11 Socket Error - Operation Would Block
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Resource Temporarily Unavailable Socket Read
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Errno 11 Resource Temporarily Unavailable Python
programmers, just like you, helping each other. Join them; it only takes a minute: Sign up C Sockets - Errno: 11, Resource Temporarily Unavailable up vote 7 down vote favorite 3 I am using c sockets to implement a reliable UDP protocol. I am using the following code to set a timeout on a socket resource temporarily unavailable errno 11 in which I'm waiting for an acknowledgement. I am not sure why I am getting errno 11, resource temporarily unavailable. //set timer for recv_socket struct timeval tv; tv.tv_usec = TIMEOUT_MS; if(setsockopt(rcv_sock, SOL_SOCKET, SO_RCVTIMEO,&tv,sizeof(tv)) < 0){ printf("Error setting the socket timeout.\n"); } int recv_msg_len; if(recv_msg_len = recvfrom(rcv_sock, ackBuffer,sizeof(ackBuffer), 0, (struct sockaddr *) &servAddr2, &fromSize) < 0){ //timeout reached printf("Error Reporting: %d : %s\n", errno, strerror(errno)); num_timeouts++; } I have also tried the select method that was mentioned in the comments. I have the following code inside a loop, but the recvfrom never times out. fd_set set; FD_ZERO(&set); /* empties the set */ FD_CLR(rcv_sock,&set); /* removes FD from the set */ FD_SET(rcv_sock,&set); /* adds FD to the set */ if(select(rcv_sock + 1, &set, NULL, NULL, &tv) < 0){ printf("\nError Reporting: %d : %s\n\n", errno, strerror(errno)); return -1; } if(!FD_ISSET(rcv_sock,&set)){ /* true if FD is in the set */ printf("socket is not set properly.\n"); } c sockets udp share|improve this question edited Nov 25 '12 at 21:58
Aug 2004 on RedHat 7.3 #define EPERM 1 /* Operation not permitted */ #define ENOENT 2 /* No such file or directory */ #define ESRCH 3 /* No such process */ #define EINTR 4 /* Interrupted system call */ #define EIO 5 /* I/O error */ #define ENXIO 6 /* No
Resource Temporarily Unavailable Read
such device or address */ #define E2BIG 7 /* Arg list too long */ #define ENOEXEC 8 /*
Resource Temporarily Unavailable Recvfrom
Exec format error */ #define EBADF 9 /* Bad file number */ #define ECHILD 10 /* No child processes */ #define EAGAIN 11 /* Try again */ python socket resource temporarily unavailable #define ENOMEM 12 /* Out of memory */ #define EACCES 13 /* Permission denied */ #define EFAULT 14 /* Bad address */ #define ENOTBLK 15 /* Block device required */ #define EBUSY 16 /* Device or resource busy */ #define EEXIST 17 /* File exists http://stackoverflow.com/questions/13554691/c-sockets-errno-11-resource-temporarily-unavailable */ #define EXDEV 18 /* Cross-device link */ #define ENODEV 19 /* No such device */ #define ENOTDIR 20 /* Not a directory */ #define EISDIR 21 /* Is a directory */ #define EINVAL 22 /* Invalid argument */ #define ENFILE 23 /* File table overflow */ #define EMFILE 24 /* Too many open files */ #define ENOTTY 25 /* Not a typewriter */ #define ETXTBSY 26 /* Text file busy */ #define EFBIG 27 /* File too large */ #define ENOSPC 28 /* No space left on device http://www-numi.fnal.gov/offline_software/srt_public_context/WebDocs/Errors/unix_system_errors.html */ #define ESPIPE 29 /* Illegal seek */ #define EROFS 30 /* Read-only file system */ #define EMLINK 31 /* Too many links */ #define EPIPE 32 /* Broken pipe */ #define EDOM 33 /* Math argument out of domain of func */ #define ERANGE 34 /* Math result not representable */ #define EDEADLK 35 /* Resource deadlock would occur */ #define ENAMETOOLONG 36 /* File name too long */ #define ENOLCK 37 /* No record locks available */ #define ENOSYS 38 /* Function not implemented */ #define ENOTEMPTY 39 /* Directory not empty */ #define ELOOP 40 /* Too many symbolic links encountered */ #define EWOULDBLOCK EAGAIN /* Operation would block */ #define ENOMSG 42 /* No message of desired type */ #define EIDRM 43 /* Identifier removed */ #define ECHRNG 44 /* Channel number out of range */ #define EL2NSYNC 45 /* Level 2 not synchronized */ #define EL3HLT 46 /* Level 3 halted */ #define EL3RST 47 /* Level 3 reset */ #define ELNRNG 48 /* Link number out of range */ #define EUNATCH 49 /* Protocol driver not attached */ #define ENOCSI 50 /* No CSI structure available */ #define EL2HLT 51 /* Level 2 halted */ #define EBADE 52 /* Invalid exchange */ #define EBADR 53 /* Invalid request descriptor */ #define EXFULL 54 /* Exchange full */ #define ENOANO 55 /* No anode */ #define EBADRQC 56 /* Invalid request code */ #define EBADSLT 57 /* Invalid slot */ #define EDEADLOCK EDEADLK #define EBFONT 59 /* Bad font file format */ #define ENOSTR 60 /* Device not a stream */ #
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Support Search GitHub This repository Watch 252 Star 2,974 Fork 635 gevent/gevent Code Issues 38 Pull requests 3 Projects 0 Wiki Pulse Graphs New issue LoopExit: This operation would block forever #585 Open pikeszfish opened this Issue Jun 23, 2015 · 9 comments Projects None yet Labels question Milestone No milestone Assignees No one assigned 6 participants pikeszfish commented Jun 23, 2015 I use psycopg2_pool.py from https://github.com/gevent/gevent/blob/master/examples/psycopg2_pool.py in my django project. https://gist.github.com/pikeszfish/83c24e34c3ccaec4c4a8 I use a connection pool imported from psycopg2_pool.py and execute some sql. However sometimes I got this error: Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 115, in get_response response = callback(request, *callback_args, **callback_kwargs) File "path/to/project/web/helper.py", line 151, in _decorator return func(request, *args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/views/decorators/csrf.py", line 77, in wrapped_view return view_func(*args, **kwargs) File "path/to/project/web/api.py", line 611, in download_trackpoints former_result = get_trackpoints(workout.id) File "path/to/project/web/helper.py", line 1616, in get_trackpoints result = pool.fetchone(final_sql) File "path/to/project/web/singleton.py", line 138, in fetchone with self.cursor(**kwargs) as cursor: File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "path/to/project/web/singleton.py", line 121, in cursor with self.connection(isolation_level) as conn: File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "path/to/project/web/singleton.py", line 93, in connection conn = self.get_one() File "path/to/project/web/singleton.py", line 70, in get_one return pool.get() File "/usr/local/lib/python2.7/dist-packages/gevent/queue.py", line 200, in get result = waiter.get() File "/usr/local/lib/python2.7/dist-packages/gevent/hub.py", line 575, in get return self.hub.switch() File "/usr/local/lib/python2.7/dist-packages/gevent/hub.py", line 338, in switch return greenlet.switch(self) LoopExit: This operation would block forever jamadden added the question label Jul 1, 2015 gevent member jamadden commented Jul 17, 2015 A LoopExit is raised when