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Unable To Dup2 The Error Log

I tried changing the child dup2 statement to copy from the pipe to stdin { // this is the child process dup2(fd_pipe[0], 0); But then top fails to start with a What is way to eat rice with hands in front of westerners such that it doesn't appear to be yucky? share|improve this answer edited Jul 31 '12 at 14:14 answered Jul 27 '12 at 14:49 jxh 46.8k64398 Thank you user315052 and @mux - oops I mean to say i Compile a linux c system, including morphology and syntax analysis module for Linux on bison and flex. navigate here

req->host : "(null)")); } printf("%s - - %s\"%s\" %d %ld \"%s\" \"%s\"\n", req->remote_ip_addr, get_commonlog_time(), req->logline ? I mean the fork Call you do before you actually do anything, why are you doing that? –Some programmer dude Oct 12 '14 at 17:38 @JoachimPileborg I am executing What causes Unable To Dup2 The Error Log Bad File Descriptor error? Elf *. https://github.com/timmattison/boa/blob/master/src/log.c

Ultimate solution Can think about when using arm-linux-gcc compiler boa, basic normal compiled successfully, Use arm-ELF-gcc compiler boa error occurs, it is the most likely problem areas, must be Cross-compiler tool, You can execute top in a batch mode, but you can't use a command to quit. To illustrate, here is a simple program that redirects stdout and stderr to a log file, calls a function, and then restores stdout and stderr afterward. Reload to refresh your session.

dup2(pip[0][0],STDIN_FILENO); close(pip[0][1]); Here you first close the file descriptors, then later in the program you try to use them again. Gdb *. req->logline : "(null)"), (req->pathname ? Why do (some) aircraft shake at low speeds with flaps, slats extended?

I know this is frowned upon, but really it is proving >> convenient. Exiting.\n"); /* something went wrong */ exit(1); } if (pid==0) { // this is the child process dup2(0, fd_pipe[0]); close(fd_pipe[1]); if(execl("/usr/bin/top","top",NULL) == -1){ fprintf(stderr,"execl Error!"); exit(1); } //try and send command What was the first operating system to feature a separate kernel? find this more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Skip to content Ignore Learn more Please note that GitHub no longer supports old versions of Firefox. req->pathname : "(null)")); } else { fprintf(stderr, "%s - - %srequest \"%s\" (\"%s\"): ", req->remote_ip_addr, get_commonlog_time(), (req->logline ? Why? Do I have to delete lambdas?

What is way to eat rice with hands in front of westerners such that it doesn't appear to be yucky? https://cygwin.com/ml/cygwin/2008-07/msg00575.html The Finslerian version of the Nash embedding theorem How do we play with irregular attendance? The q command still doesn't appear to be registering though. Click here follow the steps to fix Unable To Dup2 The Error Log Bad File Descriptor and related errors.

Lengthwise or widthwise. http://centralpedia.com/unable-to/unable-to-unzip-error-1.html Why is this Sudoku Skyscraper Failing? So I am trying to link in -l/usr/lib/libutils but its reporting: /usr/bin/ld: cannot find -l/usr/lib/libutils –Karl Jul 30 '12 at 15:01 @Karl: Add -lutil to link int libutils –jxh How can I fix this?

  1. It can also be caused if your computer is recovered from a virus or adware/spyware attack or by an improper shutdown of the computer.
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  5. This is otherwise, *a lot*, >> working fine. >> >> (In particular, I used to symlink Cygwin /obj to Windows \obj and that mostly >> works, but symlinks seem to cause
  6. I'm not using tee any longer, but still running all of this within Python (os.system).

I don't usually check config.log, but it always the same configure test. void do_child () { if (execlp("top", "top", "-b", (const char *)0) < 0) { perror("exec top"); exit(EXIT_FAILURE); } /* NOT REACHED */ } void do_parent (pid_t p) { sleep(5); if (kill(p, The Source Insight tool to find TIMEZONE_OFFSET find compat.h # Ifdef HAVE_TM_GMTOFF # Define TIMEZONE_OFFSET (foo) foo # # -> tm_gmtoff # Else The # define TIMEZONE_OFFSET (foo) timezone # Endif http://centralpedia.com/unable-to/unable-to-elevate-error-2.html Boa process of using the error (I'm just guessing, but the compiler does not use tm_gmtoff error is likely to occur) 5.

req->header_host : "(null)"), (req->logline ? Subscribed! void do_something () { fputs("Error message\n", stderr); puts("This is regular output."); fputs("Error message\n", stderr); puts("This is regular output."); } int main () { int fd = creat("/tmp/output.log", 0664); int outfd =

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It seems to work. >> */ >> close (pipes[1]); >> if (dup2 (pipes[0], fileno (stdin)) == -1) >> flexfatal (_("dup2(pipes[0],0)")); >> close (pipes[0]); >> fseek (stdin, 0, SEEK_CUR); >> >> /* This tool will scan and diagnose, then repairs, your PC with patent pending technology that fix your windows operating system registry structure. very reasonable restrictions) >> >> >> I'll try to narrow it down and investigate more later myself. >> Like, currently I'm running the toplevel gcc configure. >> I'll have to try I do notice comments about thread unsafety in Cygwin's fork/exec code.

req->host : "(null)")); } if (vhost_root) { fprintf(stderr, "%s - - %srequest [%s] \"%s\" (\"%s\"): ", req->remote_ip_addr, get_commonlog_time(), (req->header_host ? I've seen this quite a few times now, like 10. Peeling one layer, either cd'ing in cmd or bash to gcc toplevel and doing "make configure-gmp" or two layers, cd'ing to gcc/gmp and "whatever/configure whatever", has a much much higher success http://centralpedia.com/unable-to/unable-to-send-im-error-603.html Mark as duplicate Convert to a question Link a related branch Link to CVE Duplicates of this bug Bug #1275306 You are not directly subscribed to this bug's notifications.

anecdotes... Personal tools Namespaces Article Search Main Page Applications AOL Internet Explorer MS Outlook Outlook Express Windows Live DLL Errors Exe Errors Ocx Errors Operating Systems Windows 7 Windows Others Windows I had to apply the patch manually, the patch file didn't like me. :D Distant Thunder (temptempor) wrote on 2012-11-09: #3 Ubuntu 12.10 is also affected. pipe fork execvp dup2 There are something else to improve int pip[3][2]; // in your case with `int pip[2]` would be enough pipe(pip[0]); pipe(pip[1]); // in your case you have to

hope to be useful (2) modify the src / log.c Comment out if (dup2 (error_log, STDERR_FILENO) == -1) { DIE ("unable to dup2 the error log"); } As follows: Otherwise, an Time to try with -disable-bootstrap, and if it still failed, reboot, and... > > > > >> From: [email protected] >> To: [email protected] >> Subject: flex: exec failed? >> Date: Wed, 16 An incomplete installation, an incomplete uninstall, improper deletion of applications or hardware. Edit bug mail Other bug subscribers Subscribe someone else Patches compilation_sid.patch (edit) Add patch • Take the tour • Read the guide © 2004-2016 CanonicalLtd. • Terms of use •

it will quit when I close the fd but i think that is due to the pty being closed rather than the command. The corrupted system files entries can be a real threat to the well being of your computer. Affecting: QtSixA Filed here by: Nanakos Chrysostomos When: 2012-08-14 Target Distribution Baltix BOSS Juju Charms Collection Elbuntu Guadalinex Guadalinex Edu Kiwi Linux nUbuntu PLD Linux Tilix tuXlab Ubuntu Ubuntu Linaro Evaluation req->header_referer : "-"), (req->header_user_agent ?

Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Why is C# Dim a Chord in B Minor? Your code would be something like this in that part: pid_t pid; pid=fork(); char *host = "armadillo"; printf("%s%% ", host); p = parse(); c=p->head; printf("1 \n"); // pid=fork(); // it'll be Former boss asking me to do presentations Die Liebe höret nimmer auf Is giving my girlfriend money for her mortgage closing costs and down payment considered fraud?

I conirmed this by sending a different command and it stll quits at the close(fd).I tried you example above and i'm not sure it works properly as top doesn't start up