int) PR_MALLOC( npds * 3 * sizeof(int) );
if (!socks)
{
me->flags &= ~_PR_INTERRUPT;
PR_SetError(PR_PENDING_INTERRUPT_ERROR, 0);
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
return -1;
}
#endif
/*
** Is it an empty set? If so, just sleep for the timeout and return
*/
if (0 == npds)
{
PR_Sleep(timeout);
return 0;
}
remaining = timeout;
start = PR_IntervalNow();
FD_ZERO(&rd);
FD_ZERO(&wt);
FD_ZERO(&ex);
ready = 0;
ready = 0;
for (pd = pds, epd = pd + npds; pd < epd; pd++)
{
PRInt16 in_flags_read = 0, in_flags_write = 0;
@ -95,19 +105,17 @@ PRInt32 _PR_MD_PR_POLL(
if (pd->in_flags & PR_POLL_READ)
{
in_flags_read = (pd->fd->methods->poll)(
pd->fd, (PRInt16)(pd->in_flags & ~PR_POLL_WRITE),
&out_flags_read);
pd->fd, pd->in_flags & ~PR_POLL_WRITE, &out_flags_read);
}
if (pd->in_flags & PR_POLL_WRITE)
{
in_flags_write = (pd->fd->methods->poll)(
pd->fd, (PRInt16)(pd->in_flags & ~PR_POLL_READ),
&out_flags_write);
pd->fd, pd->in_flags & ~PR_POLL_READ, &out_flags_write);
}
if ((0 != (in_flags_read & out_flags_read))
|| (0 != (in_flags_write & out_flags_write)))
if ((0 != (in_flags_read & out_flags_read)) ||
(0 != (in_flags_write & out_flags_write)))
{
/* this one's ready right now (buffered input) */
/* this one's ready right now */
if (0 == ready)
{
/*
@ -128,37 +136,67 @@ PRInt32 _PR_MD_PR_POLL(
else
{
pd->out_flags = 0; /* pre-condition */
/* make sure this is an NSPR supported stack */
bottom = PR_GetIdentitiesLayer(pd->fd, PR_NSPR_IO_LAYER);
PR_ASSERT(NULL != bottom); /* what to do about that? */
if ((NULL != bottom)
&& (_PR_FILEDESC_OPEN == bottom->secret->state))
if ((NULL != bottom) &&
(_PR_FILEDESC_OPEN == bottom->secret->state))
{
if (0 == ready)
{
osfd = bottom->secret->md.osfd;
if (osfd > maxfd) maxfd = osfd;
PRInt32 osfd = bottom->secret->md.osfd;
if (osfd > maxfd)
maxfd = osfd;
if (in_flags_read & PR_POLL_READ)
{
pd->out_flags |= _PR_POLL_READ_SYS_READ;
#ifdef BSD_SELECT
FD_SET(osfd, &rd);
#else
socks[rd] = osfd;
rd++;
#endif
}
if (in_flags_read & PR_POLL_WRITE)
{
pd->out_flags |= _PR_POLL_READ_SYS_WRITE;
#ifdef BSD_SELECT
FD_SET(osfd, &wt);
#else
socks[npds+wt] = osfd;
wt++;
#endif
}
if (in_flags_write & PR_POLL_READ)
{
pd->out_flags |= _PR_POLL_WRITE_SYS_READ;
#ifdef BSD_SELECT
FD_SET(osfd, &rd);
#else
socks[rd] = osfd;
rd++;
#endif
}
if (in_flags_write & PR_POLL_WRITE)
{
pd->out_flags |= _PR_POLL_WRITE_SYS_WRITE;
#ifdef BSD_SELECT
FD_SET(osfd, &wt);
#else
socks[npds+wt] = osfd;
wt++;
#endif
}
if (pd->in_flags & PR_POLL_EXCEPT)
{
#ifdef BSD_SELECT
FD_SET(osfd, &ex);
#else
socks[npds*2+ex] = osfd;
ex++;
#endif
}
if (pd->in_flags & PR_POLL_EXCEPT) FD_SET(osfd, &ex);
}
}
else
@ -178,9 +216,19 @@ PRInt32 _PR_MD_PR_POLL(
}
}
if (0 != ready) return ready; /* no need to block */
if (0 != ready)
{
#ifndef BSD_SELECT
free(socks);
#endif
return ready; /* no need to block */
}
remaining = timeout;
start = PR_IntervalNow();
retry:
#ifdef BSD_SELECT
if (timeout != PR_INTERVAL_NO_TIMEOUT)
{
PRInt32 ticksPerSecond = PR_TicksPerSecond();
@ -191,21 +239,50 @@ retry:
}
ready = _MD_SELECT(maxfd + 1, &rd, &wt, &ex, tvp);
if (ready == -1 && errno == EINTR)
#else
switch (timeout)
{
if (timeout == PR_INTERVAL_NO_TIMEOUT) goto retry;
else
{
elapsed = (PRIntervalTime) (PR_IntervalNow() - start);
if (elapsed > timeout) ready = 0; /* timed out */
else
{
remaining = timeout - elapsed;
goto retry;
}
}
case PR_INTERVAL_NO_WAIT:
msecs = 0;
break;
case PR_INTERVAL_NO_TIMEOUT:
msecs = -1;
break;
default:
msecs = PR_IntervalToMilliseconds(remaining);
}
/* compact array */
for( i = rd, j = npds; j < npds+wt; i++,j++ )
socks[i] = socks[j];
for( i = rd+wt, j = npds*2; j < npds*2+ex; i++,j++ )
socks[i] = socks[j];
ready = _MD_SELECT(socks, rd, wt, ex, msecs);
#endif
if (ready == -1 && errno == SOCEINTR)
{
if (timeout == PR_INTERVAL_NO_TIMEOUT)
goto retry;
else
{
elapsed = (PRIntervalTime) (PR_IntervalNow() - start);
if (elapsed > timeout)
ready = 0; /* timed out */
else
{
remaining = timeout - elapsed;
goto retry;
}
}
}
/*
** Now to unravel the select sets back into the client's poll
** descriptor list. Is this possibly an area for pissing away
** a few cycles or what?
*/
if (ready > 0)
{
ready = 0;
@ -214,26 +291,44 @@ retry:
PRInt16 out_flags = 0;
if ((NULL != pd->fd) && (0 != pd->in_flags))
{
PRInt32 osfd;
bottom = PR_GetIdentitiesLayer(pd->fd, PR_NSPR_IO_LAYER);
PR_ASSERT(NULL != bottom);
osfd = bottom->secret->md.osfd;
#ifdef BSD_SELECT
if (FD_ISSET(osfd, &rd))
#else
if( IsSocketSet(osfd, socks, 0, rd) )
#endif
{
if (pd->out_flags & _PR_POLL_READ_SYS_READ)
out_flags |= PR_POLL_READ;
if (pd->out_flags & _PR_POLL_WRITE_SYS_READ)
out_flags |= PR_POLL_WRITE;
}
}
#ifdef BSD_SELECT
if (FD_ISSET(osfd, &wt))
#else
if( IsSocketSet(osfd, socks, rd, wt) )
#endif
{
if (pd->out_flags & _PR_POLL_READ_SYS_WRITE)
out_flags |= PR_POLL_READ;
if (pd->out_flags & _PR_POLL_WRITE_SYS_WRITE)
out_flags |= PR_POLL_WRITE;
}
#ifdef BSD_SELECT
if (FD_ISSET(osfd, &ex))
#else
if( IsSocketSet(osfd, socks, rd+wt, ex) )
#endif
{
out_flags |= PR_POLL_EXCEPT;
}
if (FD_ISSET(osfd, &ex)) out_flags |= PR_POLL_EXCEPT;
}
pd->out_flags = out_flags;
if (out_flags) ready++;
@ -242,39 +337,42 @@ retry:
}
else if (ready < 0)
{
err = _MD_ERRNO();
if (err == EBADF)
err = _MD_ERRNO();
if (err == EBADF)
{
/* Find the bad fds */
ready = 0;
for (pd = pds, epd = pd + npds; pd < epd; pd++)
/* Find the bad fds */
int optval;
int optlen = sizeof(optval);
ready = 0;
for (pd = pds, epd = pd + npds; pd < epd; pd++)
{
int optval;
int optlen = sizeof(optval);
pd->out_flags = 0;
if ((NULL == pd->fd) || (pd->in_flags == 0)) continue;
bottom = PR_GetIdentitiesLayer(pd->fd, PR_NSPR_IO_LAYER);
if (getsockopt(bottom->secret->md.osfd, SOL_SOCKET,
SO_TYPE, (char *) &optval, &optlen) == -1)
pd->out_flags = 0;
if ((NULL != pd->fd) && (0 != pd->in_flags))
{
PR_ASSERT(_MD_ERRNO() == ENOTSOCK);
if (_MD_ERRNO() == ENOTSOCK)
bottom = PR_GetIdentitiesLayer(pd->fd, PR_NSPR_IO_LAYER);
if (getsockopt(bottom->secret->md.osfd, SOL_SOCKET,
SO_TYPE, (char *) &optval, &optlen) == -1)
{
pd->out_flags = PR_POLL_NVAL;
ready++;
PR_ASSERT(sock_errno() == SOCENOTSOCK);
if (sock_errno() == SOCENOTSOCK)
{
pd->out_flags = PR_POLL_NVAL;
ready++;
}
}
}
}
PR_ASSERT(ready > 0);
}
else
{
PR_ASSERT(err != EINTR); /* should have been handled above */
_PR_MD_MAP_SELECT_ERROR(err);
}
PR_ASSERT(ready > 0);
}
}
return ready;
}
else
_PR_MD_MAP_SELECT_ERROR(err);
}
#ifndef BSD_SELECT
free(socks);
#endif
return ready;
}
#ifdef XP_OS2_EMX
HMTX thread_select_mutex = 0; /* because EMX's select is not thread safe - duh! */

1017
nsprpub/pr/src/md/os2/os2sock.c
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