Re: Integration of the Nix daemon

[Andreas Enge]

Am Sonntag, 16. Dezember 2012 schrieb Ludovic Courtès:

> No, could you run guix-daemon in strace?

 

Sorry, I did not read the message carefully enough. None of the

commands do appear.

 

Before executing "./pre-inst-env guix-build hello", the last lines of

output are

set_tid_address(0x7fa0b97469f0) = 7696

set_robust_list(0x7fa0b9746a00, 0x18) = 0

futex(0x7fffc31e130c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 7fa0b9746720) = -1 EAGAIN (Resource temporarily unavailable)

rt_sigaction(SIGRTMIN, {0x7fa0b80d7ad0, [], SA_RESTORER|SA_SIGINFO, 0x7fa0b80e1030}, NULL, 8) = 0

rt_sigaction(SIGRT_1, {0x7fa0b80d7b60, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fa0b80e1030}, NULL, 8) = 0

rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0

getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0

brk(0) = 0x14bb000

brk(0x14dc000) = 0x14dc000

futex(0x7fa0b8e149e4, FUTEX_WAKE_PRIVATE, 2147483647) = 0

futex(0x7fa0b8e149f0, FUTEX_WAKE_PRIVATE, 2147483647) = 0

chdir("/") = 0

rt_sigaction(SIGCHLD, {0x406d70, ~[RTMIN RT_1], SA_RESTORER, 0x7fa0b83204f0}, {SIG_DFL, [], 0}, 8) = 0

socket(PF_FILE, SOCK_STREAM, 0) = 3

lstat("/usr/local/guix-git/var/nix/daemon-socket", {st_mode=S_IFDIR|S_ISGID|0755, st_size=4096, ...}) = 0

chdir("/usr/local/guix-git/var/nix/daemon-socket") = 0

unlink("/usr/local/guix-git/var/nix/daemon-socket/socket") = 0

umask(0111) = 022

bind(3, {sa_family=AF_FILE, path="./socket"}, 110) = 0

umask(022) = 0111

chdir("/") = 0

listen(3, 5) = 0

fcntl(3, F_GETFD) = 0

fcntl(3, F_SETFD, FD_CLOEXEC) = 0

accept(3,

 

When starting the execution, only the following lines are printed:

{sa_family=AF_FILE, NULL}, [2]) = 4

fcntl(4, F_GETFD) = 0

fcntl(4, F_SETFD, FD_CLOEXEC) = 0

getsockopt(4, SOL_SOCKET, SO_PEERCRED, "\24\36\0\0\350\3\0\0\350\3\0\0", [12]) = 0

write(2, "accepted connection from pid 770"..., 44accepted connection from pid 7700, uid 1000

) = 44

clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fa0b97469f0) = 7701

close(4) = 0

accept(3, spurious SIGPOLL

spurious SIGPOLL

spurious SIGPOLL

spurious SIGPOLL

spurious SIGPOLL

2187 operations

0x7fffc31dff10, [110]) = ? ERESTARTSYS (To be restarted)

--- SIGCHLD (Child exited) @ 0 (0) ---

wait4(-1, NULL, WNOHANG, NULL) = 7701

wait4(-1, NULL, WNOHANG, NULL) = -1 ECHILD (No child processes)

rt_sigreturn(0xffffffffffffffff) = -1 EINTR (Interrupted system call)

accept(3,

 

Andreas