11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include <errno.h>
27 #include <sys/socket.h>
28 #include <stropts.h>
29 #include <unistd.h>
30
31 /* Support for restartable system calls on Solaris. */
32
33 #define RESTARTABLE_RETURN_INT(_cmd) do { \
34 int _result; \
35 if (1) { \
36 do { \
37 _result = _cmd; \
38 } while((_result == -1) && (errno == EINTR)); \
39 return _result; \
40 } \
41 } while(0)
42
43 int NET_Read(int s, void* buf, size_t len) {
44 RESTARTABLE_RETURN_INT(recv(s, buf, len, 0));
45 }
46
47 int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,
48 struct sockaddr *from, socklen_t *fromlen) {
49 RESTARTABLE_RETURN_INT(recvfrom(s, buf, len, flags, from, fromlen));
50 }
74 RESTARTABLE_RETURN_INT(accept(s, addr, addrlen));
75 }
76
77 int NET_SocketClose(int fd) {
78 return close(fd);
79 }
80
81 int NET_Dup2(int fd, int fd2) {
82 return dup2(fd, fd2);
83 }
84
85 int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout) {
86 RESTARTABLE_RETURN_INT(poll(ufds, nfds, timeout));
87 }
88
89 int NET_Select(int s, fd_set *readfds, fd_set *writefds,
90 fd_set *exceptfds, struct timeval *timeout) {
91 RESTARTABLE_RETURN_INT(select(s, readfds, writefds, exceptfds, timeout));
92 }
93
94 int NET_Timeout(int s, long timeout) {
95 int result;
96 struct timeval t;
97 long prevtime, newtime;
98 struct pollfd pfd;
99 pfd.fd = s;
100 pfd.events = POLLIN;
101
102 if (timeout > 0) {
103 gettimeofday(&t, NULL);
104 prevtime = (t.tv_sec * 1000) + t.tv_usec / 1000;
105 }
106
107 for(;;) {
108 result = poll(&pfd, 1, timeout);
109 if (result < 0 && errno == EINTR) {
110 if (timeout > 0) {
111 gettimeofday(&t, NULL);
112 newtime = (t.tv_sec * 1000) + t.tv_usec /1000;
113 timeout -= newtime - prevtime;
114 if (timeout <= 0)
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #include <errno.h>
27 #include <sys/socket.h>
28 #include <stropts.h>
29 #include <unistd.h>
30
31 #include "jni.h"
32
33 /* Support for restartable system calls on Solaris. */
34
35 #define RESTARTABLE_RETURN_INT(_cmd) do { \
36 int _result; \
37 if (1) { \
38 do { \
39 _result = _cmd; \
40 } while((_result == -1) && (errno == EINTR)); \
41 return _result; \
42 } \
43 } while(0)
44
45 int NET_Read(int s, void* buf, size_t len) {
46 RESTARTABLE_RETURN_INT(recv(s, buf, len, 0));
47 }
48
49 int NET_RecvFrom(int s, void *buf, int len, unsigned int flags,
50 struct sockaddr *from, socklen_t *fromlen) {
51 RESTARTABLE_RETURN_INT(recvfrom(s, buf, len, flags, from, fromlen));
52 }
76 RESTARTABLE_RETURN_INT(accept(s, addr, addrlen));
77 }
78
79 int NET_SocketClose(int fd) {
80 return close(fd);
81 }
82
83 int NET_Dup2(int fd, int fd2) {
84 return dup2(fd, fd2);
85 }
86
87 int NET_Poll(struct pollfd *ufds, unsigned int nfds, int timeout) {
88 RESTARTABLE_RETURN_INT(poll(ufds, nfds, timeout));
89 }
90
91 int NET_Select(int s, fd_set *readfds, fd_set *writefds,
92 fd_set *exceptfds, struct timeval *timeout) {
93 RESTARTABLE_RETURN_INT(select(s, readfds, writefds, exceptfds, timeout));
94 }
95
96 int NET_Timeout(JNIEnv *unused, int s, long timeout) {
97 int result;
98 struct timeval t;
99 long prevtime, newtime;
100 struct pollfd pfd;
101 pfd.fd = s;
102 pfd.events = POLLIN;
103
104 if (timeout > 0) {
105 gettimeofday(&t, NULL);
106 prevtime = (t.tv_sec * 1000) + t.tv_usec / 1000;
107 }
108
109 for(;;) {
110 result = poll(&pfd, 1, timeout);
111 if (result < 0 && errno == EINTR) {
112 if (timeout > 0) {
113 gettimeofday(&t, NULL);
114 newtime = (t.tv_sec * 1000) + t.tv_usec /1000;
115 timeout -= newtime - prevtime;
116 if (timeout <= 0)
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